refactor: protocol refactoring part 1 (mesh, object, action, scene)

multi_user/bl_types/__init__.py

@@ -49,8 +49,18 @@ if bpy.app.version[1] >= 91:
     __all__.append('bl_volume')
 
 from . import *
-from replication.data import DataTranslationProtocol
 
 def types_to_register():
     return __all__
 
+from replication.protocol import DataTranslationProtocol
+
+def get_data_translation_protocol()-> DataTranslationProtocol:
+    """ Return a data translation protocol from implemented bpy types
+    """
+    bpy_protocol = DataTranslationProtocol()
+    for module_name in __all__:
+        impl  = globals().get(module_name)
+        if impl and hasattr(impl, "_type") and hasattr(impl, "_type"):
+            bpy_protocol.register_implementation(impl._type, impl._class)
+    return bpy_protocol

multi_user/bl_types/bl_action.py

@@ -25,8 +25,8 @@ from enum import Enum
 from .. import utils
 from .dump_anything import (
     Dumper, Loader, np_dump_collection, np_load_collection, remove_items_from_dict)
-from .bl_datablock import BlDatablock, has_action, has_driver, dump_driver, load_driver
+from replication.protocol import ReplicatedDatablock
-
+from .bl_datablock import resolve_datablock_from_uuid
 
 KEYFRAME = [
     'amplitude',
@@ -41,6 +41,66 @@ KEYFRAME = [
     'interpolation',
 ]
 
+def has_action(datablock):
+    """ Check if the datablock datablock has actions
+    """
+    return (hasattr(datablock, 'animation_data')
+            and datablock.animation_data
+            and datablock.animation_data.action)
+
+
+def has_driver(datablock):
+    """ Check if the datablock datablock is driven
+    """
+    return (hasattr(datablock, 'animation_data')
+            and datablock.animation_data
+            and datablock.animation_data.drivers)
+
+
+def dump_driver(driver):
+    dumper = Dumper()
+    dumper.depth = 6
+    data = dumper.dump(driver)
+
+    return data
+
+
+def load_driver(target_datablock, src_driver):
+    loader = Loader()
+    drivers = target_datablock.animation_data.drivers
+    src_driver_data = src_driver['driver']
+    new_driver = drivers.new(src_driver['data_path'], index=src_driver['array_index'])
+
+    # Settings
+    new_driver.driver.type = src_driver_data['type']
+    new_driver.driver.expression = src_driver_data['expression']
+    loader.load(new_driver,  src_driver)
+
+    # Variables
+    for src_variable in src_driver_data['variables']:
+        src_var_data = src_driver_data['variables'][src_variable]
+        new_var = new_driver.driver.variables.new()
+        new_var.name = src_var_data['name']
+        new_var.type = src_var_data['type']
+
+        for src_target in src_var_data['targets']:
+            src_target_data = src_var_data['targets'][src_target]
+            src_id = src_target_data.get('id')
+            if src_id:
+                new_var.targets[src_target].id = utils.resolve_from_id(src_target_data['id'], src_target_data['id_type'])
+            loader.load(new_var.targets[src_target],  src_target_data)
+
+    # Fcurve
+    new_fcurve = new_driver.keyframe_points
+    for p in reversed(new_fcurve):
+        new_fcurve.remove(p, fast=True)
+
+    new_fcurve.add(len(src_driver['keyframe_points']))
+
+    for index, src_point in enumerate(src_driver['keyframe_points']):
+        new_point = new_fcurve[index]
+        loader.load(new_point, src_driver['keyframe_points'][src_point])
+
 
 def dump_fcurve(fcurve: bpy.types.FCurve, use_numpy: bool = True) -> dict:
     """ Dump a sigle curve to a dict
@@ -198,26 +258,28 @@ def resolve_animation_dependencies(datablock):
         return []
 
 
-class BlAction(BlDatablock):
+class BlAction(ReplicatedDatablock):
     bl_id = "actions"
     bl_class = bpy.types.Action
     bl_check_common = False
     bl_icon = 'ACTION_TWEAK'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    @staticmethod
+    def construct(data: dict) -> object:
         return bpy.data.actions.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    @staticmethod
+    def load(data: dict, datablock: object):
         for dumped_fcurve in data["fcurves"]:
             dumped_data_path = dumped_fcurve["data_path"]
             dumped_array_index = dumped_fcurve["dumped_array_index"]
 
