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|
#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2018-2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
"""
Call as follows:
python collada_mesh_simple.py --blender PATH_TO_BLENDER_EXE --testdir tests/data/collada/mesh
"""
import sys
import bpy
import argparse
import functools
import shutil
import tempfile
import unittest
import difflib
import pathlib
from pathlib import Path
def with_tempdir(wrapped):
"""Creates a temporary directory for the function, cleaning up after it returns normally.
When the wrapped function raises an exception, the contents of the temporary directory
remain available for manual inspection.
The wrapped function is called with an extra positional argument containing
the pathlib.Path() of the temporary directory.
"""
@functools.wraps(wrapped)
def decorator(*args, **kwargs):
dirname = tempfile.mkdtemp(prefix='blender-collada-test')
# print("Using tempdir %s" % dirname)
try:
retval = wrapped(*args, pathlib.Path(dirname), **kwargs)
except:
print('Exception in %s, not cleaning up temporary directory %s' % (wrapped, dirname))
raise
else:
shutil.rmtree(dirname)
return retval
return decorator
LINE = "+----------------------------------------------------------------"
class AbstractColladaTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.testdir = pathlib.Path(args.testdir)
def checkdae(self, reference, export):
"""
collada verifier checks if exported dae file is the same as reference dae
"""
ref = open(reference)
exp = open(export)
diff = difflib.unified_diff(ref.readlines(), exp.readlines(), lineterm='', n=0)
ref.close()
exp.close()
diff_count = 0
for line in diff:
error = True
for prefix in ('---', '+++', '@@'):
# Ignore diff metadata
if line.startswith(prefix):
error = False
break
else:
# Ignore time stamps
for ignore in ('<created>', '<modified>', '<authoring_tool>'):
if line[1:].strip().startswith(ignore):
error = False
break
if error:
diff_count += 1
pline = line.strip()
if diff_count == 1:
print("\n%s" % LINE)
print("|Test has errors:")
print(LINE)
pre = "reference" if pline[0] == "-" else "generated"
print("| %s:%s" % (pre, pline[1:]))
if diff_count > 0:
print(LINE)
print("ref :%s" % reference)
print("test:%s" % export)
print("%s\n" % LINE)
return diff_count == 0
class MeshExportTest(AbstractColladaTest):
@with_tempdir
def test_export_single_mesh(self, tempdir: pathlib.Path):
test = "mesh_simple_001"
reference_dae = self.testdir / Path("%s.dae" % test)
outfile = tempdir / Path("%s_out.dae" % test)
bpy.ops.wm.collada_export(
filepath=str(outfile),
check_existing=True,
filemode=8,
display_type="DEFAULT",
sort_method="FILE_SORT_ALPHA",
apply_modifiers=False,
export_mesh_type=0,
export_mesh_type_selection="view",
selected=False,
include_children=False,
include_armatures=False,
include_shapekeys=True,
deform_bones_only=False,
sampling_rate=0,
active_uv_only=False,
use_texture_copies=True,
triangulate=False,
use_object_instantiation=True,
use_blender_profile=True,
sort_by_name=False,
export_transformation_type=0,
export_transformation_type_selection="matrix",
export_texture_type=0,
export_texture_type_selection="mat",
open_sim=False,
limit_precision=False,
keep_bind_info=False,
)
# Now check the resulting Collada file.
if not self.checkdae(reference_dae, outfile):
self.fail()
if __name__ == '__main__':
sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
parser = argparse.ArgumentParser()
parser.add_argument('--testdir', required=True)
args, remaining = parser.parse_known_args()
unittest.main(argv=sys.argv[0:1] + remaining)
|
