blender/tests/python/bl_blendfile_library_overrides.py

879 lines
42 KiB
Python

# SPDX-FileCopyrightText: 2021-2023 Blender Authors
#
# SPDX-License-Identifier: Apache-2.0
# ./blender.bin --background --python tests/python/bl_blendfile_library_overrides.py -- --output-dir=/tmp/
import pathlib
import bpy
import sys
import os
sys.path.append(os.path.dirname(os.path.realpath(__file__)))
from bl_blendfile_utils import TestHelper
class TestLibraryOverrides(TestHelper):
MESH_LIBRARY_PARENT = "LibMeshParent"
OBJECT_LIBRARY_PARENT = "LibMeshParent"
MESH_LIBRARY_CHILD = "LibMeshChild"
OBJECT_LIBRARY_CHILD = "LibMeshChild"
MESH_LIBRARY_PERMISSIVE = "LibMeshPermissive"
OBJECT_LIBRARY_PERMISSIVE = "LibMeshPermissive"
def __init__(self, args):
super().__init__(args)
output_dir = pathlib.Path(self.args.output_dir)
self.ensure_path(str(output_dir))
self.output_path = output_dir / "blendlib_overrides.blend"
self.test_output_path = output_dir / "blendlib_overrides_test.blend"
bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
mesh = bpy.data.meshes.new(TestLibraryOverrides.MESH_LIBRARY_PARENT)
obj = bpy.data.objects.new(TestLibraryOverrides.OBJECT_LIBRARY_PARENT, object_data=mesh)
bpy.context.collection.objects.link(obj)
mesh_child = bpy.data.meshes.new(TestLibraryOverrides.MESH_LIBRARY_CHILD)
obj_child = bpy.data.objects.new(TestLibraryOverrides.OBJECT_LIBRARY_CHILD, object_data=mesh_child)
obj_child.parent = obj
bpy.context.collection.objects.link(obj_child)
mesh = bpy.data.meshes.new(TestLibraryOverrides.MESH_LIBRARY_PERMISSIVE)
obj = bpy.data.objects.new(TestLibraryOverrides.OBJECT_LIBRARY_PERMISSIVE, object_data=mesh)
bpy.context.collection.objects.link(obj)
bpy.ops.wm.save_as_mainfile(filepath=str(self.output_path), check_existing=False, compress=False)
def test_link_and_override_property(self):
bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
bpy.data.orphans_purge()
link_dir = self.output_path / "Object"
bpy.ops.wm.link(directory=str(link_dir), filename=TestLibraryOverrides.OBJECT_LIBRARY_PARENT)
obj = bpy.data.objects[TestLibraryOverrides.OBJECT_LIBRARY_PARENT]
self.assertIsNone(obj.override_library)
local_id = obj.override_create()
self.assertIsNotNone(local_id.override_library)
self.assertIsNone(local_id.data.override_library)
self.assertEqual(len(local_id.override_library.properties), 0)
# #### Generate an override property & operation automatically by editing the local override data.
local_id.location.y = 1.0
local_id.override_library.operations_update()
self.assertEqual(len(local_id.override_library.properties), 1)
override_prop = local_id.override_library.properties[0]
self.assertEqual(override_prop.rna_path, "location")
self.assertEqual(len(override_prop.operations), 1)
override_operation = override_prop.operations[0]
self.assertEqual(override_operation.operation, 'REPLACE')
# Setting location.y overrode all elements in the location array. -1 is a wildcard.
self.assertEqual(override_operation.subitem_local_index, -1)
# #### Reset the override to its linked reference data.
local_id.override_library.reset()
self.assertEqual(len(local_id.override_library.properties), 0)
self.assertEqual(local_id.location, local_id.override_library.reference.location)
# #### Generate an override property & operation manually using the API.
override_property = local_id.override_library.properties.add(rna_path="location")
override_property.operations.add(operation='REPLACE')
self.assertEqual(len(local_id.override_library.properties), 1)
override_prop = local_id.override_library.properties[0]
self.assertEqual(override_prop.rna_path, "location")
self.assertEqual(len(override_prop.operations), 1)
override_operation = override_prop.operations[0]
self.assertEqual(override_operation.operation, 'REPLACE')