             # create fcurve if needed
-            fcurve = target.fcurves.find(
+            fcurve = datablock.fcurves.find(
                 dumped_data_path, index=dumped_array_index)
             if fcurve is None:
-                fcurve = target.fcurves.new(
+                fcurve = datablock.fcurves.new(
                     dumped_data_path, index=dumped_array_index)
 
             load_fcurve(dumped_fcurve, fcurve)
@@ -225,9 +287,10 @@ class BlAction(BlDatablock):
         id_root = data.get('id_root')
 
         if id_root:
-            target.id_root = id_root
+            datablock.id_root = id_root
 
-    def _dump_implementation(self, data, instance=None):
+    @staticmethod
+    def dump(datablock: object) -> dict:
         dumper = Dumper()
         dumper.exclude_filter = [
             'name_full',
@@ -242,11 +305,26 @@ class BlAction(BlDatablock):
             'users'
         ]
         dumper.depth = 1
-        data = dumper.dump(instance)
+        data = dumper.dump(datablock)
 
         data["fcurves"] = []
 
-        for fcurve in instance.fcurves:
+        for fcurve in datablock.fcurves:
             data["fcurves"].append(dump_fcurve(fcurve, use_numpy=True))
 
         return data
+
+    @staticmethod
+    def resolve(data: dict) -> object:
+        uuid = data.get('uuid')
+        name = data.get('name')
+        datablock = resolve_datablock_from_uuid(uuid, bpy.data.actions)
+        if datablock is None:
+            bpy.data.actions.get(name)
+
+    @staticmethod
+    def resolve_deps(datablock: object) -> [object]:
+        return []
+
+_type = bpy.types.Action
+_class = BlAction

multi_user/bl_types/bl_armature.py

@@ -22,7 +22,7 @@ import mathutils
 
 from .dump_anything import Loader, Dumper
 from .. import presence, operators, utils
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
 def get_roll(bone: bpy.types.Bone) -> float:
@@ -35,17 +35,17 @@ def get_roll(bone: bpy.types.Bone) -> float:
     return bone.AxisRollFromMatrix(bone.matrix_local.to_3x3())[1]
 
 
-class BlArmature(BlDatablock):
+class BlArmature(ReplicatedDatablock):
     bl_id = "armatures"
     bl_class = bpy.types.Armature
     bl_check_common = False
     bl_icon = 'ARMATURE_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.armatures.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         # Load parent object
         parent_object = utils.find_from_attr(
             'uuid',
@@ -119,7 +119,7 @@ class BlArmature(BlDatablock):
         if 'EDIT' in current_mode:
             bpy.ops.object.mode_set(mode='EDIT')
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         dumper = Dumper()

multi_user/bl_types/bl_camera.py

@@ -20,21 +20,21 @@ import bpy
 import mathutils
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
-class BlCamera(BlDatablock):
+class BlCamera(ReplicatedDatablock):
     bl_id = "cameras"
     bl_class = bpy.types.Camera
     bl_check_common = False
     bl_icon = 'CAMERA_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.cameras.new(data["name"])
 
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()       
         loader.load(target, data)
 
@@ -61,7 +61,7 @@ class BlCamera(BlDatablock):
                         loader.load(target_img.image_user, img_user)
 
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         # TODO: background image support
@@ -119,7 +119,7 @@ class BlCamera(BlDatablock):
             if image.image_user:
                 data['background_images'][index]['image_user'] = dumper.dump(image.image_user)
         return data
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
         for background in self.instance.background_images:
             if background.image:

multi_user/bl_types/bl_collection.py

@@ -20,7 +20,7 @@ import bpy
 import mathutils
 
 from .. import utils
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .dump_anything import Loader, Dumper
 
 
@@ -81,14 +81,14 @@ def resolve_collection_dependencies(collection):
 
     return deps
 
-class BlCollection(BlDatablock):
+class BlCollection(ReplicatedDatablock):
     bl_id = "collections"
     bl_icon = 'FILE_FOLDER'
     bl_class = bpy.types.Collection
     bl_check_common = True
     bl_reload_parent = False
     
