diff --git a/add_camera_rigs/__init__.py b/add_camera_rigs/__init__.py
index 7f4accee82f55c5bfcfcb504d17af83ac756aed0..878d455528bf2bd9427fd976299d53ba28df67fb 100644
--- a/add_camera_rigs/__init__.py
+++ b/add_camera_rigs/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Add Camera Rigs",
diff --git a/add_camera_rigs/build_rigs.py b/add_camera_rigs/build_rigs.py
index 9acce660fb876d4cf6e1fd08a1d8f3a25b9558b1..94848361516b8dd4118b1acd4d6b005a95cdc295 100644
--- a/add_camera_rigs/build_rigs.py
+++ b/add_camera_rigs/build_rigs.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Operator
diff --git a/add_camera_rigs/composition_guides_menu.py b/add_camera_rigs/composition_guides_menu.py
index 165375257ba7fc6db4d01af45981bfd28f76d4c4..c689929b9c4291b2470746a7ffe47f734063c5c9 100644
--- a/add_camera_rigs/composition_guides_menu.py
+++ b/add_camera_rigs/composition_guides_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Panel
diff --git a/add_camera_rigs/create_widgets.py b/add_camera_rigs/create_widgets.py
index 4aeea272db672ac553c58c91911795fa76a3829b..1f14dfab3de43cd801afb91d5b78abe2d73d29b8 100644
--- a/add_camera_rigs/create_widgets.py
+++ b/add_camera_rigs/create_widgets.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from mathutils import Vector
diff --git a/add_camera_rigs/operators.py b/add_camera_rigs/operators.py
index 058ed14667e4c20d8e32191aa5081da1ed002cfc..646566ae52928ea84528efcbedec02fe1da2c1f5 100644
--- a/add_camera_rigs/operators.py
+++ b/add_camera_rigs/operators.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Operator
diff --git a/add_camera_rigs/prefs.py b/add_camera_rigs/prefs.py
index 465c42a669389ea0e309f704448c8c326ba8f92b..aaa4ea255590c64f46eaff07750e93f2e4725882 100644
--- a/add_camera_rigs/prefs.py
+++ b/add_camera_rigs/prefs.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
from bpy.types import AddonPreferences
from bpy.props import StringProperty
diff --git a/add_camera_rigs/ui_panels.py b/add_camera_rigs/ui_panels.py
index 0dc3c69e54fe024c802ad226eb5bb6872a20d25f..c6066147ad69457db0abc062ba3a0ad251a54fc2 100644
--- a/add_camera_rigs/ui_panels.py
+++ b/add_camera_rigs/ui_panels.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Panel
diff --git a/add_curve_extra_objects/__init__.py b/add_curve_extra_objects/__init__.py
index 22910bf9e9a5e4a9e89773c2883e5f8be1f97372..9f04e1dd2038a4f5421eb35877265304f433d9cd 100644
--- a/add_curve_extra_objects/__init__.py
+++ b/add_curve_extra_objects/__init__.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
# Contributed to by:
# testscreenings, Alejandro Omar Chocano Vasquez, Jimmy Hazevoet, meta-androcto
# Cmomoney, Jared Forsyth, Adam Newgas, Spivak Vladimir, Jared Forsyth, Atom
diff --git a/add_curve_extra_objects/add_curve_aceous_galore.py b/add_curve_extra_objects/add_curve_aceous_galore.py
index 42239d7a0bb470fff52a225c170989751a7a5274..f53b4d9793f852ad3aaa8eb3f7dd70b7264d7d2c 100644
--- a/add_curve_extra_objects/add_curve_aceous_galore.py
+++ b/add_curve_extra_objects/add_curve_aceous_galore.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
bl_info = {
diff --git a/add_curve_extra_objects/add_curve_simple.py b/add_curve_extra_objects/add_curve_simple.py
index c69f1e9086ec9f02c1593139894073a7f2ef92c6..7b6ed6edadd778217a6a122aadaa1de6af017b82 100644
--- a/add_curve_extra_objects/add_curve_simple.py
+++ b/add_curve_extra_objects/add_curve_simple.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and / or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110 - 1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Simple Curve",
diff --git a/add_curve_extra_objects/add_curve_spirofit_bouncespline.py b/add_curve_extra_objects/add_curve_spirofit_bouncespline.py
index f2151ee48c87f41a09e1fb2ea0fcfcc45f7d9ff4..044d176122ab4383d6afe5181312dbf31a1161e8 100644
--- a/add_curve_extra_objects/add_curve_spirofit_bouncespline.py
+++ b/add_curve_extra_objects/add_curve_spirofit_bouncespline.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
diff --git a/add_curve_extra_objects/add_curve_torus_knots.py b/add_curve_extra_objects/add_curve_torus_knots.py
index 8dac754d9fc257dc0e518ae5028f79e7ebfa259f..891754c5f5859cad1f2cb2f7fde039beae18b415 100644
--- a/add_curve_extra_objects/add_curve_torus_knots.py
+++ b/add_curve_extra_objects/add_curve_torus_knots.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
bl_info = {
diff --git a/add_curve_extra_objects/add_surface_plane_cone.py b/add_curve_extra_objects/add_surface_plane_cone.py
index 47771051babc2f886270f5d8ed2e740b823ecabb..4f86a0c370c85274418cddd7b654cdc57f677fb8 100644
--- a/add_curve_extra_objects/add_surface_plane_cone.py
+++ b/add_curve_extra_objects/add_surface_plane_cone.py
@@ -1,4 +1,4 @@
-# gpl: author Folkert de Vries
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Surface: Plane / Cone/ Star / Wedge",
diff --git a/add_curve_extra_objects/beveltaper_curve.py b/add_curve_extra_objects/beveltaper_curve.py
index 5b71cf00ee02dbcf3162eea227b4b76cb6b5d98d..80c01b3a888a52e7104e7f1f0fc936bd56c06617 100644
--- a/add_curve_extra_objects/beveltaper_curve.py
+++ b/add_curve_extra_objects/beveltaper_curve.py
@@ -1,19 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# DevBo Task: https://developer.blender.org/T37377
diff --git a/add_curve_ivygen.py b/add_curve_ivygen.py
index d67225ebad33ea78ec0c06b8c42e7824edf2b5de..9bd08a159e70cd7f65f8ff43e1440225a63031f4 100644
--- a/add_curve_ivygen.py
+++ b/add_curve_ivygen.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/add_curve_sapling/__init__.py b/add_curve_sapling/__init__.py
index 6756797b5c9d473a5c698c7fda973c55627449a4..585bd50ea60671de4caeb0ac126d5667151f1c52 100644
--- a/add_curve_sapling/__init__.py
+++ b/add_curve_sapling/__init__.py
@@ -1,21 +1,4 @@
-# -*- coding: utf-8 -*-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Sapling Tree Gen",
diff --git a/add_curve_sapling/utils.py b/add_curve_sapling/utils.py
index a4beb313b432afac235c047547aa5f9955b5672c..cbec485c725de1fac1caac4275b0537f0ff7484f 100644
--- a/add_curve_sapling/utils.py
+++ b/add_curve_sapling/utils.py
@@ -1,22 +1,4 @@
-# -*- coding: utf-8 -*-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/add_mesh_BoltFactory/Boltfactory.py b/add_mesh_BoltFactory/Boltfactory.py
index 58a7ae011ccad53bc6eaf2e89fad99ca39b397d3..eb673ee4056ef826399a9606d84786a890182ff7 100644
--- a/add_mesh_BoltFactory/Boltfactory.py
+++ b/add_mesh_BoltFactory/Boltfactory.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/add_mesh_BoltFactory/__init__.py b/add_mesh_BoltFactory/__init__.py
index 34833a4960221a80209a4a9bace47fc64ab0ec86..f84a08b5dd44e1361d3bfb16ffa15a0503e91cb0 100644
--- a/add_mesh_BoltFactory/__init__.py
+++ b/add_mesh_BoltFactory/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "BoltFactory",
diff --git a/add_mesh_BoltFactory/createMesh.py b/add_mesh_BoltFactory/createMesh.py
index 5a0e8e5976b459697b88393280a379b619db229e..1da617ea8e03d82f60a6b9a23c145600f5651ba6 100644
--- a/add_mesh_BoltFactory/createMesh.py
+++ b/add_mesh_BoltFactory/createMesh.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from mathutils import (
diff --git a/add_mesh_discombobulator/__init__.py b/add_mesh_discombobulator/__init__.py
index c1039608f74810a87b10b480fa767ebeb3de6333..9506f924ca4cff4550b365d8db872f3548ed6ea3 100644
--- a/add_mesh_discombobulator/__init__.py
+++ b/add_mesh_discombobulator/__init__.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Contributed to by: Chichiri, Jace Priester #
# codemanx, blender dev team, Lijenstina, Spivak Vladimir (cwolf3d) #
# Originally by Evan J. Rosky (syrux)
diff --git a/add_mesh_extra_objects/Wallfactory.py b/add_mesh_extra_objects/Wallfactory.py
index 9ed8cb84ddefc224c0ebf74c652988ad1078d37e..cbdb4c139c803d4e2f099dfc6d24ce8479dccdf6 100644
--- a/add_mesh_extra_objects/Wallfactory.py
+++ b/add_mesh_extra_objects/Wallfactory.py
@@ -1,25 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you may redistribute it, and/or
-# modify it, under the terms of the GNU General Public License
-# as published by the Free Software Foundation - either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, write to:
-#
-# the Free Software Foundation Inc.
-# 51 Franklin Street, Fifth Floor
-# Boston, MA 02110-1301, USA
-#
-# or go online at: http://www.gnu.org/licenses/ to view license options.
-#
-# ##### END GPL LICENCE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# authors: dudecon, jambay
diff --git a/add_mesh_extra_objects/__init__.py b/add_mesh_extra_objects/__init__.py
index 8a697ae5f5f839ee20c3be37ed5d397efb3601ae..7777ff4527a13c84f9cecb7a19c6ab5bcb07bfc6 100644
--- a/add_mesh_extra_objects/__init__.py
+++ b/add_mesh_extra_objects/__init__.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Contributed to by:
# Pontiac, Fourmadmen, varkenvarken, tuga3d, meta-androcto, metalliandy #
# dreampainter, cotejrp1, liero, Kayo Phoenix, sugiany, dommetysk, Jambay #
diff --git a/add_mesh_extra_objects/add_mesh_rocks/__init__.py b/add_mesh_extra_objects/add_mesh_rocks/__init__.py
index 40c525847af53b0e35ada3b3bde904827f405d6a..39bf734907461a0a913581a1f3aae9884142aac8 100644
--- a/add_mesh_extra_objects/add_mesh_rocks/__init__.py
+++ b/add_mesh_extra_objects/add_mesh_rocks/__init__.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Paul "BrikBot" Marshall
# Created: July 1, 2011
# Last Modified: September 26, 2013
@@ -8,27 +10,6 @@
#
# Coded in IDLE, tested in Blender 2.68a. NumPy Recommended.
# Search for "@todo" to quickly find sections that need work.
-#
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# The Blender Rock Creation tool is for rapid generation of
-# mesh rocks in Blender.
-# Copyright (C) 2011 Paul Marshall
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
diff --git a/add_mesh_extra_objects/add_mesh_rocks/rockgen.py b/add_mesh_extra_objects/add_mesh_rocks/rockgen.py
index 8e2df338c8041adefc3e32acec66e7ee1c1783e5..a0088bbb78feb9e79163437aa454c7a09493add0 100644
--- a/add_mesh_extra_objects/add_mesh_rocks/rockgen.py
+++ b/add_mesh_extra_objects/add_mesh_rocks/rockgen.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Blender rock creation tool
#
# Based on BlenderGuru's asteroid tutorial and personal experimentation.
@@ -87,26 +89,6 @@
# Remember -
# Functional code comes before fast code. Once it works, then worry about
# making it faster/more efficient.
-#
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# The Blender Rock Creation tool is for rapid generation of mesh rocks.
-# Copyright (C) 2011 Paul Marshall
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
diff --git a/add_mesh_extra_objects/add_mesh_rocks/settings.py b/add_mesh_extra_objects/add_mesh_rocks/settings.py
index ae41779e9d8aa47afec8a069bc91616d5a21bff5..3dd485f94e5048c7da2326b7c3cc4f22265f9a59 100644
--- a/add_mesh_extra_objects/add_mesh_rocks/settings.py
+++ b/add_mesh_extra_objects/add_mesh_rocks/settings.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Paul "BrikBot" Marshall
# Created: July 1, 2011
# Last Modified: November 17, 2011
@@ -8,27 +10,6 @@
#
# Coded in IDLE, tested in Blender 2.59. NumPy Recommended.
# Search for "@todo" to quickly find sections that need work.
-#
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# The Blender Rock Creation tool is for rapid generation of
-# mesh rocks in Blender.
-# Copyright (C) 2011 Paul Marshall
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
diff --git a/add_mesh_extra_objects/add_mesh_rocks/utils.py b/add_mesh_extra_objects/add_mesh_rocks/utils.py
index 1da48655ac84655003435d86a3a805792a0fcacb..5b4e26ca12f41d277ba71da5280817528ebd868f 100644
--- a/add_mesh_extra_objects/add_mesh_rocks/utils.py
+++ b/add_mesh_extra_objects/add_mesh_rocks/utils.py
@@ -1,26 +1,7 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# The Blender Rock Creation tool is for rapid generation of mesh rocks.
-# Copyright (C) 2011 Paul Marshall
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
-
# Converts a formatted string to a float tuple:
# IN - '(0.5, 0.2)' -> CONVERT -> OUT - (0.5, 0.2)
def toTuple(stringIn):
diff --git a/add_mesh_geodesic_domes/__init__.py b/add_mesh_geodesic_domes/__init__.py
index e88f318483ab2ee78ba08fb77fadafb5a3518994..632ee843a3cc551433b1fa25a9ea6ccfb02395f5 100644
--- a/add_mesh_geodesic_domes/__init__.py
+++ b/add_mesh_geodesic_domes/__init__.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Contributed to by PKHG, Meta Androcto, Noctumsolis, Lijenstina,
# Spivak Vladimir (cwolf3d)
# Origunally an addon by Andy Houston
diff --git a/amaranth/__init__.py b/amaranth/__init__.py
index 83aaac68e1224617b607ddc42a512388e9fa4e9b..6622c1e4593b67a80b4337e62213afcbe5357329 100644
--- a/amaranth/__init__.py
+++ b/amaranth/__init__.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Amaranth
diff --git a/amaranth/animation/frame_current.py b/amaranth/animation/frame_current.py
index 6bea2009fae96280500435b53a2ac3b75eac0997..8f0e5cb7bb8ebd51970e8ce7ee3b6b4be650eec4 100644
--- a/amaranth/animation/frame_current.py
+++ b/amaranth/animation/frame_current.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Current Frame Slider
diff --git a/amaranth/animation/jump_frames.py b/amaranth/animation/jump_frames.py
index fb12cb353f992b19630e6f7750821b1c68cee4ca..db65709bc75811637f997e329ccf730b9bd8530e 100644
--- a/amaranth/animation/jump_frames.py
+++ b/amaranth/animation/jump_frames.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Jump X Frames on Shift Up/Down
diff --git a/amaranth/animation/motion_paths.py b/amaranth/animation/motion_paths.py
index 7988b45294a359c2d5ac328412643bc5ab2e32f2..a61c7e4ee123ddc2ada0a94339b27a5c290a3610 100644
--- a/amaranth/animation/motion_paths.py
+++ b/amaranth/animation/motion_paths.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Bone Motion Paths:
diff --git a/amaranth/animation/timeline_extra_info.py b/amaranth/animation/timeline_extra_info.py
index 0e875b4370bf4a022bc6d4b03035b26c19fd6e58..4131878c30fb7f1bd77b7f366e3e68dc42282e45 100644
--- a/amaranth/animation/timeline_extra_info.py
+++ b/amaranth/animation/timeline_extra_info.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Timeline Extra Info
diff --git a/amaranth/misc/color_management.py b/amaranth/misc/color_management.py
index 72ad4bb2f5c4109938107bf6973ab651430ef9df..743c562504b702a29f6bb9528d4a07ed1e77e497 100644
--- a/amaranth/misc/color_management.py
+++ b/amaranth/misc/color_management.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Color Management Presets
diff --git a/amaranth/misc/dupli_group_id.py b/amaranth/misc/dupli_group_id.py
index 05fa712961a9a002ec5d8f9e46046ef3f3d1d067..c4fa28fe9c03b12b6e60bb3c191c8340ab40fa99 100644
--- a/amaranth/misc/dupli_group_id.py
+++ b/amaranth/misc/dupli_group_id.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Object ID for Dupli Groups
Say you have a linked character or asset, you can now set an Object ID for the
diff --git a/amaranth/misc/sequencer_extra_info.py b/amaranth/misc/sequencer_extra_info.py
index 2d5d6b793fc62475d77675c588a7be7b0631a018..93b027336d805ba4f07ad009f8707b8a23eb8e7a 100644
--- a/amaranth/misc/sequencer_extra_info.py
+++ b/amaranth/misc/sequencer_extra_info.py
@@ -1,29 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Sequencer: Display Image File Name
diff --git a/amaranth/misc/toggle_wire.py b/amaranth/misc/toggle_wire.py
index 3d43660d8ddd8b5346a0f647b0d24db13878fe45..57ccc2532e5d7c0766e7ade268601f17120c1902 100644
--- a/amaranth/misc/toggle_wire.py
+++ b/amaranth/misc/toggle_wire.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/amaranth/modeling/symmetry_tools.py b/amaranth/modeling/symmetry_tools.py
index d23b4fb9b6f93fc26dbfddbaead61c4b148b2ed4..a3e4735565a7ee0c7e39940a2198c19e18344b67 100644
--- a/amaranth/modeling/symmetry_tools.py
+++ b/amaranth/modeling/symmetry_tools.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Symmetry Tools: Find Asymmetric + Make Symmetric (by Sergey Sharybin)
diff --git a/amaranth/node_editor/display_image.py b/amaranth/node_editor/display_image.py
index 0dcefca874ca187a9c1fd60c8f840825f1fc3102..380166a9e0ce8a1a6a6c38c5e299a6a3317e117e 100644
--- a/amaranth/node_editor/display_image.py
+++ b/amaranth/node_editor/display_image.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Display Active Image Node on Image Editor
diff --git a/amaranth/node_editor/id_panel.py b/amaranth/node_editor/id_panel.py
index 09f031dae6a1e2888d4257a26d7669a6ee283fab..e3c77985e473db4e569a1669671d145cb47034cb 100644
--- a/amaranth/node_editor/id_panel.py
+++ b/amaranth/node_editor/id_panel.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Object / Material Indices Panel
diff --git a/amaranth/node_editor/node_shader_extra.py b/amaranth/node_editor/node_shader_extra.py
index 7fbaf22573aa2f5517482225c841d3ed18a001d5..5719112e095a588382f28ba99723ad528680b73a 100644
--- a/amaranth/node_editor/node_shader_extra.py
+++ b/amaranth/node_editor/node_shader_extra.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/amaranth/node_editor/node_stats.py b/amaranth/node_editor/node_stats.py
index 796e10dcc2a045fe8a7c7fdade2ac214d7d4e926..001f7461659642eadcd9914a4b98d4bd35c23179 100644
--- a/amaranth/node_editor/node_stats.py
+++ b/amaranth/node_editor/node_stats.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Nodes Stats
diff --git a/amaranth/node_editor/normal_node.py b/amaranth/node_editor/normal_node.py
index fe77856ad854554e1976c067d3be1a64fc409949..6549ec4e9baf941e96a60d909c063829f244fff0 100644
--- a/amaranth/node_editor/normal_node.py
+++ b/amaranth/node_editor/normal_node.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Nodes: XYZ Sliders for Normal Node
diff --git a/amaranth/node_editor/simplify_nodes.py b/amaranth/node_editor/simplify_nodes.py
index 71aec24c46160ffa860abce647056983bf5f8209..5cdc6a78e940f25267aa3695f6285701b06b5fea 100644
--- a/amaranth/node_editor/simplify_nodes.py
+++ b/amaranth/node_editor/simplify_nodes.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Nodes Simplify Panel [WIP Feature]
diff --git a/amaranth/node_editor/switch_material.py b/amaranth/node_editor/switch_material.py
index d559965b519125376060dcc39127b414889d2450..68e1be9bf13170071353f266cc663936168c3e27 100644
--- a/amaranth/node_editor/switch_material.py
+++ b/amaranth/node_editor/switch_material.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Material Selector
diff --git a/amaranth/node_editor/templates/__init__.py b/amaranth/node_editor/templates/__init__.py
index 90edac483ffa7ffc927a94a2bb8c388c44159044..33af8ddede3e47c9c43708ba64591295c6541dce 100644
--- a/amaranth/node_editor/templates/__init__.py
+++ b/amaranth/node_editor/templates/__init__.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Node Templates - Vignette, Vector Blur
diff --git a/amaranth/node_editor/templates/vectorblur.py b/amaranth/node_editor/templates/vectorblur.py
index 2bc01e48e5975d19bf851ef72b55e96b2d04787c..03ca93fc24d600b2ea39bdd168c0cd6acfd3a625 100644
--- a/amaranth/node_editor/templates/vectorblur.py
+++ b/amaranth/node_editor/templates/vectorblur.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from mathutils import Vector
diff --git a/amaranth/node_editor/templates/vignette.py b/amaranth/node_editor/templates/vignette.py
index 5e8ce0a44941f873f1126bf99757045f60bab3e9..8bf45622aff6110f1b8e9dd79e4a924335ecac55 100644
--- a/amaranth/node_editor/templates/vignette.py
+++ b/amaranth/node_editor/templates/vignette.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from mathutils import Vector
diff --git a/amaranth/prefs.py b/amaranth/prefs.py
index 3c27c12d40fcc253161e05fc5bcd595709af82b9..f5938fcf18706464b2310fcca90e3c1e86d48efa 100644
--- a/amaranth/prefs.py
+++ b/amaranth/prefs.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.props import (
diff --git a/amaranth/render/border_camera.py b/amaranth/render/border_camera.py
index 3d28608012159c9092fbcea513c320c1a8090425..03d93e7b2656104a88a4c57db3ea731a274a88b6 100644
--- a/amaranth/render/border_camera.py
+++ b/amaranth/render/border_camera.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Set Camera Bounds as Render Border
diff --git a/amaranth/render/final_resolution.py b/amaranth/render/final_resolution.py
index 953b793f2000de4b81657abe3646ccb9ce5669bd..b1580177924d6abccf057382d0d3da03f331397c 100644
--- a/amaranth/render/final_resolution.py
+++ b/amaranth/render/final_resolution.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
UI: Final Resolution
diff --git a/amaranth/render/meshlight_select.py b/amaranth/render/meshlight_select.py
index cad3a95af087781a3104c03c6fc5f3108684511f..b2dea04e3e7921a897287a23d304a64e971eb0f2 100644
--- a/amaranth/render/meshlight_select.py
+++ b/amaranth/render/meshlight_select.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Select Meshlights
diff --git a/amaranth/render/passepartout.py b/amaranth/render/passepartout.py
index 7d65299c9ec9b0e42ec1647be34a5b734aabf59f..1f44aab6a8217fe0c0c418550807b081196e6f70 100644
--- a/amaranth/render/passepartout.py
+++ b/amaranth/render/passepartout.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Passepartout on Specials menu
diff --git a/amaranth/render/render_output_z.py b/amaranth/render/render_output_z.py
index 2c1107edd41b1694ae625d2f1018b370ea4d4b47..4e1b36134fbd51bdd5679817454b02a69fa490aa 100644
--- a/amaranth/render/render_output_z.py
+++ b/amaranth/render/render_output_z.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
EXR Render: Warn when Z not connected
Display a little warning label when exporting EXR, with Z Buffer enabled, but
diff --git a/amaranth/render/samples_scene.py b/amaranth/render/samples_scene.py
index 0409a771c9f83fce158beb42b1c0c56b48ae681e..d14288d3cb9862ca0e829bd9b46ed4ff9cfc5294 100644
--- a/amaranth/render/samples_scene.py
+++ b/amaranth/render/samples_scene.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Cycles: Samples per Scene
diff --git a/amaranth/scene/current_blend.py b/amaranth/scene/current_blend.py
index e3f4ca9106dffefef1378d29bb7befc60e65a3f0..7ab855c40d9632d99689ce7672f5336108043465 100644
--- a/amaranth/scene/current_blend.py
+++ b/amaranth/scene/current_blend.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
File Browser > Go to Current Blend's Folder
diff --git a/amaranth/scene/debug.py b/amaranth/scene/debug.py
index 7154a11959fbec54991c19aca9fdc00aa0106927..38692743cf590714224b358aebd48b4b473aeb07 100755
--- a/amaranth/scene/debug.py
+++ b/amaranth/scene/debug.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Scene Debug Panel
diff --git a/amaranth/scene/goto_library.py b/amaranth/scene/goto_library.py
index 08f1689c32cc6f682a7216a6b83d0107e2ae8a61..b1ea9e5b353f595d24c568c4e6711935553d5198 100644
--- a/amaranth/scene/goto_library.py
+++ b/amaranth/scene/goto_library.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
File Browser: Libraries Bookmark
diff --git a/amaranth/scene/material_remove_unassigned.py b/amaranth/scene/material_remove_unassigned.py
index f19bc3d27e7ff1ac4282463b89685b3282c11607..af2154d1478ed8b259e6b9403f13db7a5a028465 100644
--- a/amaranth/scene/material_remove_unassigned.py
+++ b/amaranth/scene/material_remove_unassigned.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/amaranth/scene/refresh.py b/amaranth/scene/refresh.py
index 3ef5e6b789f1aab16ffd395241acb442b9b84847..e03fc9cf4327d27c147377ea63e90ad764913f37 100644
--- a/amaranth/scene/refresh.py
+++ b/amaranth/scene/refresh.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Refresh Scene
diff --git a/amaranth/scene/save_reload.py b/amaranth/scene/save_reload.py
index 7b961b647a7fc6d0144ea78dd6abef21665b12f7..f3bedb5e17162796ff63d6772606686a990cf722 100644
--- a/amaranth/scene/save_reload.py
+++ b/amaranth/scene/save_reload.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Save & Reload File
diff --git a/amaranth/scene/stats.py b/amaranth/scene/stats.py
index 10d8be4441f7c277f26c75f0399164a7bbda58cb..71d107415459c54987657af1450227542bbbf3a3 100644
--- a/amaranth/scene/stats.py
+++ b/amaranth/scene/stats.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Scene, Cameras, and Meshlights Count
diff --git a/amaranth/utils.py b/amaranth/utils.py
index f63678751a62d73faa8c320c77b187b8c4aba63d..b7301d43845bfb134f66c5afd78e078181951916 100644
--- a/amaranth/utils.py
+++ b/amaranth/utils.py
@@ -1,16 +1,4 @@
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/animation_add_corrective_shape_key.py b/animation_add_corrective_shape_key.py
index 01e13cdeed8569cbfa176d3d688eecf4decb72e9..d61559ef9c9114ec5b0eaed36769d06406ab6dc6 100644
--- a/animation_add_corrective_shape_key.py
+++ b/animation_add_corrective_shape_key.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/animation_animall.py b/animation_animall.py
index 811cb2c910795cdb6be1000327c863ebfd017c3d..309141a95101fb30d31f19aa8ab3d0b5a7ed21b2 100644
--- a/animation_animall.py
+++ b/animation_animall.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "AnimAll",
diff --git a/ant_landscape/__init__.py b/ant_landscape/__init__.py
index fa0b7b5a4738f776cc26fcf926a9f42d14dcebbd..295793b9b89faaf92b85f37d0898d10f4a3992df 100644
--- a/ant_landscape/__init__.py
+++ b/ant_landscape/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Another Noise Tool - Suite (W.I.P.)