# Setting location.y overrode all elements in the location array. -1 is a wildcard.
self.assertEqual(override_operation.subitem_local_index, -1)
override_property = local_id.override_library.properties[0]
override_property.operations.remove(override_property.operations[0])
local_id.override_library.properties.remove(override_property)
self.assertEqual(len(local_id.override_library.properties), 0)
# #### Delete the override.
local_id_name = local_id.name
self.assertEqual(bpy.data.objects.get((local_id_name, None), None), local_id)
local_id.override_library.destroy()
self.assertIsNone(bpy.data.objects.get((local_id_name, None), None))
def test_link_permissive(self):
bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
bpy.data.orphans_purge()
link_dir = self.output_path / "Object"
bpy.ops.wm.link(directory=str(link_dir), filename=TestLibraryOverrides.OBJECT_LIBRARY_PERMISSIVE)
obj = bpy.data.objects[TestLibraryOverrides.OBJECT_LIBRARY_PERMISSIVE]
self.assertIsNone(obj.override_library)
local_id = obj.override_create()
self.assertIsNotNone(local_id.override_library)
self.assertIsNone(local_id.data.override_library)
self.assertEqual(len(local_id.override_library.properties), 0)
local_id.location.y = 1.0
self.assertEqual(local_id.location.y, 1.0)
local_id.override_library.operations_update()
self.assertEqual(local_id.location.y, 1.0)
self.assertEqual(len(local_id.override_library.properties), 1)
override_prop = local_id.override_library.properties[0]
self.assertEqual(override_prop.rna_path, "location")
self.assertEqual(len(override_prop.operations), 1)
override_operation = override_prop.operations[0]
self.assertEqual(override_operation.operation, 'REPLACE')
self.assertEqual(override_operation.subitem_local_index, -1)
class TestLibraryOverridesComplex(TestHelper):
# Test resync, recursive resync, overrides of overrides, ID names collision handling, and multiple overrides.
DATA_NAME_CONTAINER = "LibCollection"
DATA_NAME_RIGGED = "LibRigged"
DATA_NAME_RIG = "LibRig"
DATA_NAME_CONTROLLER_1 = "LibController1"
DATA_NAME_CONTROLLER_2 = "LibController2"
DATA_NAME_SAMENAME_CONTAINER = "LibCube"
DATA_NAME_SAMENAME_0 = "LibCube"
DATA_NAME_SAMENAME_1 = "LibCube.001"
DATA_NAME_SAMENAME_2 = "LibCube.002"
DATA_NAME_SAMENAME_3 = "LibCube.003"
def __init__(self, args):
super().__init__(args)
output_dir = pathlib.Path(self.args.output_dir)
self.ensure_path(str(output_dir))
self.lib_output_path = output_dir / "blendlib_overrides_lib.blend"
self.test_output_path = output_dir / "blendlib_overrides_test.blend"
self.test_output_path_recursive = output_dir / "blendlib_overrides_test_recursive.blend"
def reset(self):
bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
def init_lib_data(self, custom_cb=None):
self.reset()
collection_container = bpy.data.collections.new(self.__class__.DATA_NAME_CONTAINER)
bpy.context.collection.children.link(collection_container)
mesh = bpy.data.meshes.new(self.__class__.DATA_NAME_RIGGED)
obj_child = bpy.data.objects.new(self.__class__.DATA_NAME_RIGGED, object_data=mesh)
collection_container.objects.link(obj_child)
armature = bpy.data.armatures.new(self.__class__.DATA_NAME_RIG)
obj_armature = bpy.data.objects.new(self.__class__.DATA_NAME_RIG, object_data=armature)
obj_child.parent = obj_armature
collection_container.objects.link(obj_armature)
obj_child_modifier = obj_child.modifiers.new("", 'ARMATURE')
obj_child_modifier.object = obj_armature
obj_ctrl1 = bpy.data.objects.new(self.__class__.DATA_NAME_CONTROLLER_1, object_data=None)
collection_container.objects.link(obj_ctrl1)
obj_armature_constraint = obj_armature.constraints.new('COPY_LOCATION')
obj_armature_constraint.target = obj_ctrl1
collection_sub = bpy.data.collections.new(self.__class__.DATA_NAME_CONTROLLER_2)
collection_container.children.link(collection_sub)
obj_ctrl2 = bpy.data.objects.new(self.__class__.DATA_NAME_CONTROLLER_2, object_data=None)
collection_sub.objects.link(obj_ctrl2)
collection_sub = bpy.data.collections.new(self.__class__.DATA_NAME_SAMENAME_CONTAINER)
collection_container.children.link(collection_sub)