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         if self.is_library:
             with bpy.data.libraries.load(filepath=bpy.data.libraries[self.data['library']].filepath, link=True) as (sourceData, targetData):
                 targetData.collections = [
@@ -101,7 +101,7 @@ class BlCollection(BlDatablock):
         instance = bpy.data.collections.new(data["name"])
         return instance
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
@@ -115,7 +115,7 @@ class BlCollection(BlDatablock):
         # Keep other user from deleting collection object by flushing their history
         utils.flush_history()
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         dumper = Dumper()
@@ -134,5 +134,5 @@ class BlCollection(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         return resolve_collection_dependencies(self.instance)

multi_user/bl_types/bl_curve.py

@@ -22,11 +22,10 @@ import mathutils
 import logging
 
 from .. import utils
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .dump_anything import (Dumper, Loader,
                             np_load_collection,
                             np_dump_collection)
-from .bl_datablock import get_datablock_from_uuid
 from .bl_material import dump_materials_slots, load_materials_slots
 
 SPLINE_BEZIER_POINT = [
@@ -134,17 +133,17 @@ SPLINE_METADATA = [
 ]
 
 
-class BlCurve(BlDatablock):
+class BlCurve(ReplicatedDatablock):
     bl_id = "curves"
     bl_class = bpy.types.Curve
     bl_check_common = False
     bl_icon = 'CURVE_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.curves.new(data["name"], data["type"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
@@ -175,7 +174,7 @@ class BlCurve(BlDatablock):
             if src_materials:
                 load_materials_slots(src_materials, target.materials)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
         dumper = Dumper()
         # Conflicting attributes
@@ -222,7 +221,7 @@ class BlCurve(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         # TODO: resolve material
         deps = []
         curve = self.instance

multi_user/bl_types/bl_datablock.py

@@ -22,73 +22,11 @@ from collections.abc import Iterable
 import bpy
 import mathutils
 from replication.constants import DIFF_BINARY, DIFF_JSON, UP
-from replication.data import ReplicatedDatablock
+from replication.protocol import ReplicatedDatablock
 
 from .. import utils
 from .dump_anything import Dumper, Loader
 
-
-def has_action(target):
-    """ Check if the target datablock has actions
-    """
-    return (hasattr(target, 'animation_data')
-            and target.animation_data
-            and target.animation_data.action)
-
-
-def has_driver(target):
-    """ Check if the target datablock is driven
-    """
-    return (hasattr(target, 'animation_data')
-            and target.animation_data
-            and target.animation_data.drivers)
-
-
-def dump_driver(driver):
-    dumper = Dumper()
-    dumper.depth = 6
-    data = dumper.dump(driver)
-
-    return data
-
-
-def load_driver(target_datablock, src_driver):
-    loader = Loader()
-    drivers = target_datablock.animation_data.drivers
-    src_driver_data = src_driver['driver']
-    new_driver = drivers.new(src_driver['data_path'], index=src_driver['array_index'])
-
-    # Settings
-    new_driver.driver.type = src_driver_data['type']
-    new_driver.driver.expression = src_driver_data['expression']
-    loader.load(new_driver,  src_driver)
-
-    # Variables
-    for src_variable in src_driver_data['variables']:
-        src_var_data = src_driver_data['variables'][src_variable]
-        new_var = new_driver.driver.variables.new()
-        new_var.name = src_var_data['name']
-        new_var.type = src_var_data['type']
-
-        for src_target in src_var_data['targets']:
-            src_target_data = src_var_data['targets'][src_target]
-            src_id = src_target_data.get('id')
-            if src_id:
-                new_var.targets[src_target].id = utils.resolve_from_id(src_target_data['id'], src_target_data['id_type'])
-            loader.load(new_var.targets[src_target],  src_target_data)
-
-    # Fcurve
-    new_fcurve = new_driver.keyframe_points
-    for p in reversed(new_fcurve):
-        new_fcurve.remove(p, fast=True)
-
-    new_fcurve.add(len(src_driver['keyframe_points']))
-
-    for index, src_point in enumerate(src_driver['keyframe_points']):
-        new_point = new_fcurve[index]
-        loader.load(new_point, src_driver['keyframe_points'][src_point])
-
-
 def get_datablock_from_uuid(uuid, default, ignore=[]):
     if not uuid:
         return default
@@ -100,133 +38,30 @@ def get_datablock_from_uuid(uuid, default, ignore=[]):
                     return item
     return default
 
+def resolve_datablock_from_uuid(uuid, bpy_collection):
+    for item in bpy_collection:
+        if getattr(item, 'uuid', None) == uuid:
+            return item
+    return None
 
-class BlDatablock(ReplicatedDatablock):
+def resolve_from_root(data: dict, root: str, construct = True):
-    """BlDatablock
+    datablock_root = getattr(bpy.data, self.bl_id)
+    datablock_ref = utils.find_from_attr('uuid', self.uuid, datablock_root)
 