# Jimmy Hazevoet 5/2017
diff --git a/ant_landscape/add_mesh_ant_landscape.py b/ant_landscape/add_mesh_ant_landscape.py
index 0e6610cf3af55af0667fc264773b31ccc214b963..a148f448155023248f02029aef53516bcd473070 100644
--- a/ant_landscape/add_mesh_ant_landscape.py
+++ b/ant_landscape/add_mesh_ant_landscape.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Another Noise Tool - Add Landscape
# Jimmy Hazevoet
diff --git a/ant_landscape/ant_functions.py b/ant_landscape/ant_functions.py
index 47de9ef279c96c91f752fb95225c15519ffc8681..f63747aa6cb1210932637c796c7d620433842bf9 100644
--- a/ant_landscape/ant_functions.py
+++ b/ant_landscape/ant_functions.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Another Noise Tool - Functions
# Jimmy Hazevoet
diff --git a/ant_landscape/ant_noise.py b/ant_landscape/ant_noise.py
index 7d6b12e8b11c15dd3d13e710413409d9b610cf06..7eec29b66fe761fa3e9e02929c930e0772d8da6f 100644
--- a/ant_landscape/ant_noise.py
+++ b/ant_landscape/ant_noise.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Another Noise Tool - Noise and Effects
# Jimmy Hazevoet
diff --git a/ant_landscape/eroder.py b/ant_landscape/eroder.py
index 56f2bfca6dd658aecebddae5025785dfd84ceed2..eee91bf753f1ab5a73e2b5083dc13ef8222cfa53 100644
--- a/ant_landscape/eroder.py
+++ b/ant_landscape/eroder.py
@@ -1,24 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# erode.py -- a script to simulate erosion of height fields
-# (c) 2014 Michel J. Anders (varkenvarken)
-# with some modifications by Ian Huish (nerk)
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
from time import time
diff --git a/ant_landscape/mesh_ant_displace.py b/ant_landscape/mesh_ant_displace.py
index 917cc34b6d10bd682c8c6d1f1b1cc8cf5d1afd10..5638d96a7d4feee8203fd67c63da27f9644f4565 100644
--- a/ant_landscape/mesh_ant_displace.py
+++ b/ant_landscape/mesh_ant_displace.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Another Noise Tool - Mesh Displace
# Jimmy Hazevoet
diff --git a/archimesh/__init__.py b/archimesh/__init__.py
index 996925916b722f18da74107dacb4af5de4584974..829c2ed523bdeab5de69e662594243d4dc9eedc2 100644
--- a/archimesh/__init__.py
+++ b/archimesh/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_books_maker.py b/archimesh/achm_books_maker.py
index da66bff863029419ec2a3ae2ecd91b1fdc134219..500e8f2d3bd200bb170468440e65bd184dedc829 100644
--- a/archimesh/achm_books_maker.py
+++ b/archimesh/achm_books_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_column_maker.py b/archimesh/achm_column_maker.py
index ac7ca2e68adb26f397ce6fd50e617c0c14d02fd5..436f6babaa0136fd396ce76e849a89687593c8e3 100644
--- a/archimesh/achm_column_maker.py
+++ b/archimesh/achm_column_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_curtain_maker.py b/archimesh/achm_curtain_maker.py
index 5c1e41e2acb8190508e0dc1b87b21340aed86f14..8484dd862b89ad644c842a2a23f4313ae511b850 100644
--- a/archimesh/achm_curtain_maker.py
+++ b/archimesh/achm_curtain_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_door_maker.py b/archimesh/achm_door_maker.py
index 7f534be5bfb3846aeaf90b7e7e551c1de8b141ce..6499fa37bf9378fca4a8ccbbf76bad3e90008f7e 100644
--- a/archimesh/achm_door_maker.py
+++ b/archimesh/achm_door_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_gltools.py b/archimesh/achm_gltools.py
index 981082d07568624d286a512da73b098274ed0a9d..0ee8f94100aa786befdd0d0ce8892c8f6dc334f0 100644
--- a/archimesh/achm_gltools.py
+++ b/archimesh/achm_gltools.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_kitchen_maker.py b/archimesh/achm_kitchen_maker.py
index cc1e6ef8892a4a58ba215eeb1d5141535e586ee7..b252d3eb5909f00f3a6becfda7e26e6a768143c1 100644
--- a/archimesh/achm_kitchen_maker.py
+++ b/archimesh/achm_kitchen_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_lamp_maker.py b/archimesh/achm_lamp_maker.py
index a5c6621b81a5b6c1924ebb57d387fd4ebb067dda..1176896acfe71aed413a7dbf4a59fef1d57ea13b 100644
--- a/archimesh/achm_lamp_maker.py
+++ b/archimesh/achm_lamp_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_main_panel.py b/archimesh/achm_main_panel.py
index 4fca1caf3759424ddb0bbd35d6f8b00eda564fea..b668dbbaba1597a8fc4ea6c8526e834d63381de6 100644
--- a/archimesh/achm_main_panel.py
+++ b/archimesh/achm_main_panel.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_roof_maker.py b/archimesh/achm_roof_maker.py
index c125eb84cbb0b130c72c0bc88dab1c64c51a5de0..194649be1c525a662f3e37728581664b3c77e1b9 100644
--- a/archimesh/achm_roof_maker.py
+++ b/archimesh/achm_roof_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_room_maker.py b/archimesh/achm_room_maker.py
index 7a59eee52e2788ab40f3ea2b3e1cbddedb0ce33e..c235a9767d6a8bbd68b9a81b5f9f70383ab97f9f 100644
--- a/archimesh/achm_room_maker.py
+++ b/archimesh/achm_room_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_shelves_maker.py b/archimesh/achm_shelves_maker.py
index 59a2bfc78aa4f6e0fa0dad50fa0a45b77dde550a..259ebbbce5fc94df2fb55480ca6c0fe4812e8132 100644
--- a/archimesh/achm_shelves_maker.py
+++ b/archimesh/achm_shelves_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_stairs_maker.py b/archimesh/achm_stairs_maker.py
index af727101f8f6f6e9c5c10716015de7f3fb279a5a..09dbe2565dad548367d63b7373cc50291d63b9c6 100644
--- a/archimesh/achm_stairs_maker.py
+++ b/archimesh/achm_stairs_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_tools.py b/archimesh/achm_tools.py
index 0527d33019f823801e2597e7fa42e399f4f697c3..1eff2cda781e2b238bc862de00e0a56e1fcfa451 100644
--- a/archimesh/achm_tools.py
+++ b/archimesh/achm_tools.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_venetian_maker.py b/archimesh/achm_venetian_maker.py
index da90ab55a23a3e9cec476e6d1e2377380de3549f..eb80026af8fb6c9446ae7e9861eb76b19b169bda 100644
--- a/archimesh/achm_venetian_maker.py
+++ b/archimesh/achm_venetian_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_window_maker.py b/archimesh/achm_window_maker.py
index e9b6131d04c2ffa60f80137d3050b3eb75fceb21..8ef2f6a46a6b3587a95d4572231d31cda0ed9c21 100644
--- a/archimesh/achm_window_maker.py
+++ b/archimesh/achm_window_maker.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/archimesh/achm_window_panel.py b/archimesh/achm_window_panel.py
index 6899c2e968a85e8b0bd0fca2cc36944a803110a6..ed0169f4f78b04821e7eb5d0006f8f66189a875a 100644
--- a/archimesh/achm_window_panel.py
+++ b/archimesh/achm_window_panel.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/blender_id/__init__.py b/blender_id/__init__.py
index 93b09124d1d7ada9f42af9a3a2e1ec081d4fde45..149bd74edfaa26ed340c9760d8057ebc9b0e9cc8 100644
--- a/blender_id/__init__.py
+++ b/blender_id/__init__.py
@@ -1,22 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# Copyright (C) 2014-2018 Blender Foundation
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2014-2018 Blender Foundation.
# <pep8 compliant>
diff --git a/blender_id/communication.py b/blender_id/communication.py
index 6ebb3ea32f0e83dd185150ef3b0aa041302800b9..942b9f74c808b4111010c7495eea5d633305b123 100644
--- a/blender_id/communication.py
+++ b/blender_id/communication.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/blender_id/profiles.py b/blender_id/profiles.py
index 7a4b3495d064d4dfbc4a92f81317d9622f4b62d6..63b1d29b36a831dfafc482c9746b6bbd14ffb165 100644
--- a/blender_id/profiles.py
+++ b/blender_id/profiles.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/bone_selection_sets.py b/bone_selection_sets.py
index 391f183aa50abc80fe83555e420f7bb78cff90b2..40a083b8e74a07f89dad64d6f0bec71a2ab86538 100644
--- a/bone_selection_sets.py
+++ b/bone_selection_sets.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENCE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Bone Selection Sets",
diff --git a/btrace/__init__.py b/btrace/__init__.py
index aaf0fc15c00f3003ffe2df7da64ba21603713e3b..fd4bf57c92b176399ae15470a9b0a0df78797236 100644
--- a/btrace/__init__.py
+++ b/btrace/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
diff --git a/btrace/bTrace.py b/btrace/bTrace.py
index 2baae055e132e59f42a9df62acda61776a920e45..a17c3dd7d690c7dfc162459fd5e1203f97c05bd4 100644
--- a/btrace/bTrace.py
+++ b/btrace/bTrace.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# TO DO LIST #
# Add more options to curve radius/modulation plus cyclic/connect curve option
diff --git a/btrace/bTrace_props.py b/btrace/bTrace_props.py
index b7e824c815e6538a1d211f58fbfa1b618121d44e..e7e757a4bc6f6f69a639c4007102d3dbc47b0aa1 100644
--- a/btrace/bTrace_props.py
+++ b/btrace/bTrace_props.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import (
diff --git a/camera_turnaround.py b/camera_turnaround.py
index 8d0fa417106e0cfd56b8f49c442bed51229261e0..471dfed308b5d2a5c509bb615db33ef076773034 100644
--- a/camera_turnaround.py
+++ b/camera_turnaround.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Turnaround Camera",
diff --git a/copy_global_transform.py b/copy_global_transform.py
index 17b0337ec1048c7185fa1b1783733c2e0bc91a1f..31a9646ac3bd55f4022f3c415b28e44bcdf24576 100644
--- a/copy_global_transform.py
+++ b/copy_global_transform.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Copy Global Transform
diff --git a/curve_simplify.py b/curve_simplify.py
index 0109530a13e7cd6dafe8a24fb3587ac642d837c6..a902a8db946acd48c3bb5fdb3fac2703d61e8954 100644
--- a/curve_simplify.py
+++ b/curve_simplify.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Simplify Curves+",
diff --git a/curve_tools/__init__.py b/curve_tools/__init__.py
index d7ce3736f65b648682070a99f71079fd048e246e..641fac2f9166729ebf9e88910d07a817085c2333 100644
--- a/curve_tools/__init__.py
+++ b/curve_tools/__init__.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
# Contributed to by guy lateur, Alexander Meißner (Lichtso),
# Dealga McArdle (zeffii), Marvin.K.Breuer (MKB),
# Spivak Vladimir (cwolf3d)
diff --git a/curve_tools/cad.py b/curve_tools/cad.py
index ae96f869e697a9df449c38b75760746103084fb2..da68a0a52a58e1fc717e6f2d361792bb99b4c768 100644
--- a/curve_tools/cad.py
+++ b/curve_tools/cad.py
@@ -1,20 +1,4 @@
-# ***** GPL LICENSE BLOCK *****
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# All rights reserved.
-#
-# ***** GPL LICENSE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
'name': 'Curve CAD Tools',
diff --git a/curve_tools/exports.py b/curve_tools/exports.py
index 130fb2a74b4a4feea53df66f8cf3d042144ceba4..f8d6e74c0dc36bf1d2907bd57077a06da95e19b8 100644
--- a/curve_tools/exports.py
+++ b/curve_tools/exports.py
@@ -1,20 +1,4 @@
-# ***** GPL LICENSE BLOCK *****
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# All rights reserved.
-#
-# ***** GPL LICENSE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy, math
from mathutils import Vector, Matrix
diff --git a/curve_tools/fillet.py b/curve_tools/fillet.py
index 911d88c4db616ccc75344de3018a9d0eb0dd67fc..6b40f89c0d69e7ff68f969bab287b8196cd8771e 100644
--- a/curve_tools/fillet.py
+++ b/curve_tools/fillet.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and / or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
'name': 'Curve Fillet',
diff --git a/curve_tools/internal.py b/curve_tools/internal.py
index 0e51fa8facbc392d7929a2a1f12849f130c0a6a0..16c922cbc5ce69223e7540321cd6d919484b4c14 100644
--- a/curve_tools/internal.py
+++ b/curve_tools/internal.py
@@ -1,20 +1,4 @@
-# ***** GPL LICENSE BLOCK *****
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# All rights reserved.
-#
-# ***** GPL LICENSE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy, math, cmath
from mathutils import Vector, Matrix
diff --git a/curve_tools/outline.py b/curve_tools/outline.py
index 4122482cff1a1481bd8ccda8b7bc7809e5ac0fe3..8efd6f41512c7ddac4c4e71e8772bd7fe34fd877 100644
--- a/curve_tools/outline.py
+++ b/curve_tools/outline.py
@@ -1,24 +1,6 @@
-'''
-by Yann Bertrand, january 2014.
+# SPDX-License-Identifier: GPL-2.0-or-later
-BEGIN GPL LICENSE BLOCK
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software Foundation,
-Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-END GPL LICENCE BLOCK
-'''
+# by Yann Bertrand, january 2014.
bl_info = {
"name": "Curve Outline",
diff --git a/curve_tools/path_finder.py b/curve_tools/path_finder.py
index e0b3fa983788476451daf89c8b8fbdb9158442b1..abf53a6cddf6570ccb3b6e589541b894740d01c5 100644
--- a/curve_tools/path_finder.py
+++ b/curve_tools/path_finder.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and / or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
'name': 'PathFinder',
diff --git a/curve_tools/show_resolution.py b/curve_tools/show_resolution.py
index fc8fdad22d846742931cf48feeb85bf1747f3bec..cd63f59f01d530ae900ced82549d6b9bff933930 100644
--- a/curve_tools/show_resolution.py
+++ b/curve_tools/show_resolution.py
@@ -1,21 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and / or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110 - 1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
# LOAD MODUL #
diff --git a/curve_tools/splines_sequence.py b/curve_tools/splines_sequence.py
index d861a1ee894d843bc478820da32252edda97ebc7..987660582a4d3a7747cfadc22b82c9f06b6a59fd 100644
--- a/curve_tools/splines_sequence.py
+++ b/curve_tools/splines_sequence.py
@@ -1,21 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and / or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110 - 1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/curve_tools/toolpath.py b/curve_tools/toolpath.py
index 2c409f1aa67f9a1e0884f54dd1c3d7a8abd13203..94ab313b3b5a96a274563374e8265ed805966ec2 100644
--- a/curve_tools/toolpath.py
+++ b/curve_tools/toolpath.py
@@ -1,20 +1,4 @@
-# ***** GPL LICENSE BLOCK *****
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# All rights reserved.
-#
-# ***** GPL LICENSE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy, math, bmesh
from bpy_extras import view3d_utils
diff --git a/depsgraph_debug.py b/depsgraph_debug.py
index c0906005a89c39dc1e838bd4f326c171033c4e9d..4405eb8e3b67d08bc06db162744fcaf36edc7001 100644
--- a/depsgraph_debug.py
+++ b/depsgraph_debug.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import (
diff --git a/development_edit_operator.py b/development_edit_operator.py
index f9e0b9110b77408d060eab1a15e4aad8d41c6822..e51df36eb0ad77db7ff7f4f4427328fbadea3f51 100644
--- a/development_edit_operator.py
+++ b/development_edit_operator.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
diff --git a/development_icon_get.py b/development_icon_get.py
index e8901eca174e4e78ecfebeea618862a0c3f91db9..b4b0266875f324e11670720f03d5e667a3a94de9 100644
--- a/development_icon_get.py
+++ b/development_icon_get.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/development_iskeyfree.py b/development_iskeyfree.py
index c2c338f4c075058c00b6e48edcbb3ea082207301..a9201ab60923080c5ef14a56caa6e4118b62b635 100644
--- a/development_iskeyfree.py
+++ b/development_iskeyfree.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# PEP8 compliant (https://www.python.org/dev/peps/pep-0008)
diff --git a/greasepencil_tools/__init__.py b/greasepencil_tools/__init__.py
index 54c7262bc9be03e714c932f1d6b877b6b9e692bf..dd8d876cef342914a9b0795ee79ecf3adc26bf3d 100644
--- a/greasepencil_tools/__init__.py
+++ b/greasepencil_tools/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
diff --git a/greasepencil_tools/box_deform.py b/greasepencil_tools/box_deform.py
index 4c2de720bc83df81796156c9d0ce9b540ade7ced..ef12fc0b4ac0c41124106a552ac2bb1c5fc42984 100644
--- a/greasepencil_tools/box_deform.py
+++ b/greasepencil_tools/box_deform.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
'''Based on Box_deform standalone addon - Author: Samuel Bernou'''
diff --git a/greasepencil_tools/line_reshape.py b/greasepencil_tools/line_reshape.py
index 1425bac553598f0b02a7ffc1954bb257c430113d..dc14cfd4ea361a2e95dba1805a0a0e92b7f09efc 100644
--- a/greasepencil_tools/line_reshape.py
+++ b/greasepencil_tools/line_reshape.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
'''Based on GP_refine_stroke 0.2.4 - Author: Samuel Bernou'''
diff --git a/greasepencil_tools/prefs.py b/greasepencil_tools/prefs.py
index f1b335ba1209c60e3606808b2ac355021973260b..3ac3220db5c24c36533ad0d18175db0e6a897fa4 100644
--- a/greasepencil_tools/prefs.py
+++ b/greasepencil_tools/prefs.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import os
diff --git a/greasepencil_tools/timeline_scrub.py b/greasepencil_tools/timeline_scrub.py
index c152c87cc2244ddce950e796a381c0fae71ba4f2..8f058ed9491371c3b0262ff85234a67f50dc2427 100644
--- a/greasepencil_tools/timeline_scrub.py
+++ b/greasepencil_tools/timeline_scrub.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
'''Based on viewport_timeline_scrub standalone addon - Samuel Bernou'''
diff --git a/greasepencil_tools/ui_panels.py b/greasepencil_tools/ui_panels.py
index 06ad6cb263b4489358880188ee9d3ce26a114615..ff3900de89d77874a9eda45c97070eb688b4eb18 100644
--- a/greasepencil_tools/ui_panels.py
+++ b/greasepencil_tools/ui_panels.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/io_anim_bvh/__init__.py b/io_anim_bvh/__init__.py
index 3a17632eda160e82bfeca4e61ea6d293c1d66029..43e582d5b92f08a6cc2bf619fb7a34446801b5a2 100644
--- a/io_anim_bvh/__init__.py
+++ b/io_anim_bvh/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_anim_bvh/export_bvh.py b/io_anim_bvh/export_bvh.py
index f400a8fe36b2d42753460f9c76e32fb517264f13..3ecf78513c4c4a40360d37b30606fadc73a08ec7 100644
--- a/io_anim_bvh/export_bvh.py
+++ b/io_anim_bvh/export_bvh.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_anim_bvh/import_bvh.py b/io_anim_bvh/import_bvh.py
index 4710a137ce4840f6aab07b79c34e3cda980f9346..cd30ad11ff339f31a1363526d364b5fd533cb49b 100644
--- a/io_anim_bvh/import_bvh.py
+++ b/io_anim_bvh/import_bvh.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_anim_camera.py b/io_anim_camera.py
index 6130b552f48f4d1da304b1deddc8010d0aea69da..7973bec2dbb423ae6114fc32cfe60d4151bae374 100644
--- a/io_anim_camera.py
+++ b/io_anim_camera.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_anim_nuke_chan/__init__.py b/io_anim_nuke_chan/__init__.py
index 3fca3f0768435293e7e1b9f94acddb6495a84ec7..4083f321d24055884dfb3e97144bb4849a8b4a02 100644
--- a/io_anim_nuke_chan/__init__.py
+++ b/io_anim_nuke_chan/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_anim_nuke_chan/export_nuke_chan.py b/io_anim_nuke_chan/export_nuke_chan.py
index 9b5f6420e8dc5980ea41e0ad9b2afa0d6da73760..0a64a7375498e16b7753d76d7d97c122ec25756d 100644
--- a/io_anim_nuke_chan/export_nuke_chan.py
+++ b/io_anim_nuke_chan/export_nuke_chan.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_anim_nuke_chan/import_nuke_chan.py b/io_anim_nuke_chan/import_nuke_chan.py
index 3f9793abc74a160ba4904dd06009542b663542c3..0fabca81bbe73c3d2c3bc4af97c0d82208e0ac39 100644
--- a/io_anim_nuke_chan/import_nuke_chan.py
+++ b/io_anim_nuke_chan/import_nuke_chan.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_coat3D/__init__.py b/io_coat3D/__init__.py
index e14719429da15e1e7889d2ac3f7ba817d4097c96..35e686cc229a73a4946f3481ef23166a699e8693 100644
--- a/io_coat3D/__init__.py
+++ b/io_coat3D/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "3D-Coat Applink",
diff --git a/io_coat3D/tex.py b/io_coat3D/tex.py
index 9901e3b2b215b60873019a41f95d77fcdd5d8a0e..b7f7b70b3ed1b33848453aa0a0f417f057abaf13 100644
--- a/io_coat3D/tex.py
+++ b/io_coat3D/tex.py
@@ -1,21 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import os
diff --git a/io_coat3D/texVR.py b/io_coat3D/texVR.py
index 520b30840b8ab5977bc957d9a4df86a9422fced2..1b5263c489f461ddb216db1fe7d7a9c0df37ce07 100644
--- a/io_coat3D/texVR.py
+++ b/io_coat3D/texVR.py
@@ -1,21 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import os
diff --git a/io_curve_svg/__init__.py b/io_curve_svg/__init__.py
index 03b1755ede62f39ecc25650876ba19f2c0fd9f6c..a4883578ea9eed1b0e429490cac28d4c1d154cf2 100644
--- a/io_curve_svg/__init__.py
+++ b/io_curve_svg/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_curve_svg/import_svg.py b/io_curve_svg/import_svg.py
index 5b2f10089950a23694b5fc0ed987f37dd25e8c2c..c9df4dfba8f2617fb70fd7cef092cd50db586462 100644
--- a/io_curve_svg/import_svg.py
+++ b/io_curve_svg/import_svg.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_curve_svg/svg_colors.py b/io_curve_svg/svg_colors.py
index 6b8657edcf53ca9a6c08686d47932fa4d7a0a5ec..36825202e4b22da6fb27c34183fb938a33681fd7 100644
--- a/io_curve_svg/svg_colors.py
+++ b/io_curve_svg/svg_colors.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_curve_svg/svg_util.py b/io_curve_svg/svg_util.py
index c544f91d01c67857895941006c04be4db6ac5672..8bae3abbba7509dc57d828b8d8e408afa3e058c6 100644
--- a/io_curve_svg/svg_util.py
+++ b/io_curve_svg/svg_util.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_curve_svg/svg_util_test.py b/io_curve_svg/svg_util_test.py
index 09077ef3e748e300fa2359d5a35c9f4155ed5781..8dcd5c3db6b1b8e851ce334a380b420633b38f65 100755