# 'Samename' objects are purposedly not added to the collection here.
if custom_cb is not None:
custom_cb(self)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.lib_output_path),
check_existing=False,
compress=False,
relative_remap=False,
)
def edit_lib_data(self, custom_cb):
bpy.ops.wm.open_mainfile(filepath=str(self.lib_output_path))
custom_cb(self)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.lib_output_path),
check_existing=False,
compress=False,
relative_remap=False,
)
def link_lib_data(self, num_collections, num_objects, num_meshes, num_armatures):
link_dir = self.lib_output_path / "Collection"
bpy.ops.wm.link(
directory=str(link_dir),
filename=self.__class__.DATA_NAME_CONTAINER,
instance_collections=False,
relative_path=False,
)
linked_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER]
self.assertIsNotNone(linked_collection_container.library)
self.assertIsNone(linked_collection_container.override_library)
self.assertEqual(len(bpy.data.collections), num_collections)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.collections))
self.assertEqual(len(bpy.data.objects), num_objects)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.objects))
self.assertEqual(len(bpy.data.meshes), num_meshes)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.meshes))
self.assertEqual(len(bpy.data.armatures), num_armatures)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.armatures))
return linked_collection_container
def link_liboverride_data(self, num_collections, num_objects, num_meshes, num_armatures):
link_dir = self.test_output_path / "Collection"
bpy.ops.wm.link(
directory=str(link_dir),
filename=self.__class__.DATA_NAME_CONTAINER,
instance_collections=False,
relative_path=False,
)
linked_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER, str(
self.test_output_path)]
self.assertIsNotNone(linked_collection_container.library)
self.assertIsNotNone(linked_collection_container.override_library)
self.assertEqual(len(bpy.data.collections), num_collections)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.collections))
self.assertEqual(len(bpy.data.objects), num_objects)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.objects))
self.assertEqual(len(bpy.data.meshes), num_meshes)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.meshes))
self.assertEqual(len(bpy.data.armatures), num_armatures)
self.assertTrue(all(id_.library is not None for id_ in bpy.data.armatures))
self.liboverride_hierarchy_validate(linked_collection_container)
return linked_collection_container
def liboverride_hierarchy_validate(self, root_collection):
def liboverride_systemoverrideonly_hierarchy_validate(id_, id_root):
if not id_.override_library:
return
self.assertEqual(id_.override_library.hierarchy_root, id_root)
for op in id_.override_library.properties:
for opop in op.operations:
self.assertIn('IDPOINTER_MATCH_REFERENCE', opop.flag)
for coll_ in root_collection.children_recursive:
liboverride_systemoverrideonly_hierarchy_validate(coll_, root_collection)
if coll_.override_library:
for op in coll_.override_library.properties:
for opop in op.operations:
self.assertIn('IDPOINTER_ITEM_USE_ID', opop.flag)
print(
coll_,
opop.flag,
opop.subitem_reference_name,
opop.subitem_reference_id,
opop.subitem_local_name,
opop.subitem_local_id)
self.assertIsNotNone(opop.subitem_reference_id.library)
self.assertTrue(opop.subitem_local_id.library is None if coll_.library is None
else opop.subitem_local_id.library is not None)
for ob_ in root_collection.all_objects:
liboverride_systemoverrideonly_hierarchy_validate(ob_, root_collection)
def test_link_and_override_resync(self):
self.init_lib_data()
self.reset()
# NOTE: All counts below are in the form `local_ids + linked_ids`.
linked_collection_container = self.link_lib_data(
num_collections=0 + 3,
num_objects=0 + 4,
num_meshes=0 + 1,
num_armatures=0 + 1)
override_collection_container = linked_collection_container.override_hierarchy_create(
bpy.context.scene,
bpy.context.view_layer,
)
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides (except for empty collection),
# but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 2 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:2]))
self.assertEqual(len(bpy.data.objects), 4 + 4)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
self.liboverride_hierarchy_validate(override_collection_container)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path),
check_existing=False,
compress=False,
relative_remap=False,
)
