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tornavis/tests/python/bl_blendfile_liblink.py

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# SPDX-FileCopyrightText: 2020-2023 Blender Authors
#
# SPDX-License-Identifier: Apache-2.0
# ./blender.bin --background -noaudio --python tests/python/bl_blendfile_liblink.py
import bpy
import os
import sys
sys.path.append(os.path.dirname(os.path.realpath(__file__)))
from bl_blendfile_utils import TestHelper
class TestBlendLibLinkHelper(TestHelper):
def __init__(self, args):
self.args = args
@staticmethod
def reset_blender():
bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
bpy.data.orphans_purge(do_recursive=True)
def unique_blendfile_name(self, base_name):
return base_name + self.__class__.__name__ + ".blend"
def init_lib_data_basic(self):
self.reset_blender()
me = bpy.data.meshes.new("LibMesh")
ob = bpy.data.objects.new("LibMesh", me)
coll = bpy.data.collections.new("LibMesh")
coll.objects.link(ob)
bpy.context.scene.collection.children.link(coll)
output_dir = self.args.output_dir
self.ensure_path(output_dir)
# Take care to keep the name unique so multiple test jobs can run at once.
output_lib_path = os.path.join(output_dir, self.unique_blendfile_name("blendlib_basic"))
bpy.ops.wm.save_as_mainfile(filepath=output_lib_path, check_existing=False, compress=False)
return output_lib_path
def init_lib_data_indirect_lib(self):
output_dir = self.args.output_dir
self.ensure_path(output_dir)
# Create an indirect library containing a material.
self.reset_blender()
ma = bpy.data.materials.new("LibMaterial")
ma.use_fake_user = True
# Take care to keep the name unique so multiple test jobs can run at once.
output_lib_path = os.path.join(output_dir, self.unique_blendfile_name("blendlib_indirect_material"))
bpy.ops.wm.save_as_mainfile(filepath=output_lib_path, check_existing=False, compress=False)
# Create a main library containing object etc., and linking material from indirect library.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Material")
bpy.ops.wm.link(directory=link_dir, filename="LibMaterial")
ma = bpy.data.materials[0]
me = bpy.data.meshes.new("LibMesh")
me.materials.append(ma)
ob = bpy.data.objects.new("LibMesh", me)
coll = bpy.data.collections.new("LibMesh")
coll.objects.link(ob)
bpy.context.scene.collection.children.link(coll)
output_dir = self.args.output_dir
self.ensure_path(output_dir)
# Take care to keep the name unique so multiple test jobs can run at once.
output_lib_path = os.path.join(output_dir, self.unique_blendfile_name("blendlib_indirect_main"))
bpy.ops.wm.save_as_mainfile(filepath=output_lib_path, check_existing=False, compress=False)
return output_lib_path
class TestBlendLibLinkSaveLoadBasic(TestBlendLibLinkHelper):
def __init__(self, args):
self.args = args
def test_link_save_load(self):
output_dir = self.args.output_dir
output_lib_path = self.init_lib_data_basic()
# Simple link of a single ObData.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Mesh")
bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_object_data=False)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 0
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")
output_work_path = os.path.join(output_dir, self.unique_blendfile_name("blendfile"))
bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
read_data = self.blender_data_to_tuple(bpy.data, "read_data")
# Since there is no usage of linked mesh, it is lost during save/reload.
assert len(bpy.data.meshes) == 0
assert orig_data != read_data
# Simple link of a single ObData with obdata instantiation.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Mesh")
bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_object_data=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # Instance created for the mesh ObData.
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.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
read_data = self.blender_data_to_tuple(bpy.data, "read_data")
assert orig_data == read_data
# Simple link of a single Object.
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.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
read_data = self.blender_data_to_tuple(bpy.data, "read_data")
assert orig_data == read_data
# Simple link of a single Collection, with Empty-instantiation.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Collection")
bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_collections=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 2 # linked object and local empty instancing the collection
assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
read_data = self.blender_data_to_tuple(bpy.data, "read_data")
assert orig_data == read_data
# Simple link of a single Collection, with ViewLayer-instantiation.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Collection")
bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_collections=False)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1
assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
# Linked collection should have been added to the scene's master collection children.
assert bpy.data.collections[0] in set(bpy.data.scenes[0].collection.children)
orig_data = self.blender_data_to_tuple(bpy.data, "orig_data")
bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
read_data = self.blender_data_to_tuple(bpy.data, "read_data")
assert orig_data == read_data
class TestBlendLibLinkIndirect(TestBlendLibLinkHelper):
def __init__(self, args):
self.args = args
def test_append(self):
output_dir = self.args.output_dir
output_lib_path = self.init_lib_data_indirect_lib()
# Simple link of a single ObData.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Mesh")
bpy.ops.wm.link(directory=link_dir, filename="LibMesh", instance_object_data=False)
assert len(bpy.data.materials) == 1
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 0
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
mesh = bpy.data.meshes[0]
material = bpy.data.materials[0]
assert material.library is not None
assert material.use_fake_user is False # Fake user is cleared when linking.
assert material.users == 1
assert material.is_library_indirect is True
assert mesh.library is not None
assert mesh.use_fake_user is False
assert mesh.users == 0
# IDs explicitely linked by the user are forcefully considered directly linked.
assert mesh.is_library_indirect is False
ob = bpy.data.objects.new("LocalMesh", mesh)
coll = bpy.data.collections.new("LocalMesh")
coll.objects.link(ob)
bpy.context.scene.collection.children.link(coll)
assert material.users == 1
assert material.is_library_indirect is True
assert mesh.users == 1
assert mesh.is_library_indirect is False
ob.material_slots[0].link = 'OBJECT'
ob.material_slots[0].material = material
assert material.users == 2
assert material.is_library_indirect is False
ob.material_slots[0].material = None
assert material.users == 1
# This is not properly updated whene removing a local user of linked data.
assert material.is_library_indirect is False
output_work_path = os.path.join(output_dir, self.unique_blendfile_name("blendfile"))
bpy.ops.wm.save_as_mainfile(filepath=output_work_path, check_existing=False, compress=False)
assert material.users == 1
assert material.is_library_indirect is True
bpy.ops.wm.open_mainfile(filepath=output_work_path, load_ui=False)
assert len(bpy.data.materials) == 1
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1
assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
mesh = bpy.data.meshes[0]
material = bpy.data.materials[0]
assert material.library is not None
assert material.use_fake_user is False # Fake user is cleared when linking.
assert material.users == 1
assert material.is_library_indirect is True
assert mesh.library is not None
assert mesh.use_fake_user is False
assert mesh.users == 1
assert mesh.is_library_indirect is False
class TestBlendLibAppendBasic(TestBlendLibLinkHelper):
def __init__(self, args):
self.args = args
def test_append(self):
output_dir = self.args.output_dir
output_lib_path = self.init_lib_data_indirect_lib()
# Simple append of a single ObData.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Mesh")
bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
instance_object_data=False, set_fake=False, use_recursive=False, do_reuse_local_id=False)
assert len(bpy.data.materials) == 1
assert bpy.data.materials[0].library is not None
assert bpy.data.materials[0].users == 1 # Fake user is cleared when linking.
assert len(bpy.data.meshes) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].use_fake_user is False
assert bpy.data.meshes[0].users == 0
assert len(bpy.data.objects) == 0
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
# Simple append of a single ObData with obdata instantiation.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Mesh")
bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
instance_object_data=True, set_fake=False, use_recursive=False, do_reuse_local_id=False)
assert len(bpy.data.materials) == 1
assert bpy.data.materials[0].library is not None
assert bpy.data.materials[0].users == 1 # Fake user is cleared when linking.
assert len(bpy.data.meshes) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].use_fake_user is False
assert bpy.data.meshes[0].users == 1
assert len(bpy.data.objects) == 1 # Instance created for the mesh ObData.
assert bpy.data.objects[0].library is None
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
# Simple append of a single ObData with fake user.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Mesh")
bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
instance_object_data=False, set_fake=True, use_recursive=False, do_reuse_local_id=False)
assert len(bpy.data.materials) == 1
assert bpy.data.materials[0].library is not None
assert bpy.data.materials[0].users == 1 # Fake user is cleared when linking.
assert len(bpy.data.meshes) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].use_fake_user is True
assert bpy.data.meshes[0].users == 1
assert len(bpy.data.objects) == 0
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
# Simple append of a single Object.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Object")
bpy.ops.wm.append(directory=link_dir, filename="LibMesh",
instance_object_data=False, set_fake=False, use_recursive=False, do_reuse_local_id=False)
assert len(bpy.data.materials) == 1
assert bpy.data.materials[0].library is not None
assert bpy.data.materials[0].users == 1 # Fake user is cleared when linking.
