From 2d048308c69a7671b43c246ef882f99661dd771d Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sun, 24 Mar 2013 19:47:31 +0000
Subject: [PATCH] remove use of ob.update_from_editmode() since editmode meshes
 don't get access to customdata layers.

---
 io_mesh_ply/export_ply.py      | 3 ++-
 io_mesh_uv_layout/__init__.py  | 7 ++++++-
 io_scene_3ds/export_3ds.py     | 5 +++--
 io_scene_obj/export_obj.py     | 1 -
 io_scene_vrml2/export_vrml2.py | 8 +++++++-
 io_scene_x3d/export_x3d.py     | 6 ++----
 6 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/io_mesh_ply/export_ply.py b/io_mesh_ply/export_ply.py
index 48d1542f8..4ef8b5fbc 100644
--- a/io_mesh_ply/export_ply.py
+++ b/io_mesh_ply/export_ply.py
@@ -197,7 +197,8 @@ def save(operator,
     if not obj:
         raise Exception("Error, Select 1 active object")
 
-    obj.update_from_editmode()
+    if bpy.ops.object.mode_set.poll():
+        bpy.ops.object.mode_set(mode='OBJECT')
 
     if use_mesh_modifiers and obj.modifiers:
         mesh = obj.to_mesh(scene, True, 'PREVIEW')
diff --git a/io_mesh_uv_layout/__init__.py b/io_mesh_uv_layout/__init__.py
index 07e9e5879..dc6c05d53 100644
--- a/io_mesh_uv_layout/__init__.py
+++ b/io_mesh_uv_layout/__init__.py
@@ -172,7 +172,9 @@ class ExportUVLayout(bpy.types.Operator):
     def execute(self, context):
 
         obj = context.active_object
-        obj.update_from_editmode()
+        is_editmode = (obj.mode == 'EDIT')
+        if is_editmode:
+            bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
 
         mode = self.mode
 
@@ -202,6 +204,9 @@ class ExportUVLayout(bpy.types.Operator):
         if self.modified:
             bpy.data.meshes.remove(mesh)
 
+        if is_editmode:
+            bpy.ops.object.mode_set(mode='EDIT', toggle=False)
+
         file.close()
 
         return {'FINISHED'}
diff --git a/io_scene_3ds/export_3ds.py b/io_scene_3ds/export_3ds.py
index 1bab73116..e7f624ac7 100644
--- a/io_scene_3ds/export_3ds.py
+++ b/io_scene_3ds/export_3ds.py
@@ -997,6 +997,9 @@ def save(operator,
     if global_matrix is None:
         global_matrix = mathutils.Matrix()
 
+    if bpy.ops.object.mode_set.poll():
+        bpy.ops.object.mode_set(mode='OBJECT')
+
     # Initialize the main chunk (primary):
     primary = _3ds_chunk(PRIMARY)
     # Add version chunk:
@@ -1025,8 +1028,6 @@ def save(operator,
         objects = (ob for ob in scene.objects if ob.is_visible(scene))
 
     for ob in objects:
-        ob.update_from_editmode()
-
         # get derived objects
         free, derived = create_derived_objects(scene, ob)
 
diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py
index 681e45343..90d693168 100644
--- a/io_scene_obj/export_obj.py
+++ b/io_scene_obj/export_obj.py
@@ -678,7 +678,6 @@ def _write(context, filepath,
     scene = context.scene
 
     # Exit edit mode before exporting, so current object states are exported properly.
-    # use this over obj.update_from_editmode() because of animation export.
     if bpy.ops.object.mode_set.poll():
         bpy.ops.object.mode_set(mode='OBJECT')
 
diff --git a/io_scene_vrml2/export_vrml2.py b/io_scene_vrml2/export_vrml2.py
index 78d1e45b0..29b76ddb9 100644
--- a/io_scene_vrml2/export_vrml2.py
+++ b/io_scene_vrml2/export_vrml2.py
@@ -177,10 +177,16 @@ def save_object(fw, global_matrix,
     assert(obj.type == 'MESH')
 
     if use_mesh_modifiers:
-        obj.update_from_editmode()
+        is_editmode = (obj.mode == 'EDIT')
+        if is_editmode:
+            bpy.ops.object.editmode_toggle()
+
         me = obj.to_mesh(scene, True, 'PREVIEW', calc_tessface=False)
         bm = bmesh.new()
         bm.from_mesh(me)
+
+        if is_editmode:
+            bpy.ops.object.editmode_toggle()
     else:
         me = obj.data
         if obj.mode == 'EDIT':
diff --git a/io_scene_x3d/export_x3d.py b/io_scene_x3d/export_x3d.py
index 8e2c62db0..0b3250441 100644
--- a/io_scene_x3d/export_x3d.py
+++ b/io_scene_x3d/export_x3d.py
@@ -1582,10 +1582,8 @@ def save(operator, context, filepath="",
 
     bpy.path.ensure_ext(filepath, '.x3dz' if use_compress else '.x3d')
 
-    edit_object = context.edit_object
-    if edit_object:
-        edit_object.update_from_editmode()
-    del edit_object
+    if bpy.ops.object.mode_set.poll():
+        bpy.ops.object.mode_set(mode='OBJECT')
 
     if use_compress:
         file = gzip_open_utf8(filepath, 'w')
-- 
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