# Create linked liboverrides file (for recursive resync).
self.reset()
self.link_liboverride_data(
num_collections=0 + 5,
num_objects=0 + 8,
num_meshes=0 + 1,
num_armatures=0 + 1)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path_recursive),
check_existing=False,
compress=False,
relative_remap=False,
)
# Re-open the lib file, and change its ID relationships.
bpy.ops.wm.open_mainfile(filepath=str(self.lib_output_path))
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_armature_constraint = obj_armature.constraints[0]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
obj_armature_constraint.target = obj_ctrl2
bpy.ops.wm.save_as_mainfile(filepath=str(self.lib_output_path), check_existing=False, compress=False)
# Re-open the main file, and check that automatic resync did its work correctly, remapping the target of the
# armature constraint to controller 2, without creating unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path))
override_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER]
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
self.assertEqual(len(bpy.data.collections), 2 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:2]))
self.assertEqual(len(bpy.data.objects), 4 + 4)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
self.assertIsNone(obj_armature.library)
self.assertIsNotNone(obj_armature.override_library)
self.assertIsNone(obj_ctrl2.library)
self.assertIsNotNone(obj_ctrl2.override_library)
self.assertEqual(obj_armature.constraints[0].target, obj_ctrl2)
self.liboverride_hierarchy_validate(override_collection_container)
# Re-open the 'recursive resync' file, and check that automatic recursive resync did its work correctly,
# remapping the target of the linked liboverride armature constraint to controller 2, without creating
# unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path_recursive))
override_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER, str(
self.test_output_path)]
self.assertIsNotNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
test_output_path_lib = override_collection_container.library
self.assertEqual(len(bpy.data.collections), 0 + 5)
self.assertTrue(all((id_.override_library is not None)
for id_ in bpy.data.collections if id_.library == test_output_path_lib))
self.assertEqual(len(bpy.data.objects), 0 + 8)
self.assertTrue(all((id_.override_library is not None)
for id_ in bpy.data.objects if id_.library == test_output_path_lib))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG, str(self.test_output_path)]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2, str(self.test_output_path)]
self.assertIsNotNone(obj_armature.override_library)
self.assertIsNotNone(obj_ctrl2.override_library)
self.assertEqual(obj_armature.constraints[0].target, obj_ctrl2)
self.liboverride_hierarchy_validate(override_collection_container)
def test_link_and_override_multiple(self):
self.init_lib_data()
self.reset()
# NOTE: All counts below are in the form `local_ids + linked_ids`.
linked_collection_container = self.link_lib_data(
num_collections=0 + 3,
num_objects=0 + 4,
num_meshes=0 + 1,
num_armatures=0 + 1)
override_collection_containers = [linked_collection_container.override_hierarchy_create(
bpy.context.scene,
bpy.context.view_layer,
) for i in range(3)]
for override_container in override_collection_containers:
self.assertIsNone(override_container.library)
self.assertIsNotNone(override_container.override_library)
self.liboverride_hierarchy_validate(override_container)
# Objects and collections are duplicated as overrides (except for empty collection),
# but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 3 * 2 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:3 * 2]))
self.assertEqual(len(bpy.data.objects), 3 * 4 + 4)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.objects[:3 * 4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path),
check_existing=False,
compress=False,
relative_remap=False,
)
# Create linked liboverrides file (for recursive resync).
self.reset()
self.link_liboverride_data(
num_collections=0 + 5,
num_objects=0 + 8,
num_meshes=0 + 1,
num_armatures=0 + 1)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path_recursive),
check_existing=False,
compress=False,
relative_remap=False,
)