assert len(bpy.data.meshes) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].users == 1
assert len(bpy.data.objects) == 1
assert bpy.data.objects[0].library is None
assert bpy.data.objects[0].users == 1
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
# Simple recursive append of a single Object.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Object")
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.materials) == 1
assert bpy.data.materials[0].library is None
assert bpy.data.materials[0].users == 1 # Fake user is cleared when appending.
assert len(bpy.data.meshes) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].users == 1
assert len(bpy.data.objects) == 1
assert bpy.data.objects[0].library is None
assert bpy.data.objects[0].users == 1
assert len(bpy.data.collections) == 0 # Scene's master collection is not listed here
# Simple recursive append of a single Collection.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Collection")
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.materials) == 1
assert bpy.data.materials[0].library is None
assert bpy.data.materials[0].users == 1 # Fake user is cleared when appending.
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].users == 1
assert len(bpy.data.objects) == 1
assert bpy.data.objects[0].library is None
assert bpy.data.objects[0].users == 1
assert len(bpy.data.collections) == 1 # Scene's master collection is not listed here
assert bpy.data.collections[0].library is None
assert bpy.data.collections[0].users == 1
class TestBlendLibAppendReuseID(TestBlendLibLinkHelper):
def __init__(self, args):
self.args = args
def test_append(self):
output_dir = self.args.output_dir
output_lib_path = self.init_lib_data_basic()
# Append of a single Object, and then append it again.
self.reset_blender()
link_dir = os.path.join(output_lib_path, "Object")
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) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].use_fake_user is False
assert bpy.data.meshes[0].users == 1
assert bpy.data.meshes[0].library_weak_reference is not None
assert bpy.data.meshes[0].library_weak_reference.filepath == output_lib_path
assert bpy.data.meshes[0].library_weak_reference.id_name == "MELibMesh"
assert len(bpy.data.objects) == 1
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=True)
assert len(bpy.data.meshes) == 1
assert bpy.data.meshes[0].library is None
assert bpy.data.meshes[0].use_fake_user is False
assert bpy.data.meshes[0].users == 2
assert bpy.data.meshes[0].library_weak_reference is not None
assert bpy.data.meshes[0].library_weak_reference.filepath == output_lib_path
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
# Python library loader context manager.
class TestBlendLibDataLibrariesLoad(TestBlendLibLinkHelper):
def __init__(self, args):
self.args = args
def do_libload_init(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()
return output_lib_path
def do_libload(self, **load_kwargs):
with bpy.data.libraries.load(**load_kwargs) 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/append/liboverride happens when living the context manager.
class TestBlendLibDataLibrariesLoadAppend(TestBlendLibDataLibrariesLoad):
def test_libload_append(self):
output_lib_path = self.do_libload_init()
self.do_libload(filepath=output_lib_path, link=False, create_liboverrides=False)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 1
# Append, so all data should have been made local.
assert bpy.data.meshes[0].library is None
assert bpy.data.objects[0].library is None
assert bpy.data.collections[0].library is None
class TestBlendLibDataLibrariesLoadLink(TestBlendLibDataLibrariesLoad):
def test_libload_link(self):
output_lib_path = self.do_libload_init()
self.do_libload(filepath=output_lib_path, link=True, create_liboverrides=False)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 1
# Link, so all data should have remained linked.
assert bpy.data.meshes[0].library is not None
assert bpy.data.objects[0].library is not None
assert bpy.data.collections[0].library is not None
class TestBlendLibDataLibrariesLoadLibOverride(TestBlendLibDataLibrariesLoad):
def test_libload_liboverride(self):
output_lib_path = self.do_libload_init()
self.do_libload(filepath=output_lib_path, link=True, create_liboverrides=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 2 # The linked one and its local liboverride.
# Link + LibOverride, so linked data should have remained linked.
assert bpy.data.meshes[-1].library is not None
assert bpy.data.objects[-1].library is not None
assert bpy.data.collections[-1].library is not None
# Only explicitely linked data gets a liboverride, without any handling of hierarchy/dependencies.
assert bpy.data.collections[0].library is None
assert bpy.data.collections[0].is_runtime_data is False
assert bpy.data.collections[0].override_library is not None
assert bpy.data.collections[0].override_library.reference == bpy.data.collections[-1]
# Should create another liboverride for the linked collection.
self.do_libload(filepath=output_lib_path, link=True, create_liboverrides=True, reuse_liboverrides=False)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 3 # The linked one and its two local liboverrides.
