597 lines
23 KiB
Python
597 lines
23 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# ./blender.bin --background -noaudio --python tests/python/bl_blendfile_liblink.py
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import bpy
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import os
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import sys
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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 TestBlendLibLinkHelper(TestHelper):
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def __init__(self, args):
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self.args = args
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@staticmethod
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def reset_blender():
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bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
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bpy.data.orphans_purge(do_recursive=True)
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def unique_blendfile_name(self, base_name):
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return base_name + self.__class__.__name__ + ".blend"
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def init_lib_data_basic(self):
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self.reset_blender()
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me = bpy.data.meshes.new("LibMesh")
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ob = bpy.data.objects.new("LibMesh", me)
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coll = bpy.data.collections.new("LibMesh")
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coll.objects.link(ob)
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bpy.context.scene.collection.children.link(coll)
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output_dir = self.args.output_dir
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self.ensure_path(output_dir)
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# Take care to keep the name unique so multiple test jobs can run at once.
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output_lib_path = os.path.join(output_dir, self.unique_blendfile_name("blendlib_basic"))
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bpy.ops.wm.save_as_mainfile(filepath=output_lib_path, check_existing=False, compress=False)
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return output_lib_path
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def init_lib_data_indirect_lib(self):
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output_dir = self.args.output_dir
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self.ensure_path(output_dir)
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# Create an indirect library containing a material.
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self.reset_blender()
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ma = bpy.data.materials.new("LibMaterial")
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ma.use_fake_user = True
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# Take care to keep the name unique so multiple test jobs can run at once.
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output_lib_path = os.path.join(output_dir, self.unique_blendfile_name("blendlib_indirect_material"))
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bpy.ops.wm.save_as_mainfile(filepath=output_lib_path, check_existing=False, compress=False)
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# Create a main library containing object etc., and linking material from indirect library.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Material")
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bpy.ops.wm.link(directory=link_dir, filename="LibMaterial")
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ma = bpy.data.materials[0]
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me = bpy.data.meshes.new("LibMesh")
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me.materials.append(ma)
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ob = bpy.data.objects.new("LibMesh", me)
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coll = bpy.data.collections.new("LibMesh")
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coll.objects.link(ob)
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bpy.context.scene.collection.children.link(coll)
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output_dir = self.args.output_dir
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self.ensure_path(output_dir)
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# Take care to keep the name unique so multiple test jobs can run at once.
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output_lib_path = os.path.join(output_dir, self.unique_blendfile_name("blendlib_indirect_main"))
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bpy.ops.wm.save_as_mainfile(filepath=output_lib_path, check_existing=False, compress=False)
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return output_lib_path
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class TestBlendLibLinkSaveLoadBasic(TestBlendLibLinkHelper):
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def __init__(self, args):
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self.args = args
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def test_link_save_load(self):
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output_dir = self.args.output_dir
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output_lib_path = self.init_lib_data_basic()
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# Simple link of a single ObData.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Mesh")
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bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_object_data=False)
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 0
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
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output_work_path = os.path.join(output_dir, self.unique_blendfile_name("blendfile"))
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bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
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bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
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read_data = self.blender_data_to_tuple(bpy.data, "read_data")
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# Since there is no usage of linked mesh, it is lost during save/reload.
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assert len(bpy.data.meshes) == 0
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assert orig_data != read_data
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# Simple link of a single ObData with obdata instantiation.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Mesh")
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bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_object_data=True)
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 1 # Instance created for the mesh ObData.
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
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bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
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bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
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read_data = self.blender_data_to_tuple(bpy.data, "read_data")
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assert orig_data == read_data
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# Simple link of a single Object.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Object")
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bpy.ops.wm.link(directory=link_dir, filename="LibMesh")
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 1
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
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bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
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bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
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read_data = self.blender_data_to_tuple(bpy.data, "read_data")
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assert orig_data == read_data
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# Simple link of a single Collection, with Empty-instantiation.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Collection")
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bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_collections=True)
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 2 # linked object and local empty instancing the collection
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assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
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orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
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bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
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bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
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read_data = self.blender_data_to_tuple(bpy.data, "read_data")
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assert orig_data == read_data
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# Simple link of a single Collection, with ViewLayer-instantiation.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Collection")
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bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_collections=False)
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 1
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assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
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# Linked collection should have been added to the scene's master collection children.