# Change the lib's ID relationships.
def edit_lib_cb(self):
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_armature_constraint = obj_armature.constraints[0]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
obj_armature_constraint.target = obj_ctrl2
self.edit_lib_data(edit_lib_cb)
# Re-open the main file, and check that automatic resync did its work correctly, remapping the target of the
# armature constraint to controller 2, without creating unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path))
override_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER]
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides, but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 3 * 2 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:3 * 2]))
self.assertEqual(len(bpy.data.objects), 3 * 4 + 4)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.objects[:3 * 4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
self.assertIsNotNone(obj_armature.library is None and obj_armature.override_library)
self.assertIsNotNone(obj_ctrl2.library is None and obj_ctrl2.override_library)
self.assertEqual(obj_armature.constraints[0].target, obj_ctrl2)
override_collection_containers = [
bpy.data.collections[self.__class__.DATA_NAME_CONTAINER],
bpy.data.collections[self.__class__.DATA_NAME_CONTAINER + ".001"],
bpy.data.collections[self.__class__.DATA_NAME_CONTAINER + ".002"],
]
for override_container in override_collection_containers:
self.assertIsNone(override_container.library)
self.assertIsNotNone(override_container.override_library)
self.liboverride_hierarchy_validate(override_container)
# Re-open the 'recursive resync' file, and check that automatic recursive resync did its work correctly,
# remapping the target of the linked liboverride armature constraint to controller 2, without creating
# unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path_recursive))
linked_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER, str(
self.test_output_path)]
self.assertIsNotNone(linked_collection_container.library)
self.assertIsNotNone(linked_collection_container.override_library)
test_output_path_lib = linked_collection_container.library
# Objects and collections are duplicated as overrides, but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 0 + 5)
self.assertTrue(all((id_.override_library is not None)
for id_ in bpy.data.collections if id_.library == test_output_path_lib))
self.assertEqual(len(bpy.data.objects), 0 + 8)
self.assertTrue(all((id_.override_library is not None)
for id_ in bpy.data.objects if id_.library == test_output_path_lib))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG, str(self.test_output_path)]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2, str(self.test_output_path)]
self.assertIsNotNone(obj_armature.override_library)
self.assertIsNotNone(obj_ctrl2.override_library)
self.assertEqual(obj_armature.constraints[0].target, obj_ctrl2)
self.liboverride_hierarchy_validate(linked_collection_container)
def test_link_and_override_of_override(self):
self.init_lib_data()
self.reset()
# NOTE: All counts below are in the form `local_ids + linked_ids`.
linked_collection_container = self.link_lib_data(
num_collections=0 + 3,
num_objects=0 + 4,
num_meshes=0 + 1,
num_armatures=0 + 1)
override_collection_container = linked_collection_container.override_hierarchy_create(
bpy.context.scene,
bpy.context.view_layer,
)
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides (except for empty collection),
# but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 2 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:2]))
self.assertEqual(len(bpy.data.objects), 4 + 4)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
self.liboverride_hierarchy_validate(override_collection_container)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path),
check_existing=False,
compress=False,
relative_remap=False,
)
# Create liboverrides of liboverrides file.
self.reset()
linked_collection_container = self.link_liboverride_data(
num_collections=0 + 5,
num_objects=0 + 8,
num_meshes=0 + 1,
num_armatures=0 + 1)
override_collection_container = linked_collection_container.override_hierarchy_create(
bpy.context.scene,
bpy.context.view_layer,
)
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides (except for empty collection),
# but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 2 + 5)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:2]))
self.assertEqual(len(bpy.data.objects), 4 + 8)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
self.liboverride_hierarchy_validate(override_collection_container)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path_recursive),
check_existing=False,
compress=False,
relative_remap=False,
)
# Re-open the lib file, and change its ID relationships.
bpy.ops.wm.open_mainfile(filepath=str(self.lib_output_path))
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_armature_constraint = obj_armature.constraints[0]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
obj_armature_constraint.target = obj_ctrl2
bpy.ops.wm.save_as_mainfile(filepath=str(self.lib_output_path), check_existing=False, compress=False)
# Re-open the main file, and check that automatic resync did its work correctly, remapping the target of the
# armature constraint to controller 2, without creating unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path))
override_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER]
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides, but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 2 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:2]))
self.assertEqual(len(bpy.data.objects), 4 + 4)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
self.assertIsNone(obj_armature.library)
self.assertIsNotNone(obj_armature.override_library)
self.assertIsNone(obj_ctrl2.library)
self.assertIsNotNone(obj_ctrl2.override_library)
self.assertEqual(obj_armature.constraints[0].target, obj_ctrl2)
self.liboverride_hierarchy_validate(override_collection_container)
# Re-open the 'recursive resync' file, and check that automatic recursive resync did its work correctly,
# remapping the target of the linked liboverride armature constraint to controller 2, without creating
# unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path_recursive))
override_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER]
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides, but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 2 + 5)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:2]))
self.assertEqual(len(bpy.data.objects), 4 + 8)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:4]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
obj_armature = bpy.data.objects[self.__class__.DATA_NAME_RIG]
obj_ctrl2 = bpy.data.objects[self.__class__.DATA_NAME_CONTROLLER_2]
self.assertIsNotNone(obj_armature.override_library)
self.assertIsNotNone(obj_ctrl2.override_library)
self.assertEqual(obj_armature.constraints[0].target, obj_ctrl2)
self.liboverride_hierarchy_validate(override_collection_container)
def test_link_and_override_idnames_conflict(self):
def init_lib_cb(self):