--- a/io_curve_svg/svg_util_test.py
+++ b/io_curve_svg/svg_util_test.py
@@ -1,26 +1,8 @@
#!/usr/bin/env python3
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
-
# XXX Not really nice, but that hack is needed to allow execution of that test
# from both automated CTest and by directly running the file manually.
if __name__ == '__main__':
diff --git a/io_export_dxf/__init__.py b/io_export_dxf/__init__.py
index e9083bb5f3e907a02fec124ee304bebe26e4f747..abcdbcce2973440a41716fa834a011c3756acd0c 100644
--- a/io_export_dxf/__init__.py
+++ b/io_export_dxf/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Export Autocad DXF Format (.dxf)",
diff --git a/io_export_dxf/export_dxf.py b/io_export_dxf/export_dxf.py
index c4088c6da783683d4348203e2a533946a7eb5544..f763b3a39aa5d378e9e217539890fb76165277ce 100644
--- a/io_export_dxf/export_dxf.py
+++ b/io_export_dxf/export_dxf.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import os
import mathutils
diff --git a/io_export_dxf/model/dxfLibrary.py b/io_export_dxf/model/dxfLibrary.py
index 50aa4d567eca7978e2e9537c5300848a810fe1fc..d71a48da0aaf888d5f03c00bbaff5b80f683026c 100644
--- a/io_export_dxf/model/dxfLibrary.py
+++ b/io_export_dxf/model/dxfLibrary.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
#dxfLibrary.py : provides functions for generating DXF files
# --------------------------------------------------------------------------
__version__ = "v1.35 - 2010.06.23"
@@ -65,24 +67,6 @@ ______________________________________________________________
# DXF Library: copyright (C) 2005 by Stani Michiels (AKA Stani)
# 2008/2009 modif by Remigiusz Fiedler (AKA migius)
# --------------------------------------------------------------------------
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-
#import Blender
#from Blender import Mathutils, Window, Scene, sys, Draw
diff --git a/io_export_dxf/operator.py b/io_export_dxf/operator.py
index 0ecd26351420ea1a721d76676e0f064c105be8ed..081f02175abbf9de18ebb77cd749ffbadf4a5689 100644
--- a/io_export_dxf/operator.py
+++ b/io_export_dxf/operator.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.props import (
diff --git a/io_export_pc2.py b/io_export_pc2.py
index 8dda3cd1390b1841f3b7da86a3f0995e32812643..a56e4c33135f9e740e9e802809577e5ac64ab094 100644
--- a/io_export_pc2.py
+++ b/io_export_pc2.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Export Pointcache Format(.pc2)",
diff --git a/io_import_BrushSet.py b/io_import_BrushSet.py
index 0c788fcba7285ef229e88e73f44229985ad8a934..e64cacebd5a7dc97e4864e01ad9b34795a482e09 100644
--- a/io_import_BrushSet.py
+++ b/io_import_BrushSet.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_import_dxf/__init__.py b/io_import_dxf/__init__.py
index f54535feeadf6fb3311fc5a4475285d98df0cedf..5748612b6f191df00c4085a9db76bd3d249f3905 100644
--- a/io_import_dxf/__init__.py
+++ b/io_import_dxf/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/dxfimport/convert.py b/io_import_dxf/dxfimport/convert.py
index f3f4be837ed7f6d2a68d25089fa715911f037a14..f8fda1f9c9cb21640e3c02db8cc1d60bc77e930c 100644
--- a/io_import_dxf/dxfimport/convert.py
+++ b/io_import_dxf/dxfimport/convert.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/dxfimport/do.py b/io_import_dxf/dxfimport/do.py
index 65f9c079121b0e2de009a004c2cc5ded81191766..c4de410f0e988271dd4d53947d2fe720f788e181 100644
--- a/io_import_dxf/dxfimport/do.py
+++ b/io_import_dxf/dxfimport/do.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/dxfimport/fake_entities.py b/io_import_dxf/dxfimport/fake_entities.py
index 35338a7df5a2bb4fc1f62185639b936cabbe8975..b4357d58177d0eada6d9a5470fc8af85c4a0682f 100644
--- a/io_import_dxf/dxfimport/fake_entities.py
+++ b/io_import_dxf/dxfimport/fake_entities.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/dxfimport/groupsort.py b/io_import_dxf/dxfimport/groupsort.py
index 9a49acc794b8f4e6a5b73d054ae6d881fe9a7aab..d9b0ea6f8ec8d74b53045da25359e9b2fe5df6ae 100644
--- a/io_import_dxf/dxfimport/groupsort.py
+++ b/io_import_dxf/dxfimport/groupsort.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/dxfimport/is_.py b/io_import_dxf/dxfimport/is_.py
index 021e69d335635a2efb80ec8de53c59656e8ebc01..03ff69b065a0633276c55fc4ac33eaa85f6cc154 100644
--- a/io_import_dxf/dxfimport/is_.py
+++ b/io_import_dxf/dxfimport/is_.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/dxfimport/line_merger.py b/io_import_dxf/dxfimport/line_merger.py
index 78e78cc6e570c9c912a1ad34c5565de102078b8b..b3dcea47a66ba82b54a01b693980f18328a580e7 100644
--- a/io_import_dxf/dxfimport/line_merger.py
+++ b/io_import_dxf/dxfimport/line_merger.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_dxf/transverse_mercator.py b/io_import_dxf/transverse_mercator.py
index 84b155b381db8a0b70eb95f8ccc798486280a984..6cbe0b97159fa70a68373b93416d82b4a162f414 100644
--- a/io_import_dxf/transverse_mercator.py
+++ b/io_import_dxf/transverse_mercator.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_images_as_planes.py b/io_import_images_as_planes.py
index d842566e1901bcd9989fa27a797274cc1aca71f7..732044e99347cb3c5408e53489153f8cbef5101d 100644
--- a/io_import_images_as_planes.py
+++ b/io_import_images_as_planes.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_import_palette/__init__.py b/io_import_palette/__init__.py
index 8f1558947931bbf8e6e91c59c200f0c57f7a73fb..3ad47383413f9c52937342c37d6cece9a6462144 100644
--- a/io_import_palette/__init__.py
+++ b/io_import_palette/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_import_palette/import_ase.py b/io_import_palette/import_ase.py
index 4b5341b8e5d2272f86241cdbf3c8385264591d2a..a7a8a9c7f0bb0059b6db38e806dab9b9a91a168f 100644
--- a/io_import_palette/import_ase.py
+++ b/io_import_palette/import_ase.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# This ASE conversion uses code from Marcos A Ojeda http://generic.cx/
#
diff --git a/io_import_palette/import_krita.py b/io_import_palette/import_krita.py
index 779bc8f387173e19c49d20e9b949dd8dbf7f7d95..3d540328011b1b6ece77480df8fd1f0845246a69 100644
--- a/io_import_palette/import_krita.py
+++ b/io_import_palette/import_krita.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_mesh_atomic/__init__.py b/io_mesh_atomic/__init__.py
index 81a518b7f51dbd105998fa594477a843151477ea..45f51985261d7e6a2cab1bf827596a9a6cae6397 100644
--- a/io_mesh_atomic/__init__.py
+++ b/io_mesh_atomic/__init__.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
#
# Author : Clemens Barth (Blendphys@root-1.de)
# Homepage(Wiki) : http://development.root-1.de/Atomic_Blender.php
@@ -53,7 +38,6 @@
# -----
# Frank Palmino (Femto-St institute, Belfort-Montbéliard, France)
# ... for testing the addons and for feedback
-#
bl_info = {
"name": "Atomic Blender PDB/XYZ",
diff --git a/io_mesh_atomic/pdb_export.py b/io_mesh_atomic/pdb_export.py
index 949ee5e200aca137b836acc9a940d34b392f2253..6bac0a05cd7fea86cddd07e7f9f4f5bc2965ed9b 100644
--- a/io_mesh_atomic/pdb_export.py
+++ b/io_mesh_atomic/pdb_export.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from io_mesh_atomic.pdb_import import ELEMENTS_DEFAULT
diff --git a/io_mesh_atomic/pdb_gui.py b/io_mesh_atomic/pdb_gui.py
index 711053d74770827c40d2cec424d53fc6f915206d..88f7559ae93c2fab4aa87520848895e96fcf1848 100644
--- a/io_mesh_atomic/pdb_gui.py
+++ b/io_mesh_atomic/pdb_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Operator, AddonPreferences
diff --git a/io_mesh_atomic/pdb_import.py b/io_mesh_atomic/pdb_import.py
index 11bdb9728cea4ab630fd9d06b453d1980bff3d07..589776aab53d1d2b0104763f74df289ec8bf851d 100644
--- a/io_mesh_atomic/pdb_import.py
+++ b/io_mesh_atomic/pdb_import.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import os
import bpy
diff --git a/io_mesh_atomic/utility_gui.py b/io_mesh_atomic/utility_gui.py
index ac84d4c7f59d4746c785721984168ede6b3476ea..081dc3c6682deed9bc9e1808827f4d1252be53cb 100644
--- a/io_mesh_atomic/utility_gui.py
+++ b/io_mesh_atomic/utility_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Operator, Panel
diff --git a/io_mesh_atomic/utility_panel.py b/io_mesh_atomic/utility_panel.py
index 46420502dbaa6646fd2153611bb1f58706a7c67b..9f6b91fea0daf9c5e3103a86b1ca2383cbb523cc 100644
--- a/io_mesh_atomic/utility_panel.py
+++ b/io_mesh_atomic/utility_panel.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import os
import bpy
diff --git a/io_mesh_atomic/xyz_export.py b/io_mesh_atomic/xyz_export.py
index 79e99736cb9bcd52aa3544cb5e61e5d201fff47c..e89c59caf3959115f321c9c14fef0c6d1983177c 100644
--- a/io_mesh_atomic/xyz_export.py
+++ b/io_mesh_atomic/xyz_export.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from io_mesh_atomic.xyz_import import ELEMENTS_DEFAULT
diff --git a/io_mesh_atomic/xyz_gui.py b/io_mesh_atomic/xyz_gui.py
index e465c4c21c51efb46e67f0ddd0fbec5a3a3c42ae..6475a22c9406f46fdc265fd280da81ae94651182 100644
--- a/io_mesh_atomic/xyz_gui.py
+++ b/io_mesh_atomic/xyz_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Operator, AddonPreferences
diff --git a/io_mesh_atomic/xyz_import.py b/io_mesh_atomic/xyz_import.py
index 940a2ff1c3846c1f9259f7bfc357458cfebb3442..6a2bb5a22dafab57249b1ea6cea8ec0e6c340976 100644
--- a/io_mesh_atomic/xyz_import.py
+++ b/io_mesh_atomic/xyz_import.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import os
import bpy
diff --git a/io_mesh_ply/__init__.py b/io_mesh_ply/__init__.py
index 1a64bfd1d25299c3abc5c79f8b3f85396fbf0d53..e76772ed629f324ae2e866242bb1e7e22ddd1878 100644
--- a/io_mesh_ply/__init__.py
+++ b/io_mesh_ply/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_mesh_ply/export_ply.py b/io_mesh_ply/export_ply.py
index 3bb2185805183ca073bd8c8355662cbcfb37e292..e4fddc49ea8bc97926f6d36aca1da866c741cdbf 100644
--- a/io_mesh_ply/export_ply.py
+++ b/io_mesh_ply/export_ply.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_mesh_ply/import_ply.py b/io_mesh_ply/import_ply.py
index d9d12d675d23a7226a51877074c4f3177e518be5..bf2854f3feae07ab2e13de2cffa41277e0a5d3fc 100644
--- a/io_mesh_ply/import_ply.py
+++ b/io_mesh_ply/import_ply.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_mesh_stl/__init__.py b/io_mesh_stl/__init__.py
index ff616ba11545b1198b4581184a4cea25f1fa8287..56276e5fe43dca6dc85c9ddae3b48a386b17c18a 100644
--- a/io_mesh_stl/__init__.py
+++ b/io_mesh_stl/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_mesh_stl/blender_utils.py b/io_mesh_stl/blender_utils.py
index 97621d112bb572be152ae3c6c3cc1d3af336c7b5..0cfc428b59e092cc7837cad57a2fab3037e3e31f 100644
--- a/io_mesh_stl/blender_utils.py
+++ b/io_mesh_stl/blender_utils.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_mesh_stl/stl_utils.py b/io_mesh_stl/stl_utils.py
index 2fdd17f06837bde7d5529c4f1779706aa899b7a6..34d8d97c8804f7589ad00e02947b3b7cefc0f46c 100644
--- a/io_mesh_stl/stl_utils.py
+++ b/io_mesh_stl/stl_utils.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_mesh_uv_layout/__init__.py b/io_mesh_uv_layout/__init__.py
index c7b62047f0e2b0477913f3617576af933d038977..6068643391526a2557281596a85d640978e63d30 100644
--- a/io_mesh_uv_layout/__init__.py
+++ b/io_mesh_uv_layout/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_mesh_uv_layout/export_uv_eps.py b/io_mesh_uv_layout/export_uv_eps.py
index 6d837a1520d2d491a41d94a72408830bb13aad00..3a1676b518ea26e98aab0efc324a5ca9b2b6bad5 100644
--- a/io_mesh_uv_layout/export_uv_eps.py
+++ b/io_mesh_uv_layout/export_uv_eps.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_mesh_uv_layout/export_uv_png.py b/io_mesh_uv_layout/export_uv_png.py
index 7fd3ba09e82fad1d440c847eaf65fe23effff37a..94c7190ea2218fbf2e4f637d72d30b4c97df11ac 100644
--- a/io_mesh_uv_layout/export_uv_png.py
+++ b/io_mesh_uv_layout/export_uv_png.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_mesh_uv_layout/export_uv_svg.py b/io_mesh_uv_layout/export_uv_svg.py
index 3ce2e1f043f0f9cd34946b3e978e8227c83ec459..971ee55874fda6697ae44dac287d9ee58c891d03 100644
--- a/io_mesh_uv_layout/export_uv_svg.py
+++ b/io_mesh_uv_layout/export_uv_svg.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_scene_fbx/__init__.py b/io_scene_fbx/__init__.py
index 37bc94f5676d766fd1107599a6fbb78ea9fa768d..d9f416504559e0c77572b24e2e0039437de718fe 100644
--- a/io_scene_fbx/__init__.py
+++ b/io_scene_fbx/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/data_types.py b/io_scene_fbx/data_types.py
index 129806c991b6c3cb13a70763b0441ebb3ee5df78..fa835232bbe1ab946c7da27481ace95c690a932b 100644
--- a/io_scene_fbx/data_types.py
+++ b/io_scene_fbx/data_types.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/encode_bin.py b/io_scene_fbx/encode_bin.py
index 2023a495c5f03c9c42585deefd12ee4bbaefe1cf..801166922bfc8b1542068f1f87bef27614e378d4 100644
--- a/io_scene_fbx/encode_bin.py
+++ b/io_scene_fbx/encode_bin.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/export_fbx_bin.py b/io_scene_fbx/export_fbx_bin.py
index 842cbabc4fc30f97a0577eceabab922b8b43799e..9a31df3b66daefb050655a7efeabb424cf1920bb 100644
--- a/io_scene_fbx/export_fbx_bin.py
+++ b/io_scene_fbx/export_fbx_bin.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/fbx2json.py b/io_scene_fbx/fbx2json.py
index c5d47ade9b5fee7b7b3f473cdd8bec706852dad7..70cdcc84d5c3d29ac4c4081ed83e9812632a99ed 100755
--- a/io_scene_fbx/fbx2json.py
+++ b/io_scene_fbx/fbx2json.py
@@ -1,21 +1,5 @@
#!/usr/bin/env python3
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/fbx_utils.py b/io_scene_fbx/fbx_utils.py
index 6dfb16e52d324b4660c4b347aea331640e397af0..e3bb40287807fc74852acaabd6645703b3f35b91 100644
--- a/io_scene_fbx/fbx_utils.py
+++ b/io_scene_fbx/fbx_utils.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/import_fbx.py b/io_scene_fbx/import_fbx.py
index f62bf795e067ad456291e18a27956b83dcd9fad9..c28d4d74b2687396e8d7e775f70033ff9f84032a 100644
--- a/io_scene_fbx/import_fbx.py
+++ b/io_scene_fbx/import_fbx.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/json2fbx.py b/io_scene_fbx/json2fbx.py
index 579b45a79414e48338e91e94e7a77da7e02491da..5e8d177e72428c7864875f7b845b8da9ecdcea12 100755
--- a/io_scene_fbx/json2fbx.py
+++ b/io_scene_fbx/json2fbx.py
@@ -1,21 +1,5 @@
#!/usr/bin/env python3
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_fbx/parse_fbx.py b/io_scene_fbx/parse_fbx.py
index 634c4d93f777f41f1d1d587e002da300c2e59096..43ae255f8dcb64fabe8bf1c925f26b6d8b3b1e9d 100644
--- a/io_scene_fbx/parse_fbx.py
+++ b/io_scene_fbx/parse_fbx.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index d720d8525b9829642b49a056fbf8b23491fe9d9e..6b3dd1966b4d1b4722da4f1c595325409563e019 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
bl_info = {
'name': 'glTF 2.0 format',
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_conversion.py b/io_scene_gltf2/blender/com/gltf2_blender_conversion.py
index 7f4e69fbdcfb43a9b55b63655fc20620d192eef2..ecb91c8fbd0473368362186b0429ec21b4db43ad 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_conversion.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_conversion.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from math import sin, cos
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_data_path.py b/io_scene_gltf2/blender/com/gltf2_blender_data_path.py
index 64e0fea0654a8d0fc21a52e03dbbc1777e952074..9f238da777eebf2f740537c8deebfaf8afdf5c06 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_data_path.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_data_path.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
def get_target_property_name(data_path: str) -> str:
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_extras.py b/io_scene_gltf2/blender/com/gltf2_blender_extras.py
index 6c93e7b4dc2bc2a5a0455750d15573425ae71043..756ea3c960f1b706a58b04f7fb0a36501745ec01 100644
--- a/io_scene_gltf2/blender/com/gltf2_blender_extras.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_extras.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_json.py b/io_scene_gltf2/blender/com/gltf2_blender_json.py
index 9b4ea75ac0a726806fe2324eaa34f7c1e2f425f6..c2e1657b319950369457cb3b979d885703868116 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_json.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_json.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import json
import bpy
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py b/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py
index e5499e3e5f4664ed4c4c7f6186dd169bf82b3ebc..f3d7122eecb76569f6c07c64a223cdfebedaad1b 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
def get_gltf_node_name():
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_math.py b/io_scene_gltf2/blender/com/gltf2_blender_math.py
index 9dcae661e6eb0c9b261ef6f29d7d53f44a80a85d..0498e8f894b5a629fc3e4896aa1c1e7de8aa704f 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_math.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_math.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import typing
import math
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_export.py b/io_scene_gltf2/blender/exp/gltf2_blender_export.py
index fc78e9b5eb90c60fe18132df0cf41fdd60fcf6d5..e1c854026907b9fb3d872bcb109817684c7fc781 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_export.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_export.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import time
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py b/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
index 06fe6a472da4408ec6a06ed4d6876918d27dd6fc..732d77e67b236e0ca279473903e5812447af73a6 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
FILTERED_VERTEX_GROUPS = 'filtered_vertex_groups'
FILTERED_MESHES = 'filtered_meshes'
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_extract.py b/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
index f7318c2b9fdaa9f536243ae29bdfe008ac0eb2a0..f5b69f13142512e177e63414697ad08f78e98f7d 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import numpy as np
from mathutils import Vector
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
index 3a33c074f8e56d33f07a9c675ed1045e8c879fde..31c0fa62505ed2647ec573f11243fdc54dce9f66 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
index 4fa3700b8e15aa7922c2fc477b81df777ac29a13..ecc053cd012c4b27fb90268893e81013cd68244a 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
index ed9c5f8ce364aff7d38fff2827568e5d2388a210..928fa14ad8b15f58eaed9c0d4ce3f8ef1a04cd1a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
index 004e8d64671dd3fac6a7a037ad64c48dd07c7619..4c79092c3e50510132697a58e4d80de130d6956d 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
index bd0ce30591c62ecc861298c18d0d5d4c0fd7e661..e138e26a0c0175306ef01835452f8cc182c79fa8 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import mathutils
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
index 61fe17a69bdd190ac57c63fcdcde987f7ada5746..b3cc9d305eccafae0a7ba9bb81ddde3ef6a69efd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
index abd498df157e0af4727b2b31199a31a5c2bc6d62..57374a2a5aab25d4341faa969412c6fb739076db 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
index 20e3e6d9e84a44bddb31e714b30e3f42f3c88652..7e49ac02f61bfc9d8a55811190861da39f7f2496 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import functools
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
index 8ac15307dd91697eb710f658dcdd6d0a284e66ac..cee3cb0643dcfe29a335ad5ba3db15b1ee9357dd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
from ..com.gltf2_blender_extras import generate_extras
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
index d639c9ac31e137d4282b67e4bf6d3514314f0fc4..1f82c2b3872bd79bf5684aed097423ac9e4ab6d5 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import skdriverdiscovercache, skdrivervalues
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
index baee02bd362a0be246d5a76fc076d593ed23a232..8e43c2c14c41574c975423d1938fed6b367adb3c 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
index 1abe9ec156042af166357d8bb5c6b4274a1104e9..ffc1231b13983b17f54900713b96d1ca34b390ad 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import mathutils
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
index b9b9f324b505b717508feab7a830fdc1ffea74dc..b740b29408fb9b7a90f2b98a11c151b613f527c1 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from typing import Optional
from io_scene_gltf2.io.com import gltf2_io_lights_punctual
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
index 9614263cbf3fa79987947bc8df4e2d28f11cd3ff..615bd01b787dae84adc36eb32a907b583e35b835 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import math
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
index 6bd7834b9ae0900addb0d7833d1fa287a7df61c1..d4af9529d06322271a5e0037983cb4b7fe31b106 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
index 88f3eb69a8b25c93ea2b9001acbc804f2a5731c3..b0b17c8485525c7e51b92b317bf8b512e3e8ebee 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py
index 36e6b4b421aa8bedd88c7f9e130012dcdd6455a4..2645f1f7ef4c313a16c1da0b0da8bc460098e42a 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from io_scene_gltf2.blender.exp import gltf2_blender_gather_texture_info
from io_scene_gltf2.blender.exp import gltf2_blender_get
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
index 4b301d22d97fce7d7c5b8ffe480dd63bed25bb75..ac90e4cd10727881605ea9441c65bbcd75bcd5fe 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from typing import Optional, Dict, List, Any, Tuple
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
index d94b8c079b40475400ba2f03a1391f63964798c5..a69f5d5805e71ab2cb6bfe6539aca9932a29739a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import math
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
index 126037ab52109430283de51c502ad5aaee32b454..776b872a53ee85c57faf5a0f52e22e11d0899426 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import numpy as np
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
index 9f9b949ab06744e4d363b0b33e23b90ecc4b9c66..82ff7f6614c4c137c780064b51c2422b5a7bd3a9 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from typing import List, Optional, Tuple
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
index 6f4123ad99ec274bbe8424227368de480472d400..5685a242babe31f66e68ca3598866fdffb686f1f 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from io_scene_gltf2.io.com import gltf2_io
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
index 5d9e31edc570d5037bc78d946dd88948744d50a7..e5534c5a4ade11e84b61378bc3bad452ccf836f7 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import mathutils
from . import gltf2_blender_export_keys
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
index a8ec7f792a68be0d982e7197f34fd02e01aab3cc..88aa6290e2cfa5c5ff454d8e7999820a0d0d85cd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import typing
import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
index a99ae86a0f8f0b411fb5b85cd4f60446d85475a4..2618973b673cd89fbb82f0eaf553111cb6f4fb8d 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_get.py b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