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assert bpy.data.collections[0] in set(bpy.data.scenes[0].collection.children)
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orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
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bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
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bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
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read_data = self.blender_data_to_tuple(bpy.data, "read_data")
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assert orig_data == read_data
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class TestBlendLibLinkIndirect(TestBlendLibLinkHelper):
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def __init__(self, args):
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self.args = args
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def test_append(self):
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output_dir = self.args.output_dir
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output_lib_path = self.init_lib_data_indirect_lib()
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# Simple link of a single ObData.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Mesh")
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bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_object_data=False)
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assert len(bpy.data.materials) == 1
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 0
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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mesh = bpy.data.meshes[0]
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material = bpy.data.materials[0]
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assert material.library is not None
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assert material.use_fake_user is True
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assert material.users == 2 # Fake user is not cleared when linking.
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assert material.is_library_indirect
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assert mesh.library is not None
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assert mesh.use_fake_user is False
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assert mesh.users == 0
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# IDs explicitely linked by the user are forcefully considered directly linked.
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assert mesh.is_library_indirect == False
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ob = bpy.data.objects.new("LocalMesh", mesh)
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coll = bpy.data.collections.new("LocalMesh")
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coll.objects.link(ob)
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bpy.context.scene.collection.children.link(coll)
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assert material.users == 2
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assert material.is_library_indirect
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assert mesh.users == 1
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assert mesh.is_library_indirect == False
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ob.material_slots[0].link = 'OBJECT'
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ob.material_slots[0].material = material
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assert material.users == 3
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assert material.is_library_indirect == False
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ob.material_slots[0].material = None
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assert material.users == 2
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# This is not properly updated whene removing a local user of linked data.
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assert material.is_library_indirect == False
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output_work_path = os.path.join(output_dir, self.unique_blendfile_name("blendfile"))
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bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
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assert material.users == 2
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# Currently linked data which has no more local user never gets reset to indirectly linked status.
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assert material.is_library_indirect
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bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
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assert len(bpy.data.materials) == 1
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assert len(bpy.data.meshes) == 1
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assert len(bpy.data.objects) == 1
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assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
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mesh = bpy.data.meshes[0]
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material = bpy.data.materials[0]
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assert material.library is not None
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assert material.use_fake_user is True
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assert material.users == 2 # Fake user is not cleared when linking.
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# Currently even re-reading the .blend file will not properly reset tag for indirectly linked data,
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# if their reference was written in the .blend file.
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assert material.is_library_indirect
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assert mesh.library is not None
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assert mesh.use_fake_user is False
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assert mesh.users == 1
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assert mesh.is_library_indirect == False
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class TestBlendLibAppendBasic(TestBlendLibLinkHelper):
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def __init__(self, args):
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self.args = args
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def test_append(self):
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output_dir = self.args.output_dir
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output_lib_path = self.init_lib_data_indirect_lib()
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# Simple append of a single ObData.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Mesh")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=False, use_recursive=False, do_reuse_local_id=False)
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assert len(bpy.data.materials) == 1
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assert bpy.data.materials[0].library is not None
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assert bpy.data.materials[0].users == 2 # Fake user is not cleared when linking.
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].use_fake_user is False
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assert bpy.data.meshes[0].users == 0
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assert len(bpy.data.objects) == 0
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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# Simple append of a single ObData with obdata instantiation.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Mesh")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=True, set_fake=False, use_recursive=False, do_reuse_local_id=False)
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assert len(bpy.data.materials) == 1
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assert bpy.data.materials[0].library is not None
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assert bpy.data.materials[0].users == 2 # Fake user is not cleared when linking.
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].use_fake_user is False
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assert bpy.data.meshes[0].users == 1
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assert len(bpy.data.objects) == 1 # Instance created for the mesh ObData.
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assert bpy.data.objects[0].library is None
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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# Simple append of a single ObData with fake user.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Mesh")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=True, use_recursive=False, do_reuse_local_id=False)
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assert len(bpy.data.materials) == 1
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assert bpy.data.materials[0].library is not None
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assert bpy.data.materials[0].users == 2 # Fake user is not cleared when linking.
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].use_fake_user is True
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assert bpy.data.meshes[0].users == 1
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assert len(bpy.data.objects) == 0
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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# Simple append of a single Object.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Object")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=False, use_recursive=False, do_reuse_local_id=False)
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assert len(bpy.data.materials) == 1
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assert bpy.data.materials[0].library is not None
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assert bpy.data.materials[0].users == 2 # Fake user is not cleared when linking.