# Add some 'samename' objects to the library.
collection_sub = bpy.data.collections[self.__class__.DATA_NAME_SAMENAME_CONTAINER]
obj_samename_0 = bpy.data.objects.new(self.__class__.DATA_NAME_SAMENAME_0, object_data=None)
collection_sub.objects.link(obj_samename_0)
obj_samename_3 = bpy.data.objects.new(self.__class__.DATA_NAME_SAMENAME_3, object_data=None)
collection_sub.objects.link(obj_samename_3)
self.init_lib_data(init_lib_cb)
self.reset()
# NOTE: All counts below are in the form `local_ids + linked_ids`.
linked_collection_container = self.link_lib_data(
num_collections=0 + 3,
num_objects=0 + 6,
num_meshes=0 + 1,
num_armatures=0 + 1)
override_collection_containers = [linked_collection_container.override_hierarchy_create(
bpy.context.scene,
bpy.context.view_layer,
) for i in range(3)]
for override_container in override_collection_containers:
self.assertIsNone(override_container.library)
self.assertIsNotNone(override_container.override_library)
self.liboverride_hierarchy_validate(override_container)
# Objects and collections are duplicated as overrides (except for empty collection),
# but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 3 * 3 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:3 * 3]))
self.assertEqual(len(bpy.data.objects), 3 * 6 + 6)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.objects[:3 * 6]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
self.assertEqual(
bpy.data.objects[self.__class__.DATA_NAME_SAMENAME_0].override_library.reference.name, self.__class__.DATA_NAME_SAMENAME_0)
self.assertEqual(
bpy.data.objects[self.__class__.DATA_NAME_SAMENAME_3].override_library.reference.name, self.__class__.DATA_NAME_SAMENAME_3)
# These names will be used by the second created liboverride, due to how
# naming is currently handled when original name is already used.
self.assertEqual(
bpy.data.objects[self.__class__.DATA_NAME_SAMENAME_1].override_library.reference.name, self.__class__.DATA_NAME_SAMENAME_0)
self.assertEqual(
bpy.data.objects[self.__class__.DATA_NAME_SAMENAME_2].override_library.reference.name, self.__class__.DATA_NAME_SAMENAME_3)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path),
check_existing=False,
compress=False,
relative_remap=False,
)
# Create liboverrides of liboverrides file.
self.reset()
linked_collection_container = self.link_liboverride_data(
num_collections=0 + 6,
num_objects=0 + 12,
num_meshes=0 + 1,
num_armatures=0 + 1)
override_collection_container = linked_collection_container.override_hierarchy_create(
bpy.context.scene,
bpy.context.view_layer,
)
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides (except for empty collection),
# but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 3 + 6)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:3]))
self.assertEqual(len(bpy.data.objects), 6 + 12)
self.assertTrue(all((id_.library is None and id_.override_library is not None) for id_ in bpy.data.objects[:6]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
self.liboverride_hierarchy_validate(override_collection_container)
bpy.ops.wm.save_as_mainfile(
filepath=str(self.test_output_path_recursive),
check_existing=False,
compress=False,
relative_remap=False,
)
