108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
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# Apache License, Version 2.0
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# ./blender.bin --background -noaudio --python tests/python/bl_blendfile_library_overrides.py
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import pathlib
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import bpy
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import sys
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import os
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import unittest
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sys.path.append(os.path.dirname(os.path.realpath(__file__)))
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from bl_blendfile_utils import TestHelper
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class TestLibraryOverrides(TestHelper, unittest.TestCase):
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MESH_LIBRARY_PARENT = "LibMeshParent"
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OBJECT_LIBRARY_PARENT = "LibMeshParent"
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MESH_LIBRARY_CHILD = "LibMeshChild"
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OBJECT_LIBRARY_CHILD = "LibMeshChild"
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def __init__(self, args):
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self.args = args
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output_dir = pathlib.Path(self.args.output_dir)
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self.ensure_path(str(output_dir))
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self.output_path = output_dir / "blendlib_overrides.blend"
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self.test_output_path = output_dir / "blendlib_overrides_test.blend"
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bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
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mesh = bpy.data.meshes.new(TestLibraryOverrides.MESH_LIBRARY_PARENT)
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obj = bpy.data.objects.new(TestLibraryOverrides.OBJECT_LIBRARY_PARENT, object_data=mesh)
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bpy.context.collection.objects.link(obj)
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mesh_child = bpy.data.meshes.new(TestLibraryOverrides.MESH_LIBRARY_CHILD)
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obj_child = bpy.data.objects.new(TestLibraryOverrides.OBJECT_LIBRARY_CHILD, object_data=mesh_child)
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obj_child.parent = obj
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bpy.context.collection.objects.link(obj_child)
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bpy.ops.wm.save_as_mainfile(filepath=str(self.output_path), check_existing=False, compress=False)
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def __ensure_override_library_updated(self):
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# During save the override_library is updated.
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bpy.ops.wm.save_as_mainfile(filepath=str(self.test_output_path), check_existing=False, compress=False)
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def test_link_and_override_property(self):
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bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
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bpy.data.orphans_purge()
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link_dir = self.output_path / "Object"
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bpy.ops.wm.link(directory=str(link_dir), filename=TestLibraryOverrides.OBJECT_LIBRARY_PARENT)
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obj = bpy.data.objects[TestLibraryOverrides.OBJECT_LIBRARY_PARENT]
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assert(obj.override_library is None)
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local_id = obj.override_create()
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assert(local_id.override_library)
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assert(local_id.data.override_library is None)
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assert(len(local_id.override_library.properties) == 0)
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local_id.location.y = 1.0
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self.__ensure_override_library_updated()
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assert (len(local_id.override_library.properties) == 1)
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assert(len(local_id.override_library.properties) == 1)
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override_prop = local_id.override_library.properties[0]
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assert(override_prop.rna_path, "location");
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assert(len(override_prop.operations) == 1)
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override_operation = override_prop.operations[0]
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assert (override_operation.operation == 'REPLACE')
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# Setting location.y overridded all elements in the location array. -1 is a wildcard.
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assert(override_operation.subitem_local_index == -1)
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TESTS = (
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TestLibraryOverrides,
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)
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def argparse_create():
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import argparse
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# When --help or no args are given, print this help
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description = "Test library overrides of blend file."
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parser = argparse.ArgumentParser(description=description)
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parser.add_argument(
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"--output-dir",
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dest="output_dir",
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default=".",
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help="Where to output temp saved blendfiles",
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required=False,
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)
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return parser
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def main():
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args = argparse_create().parse_args()
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# Don't write thumbnails into the home directory.
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bpy.context.preferences.filepaths.use_save_preview_images = False
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for Test in TESTS:
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Test(args).run_all_tests()
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if __name__ == '__main__':
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import sys
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sys.argv = [__file__] + \
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(sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
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main()
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