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
43
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
166
167
168
169
170
|
# SPDX-FileCopyrightText: 2011-2022 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
import sys
import os
# may split this out into a new file
def replace_bpy_app_version():
""" So MD5's are predictable from output which uses blenders versions.
"""
import bpy
app = bpy.app
app_fake = type(bpy)("bpy.app")
for attr in dir(app):
if not attr.startswith("_"):
setattr(app_fake, attr, getattr(app, attr))
app_fake.version = 0, 0, 0
app_fake.version_string = "0.00 (sub 0)"
bpy.app = app_fake
def clear_startup_blend():
import bpy
for col in bpy.data.collections:
for obj in col.objects:
col.objects.unlink(obj)
def blend_to_md5():
import bpy
scene = bpy.context.scene
ROUND = 4
def matrix2str(matrix):
return "".join([str(round(axis, ROUND)) for vector in matrix for axis in vector]).encode('ASCII')
def coords2str(seq, attr):
return "".join([str(round(axis, ROUND)) for vertex in seq for axis in getattr(vertex, attr)]).encode('ASCII')
import hashlib
md5 = hashlib.new("md5")
md5_update = md5.update
for obj in scene.objects:
md5_update(matrix2str(obj.matrix_world))
data = obj.data
if type(data) == bpy.types.Mesh:
md5_update(coords2str(data.vertices, "co"))
elif type(data) == bpy.types.Curve:
for spline in data.splines:
md5_update(coords2str(spline.bezier_points, "co"))
md5_update(coords2str(spline.points, "co"))
return md5.hexdigest()
def main():
argv = sys.argv
print(" args:", " ".join(argv))
argv = argv[argv.index("--") + 1:]
def arg_extract(arg, optional=True, array=False):
arg += "="
if array:
value = []
else:
value = None
i = 0
while i < len(argv):
if argv[i].startswith(arg):
item = argv[i][len(arg):]
del argv[i]
i -= 1
if array:
value.append(item)
else:
value = item
break
i += 1
if (not value) and (not optional):
print(" '%s' not set" % arg)
sys.exit(1)
return value
run = arg_extract("--run", optional=False)
md5 = arg_extract("--md5", optional=False)
md5_method = arg_extract("--md5_method", optional=False) # 'SCENE' / 'FILE'
# only when md5_method is 'FILE'
md5_source = arg_extract("--md5_source", optional=True, array=True)
# save blend file, for testing
write_blend = arg_extract("--write-blend", optional=True)
# ensure files are written anew
for f in md5_source:
if os.path.exists(f):
os.remove(f)
import bpy
replace_bpy_app_version()
if not bpy.data.filepath:
clear_startup_blend()
print(" Running: '%s'" % run)
print(" MD5: '%s'!" % md5)
result = eval(run)
if write_blend is not None:
print(" Writing Blend: %s" % write_blend)
bpy.ops.wm.save_mainfile('EXEC_DEFAULT', filepath=write_blend)
print(" Result: '%s'" % str(result))
if not result:
print(" Running: %s -> False" % run)
sys.exit(1)
if md5_method == 'SCENE':
md5_new = blend_to_md5()
elif md5_method == 'FILE':
if not md5_source:
print(" Missing --md5_source argument")
sys.exit(1)
for f in md5_source:
if not os.path.exists(f):
print(" Missing --md5_source=%r argument does not point to a file")
sys.exit(1)
import hashlib
md5_instance = hashlib.new("md5")
md5_update = md5_instance.update
for f in md5_source:
filehandle = open(f, "rb")
md5_update(filehandle.read())
filehandle.close()
md5_new = md5_instance.hexdigest()
else:
print(" Invalid --md5_method=%s argument is not a valid source")
sys.exit(1)
if md5 != md5_new:
print(" Running: %s\n MD5 Received: %s\n MD5 Expected: %s" % (run, md5_new, md5))
sys.exit(1)
print(" Success: %s" % run)
if __name__ == "__main__":
main()
|