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].users == 1
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assert len(bpy.data.objects) == 1
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assert bpy.data.objects[0].library is None
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assert bpy.data.objects[0].users == 1
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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# Simple recursive append of a single Object.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Object")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=False, use_recursive=True, do_reuse_local_id=False)
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assert len(bpy.data.materials) == 1
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assert bpy.data.materials[0].library is None
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assert bpy.data.materials[0].users == 1 # Fake user is cleared when appending.
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].users == 1
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assert len(bpy.data.objects) == 1
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assert bpy.data.objects[0].library is None
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assert bpy.data.objects[0].users == 1
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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# Simple recursive append of a single Collection.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Collection")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=False, use_recursive=True, do_reuse_local_id=False)
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assert len(bpy.data.materials) == 1
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assert bpy.data.materials[0].library is None
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assert bpy.data.materials[0].users == 1 # Fake user is cleared when appending.
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].users == 1
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assert len(bpy.data.objects) == 1
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assert bpy.data.objects[0].library is None
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assert bpy.data.objects[0].users == 1
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assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
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assert bpy.data.collections[0].library is None
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assert bpy.data.collections[0].users == 1
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class TestBlendLibAppendReuseID(TestBlendLibLinkHelper):
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def __init__(self, args):
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self.args = args
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def test_append(self):
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output_dir = self.args.output_dir
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output_lib_path = self.init_lib_data_basic()
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# Append of a single Object, and then append it again.
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self.reset_blender()
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link_dir = os.path.join(output_lib_path, "Object")
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=False, use_recursive=True, do_reuse_local_id=False)
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].use_fake_user is False
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assert bpy.data.meshes[0].users == 1
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assert bpy.data.meshes[0].library_weak_reference is not None
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assert bpy.data.meshes[0].library_weak_reference.filepath == output_lib_path
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assert bpy.data.meshes[0].library_weak_reference.id_name == "MELibMesh"
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assert len(bpy.data.objects) == 1
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for ob in bpy.data.objects:
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assert ob.library is None
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assert ob.library_weak_reference is None
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assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
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bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
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instance_object_data=False, set_fake=False, use_recursive=True, do_reuse_local_id=True)
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assert len(bpy.data.meshes) == 1
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assert bpy.data.meshes[0].library is None
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assert bpy.data.meshes[0].use_fake_user is False
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assert bpy.data.meshes[0].users == 2
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assert bpy.data.meshes[0].library_weak_reference is not None
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assert bpy.data.meshes[0].library_weak_reference.filepath == output_lib_path
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assert bpy.data.meshes[0].library_weak_reference.id_name == "MELibMesh"
|
|
assert len(bpy.data.objects) == 2
|
|
for ob in bpy.data.objects:
|
|
assert ob.library is None
|
|
assert ob.library_weak_reference is None
|
|
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
|
|
|
|
bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
|
|
instance_object_data=False, set_fake=False, use_recursive=True, do_reuse_local_id=False)
|
|
|
|
assert len(bpy.data.meshes) == 2
|
|
assert bpy.data.meshes[0].library_weak_reference is None
|
|
assert bpy.data.meshes[1].library is None
|
|
assert bpy.data.meshes[1].use_fake_user is False
|
|
assert bpy.data.meshes[1].users == 1
|
|
assert bpy.data.meshes[1].library_weak_reference is not None
|
|
assert bpy.data.meshes[1].library_weak_reference.filepath == output_lib_path
|
|
assert bpy.data.meshes[1].library_weak_reference.id_name == "MELibMesh"
|
|
assert len(bpy.data.objects) == 3
|
|
for ob in bpy.data.objects:
|
|
assert ob.library is None
|
|
assert ob.library_weak_reference is None
|
|
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
|
|
|
|
|
|
class TestBlendLibLibraryReload(TestBlendLibLinkHelper):
|
|
|
|
def __init__(self, args):
|
|
self.args = args
|
|
|
|
def test_link_reload(self):
|
|
output_dir = self.args.output_dir
|
|
output_lib_path = self.init_lib_data_basic()
