b48978f067
All the Blender Institute Python webprojects are moving to Poetry; it works better than Pipenv in various regards.
89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
from shutil import copyfile
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import os
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from blender_asset_tracer import blendfile
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from tests.abstract_test import AbstractBlendFileTest
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class ModifyUncompressedTest(AbstractBlendFileTest):
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def setUp(self):
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self.orig = self.blendfiles / 'linked_cube.blend'
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self.to_modify = self.orig.with_name('linked_cube_modified.blend')
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copyfile(str(self.orig), str(self.to_modify)) # TODO: when requiring Python 3.6+, remove str()
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self.bf = blendfile.BlendFile(self.to_modify, mode='r+b')
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self.assertFalse(self.bf.is_compressed)
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def tearDown(self):
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super().tearDown()
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if self.to_modify.exists():
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self.to_modify.unlink()
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def test_change_path(self):
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library = self.bf.code_index[b'LI'][0]
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# Change it from absolute to relative.
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library[b'filepath'] = b'//basic_file.blend'
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library[b'name'] = b'//basic_file.blend'
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self.reload()
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library = self.bf.code_index[b'LI'][0]
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self.assertEqual(b'//basic_file.blend', library[b'filepath'])
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self.assertEqual(b'//basic_file.blend', library[b'name'])
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def test_block_hash(self):
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scene = self.bf.code_index[b'SC'][0]
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assert isinstance(scene, blendfile.BlendFileBlock)
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pre_hash = scene.hash()
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self.assertIsInstance(pre_hash, int)
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# Change the 'ed' pointer to some arbitrary value by hacking the blend file.
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psize = self.bf.header.pointer_size
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field, field_offset = scene.dna_type.field_from_path(psize, b'ed')
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self.bf.fileobj.seek(scene.file_offset + field_offset, os.SEEK_SET)
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self.bf.fileobj.write(b'12345678'[:psize])
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self.reload()
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scene = self.bf.code_index[b'SC'][0]
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post_hash = scene.hash()
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self.assertEqual(pre_hash, post_hash)
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def reload(self):
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self.bf.close()
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self.bf = blendfile.BlendFile(self.to_modify, mode='r+b')
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class ModifyCompressedTest(AbstractBlendFileTest):
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def setUp(self):
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self.orig = self.blendfiles / 'linked_cube_compressed.blend'
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self.to_modify = self.orig.with_name('linked_cube_modified.blend')
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copyfile(str(self.orig), str(self.to_modify)) # TODO: when requiring Python 3.6+, remove str()
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self.bf = blendfile.BlendFile(self.to_modify, mode='r+b')
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self.assertTrue(self.bf.is_compressed)
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def tearDown(self):
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if self.to_modify.exists():
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self.to_modify.unlink()
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def test_change_path(self):
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library = self.bf.code_index[b'LI'][0]
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# Change it from absolute to relative.
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library[b'filepath'] = b'//basic_file.blend'
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library[b'name'] = b'//basic_file.blend'
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# Reload the blend file to inspect that it was written properly.
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self.bf.close()
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self.bf = blendfile.BlendFile(self.to_modify, mode='r+b')
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library = self.bf.code_index[b'LI'][0]
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self.assertEqual(b'//basic_file.blend', library[b'filepath'])
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self.assertEqual(b'//basic_file.blend', library[b'name'])
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