Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
import bpy
from bpy.types import (
Operator,
Panel,
)
from bpy.props import (StringProperty, )
bl_info = {
"name": "Dependency Graph Debug",
"author": "Sergey Sharybin",
"version": (0, 1),
"blender": (2, 79, 0),
"description": "Various dependency graph debugging tools",
"warning": "",
"wiki_url": "",
"tracker_url": "",
"category": "Development"}
def _get_depsgraph(context):
scene = context.scene
if bpy.app.version < (2, 80, 0,):
return scene.depsgraph
else:
scene_layer = scene.view_layers.active
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
return scene_layer.depsgraph
class SCENE_OT_depsgraph_graphviz(Operator):
bl_idname = "scene.depsgraph_graphviz"
bl_label = "Save Depsgraph"
bl_description = "Save current scene's dependency graph to a graphviz file"
filepath = StringProperty(
name="File Path",
description="Filepath used for saving the file",
maxlen=1024,
subtype='FILE_PATH',
)
@classmethod
def poll(cls, context):
depsgraph = _get_depsgraph(context)
return depsgraph is not None
def invoke(self, context, event):
import os
if not self.filepath:
blend_filepath = context.blend_data.filepath
if not blend_filepath:
blend_filepath = "deg"
else:
blend_filepath = os.path.splitext(blend_filepath)[0]
self.filepath = blend_filepath + ".dot"
context.window_manager.fileselect_add(self)
return {'RUNNING_MODAL'}
def execute(self, context):
depsgraph = _get_depsgraph(context)
depsgraph.debug_graphviz(self.filepath)
return {'FINISHED'}
class SCENE_OT_depsgraph_image(Operator):
bl_idname = "scene.depsgraph_image"
bl_label = "Depsgraph as Image"
bl_description = "Create new image datablock from the dependency graph"
def _getOrCreateImageForAbsPath(self, filepath):
for image in bpy.data.images:
if image.filepath == filepath:
image.reload()
return image
return bpy.data.images.load(filepath, check_existing=True)
def _findBestImageEditor(self, context, image):
first_none_editor = None
for area in context.screen.areas:
if area.type != 'IMAGE_EDITOR':
continue
for space in area.spaces:
if space.type != 'IMAGE_EDITOR':
continue
if not space.image:
first_none_editor = space
else:
if space.image == image:
return space
return first_none_editor
def execute(self, context):
import os
import subprocess
import tempfile
# Create temporary file.
fd, dot_filepath = tempfile.mkstemp(suffix=".dot")
os.close(fd)
# Save dependency graph to graphviz file.
depsgraph = _get_depsgraph(context)
depsgraph.debug_graphviz(dot_filepath)
# Convert graphviz to PNG image.
png_filepath = os.path.join(bpy.app.tempdir, "depsgraph.png")
command = ("dot", "-Tpng", dot_filepath, "-o", png_filepath)
image = None
try:
subprocess.run(command)
# Open image in Blender.
image = self._getOrCreateImageForAbsPath(png_filepath)
except:
self.report({'ERROR'}, "Error invoking dot command")
return {'CANCELLED'}
finally:
# Remove graphviz file.
os.remove(dot_filepath)
editor = self._findBestImageEditor(context, image)
if editor:
editor.image = image
return {'FINISHED'}
class SCENE_PT_depsgraph(bpy.types.Panel):
bl_label = "Dependency Graph"
bl_space_type = "PROPERTIES"
bl_region_type = "WINDOW"
bl_context = "scene"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
if bpy.app.version >= (2, 80, 0,):
return False
depsgraph = _get_depsgraph(context)
return depsgraph is not None
def draw(self, context):
layout = self.layout
layout.operator("scene.depsgraph_graphviz")
layout.operator("scene.depsgraph_image")
class RENDERLAYER_PT_depsgraph(bpy.types.Panel):
bl_label = "Dependency Graph"
bl_space_type = "PROPERTIES"
bl_region_type = "WINDOW"
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
if bpy.app.version < (2, 80, 0,):
return False
depsgraph = _get_depsgraph(context)
return depsgraph is not None
def draw(self, context):
layout = self.layout
layout.operator("scene.depsgraph_graphviz")
layout.operator("scene.depsgraph_image")
def register():
bpy.utils.register_class(SCENE_OT_depsgraph_graphviz)
bpy.utils.register_class(SCENE_OT_depsgraph_image)
bpy.utils.register_class(SCENE_PT_depsgraph)
bpy.utils.register_class(RENDERLAYER_PT_depsgraph)
def unregister():
bpy.utils.unregister_class(SCENE_OT_depsgraph_graphviz)
bpy.utils.unregister_class(SCENE_OT_depsgraph_image)
bpy.utils.unregister_class(SCENE_PT_depsgraph)
bpy.utils.unregister_class(RENDERLAYER_PT_depsgraph)
if __name__ == "__main__":
register()