index e925bf2511fb499f7ab1accea42c282a56ae5ee8..36fd4dfb71ababa2997824fe3d3ce4a232d7656d 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_get.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from mathutils import Vector, Matrix
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py b/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
index 77ea0c5796ea983813426e7cc17bb83728e7eb18..9761e81c345cb324c9a2e6cd9c87593d769f12c6 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import re
import os
import urllib.parse
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_image.py
index fc41b7f2e00013de309368757ca78fc889e5fcf0..e9917c2aed77f5984bc661ad1cb537c1635ea77e 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_image.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import os
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py b/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
index c1fba51b2da906f2b0ef644df307d2d830e82144..41de11d66a4dfe40efda5cda9d220b4311b7812f 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
#
# Imports
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_clearcoat.py b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_clearcoat.py
index 4629f3bfa3f541be5572695233825f00b418d5db..73232f14f6d8b690712462d37b8cf4d33f8bc1bd 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_clearcoat.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_clearcoat.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from ...io.com.gltf2_io import TextureInfo, MaterialNormalTextureInfoClass
from .gltf2_blender_texture import texture
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py
index ed3aa78802aad8162a6571d0aa9b784afc8d36ba..bed63f7f6529fac05ea86e47d1fd65a000d8bc6e 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from ...io.com.gltf2_io import TextureInfo
from .gltf2_blender_pbrMetallicRoughness import \
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py
index 5b949362e89932ea60cbbc18d8e4f7f35b1dc716..48ad46fddc64564911b92b7f160b6894dc0f42ef 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from .gltf2_blender_pbrMetallicRoughness import base_color, make_output_nodes
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation.py
index ba030fab59a3655e5ed08135e2000c7e543e7cc0..c0dcd84e2672caa3f0968e9c24c39d2dfd0d0a9d 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from .gltf2_blender_animation_node import BlenderNodeAnim
from .gltf2_blender_animation_weight import BlenderWeightAnim
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py
index 03f8592ccc9908208356fe659cf10ec46e674593..acc7767fd5e006e8c242d058b1a7687f22afc534 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from mathutils import Vector
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py
index 688a785c4795c7e46b67d7eb2a2bc2e6b7fb7d50..c1392513e9dbfce3a3610bac443d39208d27f45a 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py
index 3b864d6bf8abd05f5e3b2dacbb38ef132cbe563e..351355fb2e81ef20ec20060f54ea1142b3671278 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_camera.py b/io_scene_gltf2/blender/imp/gltf2_blender_camera.py
index e5f6e3d1636e66e367c21bbe1b25199b2d5694ae..6a580e03143ca8c32732581977cf253fb99084c7 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_camera.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_camera.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from ..com.gltf2_blender_extras import set_extras
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py b/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py
index 92f8f4691e93a11af15db20856affe4eeecfe4b3..f25564653d7653b53d42bcab1fd42221252cb8da 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from mathutils import Vector, Quaternion, Matrix
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_image.py b/io_scene_gltf2/blender/imp/gltf2_blender_image.py
index cf4a959545df096bb7aecb1db88c47fe590b94a3..4e8c5250e210fa476040c98b6cab5069f9b0fd53 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_image.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_image.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
import os
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_light.py b/io_scene_gltf2/blender/imp/gltf2_blender_light.py
index 9e6b8a963e6323445df24114443f264f4a072010..fb0605984fed6997ee71ef8974872e0fa5e4bfdd 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_light.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_light.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from math import pi
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_material.py b/io_scene_gltf2/blender/imp/gltf2_blender_material.py
index 1a5be06f9e9ab161f65452b3913ec90b2b24a280..1d18c65d0f1031746ff9a6c30498fe00dc2a33c6 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_material.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_material.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py b/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
index 41dd4d0342380a1acc32efb64d01609bb1de3142..01a2b42dfb4714330319f8c810ed92aa6eb75ae6 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from mathutils import Matrix
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_node.py b/io_scene_gltf2/blender/imp/gltf2_blender_node.py
index 2fdbcfa563f24d55b94e65a9586e95bba54a0356..06a2cb41318bddf03934687f2bed77cf6e3dcea2 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_node.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_node.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from mathutils import Vector
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py b/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
index 1fb76480d6f99d3ebc52b060a942d6bbaa359891..1780998c0aa67591d1395523350da585e747b2db 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from ...io.com.gltf2_io import TextureInfo, MaterialPBRMetallicRoughness
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_scene.py b/io_scene_gltf2/blender/imp/gltf2_blender_scene.py
index 57c53527478e02286fca2fd4877f97493764a3d8..2092a6be69374f6924ff9ac84101f1a59bff8f08 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_scene.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_scene.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_texture.py b/io_scene_gltf2/blender/imp/gltf2_blender_texture.py
index 2a41c28e98e804d33204139a1b59bbafa95822d0..24c9df7c55f92366917c4e5fbbe941995e8685f2 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_texture.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_texture.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py b/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py
index 4aa687cd4f3bbb5276305b3c52310f9b965e7d2a..95285860ecef3ec486be6d64826fbe6c6e48f873 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import bpy
from mathutils import Vector, Quaternion, Matrix
diff --git a/io_scene_gltf2/blender/imp/gltf2_io_draco_compression_extension.py b/io_scene_gltf2/blender/imp/gltf2_io_draco_compression_extension.py
index bb6e502235dc62a7a4c1adc3e0a762ff7839140e..a22da18fd47b2a623d4e98548f01a9ae8d608229 100644
--- a/io_scene_gltf2/blender/imp/gltf2_io_draco_compression_extension.py
+++ b/io_scene_gltf2/blender/imp/gltf2_io_draco_compression_extension.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from ctypes import *
diff --git a/io_scene_gltf2/io/__init__.py b/io_scene_gltf2/io/__init__.py
index 3034b4b136b974543a64ba88c5784e00103b92ae..5867e9472cb34421ba3b56c3d8e22a0fe06278cf 100755
--- a/io_scene_gltf2/io/__init__.py
+++ b/io_scene_gltf2/io/__init__.py
@@ -1,15 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from .imp import *
diff --git a/io_scene_gltf2/io/com/gltf2_io.py b/io_scene_gltf2/io/com/gltf2_io.py
index d00a914d80349c5f5114c51fb2ec2218293e44bd..ce7ad55748789b14efa6fea2f9fdd0bd655a0d81 100755
--- a/io_scene_gltf2/io/com/gltf2_io.py
+++ b/io_scene_gltf2/io/com/gltf2_io.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
# NOTE: Generated from latest glTF 2.0 JSON Scheme specs using quicktype (https://github.com/quicktype/quicktype)
# command used:
diff --git a/io_scene_gltf2/io/com/gltf2_io_constants.py b/io_scene_gltf2/io/com/gltf2_io_constants.py
index b34bd3890c7318edd76500338f58577f17bbd736..19ead516ea028f8b7c8475519b0a009b68ef7f2a 100755
--- a/io_scene_gltf2/io/com/gltf2_io_constants.py
+++ b/io_scene_gltf2/io/com/gltf2_io_constants.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from enum import IntEnum
diff --git a/io_scene_gltf2/io/com/gltf2_io_debug.py b/io_scene_gltf2/io/com/gltf2_io_debug.py
index 290616cc6dd60ee0e0a91628827fa6aaf302b1f7..5b09da10b3a6e4d20673fa08537ff31b678751f9 100755
--- a/io_scene_gltf2/io/com/gltf2_io_debug.py
+++ b/io_scene_gltf2/io/com/gltf2_io_debug.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
#
# Imports
diff --git a/io_scene_gltf2/io/com/gltf2_io_draco_compression_extension.py b/io_scene_gltf2/io/com/gltf2_io_draco_compression_extension.py
index e7518ac4bc7ed7bd21158875aeb5ceac1d39f9e4..28f06e5106e791329528dd006b330c63674e5a35 100644
--- a/io_scene_gltf2/io/com/gltf2_io_draco_compression_extension.py
+++ b/io_scene_gltf2/io/com/gltf2_io_draco_compression_extension.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import os
import sys
diff --git a/io_scene_gltf2/io/com/gltf2_io_extensions.py b/io_scene_gltf2/io/com/gltf2_io_extensions.py
index dd7f70548d14b12d2468e325426307efe29fbb53..791da96ddd3d2edd9701cb0f4a4efae11a6bb1b0 100644
--- a/io_scene_gltf2/io/com/gltf2_io_extensions.py
+++ b/io_scene_gltf2/io/com/gltf2_io_extensions.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from typing import List, Dict, Any
diff --git a/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py b/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py
index 1dad79f472e8f61cb4baa15598be65eddc707313..2240bec268e5b4967947215e7db133a04c0e6c6c 100644
--- a/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py
+++ b/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from io_scene_gltf2.io.com.gltf2_io import from_dict, from_union, from_none, from_float, from_str, from_list
from io_scene_gltf2.io.com.gltf2_io import to_float, to_class
diff --git a/io_scene_gltf2/io/exp/gltf2_io_binary_data.py b/io_scene_gltf2/io/exp/gltf2_io_binary_data.py
index 958374811e27acd138e4875a5892a3d006d8a558..104055519d87f357adadb108e3d85db8aa43c4f0 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_binary_data.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_binary_data.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import typing
import array
diff --git a/io_scene_gltf2/io/exp/gltf2_io_buffer.py b/io_scene_gltf2/io/exp/gltf2_io_buffer.py
index c859f64cb0f0cad438d16b4552ec1ce00c148b95..0129e85a3add0680942ec515705e889ae97b189c 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_buffer.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_buffer.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import base64
diff --git a/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py b/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
index cf26f5bd9141ea11326e7e086c4478f0cb8343be..a5c84884807c9c61b8b8dcec2a35468cd22392c1 100644
--- a/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from ctypes import *
from pathlib import Path
diff --git a/io_scene_gltf2/io/exp/gltf2_io_export.py b/io_scene_gltf2/io/exp/gltf2_io_export.py
index dbd2a44e5333c6fa9d6b8fdc81d968e976ae144c..49cc4a78f824833bde7351fad4a057ef55a8933a 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_export.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_export.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
#
# Imports
diff --git a/io_scene_gltf2/io/exp/gltf2_io_image_data.py b/io_scene_gltf2/io/exp/gltf2_io_image_data.py
index 3114493bd879d7308dd9a9e71143d4675f294014..7e15a52cd66c1da16bbea39a0e9316ba2303cd2a 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_image_data.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_image_data.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import re
diff --git a/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py b/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
index 1e1e37e364ed84722eaf694e424763af32cdefd5..4ea9795c4c3bcf26aef917a363ce93e2e9afd4f0 100644
--- a/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
def export_user_extensions(hook_name, export_settings, *args):
if args and hasattr(args[0], "extensions"):
diff --git a/io_scene_gltf2/io/imp/__init__.py b/io_scene_gltf2/io/imp/__init__.py
index 666fdf3fcb5e205f20dda84b3a0ba728cccd08eb..7d9ed59c45a3906c11a050e2634ed721208b248a 100755
--- a/io_scene_gltf2/io/imp/__init__.py
+++ b/io_scene_gltf2/io/imp/__init__.py
@@ -1,15 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
"""IO imp package."""
diff --git a/io_scene_gltf2/io/imp/gltf2_io_binary.py b/io_scene_gltf2/io/imp/gltf2_io_binary.py
index bbeb0db4be6fb1a1249aac9cb5c6d51c3304590e..21bbb41bef4f967789cc9d614eb5ee1a8633d947 100755
--- a/io_scene_gltf2/io/imp/gltf2_io_binary.py
+++ b/io_scene_gltf2/io/imp/gltf2_io_binary.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
import struct
import numpy as np
diff --git a/io_scene_gltf2/io/imp/gltf2_io_gltf.py b/io_scene_gltf2/io/imp/gltf2_io_gltf.py
index 407afccd1bc694c8c7afb43a444c1b27d3eb719d..9f096e691eb6ec555f7e2bd89a459c28fa14678d 100755
--- a/io_scene_gltf2/io/imp/gltf2_io_gltf.py
+++ b/io_scene_gltf2/io/imp/gltf2_io_gltf.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
from ..com.gltf2_io import gltf_from_dict
from ..com.gltf2_io_debug import Log
diff --git a/io_scene_gltf2/io/imp/gltf2_io_user_extensions.py b/io_scene_gltf2/io/imp/gltf2_io_user_extensions.py
index 0c43925154c300075ec44606a5c895bbbc28fa8d..505e326545ce70f83c8cb7f9e803c1703b9e305f 100644
--- a/io_scene_gltf2/io/imp/gltf2_io_user_extensions.py
+++ b/io_scene_gltf2/io/imp/gltf2_io_user_extensions.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
# Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
def import_user_extensions(hook_name, gltf_importer, *args):
for extension in gltf_importer.import_user_extensions:
diff --git a/io_scene_obj/__init__.py b/io_scene_obj/__init__.py
index 78c2314e4d02780f8c430fb0a36a092cb2820b73..8b5dad5f0c1528f8a09fdd87b61a325decc263b6 100644
--- a/io_scene_obj/__init__.py
+++ b/io_scene_obj/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py
index e5466c764d3006d8062187a986ca6645bdd0324c..ad10f7c42373b6857265098ff7b2ca9ac22107c5 100644
--- a/io_scene_obj/export_obj.py
+++ b/io_scene_obj/export_obj.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_obj/import_obj.py b/io_scene_obj/import_obj.py
index 0ba4f89853d84f4c3766d9a5223583e2fbaee3c2..4b996819c7f8b7b3eb2fd4e583cc98db82ba08af 100644
--- a/io_scene_obj/import_obj.py
+++ b/io_scene_obj/import_obj.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_x3d/__init__.py b/io_scene_x3d/__init__.py
index 450680f61f3f4d523a4e5947c6c2b319dc9d31e0..240cf1047c0338924619b41f802599949bc5d697 100644
--- a/io_scene_x3d/__init__.py
+++ b/io_scene_x3d/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/io_scene_x3d/export_x3d.py b/io_scene_x3d/export_x3d.py
index 6a4daf910919abd0cb801d3331ccf1b758c10cd3..f14226889fc1bae9dc0c40acff7e9b60475cc2d0 100644
--- a/io_scene_x3d/export_x3d.py
+++ b/io_scene_x3d/export_x3d.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_scene_x3d/import_x3d.py b/io_scene_x3d/import_x3d.py
index 6ca3ffc8709f89a80e997442bd4d034b9e78810d..834485cb6957c326806de330556644d8b5e06aea 100644
--- a/io_scene_x3d/import_x3d.py
+++ b/io_scene_x3d/import_x3d.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_shape_mdd/__init__.py b/io_shape_mdd/__init__.py
index fa59fe0de516f4ea07b49e92c5ef542def8e3b1d..9c4855e58d0353709c16ee72b8afe8d634d58020 100644
--- a/io_shape_mdd/__init__.py
+++ b/io_shape_mdd/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_shape_mdd/export_mdd.py b/io_shape_mdd/export_mdd.py
index d5e88d5126fa5864cff42610ecf2c9ff084563de..d7ebf39bb89dfcc8b56cbd433affb122df9babc8 100644
--- a/io_shape_mdd/export_mdd.py
+++ b/io_shape_mdd/export_mdd.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/io_shape_mdd/import_mdd.py b/io_shape_mdd/import_mdd.py
index f22f987e4f8b97c841a70149b37e926b6a735899..7a21dd9b438c792f77036a24c7f224792b21eb4a 100644
--- a/io_shape_mdd/import_mdd.py
+++ b/io_shape_mdd/import_mdd.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/lighting_dynamic_sky.py b/lighting_dynamic_sky.py
index 4152277d555b309586a4ff4031dc838e9a9c7eb2..5be1a438caf4301349378511fb6c1e34424ca98e 100644
--- a/lighting_dynamic_sky.py
+++ b/lighting_dynamic_sky.py
@@ -1,23 +1,5 @@
-# Dynamic Sky.py (c) 2015 Pratik Solanki (Draguu)
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2015 Pratik Solanki (Draguu)
bl_info = {
"name": "Dynamic Sky",
diff --git a/magic_uv/__init__.py b/magic_uv/__init__.py
index f31ad26b87205f543390e882449398614066439b..bc365eebac6515d2f9b9bb6efd047e935d19e203 100644
--- a/magic_uv/__init__.py
+++ b/magic_uv/__init__.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/common.py b/magic_uv/common.py
index 1d9d55cf38bbc425f82537fabb73e43ac48377f1..4e6334083ae64c42f9b3725040b6e839af25f9fc 100644
--- a/magic_uv/common.py
+++ b/magic_uv/common.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/lib/__init__.py b/magic_uv/lib/__init__.py
index 68d1843a9f11e08161602b650cbb7498a617f470..76eaf4800d995da68a9f5d65c6d99fb89787917b 100644
--- a/magic_uv/lib/__init__.py
+++ b/magic_uv/lib/__init__.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/__init__.py b/magic_uv/op/__init__.py
index 702ee452dfc9ad1e379a9263be9724759cd2d037..da77b17b306c4f14a14f4fdd1ca10547c336b538 100644
--- a/magic_uv/op/__init__.py
+++ b/magic_uv/op/__init__.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/align_uv.py b/magic_uv/op/align_uv.py
index 0cc3bcda6490b22c6006f999e786d2e27f311a2c..9f606db9bc9006c1954511f21fe6a7a8379edc42 100644
--- a/magic_uv/op/align_uv.py
+++ b/magic_uv/op/align_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "imdjs, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/align_uv_cursor.py b/magic_uv/op/align_uv_cursor.py
index 10f19a71b92b8e2a3b6028afaf195a3e9f4a0955..2b7f1491bd0f0d22e1181e28b7ed6e00b3821bbf 100644
--- a/magic_uv/op/align_uv_cursor.py
+++ b/magic_uv/op/align_uv_cursor.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/clip_uv.py b/magic_uv/op/clip_uv.py
index b1532a363aaa51a001a3f29b7d3c3315351ab525..c74755438eed1399e9844d1fa8b66cfba8046e33 100644
--- a/magic_uv/op/clip_uv.py
+++ b/magic_uv/op/clip_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Dusan Stevanovic, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/copy_paste_uv.py b/magic_uv/op/copy_paste_uv.py
index 761aa36ba1166bb5fc3203988fa2e10cdc42e56c..8ee83ad9468b542e29e3ea37a2b0b98e5bebc319 100644
--- a/magic_uv/op/copy_paste_uv.py
+++ b/magic_uv/op/copy_paste_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>, Jace Priester"
__status__ = "production"
diff --git a/magic_uv/op/copy_paste_uv_object.py b/magic_uv/op/copy_paste_uv_object.py
index 37706c3702f3c967dec613bf7fb30c10bfb4da5a..4e5d500afaf5873741e8ba423756927f2c99bcb0 100644
--- a/magic_uv/op/copy_paste_uv_object.py
+++ b/magic_uv/op/copy_paste_uv_object.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/copy_paste_uv_uvedit.py b/magic_uv/op/copy_paste_uv_uvedit.py
index 5ee7d62ccaf6a37b0857ae98f6ae0cb977a41ced..7055915f98353998ea0cd92cb651e6fdeadbe528 100644
--- a/magic_uv/op/copy_paste_uv_uvedit.py
+++ b/magic_uv/op/copy_paste_uv_uvedit.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "imdjs, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/flip_rotate_uv.py b/magic_uv/op/flip_rotate_uv.py
index 246e5fbf43fc5ce3df02edd90449e7f3723a7deb..cb40ede880cfc6f45b13af63466e712007b945fa 100644
--- a/magic_uv/op/flip_rotate_uv.py
+++ b/magic_uv/op/flip_rotate_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/mirror_uv.py b/magic_uv/op/mirror_uv.py
index 3cad279d6aac362bcda7f1fe1de062f544c35c25..dce3ca013ede81f3d715146c90dc7087b55621ef 100644
--- a/magic_uv/op/mirror_uv.py
+++ b/magic_uv/op/mirror_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Keith (Wahooney) Boshoff, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/move_uv.py b/magic_uv/op/move_uv.py
index 210169ab6844456b32c13aa9978abab373864c59..76022d12d7c2b9d51711c2f255173d896d92dc80 100644
--- a/magic_uv/op/move_uv.py
+++ b/magic_uv/op/move_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "kgeogeo, mem, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/pack_uv.py b/magic_uv/op/pack_uv.py
index dd4a74d3c567321985de67396c980992250d7e39..5eaceaf49f3e04fa0f97c84b9a241ca73d48d72e 100644
--- a/magic_uv/op/pack_uv.py
+++ b/magic_uv/op/pack_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/preserve_uv_aspect.py b/magic_uv/op/preserve_uv_aspect.py
index f1404b10d037b0bc5c1414613f2ce23491334445..9d3cbddeb0608387a749b45a077b226c2d44d336 100644
--- a/magic_uv/op/preserve_uv_aspect.py
+++ b/magic_uv/op/preserve_uv_aspect.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/select_uv.py b/magic_uv/op/select_uv.py
index bf01f954e84ae074aeb99d43b8c5fd6dbc8951c5..affc41e434c0a5976efbe2754627aed2de5fcaa8 100644
--- a/magic_uv/op/select_uv.py
+++ b/magic_uv/op/select_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/smooth_uv.py b/magic_uv/op/smooth_uv.py
index 232d6ccc0d5fe7f44f31ff08a9aad8e4a2b09f5c..020bc78f8da23398e8acbca29d1e9bc89b8b1e21 100644
--- a/magic_uv/op/smooth_uv.py
+++ b/magic_uv/op/smooth_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "imdjs, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/texture_lock.py b/magic_uv/op/texture_lock.py
index 6873cc4a786c15fa3c1022f5792170fb13b3eb17..f54c9453063bd952c946c0c5331d404ec8adceac 100644
--- a/magic_uv/op/texture_lock.py
+++ b/magic_uv/op/texture_lock.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/texture_projection.py b/magic_uv/op/texture_projection.py
index 9ce3cdc4c3735dea78c52e9e0441f35375b6aaa7..912447c33f715f057abb4c804bcaba58817b0e30 100644
--- a/magic_uv/op/texture_projection.py
+++ b/magic_uv/op/texture_projection.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/texture_wrap.py b/magic_uv/op/texture_wrap.py
index 9a706fd79bb6630917ed489c7d90e3e265776a47..4f9c868d856a0f3c33064566377313d6b7264bfc 100644
--- a/magic_uv/op/texture_wrap.py
+++ b/magic_uv/op/texture_wrap.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/transfer_uv.py b/magic_uv/op/transfer_uv.py
index da308816344b29078aaea1070f513ae02f26247d..029a5de3580723f27a3e7ee139a68ec4c706e029 100644
--- a/magic_uv/op/transfer_uv.py
+++ b/magic_uv/op/transfer_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>, Mifth, MaxRobinot"
__status__ = "production"
diff --git a/magic_uv/op/unwrap_constraint.py b/magic_uv/op/unwrap_constraint.py
index 489c3b695de897903cb2686754e17091a6bf633f..da94c495d82f93e17b122d9f59e84f547640cbc6 100644
