refactor: io_bpy architecture revamp

multi_user/io_bpy/bl_datablock.py

@@ -0,0 +1,59 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+
+import logging
+from collections.abc import Iterable
+
+import bpy
+import mathutils
+from replication.constants import DIFF_BINARY, DIFF_JSON, UP
+from replication.protocol import ReplicatedDatablock
+from replication.objects import Node
+
+from uuid import uuid4
+
+from .. import utils
+from .dump_anything import Dumper, Loader
+
+
+def get_datablock_from_uuid(uuid, default, ignore=[]):
+    if not uuid:
+        return default
+    for category in dir(bpy.data):
+        root = getattr(bpy.data, category)
+        if isinstance(root, Iterable) and category not in ignore:
+            for item in root:
+                if getattr(item, 'uuid', None) == uuid:
+                    return item
+    return default
+
+
+def resolve_datablock_from_root(node:Node, root)->object:
+    datablock_ref = utils.find_from_attr('uuid', node.uuid, root)
+
+    if not datablock_ref:
+        try:
+            datablock_ref = root[node.data['name']]
+        except Exception:
+            pass
+
+    return datablock_ref
+
+def stamp_uuid(datablock):
+    if not datablock.uuid:
+        datablock.uuid = str(uuid4())