# Modify the names of 'samename' objects in the library to generate ID name collisions.
def edit_lib_cb(self):
obj_samename_0 = bpy.data.objects[self.__class__.DATA_NAME_SAMENAME_0]
obj_samename_3 = bpy.data.objects[self.__class__.DATA_NAME_SAMENAME_3]
obj_samename_0.name = self.__class__.DATA_NAME_SAMENAME_2
obj_samename_3.name = self.__class__.DATA_NAME_SAMENAME_1
self.edit_lib_data(edit_lib_cb)
# Re-open the main file, and check that automatic resync did its work correctly, remapping the target of the
# armature constraint to controller 2, without creating unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path))
override_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER]
self.assertIsNone(override_collection_container.library)
self.assertIsNotNone(override_collection_container.override_library)
# Objects and collections are duplicated as overrides, but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 3 * 3 + 3)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.collections[:3 * 3]))
# Note that the 'missing' renamed objects from the library are now cleared as part of the resync process.
self.assertEqual(len(bpy.data.objects), 3 * 6 + 6)
self.assertTrue(all((id_.library is None and id_.override_library is not None)
for id_ in bpy.data.objects[:3 * 6]))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
override_collection_containers = [
bpy.data.collections[self.__class__.DATA_NAME_CONTAINER],
bpy.data.collections[self.__class__.DATA_NAME_CONTAINER + ".001"],
bpy.data.collections[self.__class__.DATA_NAME_CONTAINER + ".002"],
]
for override_container in override_collection_containers:
self.assertIsNone(override_container.library)
self.assertIsNotNone(override_container.override_library)
self.liboverride_hierarchy_validate(override_container)
# Re-open the 'recursive resync' file, and check that automatic recursive resync did its work correctly,
# remapping the target of the linked liboverride armature constraint to controller 2, without creating
# unexpected garbage IDs along the line.
bpy.ops.wm.open_mainfile(filepath=str(self.test_output_path_recursive))
linked_collection_container = bpy.data.collections[self.__class__.DATA_NAME_CONTAINER, str(
self.test_output_path)]
self.assertIsNotNone(linked_collection_container.library)
self.assertIsNotNone(linked_collection_container.override_library)
test_output_path_lib = linked_collection_container.library
# Objects and collections are duplicated as overrides, but meshes and armatures remain only linked data.
self.assertEqual(len(bpy.data.collections), 3 + 6)
self.assertTrue(all((id_.override_library is not None)
for id_ in bpy.data.collections if id_.library == test_output_path_lib))
# Note that the 'missing' renamed objects from the library are now cleared as part of the resync process.
self.assertEqual(len(bpy.data.objects), 6 + 12)
self.assertTrue(all((id_.override_library is not None)
for id_ in bpy.data.objects if id_.library == test_output_path_lib))
self.assertEqual(len(bpy.data.meshes), 0 + 1)
self.assertEqual(len(bpy.data.armatures), 0 + 1)
self.liboverride_hierarchy_validate(linked_collection_container)
class TestLibraryOverridesFromProxies(TestHelper):
# Very basic test, could be improved/extended.
# NOTE: Tests way more than only liboverride proxy conversion actually, since this is a fairly old .blend file.
MAIN_BLEND_FILE = "library_test_scene.blend"
def __init__(self, args):
super().__init__(args)
self.test_dir = pathlib.Path(self.args.test_dir)
self.assertTrue(self.test_dir.exists(),
msg='Test dir {0} should exist'.format(self.test_dir))
bpy.ops.wm.read_homefile(use_empty=True, use_factory_startup=True)
def test_open_linked_proxy_file(self):
bpy.ops.wm.open_mainfile(filepath=str(self.test_dir / self.MAIN_BLEND_FILE))
# Check stability of 'same name' fixing for IDs.
direct_linked_A = bpy.data.libraries["lib.002"]
self.assertEqual(direct_linked_A.filepath, os.path.join("//libraries", "direct_linked_A.blend"))
self.assertEqual(bpy.data.objects['HairCubeArmatureGroup_proxy'].library, direct_linked_A)
self.assertIsNotNone(bpy.data.objects['HairCubeArmatureGroup_proxy'].override_library)
TESTS = (
TestLibraryOverrides,
TestLibraryOverridesComplex,
TestLibraryOverridesFromProxies,
)
def argparse_create():
import argparse
# When --help or no args are given, print this help
description = "Test library overrides 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,
)
parser.add_argument(
"--test-dir",
dest="test_dir",
default=".",
help="Where are the test 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()