|
|
|
|
# Simple link of a single Object, and reload.
|
|
self.reset_blender()
|
|
|
|
link_dir = os.path.join(output_lib_path, "Object")
|
|
bpy.ops.wm.link(directory=link_dir, filename="LibMesh")
|
|
|
|
assert len(bpy.data.meshes) == 1
|
|
assert len(bpy.data.objects) == 1
|
|
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
|
|
|
|
orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
|
|
|
|
bpy.ops.wm.lib_reload(library=bpy.data.objects[0].name)
|
|
|
|
reload_data = self.blender_data_to_tuple(bpy.data, "reload_data")
|
|
|
|
print(orig_data)
|
|
print(reload_data)
|
|
assert orig_data == reload_data
|
|
|
|
|
|
class TestBlendLibLibraryRelocate(TestBlendLibLinkHelper):
|
|
|
|
def __init__(self, args):
|
|
self.args = args
|
|
|
|
def test_link_relocate(self):
|
|
output_dir = self.args.output_dir
|
|
output_lib_path = self.init_lib_data_basic()
|
|
|
|
# Simple link of a single Object, and reload.
|
|
self.reset_blender()
|
|
|
|
link_dir = os.path.join(output_lib_path, "Object")
|
|
bpy.ops.wm.link(directory=link_dir, filename="LibMesh")
|
|
|
|
assert len(bpy.data.meshes) == 1
|
|
assert len(bpy.data.objects) == 1
|
|
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
|
|
|
|
orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
|
|
|
|
lib_path, lib_ext = os.path.splitext(output_lib_path)
|
|
new_lib_path = lib_path + "_relocate" + lib_ext
|
|
os.replace(output_lib_path, new_lib_path)
|
|
|
|
bpy.ops.wm.lib_relocate(library=bpy.data.objects[0].name, directory="", filename=new_lib_path)
|
|
|
|
relocate_data = self.blender_data_to_tuple(bpy.data, "relocate_data")
|
|
|
|
print(orig_data)
|
|
print(relocate_data)
|
|
assert orig_data == relocate_data
|
|
|
|
|
|
class TestBlendLibDataLibrariesLoad(TestBlendLibLinkHelper):
|
|
|
|
def __init__(self, args):
|
|
self.args = args
|
|
|
|
def test_link_relocate(self):
|
|
output_dir = self.args.output_dir
|
|
output_lib_path = self.init_lib_data_basic()
|
|
|
|
# Simple link of a single Object, and reload.
|
|
self.reset_blender()
|
|
|
|
with bpy.data.libraries.load(filepath=output_lib_path) as lib_ctx:
|
|
lib_src, lib_link = lib_ctx
|
|
|
|
assert len(lib_src.meshes) == 1
|
|
assert len(lib_src.objects) == 1
|
|
assert len(lib_src.collections) == 1
|
|
|
|
assert len(lib_link.meshes) == 0
|
|
assert len(lib_link.objects) == 0
|
|
assert len(lib_link.collections) == 0
|
|
|
|
lib_link.collections.append(lib_src.collections[0])
|
|
|
|
# Linking happens when living the context manager.
|
|
|
|
assert len(bpy.data.meshes) == 1
|
|
assert len(bpy.data.objects) == 1 # This code does no instantiation.
|
|
assert len(bpy.data.collections) == 1
|
|
|
|
|
|
TESTS = (
|
|
TestBlendLibLinkSaveLoadBasic,
|
|
TestBlendLibLinkIndirect,
|
|
|
|
TestBlendLibAppendBasic,
|
|
TestBlendLibAppendReuseID,
|
|
|
|
TestBlendLibLibraryReload,
|
|
TestBlendLibLibraryRelocate,
|
|
TestBlendLibDataLibrariesLoad,
|
|
)
|
|
|
|
|
|
def argparse_create():
|
|
import argparse
|
|
|
|
# When --help or no args are given, print this help
|
|
description = "Test basic IO of blend file."
|
|
parser = argparse.ArgumentParser(description=description)
|
|
parser.add_argument(
|
|
"--output-dir",
|
|
dest="output_dir",
|
|
default=".",
|
|
help="Where to output temp saved blendfiles",
|
|
required=False,
|
|
)
|
|
|
|
return parser
|
|
|
|
|
|
def main():
|
|
args = argparse_create().parse_args()
|
|
|
|
# Don't write thumbnails into the home directory.
|
|
bpy.context.preferences.filepaths.file_preview_type = 'NONE'
|
|
|
|
for Test in TESTS:
|
|
Test(args).run_all_tests()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
|
|
main()
|