--- a/magic_uv/op/unwrap_constraint.py
+++ b/magic_uv/op/unwrap_constraint.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/uv_bounding_box.py b/magic_uv/op/uv_bounding_box.py
index d7b9badb691181358597905bb4fadaf0a9cf9691..436f667935cb9ec42e1deb8ec456724ea4ad6af6 100644
--- a/magic_uv/op/uv_bounding_box.py
+++ b/magic_uv/op/uv_bounding_box.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/uv_inspection.py b/magic_uv/op/uv_inspection.py
index 7ee1633debedce642835e400cc1918ad02c5140e..e974221e5804d579ba004c1e1e5b19a57cfa3672 100644
--- a/magic_uv/op/uv_inspection.py
+++ b/magic_uv/op/uv_inspection.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/uv_sculpt.py b/magic_uv/op/uv_sculpt.py
index 0821f0bc7aa43fc4af4b1aec7c41144be42fdeb3..24c76e13022bfd6ee65f5da5b60fafaef597d69e 100644
--- a/magic_uv/op/uv_sculpt.py
+++ b/magic_uv/op/uv_sculpt.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/uvw.py b/magic_uv/op/uvw.py
index 3b155b8916fb47437385fd35ea0b3acbdc9937a9..516a5da89250f3376902cbf3c67c37dddb5972e7 100644
--- a/magic_uv/op/uvw.py
+++ b/magic_uv/op/uvw.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Alexander Milovsky, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/op/world_scale_uv.py b/magic_uv/op/world_scale_uv.py
index dd42ed3d8c057673a5ecff08a771f0bdc519bfbb..9c617ee40ad997ac26527a684be6b06fc013b4d5 100644
--- a/magic_uv/op/world_scale_uv.py
+++ b/magic_uv/op/world_scale_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "McBuff, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/preferences.py b/magic_uv/preferences.py
index 7d6ac95707176b4d3a739b6478b5939699633866..27785ad9a32c05da948c6643c1abb9dc249d22f5 100644
--- a/magic_uv/preferences.py
+++ b/magic_uv/preferences.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/properites.py b/magic_uv/properites.py
index a301d64f28482670b46d677572f82651de3bc581..215069156f7e8445868391f650ec1039b42a9a9a 100644
--- a/magic_uv/properites.py
+++ b/magic_uv/properites.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/IMAGE_MT_uvs.py b/magic_uv/ui/IMAGE_MT_uvs.py
index 8dc9ce52aae26f513325f7f2a4912256e261dc2f..adad2fe916c7b12839d0a7f4a71ed1faac449805 100644
--- a/magic_uv/ui/IMAGE_MT_uvs.py
+++ b/magic_uv/ui/IMAGE_MT_uvs.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/VIEW3D_MT_object.py b/magic_uv/ui/VIEW3D_MT_object.py
index e4255c3aa9cbca7c235d7ef13228d665f9e72319..29d5d607c3476658991a6b6b96e35b9375ee5f10 100644
--- a/magic_uv/ui/VIEW3D_MT_object.py
+++ b/magic_uv/ui/VIEW3D_MT_object.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/VIEW3D_MT_uv_map.py b/magic_uv/ui/VIEW3D_MT_uv_map.py
index a795ad487540751adea08d9c1854bbce1a7485fe..ee99ccba6704e5c3204ba0022c64fe616ba157de 100644
--- a/magic_uv/ui/VIEW3D_MT_uv_map.py
+++ b/magic_uv/ui/VIEW3D_MT_uv_map.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/__init__.py b/magic_uv/ui/__init__.py
index ebf119492443a0e2d44cdefe8a00a1553d404646..883e966ff2fafe03062e52b90a8fd171bf458a59 100644
--- a/magic_uv/ui/__init__.py
+++ b/magic_uv/ui/__init__.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/uvedit_copy_paste_uv.py b/magic_uv/ui/uvedit_copy_paste_uv.py
index 2f65246034e4c7ba0f7e0ace691f283370dc74ce..847b6e9a2b4d0887d82a66650efe61eab068b404 100644
--- a/magic_uv/ui/uvedit_copy_paste_uv.py
+++ b/magic_uv/ui/uvedit_copy_paste_uv.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/uvedit_editor_enhancement.py b/magic_uv/ui/uvedit_editor_enhancement.py
index 3d1e9ba3deeb9a890bef7bc2dbb1da181ed3a0b2..b73e5eb9d0311f6ff85b778c02c685b22fcb2d37 100644
--- a/magic_uv/ui/uvedit_editor_enhancement.py
+++ b/magic_uv/ui/uvedit_editor_enhancement.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/uvedit_uv_manipulation.py b/magic_uv/ui/uvedit_uv_manipulation.py
index 4a4358da17d065bd90398d05fc1db734aa7d9964..636a0acae5a0962f42954476a05b508cd4aeabc6 100644
--- a/magic_uv/ui/uvedit_uv_manipulation.py
+++ b/magic_uv/ui/uvedit_uv_manipulation.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/view3d_copy_paste_uv_editmode.py b/magic_uv/ui/view3d_copy_paste_uv_editmode.py
index 6a458aff3ce897e4c4c88420fc3953a68295551b..d0b52021b886f5e370f42213d0ef66ed1bde3d67 100644
--- a/magic_uv/ui/view3d_copy_paste_uv_editmode.py
+++ b/magic_uv/ui/view3d_copy_paste_uv_editmode.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/view3d_copy_paste_uv_objectmode.py b/magic_uv/ui/view3d_copy_paste_uv_objectmode.py
index b4fb3934e7fb5cbaf4b945e45c42ead5ee1157e7..1153bedd4280eb7e18d0791468ed4fb51bf50e7e 100644
--- a/magic_uv/ui/view3d_copy_paste_uv_objectmode.py
+++ b/magic_uv/ui/view3d_copy_paste_uv_objectmode.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/view3d_uv_manipulation.py b/magic_uv/ui/view3d_uv_manipulation.py
index dde58266ea124452b03377dc74ab6e4ebc231996..5e7ae28aba654f7dd66f17b47f340b825ceffa75 100644
--- a/magic_uv/ui/view3d_uv_manipulation.py
+++ b/magic_uv/ui/view3d_uv_manipulation.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/ui/view3d_uv_mapping.py b/magic_uv/ui/view3d_uv_mapping.py
index 22d20b4f3be8bc79bda7423760c141ac1680abd9..1fd05dffac89c0e7e1594d568fdfbf0529dd540d 100644
--- a/magic_uv/ui/view3d_uv_mapping.py
+++ b/magic_uv/ui/view3d_uv_mapping.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/utils/__init__.py b/magic_uv/utils/__init__.py
index 87c6eacbc1b7ec20128def21818b27d449fc6cf1..22ed284a3fc13cb6ac9f4b7f498eba59b403b131 100644
--- a/magic_uv/utils/__init__.py
+++ b/magic_uv/utils/__init__.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/utils/bl_class_registry.py b/magic_uv/utils/bl_class_registry.py
index 93f29244709f4cce93f4ead3ab061695c9142e6e..56ee91eb0a4061ee0acad1be70679c530df5b964 100644
--- a/magic_uv/utils/bl_class_registry.py
+++ b/magic_uv/utils/bl_class_registry.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/utils/compatibility.py b/magic_uv/utils/compatibility.py
index d17f2c66fc69fa585d7aeb0ddc571c59c7b077fa..cc8813e58b9ca943da39ce21211f157c01e70008 100644
--- a/magic_uv/utils/compatibility.py
+++ b/magic_uv/utils/compatibility.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/magic_uv/utils/property_class_registry.py b/magic_uv/utils/property_class_registry.py
index ef4f587269fe873b118c17065ac59c952cd1c91f..62cba90328dddb5bdbbfee7d1dbf5c367d989963 100644
--- a/magic_uv/utils/property_class_registry.py
+++ b/magic_uv/utils/property_class_registry.py
@@ -1,22 +1,6 @@
-# <pep8-80 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# <pep8-80 compliant>
__author__ = "Nutti <nutti.metro@gmail.com>"
__status__ = "production"
diff --git a/materials_library_vx/__init__.py b/materials_library_vx/__init__.py
index 60abb02b2601be3c8bb9da7f0bd30270bf914932..03d4f0cdd6ff88306ea1909a5e0499afa54ca348 100644
--- a/materials_library_vx/__init__.py
+++ b/materials_library_vx/__init__.py
@@ -1,22 +1,4 @@
-# -*- coding:utf-8 -*-
-
-# #####BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #####END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Material Library",
diff --git a/materials_utils/__init__.py b/materials_utils/__init__.py
index 84b10fc1932f8180cb72a399f6424aed65bb828f..d684ce35de0fa16c4d076501650aa617c4f34ba4 100644
--- a/materials_utils/__init__.py
+++ b/materials_utils/__init__.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# Material Utilities v2.2.0-Beta
#
# Usage: Shift + Q in the 3D viewport
@@ -12,25 +14,6 @@
# (some code thanks to: CoDEmanX, SynaGl0w, ideasman42)
# Link to base names: Sybren, Texture renamer: Yadoob
# ###
-#
-#
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
bl_info = {
"name": "Material Utilities",
diff --git a/measureit/__init__.py b/measureit/__init__.py
index 82e0058983f6561f37dea524c5712eeab420cc80..c0bf066b5ab9621aa71ada6542bcd8206ff81b47 100644
--- a/measureit/__init__.py
+++ b/measureit/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/measureit/measureit_geometry.py b/measureit/measureit_geometry.py
index dbb9edd7a66127e98d3baaefed75226473f31462..f9cdf5a863c3e7f583197ae7b77e372c1b2739d4 100644
--- a/measureit/measureit_geometry.py
+++ b/measureit/measureit_geometry.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/measureit/measureit_main.py b/measureit/measureit_main.py
index 233501b61878a632e8d9cefecf0002c0ec5cca7e..b93ff1ab032ca7515df5f4d7c81147d5bcbfe916 100644
--- a/measureit/measureit_main.py
+++ b/measureit/measureit_main.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/measureit/measureit_render.py b/measureit/measureit_render.py
index a298fbd111970c05d7081fd072a0b568f3bd7f6e..edb4c05ac4fb1a1c1d2d79b387cfc5c405c856d7 100644
--- a/measureit/measureit_render.py
+++ b/measureit/measureit_render.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_bsurfaces.py b/mesh_bsurfaces.py
index ef2a88c819ec11d85ea806b61054239672e35666..58ddd7aaed4214692ee87fea6f15658c23a8da4d 100644
--- a/mesh_bsurfaces.py
+++ b/mesh_bsurfaces.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
diff --git a/mesh_f2.py b/mesh_f2.py
index 9829d3bc37e5529136123bed35026025f436ac00..f412828400ca90b2dc878acd5cd466e9b4398fcc 100644
--- a/mesh_f2.py
+++ b/mesh_f2.py
@@ -1,22 +1,6 @@
-# Updated for 2.8 jan 5 2019
+# SPDX-License-Identifier: GPL-2.0-or-later
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# Updated for 2.8 jan 5 2019
# <pep8 compliant>
diff --git a/mesh_inset/__init__.py b/mesh_inset/__init__.py
index 74148dfee7421a06be9037d48251468ee0a67b0a..2f769dacff3ea3eb547f71c200e6e09ecb24a386 100644
--- a/mesh_inset/__init__.py
+++ b/mesh_inset/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_inset/geom.py b/mesh_inset/geom.py
index 4d3e652be3c86ae9a0dc9f636f54412f58612308..f9c83253dad4a1ecc6211e1961692ccf098db6a9 100644
--- a/mesh_inset/geom.py
+++ b/mesh_inset/geom.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_inset/model.py b/mesh_inset/model.py
index 446a7c4cb10ab7e54122039cfcb40fb8faf7b1ec..476cb8c0325ed6cc55ea1c5d822ed799dc0b3a60 100644
--- a/mesh_inset/model.py
+++ b/mesh_inset/model.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_inset/offset.py b/mesh_inset/offset.py
index 6bc817875d3cb82b4a90a5a12d701ca479e280e3..da4adaadcc7579cea5237fb6a2938f8a6d0cf726 100644
--- a/mesh_inset/offset.py
+++ b/mesh_inset/offset.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_inset/triquad.py b/mesh_inset/triquad.py
index 1a5c266f061921536af533a41d76b81fad160516..af1a91534fc534f647c6902c9206857aa360bc09 100644
--- a/mesh_inset/triquad.py
+++ b/mesh_inset/triquad.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_looptools.py b/mesh_looptools.py
index 3927c886995f8c215d52ba0e7196a6146cadaa73..4a874a794338d75cac022b4c0edaf343df002558 100644
--- a/mesh_looptools.py
+++ b/mesh_looptools.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
# Contributed to Germano Cavalcante (mano-wii), Florian Meyer (testscreenings),
# Brendon Murphy (meta-androcto),
# Maintainer: Vladimir Spivak (cwolf3d)
diff --git a/mesh_snap_utilities_line/__init__.py b/mesh_snap_utilities_line/__init__.py
index c3b9a5efa15541f690cb11c1fb08497c466b0423..29a9a1a4013a7814f1a12c938918ea63fb411a72 100644
--- a/mesh_snap_utilities_line/__init__.py
+++ b/mesh_snap_utilities_line/__init__.py
@@ -1,19 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Contact for more information about the Addon:
# Email: germano.costa@ig.com.br
diff --git a/mesh_snap_utilities_line/common_classes.py b/mesh_snap_utilities_line/common_classes.py
index 3068100a9b4085dff9e829ef124cc55e425b8185..0e921dc615d31d48e0e0261f9bd0404ac74fbbda 100644
--- a/mesh_snap_utilities_line/common_classes.py
+++ b/mesh_snap_utilities_line/common_classes.py
@@ -1,19 +1,5 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
import bpy
from mathutils import (
diff --git a/mesh_snap_utilities_line/common_utilities.py b/mesh_snap_utilities_line/common_utilities.py
index 9c63c3f2e12596ff6806c04add3593d1b69b6ff6..447265d8dd5f168e920cb092b9c270163ff73c2b 100644
--- a/mesh_snap_utilities_line/common_utilities.py
+++ b/mesh_snap_utilities_line/common_utilities.py
@@ -1,19 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
#python tip: from-imports don't save memory.
#They execute and cache the entire module just like a regular import.
diff --git a/mesh_snap_utilities_line/drawing_utilities.py b/mesh_snap_utilities_line/drawing_utilities.py
index b4e53a00926c5302e3c6ef2319a45e61e7f08510..e2141cbc6ed09ed63114c411adc8ed4a6ca61a6f 100644
--- a/mesh_snap_utilities_line/drawing_utilities.py
+++ b/mesh_snap_utilities_line/drawing_utilities.py
@@ -1,19 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import gpu
from mathutils import Vector, Matrix
diff --git a/mesh_snap_utilities_line/navigation_ops.py b/mesh_snap_utilities_line/navigation_ops.py
index f08364d8d9140f7b23f422ed96cbd56d2af3d7f3..d92dcb5819391c1554d15ccd8493ff43c5c22cdf 100644
--- a/mesh_snap_utilities_line/navigation_ops.py
+++ b/mesh_snap_utilities_line/navigation_ops.py
@@ -1,19 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/mesh_snap_utilities_line/op_line.py b/mesh_snap_utilities_line/op_line.py
index f768791113ee5529e3cc8588ff35de26a0ea8181..2a0d9953e8147b959860ff54f429dad782585137 100644
--- a/mesh_snap_utilities_line/op_line.py
+++ b/mesh_snap_utilities_line/op_line.py
@@ -1,19 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import bmesh
diff --git a/mesh_snap_utilities_line/preferences.py b/mesh_snap_utilities_line/preferences.py
index 98a213bed76cf7b3798c02bf303a7ce005c28847..2336de9021fd7696c214c0be81d4a8b5eb4dfa77 100644
--- a/mesh_snap_utilities_line/preferences.py
+++ b/mesh_snap_utilities_line/preferences.py
@@ -1,19 +1,5 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
import bpy
from bpy.props import (
diff --git a/mesh_snap_utilities_line/snap_context_l/__init__.py b/mesh_snap_utilities_line/snap_context_l/__init__.py
index 5b4d14bb69fabbb1dd8b9a2f6c5f7eeeda77881e..2bb51ea3e38db61ddc9ef8b15167030798b0f992 100644
--- a/mesh_snap_utilities_line/snap_context_l/__init__.py
+++ b/mesh_snap_utilities_line/snap_context_l/__init__.py
@@ -1,19 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
__all__ = ("SnapContext",)
import gpu
diff --git a/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py b/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py
index 679ee9327ad2ce23ae6b53223e6bbf0cf790d253..e0f95bd14fcf23a91d8871c5cd5e511dc223e5f4 100644
--- a/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py
+++ b/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py
@@ -1,19 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
import gpu
import bmesh
from mathutils import Matrix
diff --git a/mesh_snap_utilities_line/snap_context_l/utils_projection.py b/mesh_snap_utilities_line/snap_context_l/utils_projection.py
index b941f7db366fdb56632af8de34247705bd196c36..b495b057e8462d4a2e1eddc76d7463525e35d720 100644
--- a/mesh_snap_utilities_line/snap_context_l/utils_projection.py
+++ b/mesh_snap_utilities_line/snap_context_l/utils_projection.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
-
+# SPDX-License-Identifier: GPL-2.0-or-later
from mathutils import Vector
from mathutils.geometry import intersect_point_line
diff --git a/mesh_snap_utilities_line/widgets.py b/mesh_snap_utilities_line/widgets.py
index 98edf5f3c5ee696b9b098c79d03f21c3f36557c6..36be306bbc30cbdb0a829f0b6798b57c1fe8b318 100644
--- a/mesh_snap_utilities_line/widgets.py
+++ b/mesh_snap_utilities_line/widgets.py
@@ -1,19 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/mesh_tiny_cad/BIX.py b/mesh_tiny_cad/BIX.py
index 89908f607ecffffb4e3c8317c6a60b147d4439e8..b88484464f367938e0ac01727e1d3152b04390da 100644
--- a/mesh_tiny_cad/BIX.py
+++ b/mesh_tiny_cad/BIX.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/CCEN.py b/mesh_tiny_cad/CCEN.py
index f97ca84b3d00b55e2074b09685fe37841eb4c1ab..d0b247bbb85532fcc8feabec680fca3f7522a22e 100644
--- a/mesh_tiny_cad/CCEN.py
+++ b/mesh_tiny_cad/CCEN.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/CFG.py b/mesh_tiny_cad/CFG.py
index 9eb02a2979527cf522883cbf630926c7e90769dc..5d5077bfab6c1fe4e520c7b6afcf7291c98afb05 100644
--- a/mesh_tiny_cad/CFG.py
+++ b/mesh_tiny_cad/CFG.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/E2F.py b/mesh_tiny_cad/E2F.py
index 33ac79f39cd633daeb2050494b0b20c9bac5b293..a5152e8aee19e991ec379b49371658f6028c4d06 100644
--- a/mesh_tiny_cad/E2F.py
+++ b/mesh_tiny_cad/E2F.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/V2X.py b/mesh_tiny_cad/V2X.py
index c8683297d292fb179f411d0e9e679ab979fde228..4d2bc9ea5efb8c120932f13569f976e24bf2a093 100644
--- a/mesh_tiny_cad/V2X.py
+++ b/mesh_tiny_cad/V2X.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/VTX.py b/mesh_tiny_cad/VTX.py
index fbd0bc285c9179557a629121babe5b7863a4c680..4aa0cefc36be30974ff99dfe59f02cc441872cea 100644
--- a/mesh_tiny_cad/VTX.py
+++ b/mesh_tiny_cad/VTX.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/XALL.py b/mesh_tiny_cad/XALL.py
index a240c56f006384cd3e7722d3fa0bddf92ba69d0d..c369d49cde466b4f5a1ce02bc17fe4ff99c605e8 100644
--- a/mesh_tiny_cad/XALL.py
+++ b/mesh_tiny_cad/XALL.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/__init__.py b/mesh_tiny_cad/__init__.py
index e6d5d6287e42c2409dc29cfbf25c26889ad6f0e8..42e76c1bce43a17e42117da221cc409424e0ae51 100644
--- a/mesh_tiny_cad/__init__.py
+++ b/mesh_tiny_cad/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tiny_cad/cad_module.py b/mesh_tiny_cad/cad_module.py
index 575a6896f31ed80333178383f93d325124d6afba..330cd978b1061fd253418370a8cb8109066e55d0 100644
--- a/mesh_tiny_cad/cad_module.py
+++ b/mesh_tiny_cad/cad_module.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tissue/__init__.py b/mesh_tissue/__init__.py
index 34faef58652eb42ddc1ed3c7241497fef0511caa..0d777f505bb7389368c820312d28e39902861f92 100644
--- a/mesh_tissue/__init__.py
+++ b/mesh_tissue/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# --------------------------------- TISSUE ----------------------------------- #
# ------------------------------- version 0.3 -------------------------------- #
diff --git a/mesh_tissue/colors_groups_exchanger.py b/mesh_tissue/colors_groups_exchanger.py
index fb600496d9633fef3257d0e6543d082bf44b8680..98427477513acf63b2eef7d070a12bf4c9d741b3 100644
--- a/mesh_tissue/colors_groups_exchanger.py
+++ b/mesh_tissue/colors_groups_exchanger.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
#-------------------------- COLORS / GROUPS EXCHANGER -------------------------#
# #
diff --git a/mesh_tissue/dual_mesh.py b/mesh_tissue/dual_mesh.py
index 404d5ef5f90a03c5c89e94cec427f8cd19ebf9c1..c33cb3231b0b7b76568587ca73c9c055dabe1bbd 100644
--- a/mesh_tissue/dual_mesh.py
+++ b/mesh_tissue/dual_mesh.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# --------------------------------- DUAL MESH -------------------------------- #
# -------------------------------- version 0.3 ------------------------------- #
diff --git a/mesh_tissue/lattice.py b/mesh_tissue/lattice.py
index 4e3983329fcafc4ed53d2199043739a9eb1fe32c..296ad91a495fb94925cb3dbfe9644b78391d9dd8 100644
--- a/mesh_tissue/lattice.py
+++ b/mesh_tissue/lattice.py
@@ -1,20 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# --------------------------- LATTICE ALONG SURFACE -------------------------- #
# -------------------------------- version 0.3 ------------------------------- #
# #
diff --git a/mesh_tissue/numba_functions.py b/mesh_tissue/numba_functions.py
index 62c7dc22dbf6f16c2fbd54b55d34300f47547df9..5edc617678122a1b590099ce44a48bbd26191eb0 100644
--- a/mesh_tissue/numba_functions.py
+++ b/mesh_tissue/numba_functions.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import numpy as np
try:
diff --git a/mesh_tissue/tessellate_numpy.py b/mesh_tissue/tessellate_numpy.py
index a428cea6c5a6688cf8d182b31f6c9078d07fa6c3..555bb879b3bf3925ef39949addc09042fb71357c 100644
--- a/mesh_tissue/tessellate_numpy.py
+++ b/mesh_tissue/tessellate_numpy.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# ---------------------------- ADAPTIVE DUPLIFACES --------------------------- #
# ------------------------------- version 0.84 ------------------------------- #
diff --git a/mesh_tissue/utils.py b/mesh_tissue/utils.py
index 8e343feaffd4a2d1d89e80dbe97392983a2833fe..f98bc6d02d7df9ba925f4e44850eadf92dee31b7 100644
--- a/mesh_tissue/utils.py
+++ b/mesh_tissue/utils.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import threading
diff --git a/mesh_tissue/uv_to_mesh.py b/mesh_tissue/uv_to_mesh.py
index 2e9d69289e76d8584a12b3d4d2bdcdc3551a07bd..9f3db3b7690eaeaf4be48846ac265c4d78f08b94 100644
--- a/mesh_tissue/uv_to_mesh.py
+++ b/mesh_tissue/uv_to_mesh.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# --------------------------------- UV to MESH ------------------------------- #
# -------------------------------- version 0.1.1 ----------------------------- #
diff --git a/mesh_tools/__init__.py b/mesh_tools/__init__.py
index ff9a60bdb07516c6ddb23217e812678abffe464e..022d649fd214a237ab12f55e0d2ba7b6ad7e0ee3 100644
--- a/mesh_tools/__init__.py
+++ b/mesh_tools/__init__.py
@@ -1,25 +1,10 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
# Contributed to by:
# meta-androcto, Hidesato Ikeya, zmj100, Gert De Roost, TrumanBlending, PKHG, #
# Oscurart, Greg, Stanislav Blinov, komi3D, BlenderLab, Paul Marshall (brikbot), #
# metalliandy, macouno, CoDEmanX, dustractor, Liero, lijenstina, Germano Cavalcante #
-# Pistiwique, Jimmy Hazevoet #
+# Pistiwique, Jimmy Hazevoet
bl_info = {
"name": "Edit Mesh Tools",
diff --git a/mesh_tools/face_inset_fillet.py b/mesh_tools/face_inset_fillet.py
index 8af709c1812ee5a77d919bb8146f21e41d009795..a236f26879263cf619db975f31b0f41d26e66ba9 100644
--- a/mesh_tools/face_inset_fillet.py
+++ b/mesh_tools/face_inset_fillet.py
@@ -1,22 +1,4 @@
-# -*- coding: utf-8 -*-
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# based completely on addon by zmj100
# added some distance limits to prevent overlap - max12345
diff --git a/mesh_tools/mesh_edge_roundifier.py b/mesh_tools/mesh_edge_roundifier.py
index 994d2b6f4394429cb3fc3a2d9086a7238d563bb9..7e1874e2fd5e9edf7104258387950e7924eb4b9a 100644
--- a/mesh_tools/mesh_edge_roundifier.py
+++ b/mesh_tools/mesh_edge_roundifier.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Edge Roundifier",
diff --git a/mesh_tools/mesh_edges_floor_plan.py b/mesh_tools/mesh_edges_floor_plan.py
index a23cf73d8bb3ae2428b26af6f6419c5c2d62c101..bff943d23ea4275d04236a97f979f4f6ec2ee201 100644
--- a/mesh_tools/mesh_edges_floor_plan.py
+++ b/mesh_tools/mesh_edges_floor_plan.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# based upon the functionality of Mesh to wall by luxuy_BlenderCN
# thanks to meta-androcto
diff --git a/mesh_tools/mesh_edgetools.py b/mesh_tools/mesh_edgetools.py
index b9b619581f0673aaf14dc42e7d4935aeef5dc580..90c46fef986a70f7803f18fa552f8e69add13935 100644
--- a/mesh_tools/mesh_edgetools.py
+++ b/mesh_tools/mesh_edgetools.py
@@ -1,22 +1,7 @@
-# The Blender Edgetools is to bring CAD tools to Blender.