# Link + LibOverride, so linked data should have remained linked.
assert bpy.data.meshes[-1].library is not None
assert bpy.data.objects[-1].library is not None
assert bpy.data.collections[-1].library is not None
# Only explicitely linked data gets a liboverride, without any handling of hierarchy/dependencies.
assert bpy.data.collections[1].library is None
assert bpy.data.collections[1].is_runtime_data is False
assert bpy.data.collections[1].override_library is not None
assert bpy.data.collections[1].override_library.reference == bpy.data.collections[-1]
# This call should not change anything, first liboverrides should be found and 'reused'.
self.do_libload(filepath=output_lib_path, link=True, create_liboverrides=True, reuse_liboverrides=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 3 # The linked one and its two local liboverrides.
# Link + LibOverride, so linked data should have remained linked.
assert bpy.data.meshes[-1].library is not None
assert bpy.data.objects[-1].library is not None
assert bpy.data.collections[-1].library is not None
# Only explicitely linked data gets a liboverride, without any handling of hierarchy/dependencies.
assert bpy.data.collections[1].library is None
assert bpy.data.collections[1].is_runtime_data is False
assert bpy.data.collections[1].override_library is not None
assert bpy.data.collections[1].override_library.reference == bpy.data.collections[-1]
def test_libload_liboverride_runtime(self):
output_lib_path = self.do_libload_init()
self.do_libload(filepath=output_lib_path, link=True,
create_liboverrides=True,
create_liboverrides_runtime=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 2 # The linked one and its local liboverride.
# Link + LibOverride, so linked data should have remained linked.
assert bpy.data.meshes[-1].library is not None
assert bpy.data.objects[-1].library is not None
assert bpy.data.collections[-1].library is not None
# Only explicitely linked data gets a liboverride, without any handling of hierarchy/dependencies.
assert bpy.data.collections[0].library is None
assert bpy.data.collections[0].is_runtime_data is True
assert bpy.data.collections[0].override_library is not None
assert bpy.data.collections[0].override_library.reference == bpy.data.collections[-1]
# This call should not change anything, first liboverrides should be found and 'reused'.
self.do_libload(filepath=output_lib_path,
link=True,
create_liboverrides=True,
create_liboverrides_runtime=True,
reuse_liboverrides=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 2 # The linked one and its local liboverride.
# Link + LibOverride, so linked data should have remained linked.
assert bpy.data.meshes[-1].library is not None
assert bpy.data.objects[-1].library is not None
assert bpy.data.collections[-1].library is not None
# Only explicitely linked data gets a liboverride, without any handling of hierarchy/dependencies.
assert bpy.data.collections[0].library is None
assert bpy.data.collections[0].is_runtime_data is True
assert bpy.data.collections[0].override_library is not None
assert bpy.data.collections[0].override_library.reference == bpy.data.collections[-1]
# Should create another liboverride for the linked collection, since this time we request a non-runtime one.
self.do_libload(filepath=output_lib_path,
link=True,
create_liboverrides=True,
create_liboverrides_runtime=False,
reuse_liboverrides=True)
assert len(bpy.data.meshes) == 1
assert len(bpy.data.objects) == 1 # This code does no instantiation.
assert len(bpy.data.collections) == 3 # The linked one and its two local liboverrides.
# Link + LibOverride, so linked data should have remained linked.
assert bpy.data.meshes[-1].library is not None
assert bpy.data.objects[-1].library is not None
assert bpy.data.collections[-1].library is not None
# Only explicitely linked data gets a liboverride, without any handling of hierarchy/dependencies.
assert bpy.data.collections[1].library is None
assert bpy.data.collections[1].is_runtime_data is False
assert bpy.data.collections[1].override_library is not None
assert bpy.data.collections[1].override_library.reference == bpy.data.collections[-1]
TESTS = (
TestBlendLibLinkSaveLoadBasic,
TestBlendLibLinkIndirect,
TestBlendLibAppendBasic,
TestBlendLibAppendReuseID,
TestBlendLibLibraryReload,
TestBlendLibLibraryRelocate,
TestBlendLibDataLibrariesLoadAppend,
TestBlendLibDataLibrariesLoadLink,
TestBlendLibDataLibrariesLoadLibOverride,
)
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()
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