-# Copyright (C) 2012 Paul Marshall
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2012 Paul Marshall.
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# The Blender Edgetools is to bring CAD tools to Blender.
# <pep8 compliant>
diff --git a/mesh_tools/mesh_extrude_and_reshape.py b/mesh_tools/mesh_extrude_and_reshape.py
index ee26cdcde9ee2083e24d9e434b3ca6489e69a302..3776f79ca6e02e919fdcad925fd34a8635c0a2d5 100644
--- a/mesh_tools/mesh_extrude_and_reshape.py
+++ b/mesh_tools/mesh_extrude_and_reshape.py
@@ -1,19 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Contact for more information about the Addon:
# Email: germano.costa@ig.com.br
diff --git a/mesh_tools/mesh_filletplus.py b/mesh_tools/mesh_filletplus.py
index 73e6219882c6c6402431d112f352575346c13844..c2ee13d58e30b69485d982d4ee78b8d88d3b3105 100644
--- a/mesh_tools/mesh_filletplus.py
+++ b/mesh_tools/mesh_filletplus.py
@@ -1,22 +1,4 @@
-# -*- coding: utf-8 -*-
-
-# ##### END GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "FilletPlus",
diff --git a/mesh_tools/mesh_mextrude_plus.py b/mesh_tools/mesh_mextrude_plus.py
index eea04a51299f6fb0e1b52405b7a3ee7a2d97db8c..c811db51805a7f66590f39d246305af1169c50a1 100644
--- a/mesh_tools/mesh_mextrude_plus.py
+++ b/mesh_tools/mesh_mextrude_plus.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Repeats extrusion + rotation + scale for one or more faces
# Original code by liero
diff --git a/mesh_tools/mesh_offset_edges.py b/mesh_tools/mesh_offset_edges.py
index d2c888672665001d6fb6536349a9b6632c2a7733..b2559baff5594dd1ec299ae313aa871243d927ab 100644
--- a/mesh_tools/mesh_offset_edges.py
+++ b/mesh_tools/mesh_offset_edges.py
@@ -1,21 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Offset Edges",
diff --git a/mesh_tools/mesh_relax.py b/mesh_tools/mesh_relax.py
index 03547769eb868892454589bc45e612abae279c24..119cc3682bdbfaebb4a7acea14119226b862dc36 100644
--- a/mesh_tools/mesh_relax.py
+++ b/mesh_tools/mesh_relax.py
@@ -1,25 +1,7 @@
-# mesh_relax.py Copyright (C) 2010, Fabian Fricke
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2010 Fabian Fricke.
+
# Relaxes selected vertices while retaining the shape as much as possible
-#
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
bl_info = {
"name": "Relax",
diff --git a/mesh_tools/mesh_vertex_chamfer.py b/mesh_tools/mesh_vertex_chamfer.py
index e43d0729fffce3c61bc65df64c3833b3745eac33..860d54a40568ffe8157e323f27aa441858289bcc 100644
--- a/mesh_tools/mesh_vertex_chamfer.py
+++ b/mesh_tools/mesh_vertex_chamfer.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/mesh_tools/pkhg_faces.py b/mesh_tools/pkhg_faces.py
index 93a05209521c79778679c2be24bb86b48511eb3e..1e9ee349a4bc482f9f71a2ed666ec9a49ace90ad 100644
--- a/mesh_tools/pkhg_faces.py
+++ b/mesh_tools/pkhg_faces.py
@@ -1,4 +1,4 @@
-# gpl author: PHKG
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "PKHG faces",
diff --git a/mesh_tools/random_vertices.py b/mesh_tools/random_vertices.py
index 8025b5779e5c76028c18f2958365fcf16a13bc7f..ad6d8b4152a2e22ebd3046dfa4cfb32457cc31c2 100644
--- a/mesh_tools/random_vertices.py
+++ b/mesh_tools/random_vertices.py
@@ -1,4 +1,4 @@
-# gpl authors: Oscurart, Greg
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Random Vertices",
diff --git a/mesh_tools/split_solidify.py b/mesh_tools/split_solidify.py
index 1ac952bcb1358e8d208f9aacc854b58f5b9fafa9..116c7acff7fd77d1122e5602c231f455541e2041 100644
--- a/mesh_tools/split_solidify.py
+++ b/mesh_tools/split_solidify.py
@@ -1,22 +1,4 @@
-# -*- coding: utf-8 -*-
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Split Solidify",
diff --git a/mesh_tools/vertex_align.py b/mesh_tools/vertex_align.py
index 41d09a71295342fb69f5579a8afff901cae36e31..ec1c812b245e8c0de23c9341c5db1f8dd4af1237 100644
--- a/mesh_tools/vertex_align.py
+++ b/mesh_tools/vertex_align.py
@@ -1,22 +1,4 @@
-# -*- coding: utf-8 -*-
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Note: Property group was moved to __init__
diff --git a/node_arrange.py b/node_arrange.py
index bab8b333ecf94acb15b131595d6ff560805f3b5f..fda2b43a74556e68673a88fb406564a0baba16bb 100644
--- a/node_arrange.py
+++ b/node_arrange.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Node Arrange",
diff --git a/node_presets.py b/node_presets.py
index dd15981499dcf6bd03f3c0758474fa7495d8638c..16bebd592facef56fb107bad87e7dea60538b079 100644
--- a/node_presets.py
+++ b/node_presets.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Node Presets",
diff --git a/node_wrangler.py b/node_wrangler.py
index c9a31e1f77e9fc6d3a449c0e9dbb5ef6de9a991d..05af47d6216ec57bf1360f869996725d11c4b90e 100644
--- a/node_wrangler.py
+++ b/node_wrangler.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Node Wrangler",
diff --git a/object_boolean_tools.py b/object_boolean_tools.py
index 05a9cf23dd59bc6385f6dceb0a4960f0a10218ba..faa93b12c508109fa22d8346bc08947a3ff324db 100644
--- a/object_boolean_tools.py
+++ b/object_boolean_tools.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/object_carver/__init__.py b/object_carver/__init__.py
index 2ccda3e78b51caafe2f39b9e5cdd709b1bd0ca13..7c86c2fe3f225206d1cef22fafb4ef7f06c15028 100644
--- a/object_carver/__init__.py
+++ b/object_carver/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Carver",
diff --git a/object_collection_manager/__init__.py b/object_collection_manager/__init__.py
index 53004bacef4ee9ed65a1caf24d60a29a00464334..2359b8df1cc914b1d1c1b6bd4a7c1719def529f9 100644
--- a/object_collection_manager/__init__.py
+++ b/object_collection_manager/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/cm_init.py b/object_collection_manager/cm_init.py
index a60747a8e1bcc501ecc2ceae80ad9214874e29c4..39c7ede8be1f169172cf2bf25bad9239339e4267 100644
--- a/object_collection_manager/cm_init.py
+++ b/object_collection_manager/cm_init.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/internals.py b/object_collection_manager/internals.py
index 1d159ecaa192a1d6512a1555ee5ff4e5c7afce9d..c616645fa293e021e924e01831b0ca022384c5eb 100644
--- a/object_collection_manager/internals.py
+++ b/object_collection_manager/internals.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/operator_utils.py b/object_collection_manager/operator_utils.py
index ec72fdb4604f9cee000892c05b7d955d0ac56d1a..51b4385d551b24f368ceb0003f71a2f39c8cefbf 100644
--- a/object_collection_manager/operator_utils.py
+++ b/object_collection_manager/operator_utils.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
import bpy
diff --git a/object_collection_manager/operators.py b/object_collection_manager/operators.py
index 55ca3a62497d7ff208d6f8d3c644a27de2dcb3d3..0b2b9cbfd834dca7d4f06bc00012adbe1c7ab2bf 100644
--- a/object_collection_manager/operators.py
+++ b/object_collection_manager/operators.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/persistent_data.py b/object_collection_manager/persistent_data.py
index 80399db564c2ae38c46bb32b53a120ef15342e28..5a7c2828aab61be424bca601e69e7d3244a6d5b3 100644
--- a/object_collection_manager/persistent_data.py
+++ b/object_collection_manager/persistent_data.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/preferences.py b/object_collection_manager/preferences.py
index 53f4bacc0bde4d88c23de7b4b346a2e46680f6df..0b8a71c55310ca87b26d41304b6cee0b14bbc9f1 100644
--- a/object_collection_manager/preferences.py
+++ b/object_collection_manager/preferences.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/qcd_init.py b/object_collection_manager/qcd_init.py
index ed235a638476f56c2121802edcea5ca8e619dd74..a9e392cc945e64f9f6298ded0266a1063cbca75b 100644
--- a/object_collection_manager/qcd_init.py
+++ b/object_collection_manager/qcd_init.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/qcd_move_widget.py b/object_collection_manager/qcd_move_widget.py
index 17add9072acfbf3fcbfeffcd4fc6e66486f0fe50..55da145319568bf6efba0883398f9687c24946cb 100644
--- a/object_collection_manager/qcd_move_widget.py
+++ b/object_collection_manager/qcd_move_widget.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/qcd_operators.py b/object_collection_manager/qcd_operators.py
index 0fdf10455039d0536a2732ca133e6af546be5b88..be517fe13ed733bd5681c193663e96f30cbf2e25 100644
--- a/object_collection_manager/qcd_operators.py
+++ b/object_collection_manager/qcd_operators.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_collection_manager/ui.py b/object_collection_manager/ui.py
index ec2c7354f55206283e740e2b319ba5a09de70db8..25987b25ae179b290ea7adc8dd0bad8a0d13f6a7 100644
--- a/object_collection_manager/ui.py
+++ b/object_collection_manager/ui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2011, Ryan Inch
diff --git a/object_color_rules.py b/object_color_rules.py
index 1d60e2957d8331b22e92186b8da4f24f03a95c78..52011366a8523fce4dbd6f7938455695f0abd743 100644
--- a/object_color_rules.py
+++ b/object_color_rules.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Object Color Rules",
diff --git a/object_edit_linked.py b/object_edit_linked.py
index 386e5c0c3e3bbcf9d9115ef0da12d23a023919de..f7177766fbfa6b81681d46babea1b78f7b15759c 100644
--- a/object_edit_linked.py
+++ b/object_edit_linked.py
@@ -1,21 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Edit Linked Library",
diff --git a/object_fracture_cell/__init__.py b/object_fracture_cell/__init__.py
index ea4f0d2b8d0ff3cfcd468950e3171cac5c831f00..68d887a5bebdd2d3537136d46f0137a80c859d9a 100644
--- a/object_fracture_cell/__init__.py
+++ b/object_fracture_cell/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Cell Fracture",
diff --git a/object_fracture_cell/fracture_cell_calc.py b/object_fracture_cell/fracture_cell_calc.py
index 9e6f0de5fa04345c28394b9849a6a49c6bd91548..98bba36dc51c5847a0b82a7ff37f742ec9af3cb5 100644
--- a/object_fracture_cell/fracture_cell_calc.py
+++ b/object_fracture_cell/fracture_cell_calc.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/object_fracture_cell/fracture_cell_setup.py b/object_fracture_cell/fracture_cell_setup.py
index f083af2fe7e5e6ac4cedcf4dca17086fae435981..3720a171fa05da00265e2b68eee96e8c0f650a1a 100644
--- a/object_fracture_cell/fracture_cell_setup.py
+++ b/object_fracture_cell/fracture_cell_setup.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/object_print3d_utils/__init__.py b/object_print3d_utils/__init__.py
index 80ddb64eca341731d2b0cea94d52c68f79d15247..3019fd408545334f34f6a0818eea502287df18cb 100644
--- a/object_print3d_utils/__init__.py
+++ b/object_print3d_utils/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/object_print3d_utils/export.py b/object_print3d_utils/export.py
index 2f846aaff1db5ee581644d006c1bcc5302822303..a73b2fdee31a5de301990d7eb732cb1b2b6f19d7 100644
--- a/object_print3d_utils/export.py
+++ b/object_print3d_utils/export.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/object_print3d_utils/mesh_helpers.py b/object_print3d_utils/mesh_helpers.py
index 948a3bc7d77585482b6e64603c077f30321171d6..6ce5da5072352fe74d444078e8c4c8cd899eedd2 100644
--- a/object_print3d_utils/mesh_helpers.py
+++ b/object_print3d_utils/mesh_helpers.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/object_print3d_utils/operators.py b/object_print3d_utils/operators.py
index afc7b83d50c0d7568b1640a570ee86e1b84c577f..6da53219f6d7fe9923c9f19bd67496ff7fa2d659 100644
--- a/object_print3d_utils/operators.py
+++ b/object_print3d_utils/operators.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/object_print3d_utils/report.py b/object_print3d_utils/report.py
index 511c5e42c67dde8c379cbae2d11aad26a118dab2..633b65c787cd322ef72955fe1ddfff7cb5cfee9a 100644
--- a/object_print3d_utils/report.py
+++ b/object_print3d_utils/report.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/object_print3d_utils/ui.py b/object_print3d_utils/ui.py
index 6a0f6d6f559d662b4e48abdf529ec7bb6bd345c1..d08d60c2b2d313bfd34f3b990726c456e2a1f6c8 100644
--- a/object_print3d_utils/ui.py
+++ b/object_print3d_utils/ui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8-80 compliant>
diff --git a/object_scatter/__init__.py b/object_scatter/__init__.py
index ecf634d499111483e23649e6628d31be48f0c15a..12bc8ca020bccebc51dfcfcf4a5bd798a4b626f6 100644
--- a/object_scatter/__init__.py
+++ b/object_scatter/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Scatter Objects",
diff --git a/object_scatter/operator.py b/object_scatter/operator.py
index c1cf0e13a235a81176dc368cecbfe510900b7fd5..07bf3884de1e05f21366e9c4706525c5b70bec8e 100644
--- a/object_scatter/operator.py
+++ b/object_scatter/operator.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import gpu
diff --git a/object_scatter/ui.py b/object_scatter/ui.py
index 1bf1acd9719c2139a1bf2d84b02a2fae25a2435c..5275260778ed02f49b4d657ef232d20517db993e 100644
--- a/object_scatter/ui.py
+++ b/object_scatter/ui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import math
diff --git a/object_skinify.py b/object_skinify.py
index f102d8cf60ea871c9d4d0097229e331280885ce0..e8f57b415bc70c0a88e5ccb56d4245598f6c24e3 100644
--- a/object_skinify.py
+++ b/object_skinify.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Skinify Rig",
diff --git a/paint_palette.py b/paint_palette.py
index 10b8fe31ad3b25a18378f74443cfc3776d3f9761..789ab5626d1bdda1826c7cda094b00971851ed0e 100644
--- a/paint_palette.py
+++ b/paint_palette.py
@@ -1,23 +1,5 @@
-# paint_palette.py (c) 2011 Dany Lebel (Axon_D)
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2011 Dany Lebel (Axon_D)
bl_info = {
"name": "Paint Palettes",
diff --git a/pose_library/__init__.py b/pose_library/__init__.py
index a1820cf0caa9536c2bd3f8cb661d4507a9449981..33ca777f841699e5270e731f0a01fe87d3266253 100644
--- a/pose_library/__init__.py
+++ b/pose_library/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library based on the Asset Browser.
diff --git a/pose_library/conversion.py b/pose_library/conversion.py
index 43a5d3a403f68f0d981239fa7cbafe1d83e325f7..8955eb6dfaf766dfdb26997377ef104b4d43523f 100644
--- a/pose_library/conversion.py
+++ b/pose_library/conversion.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library - Conversion of old pose libraries.
diff --git a/pose_library/functions.py b/pose_library/functions.py
index d2e210a7f9469f3c8269ef5ed0abb5c5fee92c05..d9a85fd73bbc933b0fbc58683e8a4aeeadf6bd67 100644
--- a/pose_library/functions.py
+++ b/pose_library/functions.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library - functions.
diff --git a/pose_library/gui.py b/pose_library/gui.py
index c31d8ca1606ea64a7cf984c35bd363217c3b2c7e..364ec07e39a572e7ff5a79a2d142ece912d10e74 100644
--- a/pose_library/gui.py
+++ b/pose_library/gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library - GUI definition.
diff --git a/pose_library/keymaps.py b/pose_library/keymaps.py
index 87ccf57236eaee94c0b0640dccdfc67255b280a1..72fb3ce63f4d3b68c4c4c0dde4ac262ca6e5caf8 100644
--- a/pose_library/keymaps.py
+++ b/pose_library/keymaps.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
from typing import List, Tuple
diff --git a/pose_library/operators.py b/pose_library/operators.py
index 49e3b50b64398dc154e053fdb07d830dc7a9a781..1e8a1b5c15043ea7e95a20f478f5de26945e4332 100644
--- a/pose_library/operators.py
+++ b/pose_library/operators.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library - operators.
diff --git a/pose_library/pose_creation.py b/pose_library/pose_creation.py
index b2fbb4dd4531f1978ef29da4d6029a866751d028..0b1d086f4b53b7de7765538799ef555c8ffda699 100644
--- a/pose_library/pose_creation.py
+++ b/pose_library/pose_creation.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library - creation functions.
diff --git a/pose_library/pose_usage.py b/pose_library/pose_usage.py
index 7bc9377e01cf75e926355c75c81cc96046bf45c2..45a39e4df859b5d3d4484c1d232f79e5f3666143 100644
--- a/pose_library/pose_usage.py
+++ b/pose_library/pose_usage.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
"""
Pose Library - usage functions.
diff --git a/precision_drawing_tools/__init__.py b/precision_drawing_tools/__init__.py
index a39eb0b50da855acbf5913a0481a3576b71e9adf..cc041b7af0915bf61615bd211b81f92729ec7e9d 100644
--- a/precision_drawing_tools/__init__.py
+++ b/precision_drawing_tools/__init__.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# <pep8 compliant>
#
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_bix.py b/precision_drawing_tools/pdt_bix.py
index bf3e8ab8c47ec547a8c4f0fa6e3da1c5f540a333..2d5886fd9e2b396e886f1e94340969518f6abdef 100644
--- a/precision_drawing_tools/pdt_bix.py
+++ b/precision_drawing_tools/pdt_bix.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# <pep8 compliant>
#
# ----------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_cad_module.py b/precision_drawing_tools/pdt_cad_module.py
index fc1d46337b143a1761be3d8a6088027dbebb5c49..b68660ad8f511596e88c6b7435a64f3960b450c5 100644
--- a/precision_drawing_tools/pdt_cad_module.py
+++ b/precision_drawing_tools/pdt_cad_module.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your ointersect_pointion) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# <pep8 compliant>
#
# ----------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_command.py b/precision_drawing_tools/pdt_command.py
index 2baf3ca7e74a2b204cee0500f83998177ceec857..6e06e4a7c1b899b4b85c295c546e3b367fa69d07 100644
--- a/precision_drawing_tools/pdt_command.py
+++ b/precision_drawing_tools/pdt_command.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_command_functions.py b/precision_drawing_tools/pdt_command_functions.py
index 9980be87227dfc6f0157ec8a97ff0095629c4f2d..6ae88baf19c48a54ad6197fa48cd1dd8e82f5ddb 100644
--- a/precision_drawing_tools/pdt_command_functions.py
+++ b/precision_drawing_tools/pdt_command_functions.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_design.py b/precision_drawing_tools/pdt_design.py
index f254efa4be5c0d42014b73a0f130a2e6dd38edb2..ddb7fb3886f6ae24231ba938dc888cbda875fac2 100644
--- a/precision_drawing_tools/pdt_design.py
+++ b/precision_drawing_tools/pdt_design.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_etof.py b/precision_drawing_tools/pdt_etof.py
index 892bd6b2975bc7d5f901bebdd1a34479429d7f61..89ada0b6eb4bf7f61ad61958c3316bfc7242052d 100644
--- a/precision_drawing_tools/pdt_etof.py
+++ b/precision_drawing_tools/pdt_etof.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# <pep8 compliant>
#
# ----------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_exception.py b/precision_drawing_tools/pdt_exception.py
index 3d83bb944a680fa2f359a8220c9034a0fb9a0946..508fef84b93b062d7c059ed17aea5df1cf2a1d00 100644
--- a/precision_drawing_tools/pdt_exception.py
+++ b/precision_drawing_tools/pdt_exception.py
@@ -1,21 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
diff --git a/precision_drawing_tools/pdt_functions.py b/precision_drawing_tools/pdt_functions.py
index e426e3fa14d80c44c70d39525b38d1021dd3616d..66bf1de2f1e33684967f551320321e989b9ec739 100644
--- a/precision_drawing_tools/pdt_functions.py
+++ b/precision_drawing_tools/pdt_functions.py
@@ -1,21 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
+# SPDX-License-Identifier: GPL-2.0-or-later
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
diff --git a/precision_drawing_tools/pdt_library.py b/precision_drawing_tools/pdt_library.py
index f3855f4a1f1c23a536fea9c44b9346b8e7162166..7dbc1bec50c54b22f53a2c32a2453a79e6d18499 100644
--- a/precision_drawing_tools/pdt_library.py
+++ b/precision_drawing_tools/pdt_library.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_menus.py b/precision_drawing_tools/pdt_menus.py
index ca5551eacfd9839cbb5a89177d4241dd15398126..e4b9b1098aa762a67c5d72a04944a8aff8699fc1 100644
--- a/precision_drawing_tools/pdt_menus.py
+++ b/precision_drawing_tools/pdt_menus.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_msg_strings.py b/precision_drawing_tools/pdt_msg_strings.py
index 23099779326cbba9da49328c6ca3a0572edac4f0..7392b4917bd70adb40a2e096df76c62b9f16e717 100644
--- a/precision_drawing_tools/pdt_msg_strings.py
+++ b/precision_drawing_tools/pdt_msg_strings.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_pivot_point.py b/precision_drawing_tools/pdt_pivot_point.py
index 749417abe6531c6c95521bead70211b543e6df18..93a0c59bb7586b785cd31c60cfc6a5c65b3ac999 100644
--- a/precision_drawing_tools/pdt_pivot_point.py
+++ b/precision_drawing_tools/pdt_pivot_point.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_tangent.py b/precision_drawing_tools/pdt_tangent.py
index 6697a5a255c5388b136a962ec16254addbfaed14..88abd2d0ee0baafb790c30f38f81e97015e16188 100644
--- a/precision_drawing_tools/pdt_tangent.py
+++ b/precision_drawing_tools/pdt_tangent.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_trig_waves.py b/precision_drawing_tools/pdt_trig_waves.py
index 2409ca2f0e9b03091cd6bf37234e9d2ef843f0b2..84bc4b6fbd73623d414675574b29497567871c97 100644
--- a/precision_drawing_tools/pdt_trig_waves.py
+++ b/precision_drawing_tools/pdt_trig_waves.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
diff --git a/precision_drawing_tools/pdt_view.py b/precision_drawing_tools/pdt_view.py
index 835904956fe9d3204ada875b5a50189f480e2d57..c56b27afbea9c7a12bf78547791daf573dc8199d 100644
--- a/precision_drawing_tools/pdt_view.py
+++ b/precision_drawing_tools/pdt_view.py
@@ -1,22 +1,5 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
#
diff --git a/precision_drawing_tools/pdt_xall.py b/precision_drawing_tools/pdt_xall.py
index 97aae9c57bcfe19b2f5b97cf53931547749a48a5..9fe405d602bdbbccabb20a2d3684c885b9651890 100644
--- a/precision_drawing_tools/pdt_xall.py
+++ b/precision_drawing_tools/pdt_xall.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# <pep8 compliant>
#
# ----------------------------------------------------------
diff --git a/real_snow.py b/real_snow.py
index c0c51aebf9dd476fece026d0305ba336781f355b..d7290b3babb87495b9382b08140e4f43461688d1 100644
--- a/real_snow.py
+++ b/real_snow.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Real Snow",
diff --git a/render_copy_settings/__init__.py b/render_copy_settings/__init__.py
index ee445e71a98a0af4b51cd0bb13a83f4a1d7eaf0f..8ef62d3f87cf72e42308b4caadd817e4d9df6d73 100644
--- a/render_copy_settings/__init__.py
+++ b/render_copy_settings/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_copy_settings/data.py b/render_copy_settings/data.py
index 59b91fcce8569283ae09d020b956f08993b2d5eb..f517a20d5241f27768633a6eac309049175966de 100644
--- a/render_copy_settings/data.py
+++ b/render_copy_settings/data.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_copy_settings/operator.py b/render_copy_settings/operator.py
index 5de9bc3d7ec8563157e6be10e537e5e70d6f48b8..d097a35be1034322cc29a36b27f75d3eb8726e1b 100644
--- a/render_copy_settings/operator.py
+++ b/render_copy_settings/operator.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_copy_settings/panel.py b/render_copy_settings/panel.py
index 1e79bef7f162e85f6e4d350328e8f0d85b3ec711..e5dcd4b64c6d9d00ce57cb5833be432e14b5f858 100644
--- a/render_copy_settings/panel.py
+++ b/render_copy_settings/panel.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_copy_settings/presets.py b/render_copy_settings/presets.py
index 0fc53e3930904c5d73988060924ab0b8c7f320fa..e94cf8806c1882edc1865b17cec2149023b49651 100644
--- a/render_copy_settings/presets.py
+++ b/render_copy_settings/presets.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_copy_settings/translations.py b/render_copy_settings/translations.py
index f3b94a81824d90d3cd3043c8bd8a2c268006d7ca..f712669411984e68cc6e497eda254fe089b6f76b 100644
--- a/render_copy_settings/translations.py
+++ b/render_copy_settings/translations.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_freestyle_svg.py b/render_freestyle_svg.py
index cb27ae6409d8283c1537b50a5c6c1082b704fea9..4d49a1258dde583f11b4a62da9f0f0166c441739 100644
--- a/render_freestyle_svg.py
+++ b/render_freestyle_svg.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/__init__.py b/render_povray/__init__.py
index 472918952b0494dab2789d00ae7cea898eaf3d59..3d5e53156d7a8f556777c1760033fc17e83a8b23 100755
--- a/render_povray/__init__.py
+++ b/render_povray/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/base_ui.py b/render_povray/base_ui.py
index e0bbd9293aa31c61dde8e45e7edf8a3f8066a065..9dea60398183447712855650ffcd6f45b8e11b3f 100755
--- a/render_povray/base_ui.py
+++ b/render_povray/base_ui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/df3_library.py b/render_povray/df3_library.py
index b5525741503b146666b6462f5853a90180afc3b6..0249759502bfb09cc9a571ce5eda23ac4efca6f8 100755
--- a/render_povray/df3_library.py
+++ b/render_povray/df3_library.py
@@ -1,24 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2005 Mike Kost <contact@povray.tashcorp.net>
+
################################################################################
#
# df3.py
#
-# Copyright (C) 2005 Mike Kost <contact@povray.tashcorp.net>
-#
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-#
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this library; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-#
-#
# -----------------------------------------------------------------------------
#
# Creation functions
diff --git a/render_povray/object_curve_topology.py b/render_povray/object_curve_topology.py
index 1b30c618b9f6cc15ddb994347fb0937a8169f2af..2be6c3ded868c14e96c2a90f0c7fa918069b82bb 100755
--- a/render_povray/object_curve_topology.py
+++ b/render_povray/object_curve_topology.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/object_gui.py b/render_povray/object_gui.py
index ffedb6503fa9cf9f664403c29fa9755b2f410720..2033a0d46794782cd07e67a49035de2755de06c8 100755
--- a/render_povray/object_gui.py
+++ b/render_povray/object_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""User interface for the POV tools"""
diff --git a/render_povray/object_mesh_topology.py b/render_povray/object_mesh_topology.py
index e991070c0521b5a9fdae270381f2d18b24c0fef7..cad028a1ba1b5278a0d816b01fb21a2f1e4ae098 100755
--- a/render_povray/object_mesh_topology.py
+++ b/render_povray/object_mesh_topology.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/object_particles.py b/render_povray/object_particles.py
index 215a6f15cb5cc495ae352f26d640da02f3a1c22b..66477485b196ec208c012554019402651666b7f7 100755
--- a/render_povray/object_particles.py
+++ b/render_povray/object_particles.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""Get some Blender particle objects translated to POV."""
diff --git a/render_povray/object_primitives.py b/render_povray/object_primitives.py
index d906f665df6f5043ef321c1cee407a0f9ea016e6..2b9eab95a9895ab6a31848ce7221aa3095b1d341 100755
--- a/render_povray/object_primitives.py
+++ b/render_povray/object_primitives.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/object_properties.py b/render_povray/object_properties.py
index 752df2037cc49733e4e3ae8b1bae4c6a333929c8..ed02f1d272101d8bd0e4ab9da852364af6795872 100755
--- a/render_povray/object_properties.py
+++ b/render_povray/object_properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""Declare object level properties controllable in UI and translated to POV"""
diff --git a/render_povray/render.py b/render_povray/render.py
index 929e6e0161768284764a34782283bb0823b8337e..929bcab05f288fb620276e320a3416d72c459122 100755
--- a/render_povray/render.py
+++ b/render_povray/render.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/render_gui.py b/render_povray/render_gui.py
index ce842f04df2b1de6addc8e5a94a7c4a4c55a9652..cc3dcf2395e228c827fd2f3d3501a4ed6711c49c 100755
--- a/render_povray/render_gui.py
+++ b/render_povray/render_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/render_properties.py b/render_povray/render_properties.py
index 3b9c81ef69425a63a915dab2507d88a5bf55f022..339d1301c818396e1e9b2cf2050e6f444d49bbe9 100755
--- a/render_povray/render_properties.py
+++ b/render_povray/render_properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""Declare rendering properties controllable in UI"""
diff --git a/render_povray/scenography.py b/render_povray/scenography.py
index ff08b017fd8528a2fc9c07157f32eea5a9d75c0e..e744b266d8375a0cf17b15a21eb38d0725a4a2f4 100755
--- a/render_povray/scenography.py
+++ b/render_povray/scenography.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/scenography_gui.py b/render_povray/scenography_gui.py
index e66931b2efa19a5a573f6aec5c2e5e7e292b1cd1..4adc4ade88518ea6c9da8292197b0c7c0c008377 100755
--- a/render_povray/scenography_gui.py
+++ b/render_povray/scenography_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/scenography_properties.py b/render_povray/scenography_properties.py
index bdad0890ab6180e698088514c45d791421329bbf..7b75bbbb326b08e16400111a1c3883de23dcf858 100755
--- a/render_povray/scenography_properties.py
+++ b/render_povray/scenography_properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""Declare stage set and surrounding (camera, lights, environment) properties controllable in UI"""
diff --git a/render_povray/scripting.py b/render_povray/scripting.py
index 9499eb3d5a3e3f4c8507aa9477ba26d9784e0e05..698dbb5fd901015f28df0ec689796d7d08cc03c0 100755
--- a/render_povray/scripting.py
+++ b/render_povray/scripting.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/scripting_gui.py b/render_povray/scripting_gui.py
index 60774f29e9342f5754452d3716ae7b0de97b18b5..a3af52edc045f525e46e34ada8c55237fa38528b 100755
--- a/render_povray/scripting_gui.py
+++ b/render_povray/scripting_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""User interface to POV Scene Description Language snippets or full includes:
diff --git a/render_povray/scripting_properties.py b/render_povray/scripting_properties.py
index f0e61244e06e54a3ffa6533b90384c32157bb5df..59c373811788556793f5472e3279e65d42e0a76c 100755
--- a/render_povray/scripting_properties.py
+++ b/render_povray/scripting_properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/shading.py b/render_povray/shading.py
index c0eb3925b12f556494e4263562069caf28c00956..67ee8e518b696f62b15de5115387e3b1019b3ca7 100755
--- a/render_povray/shading.py
+++ b/render_povray/shading.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/shading_gui.py b/render_povray/shading_gui.py
index 3bb0782cd26d628ab2286883f64a0d137c017499..0eb9e5f0ceae69876243c71b4a17008458b57922 100755
--- a/render_povray/shading_gui.py
+++ b/render_povray/shading_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
""""User interface for shaders exported to POV textures."""
diff --git a/render_povray/shading_nodes.py b/render_povray/shading_nodes.py
index 55d323e3395b45a855a72fd8624ed4f6111fec46..fef5d381362d0eaf5fd63d5617a51102425fae10 100755
--- a/render_povray/shading_nodes.py
+++ b/render_povray/shading_nodes.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
""""Nodes based User interface for shaders exported to POV textures."""
diff --git a/render_povray/shading_properties.py b/render_povray/shading_properties.py
index 9add125e4863f2086619db1c3eed91d3c1514fc1..bcc8944d7beca247ac98eaa9b42fc64ec949b4b5 100755
--- a/render_povray/shading_properties.py
+++ b/render_povray/shading_properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
"""Declare shading properties exported to POV textures."""
diff --git a/render_povray/texturing.py b/render_povray/texturing.py
index 060316bedebddab5248376550eb7ff92b30f1663..dadc5e5c47b5076a8459fee8b7caf88c55be33f2 100755
--- a/render_povray/texturing.py
+++ b/render_povray/texturing.py
@@ -1,20 +1,4 @@
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# #**** END GPL LICENSE BLOCK #****
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/texturing_gui.py b/render_povray/texturing_gui.py
index 2e317a6c821ce7c59e0483522af6909bbe98fa3a..007eda24c6286e0f24e449539e14a69120a8f7c5 100755
--- a/render_povray/texturing_gui.py
+++ b/render_povray/texturing_gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/texturing_properties.py b/render_povray/texturing_properties.py
index c085cedf5b4f855cfa4f85aafcf3abe0fffb96bc..fbfb812594c8b19a7e7b9a4b0f65bded3a39411a 100755
--- a/render_povray/texturing_properties.py
+++ b/render_povray/texturing_properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_povray/update_files.py b/render_povray/update_files.py
index 0082ff83749f770663bcc377606d2bd2cc184c61..cc736a98fa585e66d4cadc3d082d1d8876feed96 100755
--- a/render_povray/update_files.py
+++ b/render_povray/update_files.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/render_ui_animation_render.py b/render_ui_animation_render.py
index 27d84a4a23ca3a9230aec16bfaa7aa00aafff91b..e8a6d39fee16f387c4f51c8eced3e46fc9711556 100644
--- a/render_ui_animation_render.py
+++ b/render_ui_animation_render.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
diff --git a/rigify/__init__.py b/rigify/__init__.py
index 5d8782d448a470d039e8c1bfd86056c370b36c7e..fea148766be899ca244468643ac439f38c41bbea 100644
--- a/rigify/__init__.py
+++ b/rigify/__init__.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/base_generate.py b/rigify/base_generate.py
index 7bdb8b0e1aeb8a38e545754312ad2adf0765e35b..81de462a842d3785081d60c022cffc5947f98a16 100644
--- a/rigify/base_generate.py
+++ b/rigify/base_generate.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/base_rig.py b/rigify/base_rig.py
index 87c89c179e4fc93248ad8bfb4d4437508a9acfa9..b1c911cba74cbb1c9bbf1c76fc7b6c00ed9848b5 100644
--- a/rigify/base_rig.py
+++ b/rigify/base_rig.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/feature_set_list.py b/rigify/feature_set_list.py
index cb46f5c66d83ce10c466d442e26efbbaf34aba0e..819b2c0eeab192f38a9f01a3b365a1e22c2d6dfb 100644
--- a/rigify/feature_set_list.py
+++ b/rigify/feature_set_list.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
from typing import List
diff --git a/rigify/feature_sets/__init__.py b/rigify/feature_sets/__init__.py
index e9981d527b364dabf213ea6c232a3668ec89db95..91f1cdf71165c82dc56b1164b98e66a68da97b68 100644
--- a/rigify/feature_sets/__init__.py
+++ b/rigify/feature_sets/__init__.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# Redirect the module loader to the user scripts directory.
diff --git a/rigify/generate.py b/rigify/generate.py
index a674ade447c81ec714c786d62b0b01af1d017ce1..b3707a7e08e2e29ee30c3963a666a96a633093c8 100644
--- a/rigify/generate.py
+++ b/rigify/generate.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/metarig_menu.py b/rigify/metarig_menu.py
index 7a48df44748180c94667625a2f493c8e9fc486a5..f6dda026656e761f8a6f84a169ac9a7f1f20df15 100644
--- a/rigify/metarig_menu.py
+++ b/rigify/metarig_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/operators/__init__.py b/rigify/operators/__init__.py
index 6c96f9086f9e702a7c68f9c03836bc637f33d7cf..bda3861906c972fb340c9195d18768d790830ab2 100644
--- a/rigify/operators/__init__.py
+++ b/rigify/operators/__init__.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/operators/copy_mirror_parameters.py b/rigify/operators/copy_mirror_parameters.py
index a844f8da694a5446c34638ae3698b50c8cbdc915..982887b249555462692d6ba32ac15ecef2e17510 100644
--- a/rigify/operators/copy_mirror_parameters.py
+++ b/rigify/operators/copy_mirror_parameters.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/operators/upgrade_face.py b/rigify/operators/upgrade_face.py
index 082393531d268c3ec552cba39de44bd82e1b0196..179538021601af340d8d62a3ca06bec265a29a83 100644
--- a/rigify/operators/upgrade_face.py
+++ b/rigify/operators/upgrade_face.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rig_lists.py b/rigify/rig_lists.py
index ae7d9d002618ba2f6632f73f79cf42b16181d445..1526d48888be92c6eeec35769d96152b91d38ce7 100644
--- a/rigify/rig_lists.py
+++ b/rigify/rig_lists.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
import os
import traceback
diff --git a/rigify/rig_ui_template.py b/rigify/rig_ui_template.py
index 528a732c5021092439c96551cacace267746c0e3..f3bc5374b4002e75e2459b5b5d039639c2fc156b 100644
--- a/rigify/rig_ui_template.py
+++ b/rigify/rig_ui_template.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/basic/copy_chain.py b/rigify/rigs/basic/copy_chain.py
index 54f09ad738b29e52c01d612db84ad6e8e5068d47..cd2de2063bb948d9cf3c966bb63fd58bc9b187a0 100644
--- a/rigify/rigs/basic/copy_chain.py
+++ b/rigify/rigs/basic/copy_chain.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/basic/pivot.py b/rigify/rigs/basic/pivot.py
index 0301790f12217db6a61fb36858d77bdaf5f94ead..e10bf4e26f4f0282345af783f38db75b5969c07f 100644
--- a/rigify/rigs/basic/pivot.py
+++ b/rigify/rigs/basic/pivot.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/basic/raw_copy.py b/rigify/rigs/basic/raw_copy.py
index e562038c81ffc4706229d072a695fdd6cf1661e7..8aa593aaf319ed8ee5bca98b8d8b5dfbfe078a2c 100644
--- a/rigify/rigs/basic/raw_copy.py
+++ b/rigify/rigs/basic/raw_copy.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/basic/super_copy.py b/rigify/rigs/basic/super_copy.py
index e2f7084252be4677f5c90ae5ef904bad98f7fc65..e43993b4768073bccffcf443aa0cfe880e5db29a 100644
--- a/rigify/rigs/basic/super_copy.py
+++ b/rigify/rigs/basic/super_copy.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/chain_rigs.py b/rigify/rigs/chain_rigs.py
index 96bf8abde1754cea1f7dc1152d858cd4fc980d1c..9a96faa078d56379c06c6e7a6340d11cded888b9 100644
--- a/rigify/rigs/chain_rigs.py
+++ b/rigify/rigs/chain_rigs.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/face/basic_tongue.py b/rigify/rigs/face/basic_tongue.py
index 380e14dfd6cf44efc9a7df7bd1586aef2f2e52c1..005fe551141634167337dbbca94faf3c2bacfc5c 100644
--- a/rigify/rigs/face/basic_tongue.py
+++ b/rigify/rigs/face/basic_tongue.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/face/skin_eye.py b/rigify/rigs/face/skin_eye.py
index da4da1e588a4e671a06832086a41b44c43c59179..13628f41ba048f73a08e56202a2d6e6a48c1d55c 100644
--- a/rigify/rigs/face/skin_eye.py
+++ b/rigify/rigs/face/skin_eye.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/face/skin_jaw.py b/rigify/rigs/face/skin_jaw.py
index 6829818c8d7b104e9af3b14aa583ed2733cb66c5..fdcd904fde4fca0bca941868ae0afddc5f67ad42 100644
--- a/rigify/rigs/face/skin_jaw.py
+++ b/rigify/rigs/face/skin_jaw.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/arm.py b/rigify/rigs/limbs/arm.py
index e276407e5c62c61e1b85f732a55bafe5380e050c..07450833182011b896fa7df5c1742c988185a5e6 100644
--- a/rigify/rigs/limbs/arm.py
+++ b/rigify/rigs/limbs/arm.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/front_paw.py b/rigify/rigs/limbs/front_paw.py
index 83cbbd8166b9a350b84da70f7707e6610df46e34..d5c36f966ad1798028e402b3dbe6f9161e3c399b 100644
--- a/rigify/rigs/limbs/front_paw.py
+++ b/rigify/rigs/limbs/front_paw.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/leg.py b/rigify/rigs/limbs/leg.py
index 59d4899398970105f2ed13228d72996970553014..4492cb118f2f40807cc7ec6f56d03805c681299b 100644
--- a/rigify/rigs/limbs/leg.py
+++ b/rigify/rigs/limbs/leg.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/limb_rigs.py b/rigify/rigs/limbs/limb_rigs.py
index 7ecc508fa710090cbbefe13d8b47f347bf09083b..2b4723a485536185860257061da674e2d966e905 100644
--- a/rigify/rigs/limbs/limb_rigs.py
+++ b/rigify/rigs/limbs/limb_rigs.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/paw.py b/rigify/rigs/limbs/paw.py
index 3aa336ac03a31753b026c7434282b26d45f1d239..c761f11978c092da8672439c72c06f326319e5bf 100644
--- a/rigify/rigs/limbs/paw.py
+++ b/rigify/rigs/limbs/paw.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/rear_paw.py b/rigify/rigs/limbs/rear_paw.py
index cdbbd91e0d625ee052ae1e5c000a66991682ef49..54cfbc4dba27ea3117d374c876e01b58e98412c5 100644
--- a/rigify/rigs/limbs/rear_paw.py
+++ b/rigify/rigs/limbs/rear_paw.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/simple_tentacle.py b/rigify/rigs/limbs/simple_tentacle.py
index 50a5c6ca2c2bb548ee8df76f2cff127f0004543b..21893c146f66f0319b283dc2342f95349cf5eea0 100644
--- a/rigify/rigs/limbs/simple_tentacle.py
+++ b/rigify/rigs/limbs/simple_tentacle.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/super_finger.py b/rigify/rigs/limbs/super_finger.py
index 664094d1bbc958db980576c6f15d1748fccb2848..9eed54157b1f7567402556ba9bf16981aabfff41 100644
--- a/rigify/rigs/limbs/super_finger.py
+++ b/rigify/rigs/limbs/super_finger.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/super_limb.py b/rigify/rigs/limbs/super_limb.py
index 5020f091efe799658de946aaebef693c7c0a6c94..f5e4c7bda4cd2b7bd818fd6e04613d5ada2136fb 100644
--- a/rigify/rigs/limbs/super_limb.py
+++ b/rigify/rigs/limbs/super_limb.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/limbs/super_palm.py b/rigify/rigs/limbs/super_palm.py
index 7573e4a71d962441eb610a4d13d115482bd1e10a..62e39c49583c3142ffac609e53cf1038b1f3ea88 100644
--- a/rigify/rigs/limbs/super_palm.py
+++ b/rigify/rigs/limbs/super_palm.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/anchor.py b/rigify/rigs/skin/anchor.py
index 0392761f74a70c7bbb466d7394863b083696972c..0474a1346bf7054698e21d75a51a6b69d302690b 100644
--- a/rigify/rigs/skin/anchor.py
+++ b/rigify/rigs/skin/anchor.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/basic_chain.py b/rigify/rigs/skin/basic_chain.py
index b2cac8a6e0e529d241ad2daf253d6e6729802256..8dfb6140d338d4ae0579160ac698b59bc2420a59 100644
--- a/rigify/rigs/skin/basic_chain.py
+++ b/rigify/rigs/skin/basic_chain.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/glue.py b/rigify/rigs/skin/glue.py
index 6f9400cd69d596ecfdac77d497a4f44a1dc16c76..cb8ddf483a048661819995acfae2b45be0c96630 100644
--- a/rigify/rigs/skin/glue.py
+++ b/rigify/rigs/skin/glue.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/skin_nodes.py b/rigify/rigs/skin/skin_nodes.py
index 6dec06e89f5da4fe71740cfd3aaa203a0e22d3ae..20a7df8c5d4788ae3acf06b60064275b2514d2a9 100644
--- a/rigify/rigs/skin/skin_nodes.py
+++ b/rigify/rigs/skin/skin_nodes.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/skin_parents.py b/rigify/rigs/skin/skin_parents.py
index 956c5ca307543741c7788a9ca8e7ba2da0d1c202..a60b85b9932ef49a1698895249585e8dba8d1d55 100644
--- a/rigify/rigs/skin/skin_parents.py
+++ b/rigify/rigs/skin/skin_parents.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/skin_rigs.py b/rigify/rigs/skin/skin_rigs.py
index a4bc361ead69a122712edb6a7a530bbef5918afc..bc6b63503671b56d5b3ffd6dca418de191aac51c 100644
--- a/rigify/rigs/skin/skin_rigs.py
+++ b/rigify/rigs/skin/skin_rigs.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/stretchy_chain.py b/rigify/rigs/skin/stretchy_chain.py
index c6fae5925605d9573160c6c6686eb098c6678e32..18313757dd25c1ea27b1e574010772a8d841211c 100644
--- a/rigify/rigs/skin/stretchy_chain.py
+++ b/rigify/rigs/skin/stretchy_chain.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/skin/transform/basic.py b/rigify/rigs/skin/transform/basic.py
index 2069615a585a6ddae42c8dbb5f8c7c54be1f5bea..48a178e43e6eaf1aa1bd52fd2a869434a39ae804 100644
--- a/rigify/rigs/skin/transform/basic.py
+++ b/rigify/rigs/skin/transform/basic.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/spines/basic_spine.py b/rigify/rigs/spines/basic_spine.py
index 5c64e6348e84a10fb97e14b0973447908224c050..4499af6925c8217ac86486f2645a71f56a82d4f7 100644
--- a/rigify/rigs/spines/basic_spine.py
+++ b/rigify/rigs/spines/basic_spine.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/spines/basic_tail.py b/rigify/rigs/spines/basic_tail.py
index b5bf1076d94afb96714ad90caf374641cf33f981..a69ac800e4b19dcf733da96ee4446847cf04714e 100644
--- a/rigify/rigs/spines/basic_tail.py
+++ b/rigify/rigs/spines/basic_tail.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/spines/spine_rigs.py b/rigify/rigs/spines/spine_rigs.py
index 3c8b8223139be43e77a3c1156a6e01e8c6a8c403..9e25018ea27d0fb3472428c1b53f75662b471fb0 100644
--- a/rigify/rigs/spines/spine_rigs.py
+++ b/rigify/rigs/spines/spine_rigs.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/spines/super_head.py b/rigify/rigs/spines/super_head.py
index f71a95ff7c1b9f5bf726cb5d2fb87c06c6ebbef5..149dd1d8e69c033b81bb1a70da624c1145b71612 100644
--- a/rigify/rigs/spines/super_head.py
+++ b/rigify/rigs/spines/super_head.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/rigs/spines/super_spine.py b/rigify/rigs/spines/super_spine.py
index 86021c84fab74ede4f6ec8ff73a48b83b64b5984..9d9e6d0f08c81c3e454b08b53e7c6d1a706c5e31 100644
--- a/rigify/rigs/spines/super_spine.py
+++ b/rigify/rigs/spines/super_spine.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/ui.py b/rigify/ui.py
index a411d68b78e6f972318ba8086c4e9e9a13980101..54ae4a70cf0b49242274f2af0bbf15f3a67f42dd 100644
--- a/rigify/ui.py
+++ b/rigify/ui.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/animation.py b/rigify/utils/animation.py
index 8710e74da409540207cd3de9bb2a7d1739c748f2..e9a56f4c8a4f4421dbe95d32ceaade8edf558fd8 100644
--- a/rigify/utils/animation.py
+++ b/rigify/utils/animation.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/bones.py b/rigify/utils/bones.py
index 4416a1d6c9443d0c83499b42a8f6db5fb2c35a63..16cf62deff1f59fd93bb0acbe73982c5b9a459c3 100644
--- a/rigify/utils/bones.py
+++ b/rigify/utils/bones.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/collections.py b/rigify/utils/collections.py
index a19b9da1d9ac9668dba757a420ee52890ae1e3f5..6b98b86be8358ff03e5b4ede13338ac7eafc4476 100644
--- a/rigify/utils/collections.py
+++ b/rigify/utils/collections.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/errors.py b/rigify/utils/errors.py
index 0fc81ccbb674d655b9334646cf9c4072ee6e4f4d..1fa1f11b3f9dfd0b5f9bea382563308ba86279c4 100644
--- a/rigify/utils/errors.py
+++ b/rigify/utils/errors.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/layers.py b/rigify/utils/layers.py
index 27c67f0be009c62b010a142fd8d41c9c0af74374..1b807cc7d2f31badef28a1999aca4569bbacab07 100644
--- a/rigify/utils/layers.py
+++ b/rigify/utils/layers.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/mechanism.py b/rigify/utils/mechanism.py
index 930309b390db9c1bbee24c02ad8915c05760fc46..d8ac3a62cecf399e611edd639ff4d3953798222c 100644
--- a/rigify/utils/mechanism.py
+++ b/rigify/utils/mechanism.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/metaclass.py b/rigify/utils/metaclass.py
index c9d4ec1a9c232a389967f4c656530f89eef3bada..1c53a8efe0528d0f75c46d48bf5c6cfb35d4ce09 100644
--- a/rigify/utils/metaclass.py
+++ b/rigify/utils/metaclass.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/misc.py b/rigify/utils/misc.py
index 9d4307c07cc439e3ddec5bcfe4f609d078bad9ce..99767e09a8b24d202dade14a568a21cbfab74de9 100644
--- a/rigify/utils/misc.py
+++ b/rigify/utils/misc.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/naming.py b/rigify/utils/naming.py
index a713e40710ef9b0911373fd052d1be7b4cac5106..06d9e36eaf2ff578deac0d045b76ae75e9e7b7e9 100644
--- a/rigify/utils/naming.py
+++ b/rigify/utils/naming.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/node_merger.py b/rigify/utils/node_merger.py
index 49ebaf27f547a1a3771f01700d65a2780a8811b8..d627707ff80a94d5647868cb61e0d85f6037ee62 100644
--- a/rigify/utils/node_merger.py
+++ b/rigify/utils/node_merger.py
@@ -1,20 +1,4 @@
-# ====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/rig.py b/rigify/utils/rig.py
index 7969a34f90aa909e4827cf47b4202f5235982e10..654f35806131b5b6f5f4f6daf90b1b99ed8e1a7c 100644
--- a/rigify/utils/rig.py
+++ b/rigify/utils/rig.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/widgets.py b/rigify/utils/widgets.py
index b3715f807a3bb72c6fff0e90fec0a4c6e92d651a..16f5faab2d683cecbdd46bda0bf62c7a76f3abd6 100644
--- a/rigify/utils/widgets.py
+++ b/rigify/utils/widgets.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/widgets_basic.py b/rigify/utils/widgets_basic.py
index 543457ebcca26498083dc81de0e44587d08c24e6..854b4d7eed948d8cd370598c10c00ea0f116db1c 100644
--- a/rigify/utils/widgets_basic.py
+++ b/rigify/utils/widgets_basic.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/rigify/utils/widgets_special.py b/rigify/utils/widgets_special.py
index 8e2d7a27bd25746e3dcb3be2cdf2f032fc95f223..276590a5a7fc7f67ebe5bd7ef7d953b45da64f4f 100644
--- a/rigify/utils/widgets_special.py
+++ b/rigify/utils/widgets_special.py
@@ -1,20 +1,4 @@
-#====================== BEGIN GPL LICENSE BLOCK ======================
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-#======================= END GPL LICENSE BLOCK ========================
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_clip_editor_refine_solution.py b/space_clip_editor_refine_solution.py
index 457af2866f65695df5b13f9004d2631c9b91a3d3..638542ccd9b99e2fd443045742ca849e36ca4b10 100644
--- a/space_clip_editor_refine_solution.py
+++ b/space_clip_editor_refine_solution.py
@@ -1,24 +1,4 @@
-# -*- coding:utf-8 -*-
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# All rights reserved.
-#
-# ##### END GPL LICENSE BLOCK #####
-
-# <pep8 compliant>
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Refine tracking solution",
diff --git a/space_view3d_3d_navigation.py b/space_view3d_3d_navigation.py
index 937f546f3fd20e4d7046b94f03acd1649e96da04..cc06f851ee3759afd948270fcfd32baf6e7640e6 100644
--- a/space_view3d_3d_navigation.py
+++ b/space_view3d_3d_navigation.py
@@ -1,25 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# 3D NAVIGATION TOOLBAR v1.2 - 3Dview Addon - Blender 2.5x
-#
-# THIS SCRIPT IS LICENSED UNDER GPL,
-# please read the license block.
-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
# contributed to by: Demohero, uriel, jbelcik, meta-androcto
bl_info = {
diff --git a/space_view3d_align_tools.py b/space_view3d_align_tools.py
index 8bfa1f6bab030c9ae303e734bf0ea941dfa256d9..66000bd2d75e0be8f78dfa64727a3f2a30d1a358 100644
--- a/space_view3d_align_tools.py
+++ b/space_view3d_align_tools.py
@@ -1,22 +1,5 @@
-# -*- coding: utf-8 -*-
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by gabhead, Lell, Anfeo, meta-androcto
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by gabhead, Lell, Anfeo, meta-androcto.
bl_info = {
"name": "Align Tools",
diff --git a/space_view3d_brush_menus/__init__.py b/space_view3d_brush_menus/__init__.py
index c040bd9de3fc0d457295cb53a02b74420a85a347..9af3783c6ab6febdc0b2c114bad2efda9920b0f5 100644
--- a/space_view3d_brush_menus/__init__.py
+++ b/space_view3d_brush_menus/__init__.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Modified by Meta-Androcto
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Modified by Meta-Androcto.
""" Copyright 2011 GPL licence applies"""
diff --git a/space_view3d_copy_attributes.py b/space_view3d_copy_attributes.py
index 9496ed1d7975e69d827dcf7e758a0daa6d9ff525..0a8705e28e06bc6bde3c92eac9e707c331c8602d 100644
--- a/space_view3d_copy_attributes.py
+++ b/space_view3d_copy_attributes.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_math_vis/__init__.py b/space_view3d_math_vis/__init__.py
index b99456f8502087f205da466044bdf19dc3bad45c..8b53c91184bf881d4ec464ebeb5975dbbd40fc9d 100644
--- a/space_view3d_math_vis/__init__.py
+++ b/space_view3d_math_vis/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_math_vis/draw.py b/space_view3d_math_vis/draw.py
index 33f6a965dd699da1b16eb30d87ea2a63faf89709..ca798a90815446d79be11c8b09081423bc1af684 100644
--- a/space_view3d_math_vis/draw.py
+++ b/space_view3d_math_vis/draw.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_math_vis/utils.py b/space_view3d_math_vis/utils.py
index a175dd5cdae662bdf492600263d54bc5e487fe42..a4e27136daa6c458eabc689eba8707afb91b7446 100644
--- a/space_view3d_math_vis/utils.py
+++ b/space_view3d_math_vis/utils.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_modifier_tools.py b/space_view3d_modifier_tools.py
index 1fb64635ccfdd28d42b41c3054dd7c36364c1ea8..71aa7cf3efafe461a25d1f0fc5cd088da30a8e78 100644
--- a/space_view3d_modifier_tools.py
+++ b/space_view3d_modifier_tools.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# by meta-androcto, saidenka #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# by meta-androcto, saidenka.
bl_info = {
"name": "Modifier Tools",
diff --git a/space_view3d_pie_menus/__init__.py b/space_view3d_pie_menus/__init__.py
index 783f061a3e4593a8b82e4b1d3d089dcba8602284..329253410cd166021c35f72e23698931937f4ba9 100644
--- a/space_view3d_pie_menus/__init__.py
+++ b/space_view3d_pie_menus/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_align_menu.py b/space_view3d_pie_menus/pie_align_menu.py
index 2dcf9e203ab50364140e3ee38212d34a17e9dd16..88ed99fe39a88154bb47f95b0ab6d976c7f17055 100644
--- a/space_view3d_pie_menus/pie_align_menu.py
+++ b/space_view3d_pie_menus/pie_align_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_animation_menu.py b/space_view3d_pie_menus/pie_animation_menu.py
index eda7ed4d97257b5e568a1d27d54ffa5d91e01983..f99ff68bdb90f31f20b0c3e85cac29868f23a296 100644
--- a/space_view3d_pie_menus/pie_animation_menu.py
+++ b/space_view3d_pie_menus/pie_animation_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_apply_transform_menu.py b/space_view3d_pie_menus/pie_apply_transform_menu.py
index 7646571d454a560ffcfd39df793e1e3716963358..2f4d6f8e7886e508efc2c94e6331dabed1e17a26 100644
--- a/space_view3d_pie_menus/pie_apply_transform_menu.py
+++ b/space_view3d_pie_menus/pie_apply_transform_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_defaults_menu.py b/space_view3d_pie_menus/pie_defaults_menu.py
index 8c068c4707b8aa9435229a5a86159434749e14d5..0b49c4116894aa558dd313d66d4a7345375dd711 100644
--- a/space_view3d_pie_menus/pie_defaults_menu.py
+++ b/space_view3d_pie_menus/pie_defaults_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_delete_menu.py b/space_view3d_pie_menus/pie_delete_menu.py
index 97e0c7745cd1b367e6eee7a57692499f506274fc..2826c955c3fe938b1bd847c09d91c6d090511106 100644
--- a/space_view3d_pie_menus/pie_delete_menu.py
+++ b/space_view3d_pie_menus/pie_delete_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_editor_switch_menu.py b/space_view3d_pie_menus/pie_editor_switch_menu.py
index 585a90f0bd5a4f31317741861409f9b9f25e8ef2..80f058358a71df008329bf8b668ad524b4045f12 100644
--- a/space_view3d_pie_menus/pie_editor_switch_menu.py
+++ b/space_view3d_pie_menus/pie_editor_switch_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_manipulator_menu.py b/space_view3d_pie_menus/pie_manipulator_menu.py
index 428254d48ab7061daf7a5896825f5bddb90c1c2b..1f7aaf94b6e5177ba559534ebc0524aac69b1c67 100644
--- a/space_view3d_pie_menus/pie_manipulator_menu.py
+++ b/space_view3d_pie_menus/pie_manipulator_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_modes_menu.py b/space_view3d_pie_menus/pie_modes_menu.py
index c7ec302f7c2abb6a04812622cfdc404b0cef7e97..2bd714f6877258c0822b5655e470f47efc8f9190 100644
--- a/space_view3d_pie_menus/pie_modes_menu.py
+++ b/space_view3d_pie_menus/pie_modes_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_origin.py b/space_view3d_pie_menus/pie_origin.py
index bc74fd1b1969e3f24af898e69e3290d7c25491dc..74c3a3bf0b315986de6bb85a46e4e23597b41339 100644
--- a/space_view3d_pie_menus/pie_origin.py
+++ b/space_view3d_pie_menus/pie_origin.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_proportional_menu.py b/space_view3d_pie_menus/pie_proportional_menu.py
index 009bf8a88411bee7ed556d84856c455c51110f09..96e8c3e1deb36243207608e001c721d1c537124b 100644
--- a/space_view3d_pie_menus/pie_proportional_menu.py
+++ b/space_view3d_pie_menus/pie_proportional_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_save_open_menu.py b/space_view3d_pie_menus/pie_save_open_menu.py
index f1bef21bc6f135e7306f94068ee6d788e74d3bf2..8479fa516e053066020b6fd8250c268207e3c425 100644
--- a/space_view3d_pie_menus/pie_save_open_menu.py
+++ b/space_view3d_pie_menus/pie_save_open_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_sculpt_menu.py b/space_view3d_pie_menus/pie_sculpt_menu.py
index 9d343dc1d6b3baba62f11e8dc0b35737e5d3463e..bb37569238015044543ab80e745a3d175647d6ae 100644
--- a/space_view3d_pie_menus/pie_sculpt_menu.py
+++ b/space_view3d_pie_menus/pie_sculpt_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_select_menu.py b/space_view3d_pie_menus/pie_select_menu.py
index 025cddaa6e42ae526dd0b9fbd91c3f933355ef8d..9997256387db96919f944dc07230bfeca77a63ef 100644
--- a/space_view3d_pie_menus/pie_select_menu.py
+++ b/space_view3d_pie_menus/pie_select_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_shading_menu.py b/space_view3d_pie_menus/pie_shading_menu.py
index 28603d25d5477e5d907722e993eacfa2706c6ebe..04f6d54a6ae6cefafa0cf9d19d63d61901e53084 100644
--- a/space_view3d_pie_menus/pie_shading_menu.py
+++ b/space_view3d_pie_menus/pie_shading_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_pie_menus/pie_views_numpad_menu.py b/space_view3d_pie_menus/pie_views_numpad_menu.py
index 8798409141181c2982d1a89573e2f4c263046592..2fdfee34a6b0d1a5f1e122b624d95a74e44cdb3a 100644
--- a/space_view3d_pie_menus/pie_views_numpad_menu.py
+++ b/space_view3d_pie_menus/pie_views_numpad_menu.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/space_view3d_spacebar_menu/__init__.py b/space_view3d_spacebar_menu/__init__.py
index bc39a2bb248c08daf1c2845d4401e81b741e7dfc..b7a7670894dc34b14637d07a212d6543a72eae0c 100644
--- a/space_view3d_spacebar_menu/__init__.py
+++ b/space_view3d_spacebar_menu/__init__.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
bl_info = {
"name": "Dynamic Context Menu",
diff --git a/space_view3d_spacebar_menu/animation_menus.py b/space_view3d_spacebar_menu/animation_menus.py
index 7dadffc6b098b5394eb1791ba02ad9673d07b266..5872b877156c51cc61f269f0a9046b86b18e8e46 100644
--- a/space_view3d_spacebar_menu/animation_menus.py
+++ b/space_view3d_spacebar_menu/animation_menus.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/armature_menus.py b/space_view3d_spacebar_menu/armature_menus.py
index 2196efa87232b996db678fb4ee9d2c18ae62ad7c..1eb260008f42da3afcd8f984060b0d29a321c201 100644
--- a/space_view3d_spacebar_menu/armature_menus.py
+++ b/space_view3d_spacebar_menu/armature_menus.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/curve_menus.py b/space_view3d_spacebar_menu/curve_menus.py
index c9e72ff0a5514d63b6b5a47cea065062cdf34a7c..7e5abbc3b3374267095b9b9046583d642a0fa6a5 100644
--- a/space_view3d_spacebar_menu/curve_menus.py
+++ b/space_view3d_spacebar_menu/curve_menus.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/edit_mesh.py b/space_view3d_spacebar_menu/edit_mesh.py
index c7098c699e99668504e9d31eaad67b98e3e5ffc2..f40e8b9ad7f9dacb9b2e3d66cd3d8534232615e9 100644
--- a/space_view3d_spacebar_menu/edit_mesh.py
+++ b/space_view3d_spacebar_menu/edit_mesh.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/object_menus.py b/space_view3d_spacebar_menu/object_menus.py
index f6b0ba29f7a19fe1820be5f365eccf17e3287270..0751933ce0b46ba0baecb0ca3cc09d42eb27f624 100644
--- a/space_view3d_spacebar_menu/object_menus.py
+++ b/space_view3d_spacebar_menu/object_menus.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/snap_origin_cursor.py b/space_view3d_spacebar_menu/snap_origin_cursor.py
index b150a4926bf3bf54b2782b316c770857081f8e89..ffc163a30d2c41a347885455f7fe56a79c53dfbc 100644
--- a/space_view3d_spacebar_menu/snap_origin_cursor.py
+++ b/space_view3d_spacebar_menu/snap_origin_cursor.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/transform_menus.py b/space_view3d_spacebar_menu/transform_menus.py
index a6438bd9251f799c84dadb31334730f5d976d294..e760fdca50cd04e8c2e11975fea6ab4bcb4a871c 100644
--- a/space_view3d_spacebar_menu/transform_menus.py
+++ b/space_view3d_spacebar_menu/transform_menus.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_spacebar_menu/view_menus.py b/space_view3d_spacebar_menu/view_menus.py
index 84a69eb4fc53666270ab78b568472eda7cc492bf..03f7318dd4b67b2a775c0dfe109ee5e988ce6251 100644
--- a/space_view3d_spacebar_menu/view_menus.py
+++ b/space_view3d_spacebar_menu/view_menus.py
@@ -1,21 +1,5 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX #
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Contributed to by: meta-androcto, JayDez, sim88, sam, lijenstina, mkb, wisaac, CoDEmanX.
import bpy
diff --git a/space_view3d_stored_views/__init__.py b/space_view3d_stored_views/__init__.py
index d7fed107f96b9beabe17cc209d5b494a09d516d8..645c568f798d7d78ec00cd02d3a51fe3828b30d1 100644
--- a/space_view3d_stored_views/__init__.py
+++ b/space_view3d_stored_views/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Stored Views",
diff --git a/space_view3d_stored_views/stored_views_test.py b/space_view3d_stored_views/stored_views_test.py
index 58a4552fbcdadcde4b26149be0ac34872e48e6e2..845dbe1be5912b882892b05b5664503ceb2a65c5 100644
--- a/space_view3d_stored_views/stored_views_test.py
+++ b/space_view3d_stored_views/stored_views_test.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Stored Views",
diff --git a/sun_position/__init__.py b/sun_position/__init__.py
index e59a0932b246ef7c751af0aa72eb5fd1b77e798c..34808dd41e05694b38d8378416f95656b5401eb4 100644
--- a/sun_position/__init__.py
+++ b/sun_position/__init__.py
@@ -1,20 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# --------------------------------------------------------------------------
# The sun positioning algorithms are based on the National Oceanic
diff --git a/sun_position/geo.py b/sun_position/geo.py
index 72404195530048a7a119fdb4fedf3d8a614cc1b2..d2844a7fff3314989c6cc77cc928982bcf39a937 100644
--- a/sun_position/geo.py
+++ b/sun_position/geo.py
@@ -1,24 +1,10 @@
#!/usr/bin/env python
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2010 Maximilian Hoegner <hp.maxi@hoegners.de>.
+
# geo.py is a python module with no dependencies on extra packages,
# providing some convenience functions for working with geographic
# coordinates
-#
-# Copyright (C) 2010 Maximilian Hoegner <hp.maxi@hoegners.de>
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
### Part one - Functions for dealing with points on a sphere ###
diff --git a/sun_position/hdr.py b/sun_position/hdr.py
index e117e3b38403af267b0043857cdd377b1343d280..a80b0e7613674c2c3a98e8dd1f3c952460573dbd 100644
--- a/sun_position/hdr.py
+++ b/sun_position/hdr.py
@@ -1,20 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# -*- coding: utf-8 -*-
diff --git a/sun_position/north.py b/sun_position/north.py
index 0c0a41af3a7c31aff9036a7ddc889af26d9bf122..c343df05f502971022144fe51f3a7198a993c168 100644
--- a/sun_position/north.py
+++ b/sun_position/north.py
@@ -1,20 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import math
diff --git a/sun_position/properties.py b/sun_position/properties.py
index 8d505414076f40c97421c16368bc7e68f8874b34..ef3a21e3a8f95ed66f21a819f97d8edfdf51139c 100644
--- a/sun_position/properties.py
+++ b/sun_position/properties.py
@@ -1,20 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import AddonPreferences, PropertyGroup
diff --git a/sun_position/sun_calc.py b/sun_position/sun_calc.py
index 26161888bc8c619247c3b4ca752c4b3e36981fec..39c8444ed5d01c9118bb47ccdad7ad7db345761e 100644
--- a/sun_position/sun_calc.py
+++ b/sun_position/sun_calc.py
@@ -1,20 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.app.handlers import persistent
diff --git a/sun_position/ui_sun.py b/sun_position/ui_sun.py
index 49f04e337d7e2ea0f9cc99c595806d9468e8a02a..1f4f8f3405a41ae6bc7fbb0375802a63948fb9da 100644
--- a/sun_position/ui_sun.py
+++ b/sun_position/ui_sun.py
@@ -1,20 +1,4 @@
-### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Operator, Menu
diff --git a/system_blend_info.py b/system_blend_info.py
index 03522d2b53aa4978a37f53047ac533bcf43881c2..b8e79a6fd0fa7df724f4f30225682f7af5cb515b 100644
--- a/system_blend_info.py
+++ b/system_blend_info.py
@@ -1,24 +1,7 @@
-# scene_blend_info.py Copyright (C) 2010, Mariano Hidalgo
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2010 Mariano Hidalgo
+
# Show Information About the Blend.
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ***** END GPL LICENCE BLOCK *****
bl_info = {
"name": "Scene Information",
diff --git a/system_demo_mode/__init__.py b/system_demo_mode/__init__.py
index 88a052f1709357933237efb2785a24d383a3a39c..819b0ba3904f58c4af735f94c49b980fa3440f47 100644
--- a/system_demo_mode/__init__.py
+++ b/system_demo_mode/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/system_demo_mode/config.py b/system_demo_mode/config.py
index b3a7aad42ff2c8b7488307bb779d15c04dfbb675..8b2d6e13f75ecaec1344b55f77e12bf6215650ef 100644
--- a/system_demo_mode/config.py
+++ b/system_demo_mode/config.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/system_demo_mode/demo_mode.py b/system_demo_mode/demo_mode.py
index d03dc493bdb73edac6c1572aa1b1fe31fc33971d..6060bf0034a1b788c7571bff979fbbd473598d33 100644
--- a/system_demo_mode/demo_mode.py
+++ b/system_demo_mode/demo_mode.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/system_property_chart.py b/system_property_chart.py
index 4eeeb48e9895ad678087771ab1ae0b82d253815c..9284874a13d4339672264e290e823b1560db8ade 100644
--- a/system_property_chart.py
+++ b/system_property_chart.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/ui_translate/__init__.py b/ui_translate/__init__.py
index a03fb56bd83a916ecd4b8d8b4b3b4f70f52022c0..06c91430ef8df4ba163b3805daba985022066392 100644
--- a/ui_translate/__init__.py
+++ b/ui_translate/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/ui_translate/edit_translation.py b/ui_translate/edit_translation.py
index b42560d42b7b4980b7edd663f9b74db6d51a4562..5f9301ef42dcdff075097db1aa53dcd921ecc78c 100644
--- a/ui_translate/edit_translation.py
+++ b/ui_translate/edit_translation.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/ui_translate/settings.py b/ui_translate/settings.py
index 97bddbc33e004a5ce48086f51cc4678b182c8b0e..e9de6537c3c17557c6ec7b95b32b57f8f80a5d0f 100644
--- a/ui_translate/settings.py
+++ b/ui_translate/settings.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/ui_translate/update_addon.py b/ui_translate/update_addon.py
index 2eedc8979513293d7e88f9d7b4c988eba68a3f3b..2beed9d30793e3dd57f45b0273def8f0575581ea 100644
--- a/ui_translate/update_addon.py
+++ b/ui_translate/update_addon.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/ui_translate/update_svn.py b/ui_translate/update_svn.py
index 0c362d1efaf118e98c016064423099528a5b994d..387789093d1ba1cd4987c4163d8b8787a2be477c 100644
--- a/ui_translate/update_svn.py
+++ b/ui_translate/update_svn.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/ui_translate/update_ui.py b/ui_translate/update_ui.py
index cab6ef6b8644e94b4ec891b11747febacaa5ddb4..80a4d3f510d5caccc85a4557d898e6b27845ae99 100644
--- a/ui_translate/update_ui.py
+++ b/ui_translate/update_ui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/__init__.py b/viewport_vr_preview/__init__.py
index 352470ca67c06e4270fdd922a067ed80bfd9af9a..14315747c76b52e6fa7905da152b76fc7ef895da 100644
--- a/viewport_vr_preview/__init__.py
+++ b/viewport_vr_preview/__init__.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/action_map.py b/viewport_vr_preview/action_map.py
index f0ffc0464df45606439cb40b514124d236ab0a12..46b6dd657087dc2727e25fd03086030a7e422983 100644
--- a/viewport_vr_preview/action_map.py
+++ b/viewport_vr_preview/action_map.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/action_map_io.py b/viewport_vr_preview/action_map_io.py
index fedea82e3a8e9d74976fc51c9d33615d7c9e05b0..b6e73ce7a4ded49fb640658805617bf979bd4d75 100644
--- a/viewport_vr_preview/action_map_io.py
+++ b/viewport_vr_preview/action_map_io.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/defaults.py b/viewport_vr_preview/defaults.py
index 2543cd03e64262fac6a2dc9af8fca208c0bae4d1..9a3108608a5aab23095b41183dbf102076cbf116 100644
--- a/viewport_vr_preview/defaults.py
+++ b/viewport_vr_preview/defaults.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/gui.py b/viewport_vr_preview/gui.py
index 44d18d67ede80079e4ceae7fa0c74fb5a74c67b4..629e9c0e380c824a821098095f6225bca0b52e69 100644
--- a/viewport_vr_preview/gui.py
+++ b/viewport_vr_preview/gui.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/operators.py b/viewport_vr_preview/operators.py
index 7a19b9fb9456dffc8900dfaebc2735d8279e08ed..69100762b3205cbc57895595be40075e90485f2b 100644
--- a/viewport_vr_preview/operators.py
+++ b/viewport_vr_preview/operators.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/properties.py b/viewport_vr_preview/properties.py
index 03f03e8c57539d5c9206636da2f64bd1b4744d74..55a4d4ebf8c5af73ac1f5a112b91d81447ebb509 100644
--- a/viewport_vr_preview/properties.py
+++ b/viewport_vr_preview/properties.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
diff --git a/viewport_vr_preview/versioning.py b/viewport_vr_preview/versioning.py
index 15d4de2989808b4b6480c4c39d8eff115dbc7ccb..fbff2a70acaf0921c1cd9af5412a4569e8524fdb 100644
--- a/viewport_vr_preview/versioning.py
+++ b/viewport_vr_preview/versioning.py
@@ -1,20 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
+# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>