-        bl_id :             blender internal storage identifier
+    if not datablock_ref:
-        bl_class :          blender internal type
+        try:
-        bl_icon :           type icon (blender icon name) 
+            datablock_ref = datablock_root[self.data['name']]
-        bl_check_common:    enable check even in common rights
+        except Exception:
-        bl_reload_parent:   reload parent
+            pass
-    """
 
+        if construct and not datablock_ref:
+            name = self.data.get('name')
+            logging.debug(f"Constructing {name}")
+            datablock_ref = self._construct(data=self.data)
 
-    def __init__(self, *args, **kwargs):
+    if datablock_ref is not None:
-        super().__init__(*args, **kwargs)
+        setattr(datablock_ref, 'uuid', self.uuid)
-        instance = kwargs.get('instance', None)
+        self.instance = datablock_ref
-        
+        return True
-        self.preferences = utils.get_preferences()
+    else:
-
+        return False
-        # TODO: use is_library_indirect
-        self.is_library = (instance and hasattr(instance, 'library') and
-                           instance.library) or \
-            (hasattr(self,'data') and self.data and 'library' in self.data)
-
-        if instance and hasattr(instance, 'uuid'):
-            instance.uuid = self.uuid
-
-    def resolve(self, construct = True):
-        datablock_root = getattr(bpy.data, self.bl_id)
-        datablock_ref = utils.find_from_attr('uuid', self.uuid, datablock_root)
-
-        if not datablock_ref:
-            try:
-                datablock_ref = datablock_root[self.data['name']]
-            except Exception:
-                pass
-
-            if construct and not datablock_ref:
-                name = self.data.get('name')
-                logging.debug(f"Constructing {name}")
-                datablock_ref = self._construct(data=self.data)
-
-        if datablock_ref is not None:
-            setattr(datablock_ref, 'uuid', self.uuid)
-            self.instance = datablock_ref
-            return True
-        else:
-            return False
-        
-
-    def remove_instance(self):
-        """
-        Remove instance from blender data
-        """
-        assert(self.instance)
-
-        datablock_root = getattr(bpy.data, self.bl_id)
-        datablock_root.remove(self.instance)
-
-    def _dump(self, instance=None):
-        dumper = Dumper()
-        data = {}
-        animation_data = {}
-        # Dump animation data
-        if has_action(instance):
-            animation_data['action'] = instance.animation_data.action.name
-        if has_driver(instance):
-            animation_data['drivers'] = []
-            for driver in instance.animation_data.drivers:
-                animation_data['drivers'].append(dump_driver(driver))
-
-        if animation_data:
-            data['animation_data'] = animation_data
-
-        if self.is_library:
-            data.update(dumper.dump(instance))
-        else:
-            data.update(self._dump_implementation(data, instance=instance))
-
-        return data
-
-    def _dump_implementation(self, data, target):
-        raise NotImplementedError
-
-    def _load(self, data, target):
-        # Load animation data
-        if 'animation_data' in data.keys():
-            if target.animation_data is None:
-                target.animation_data_create()
-
-            for d in target.animation_data.drivers:
-                target.animation_data.drivers.remove(d)
-
-            if 'drivers' in data['animation_data']:
-                for driver in data['animation_data']['drivers']:
-                    load_driver(target, driver)
-
-            if 'action' in data['animation_data']:
-                target.animation_data.action = bpy.data.actions[data['animation_data']['action']]
-            elif target.animation_data.action:
-                target.animation_data.action = None
-
-        # Remove existing animation data if there is not more to load
-        elif hasattr(target, 'animation_data') and target.animation_data:
-            target.animation_data_clear()
-
-        if self.is_library:
-            return
-        else:
-            self._load_implementation(data, target)
-
-    def _load_implementation(self, data, target):
-        raise NotImplementedError
-
-    def resolve_deps(self):
-        dependencies = []
-
-        if has_action(self.instance):
-            dependencies.append(self.instance.animation_data.action)
-
-        if not self.is_library:
-            dependencies.extend(self._resolve_deps_implementation())
-
-        logging.debug(f"{self.instance} dependencies: {dependencies}")
-        return dependencies
-
-    def _resolve_deps_implementation(self):
-        return []
-
-    def is_valid(self):
-        return getattr(bpy.data, self.bl_id).get(self.data['name'])

multi_user/bl_types/bl_file.py

@@ -24,7 +24,7 @@ from pathlib import Path
 import bpy
 import mathutils
 from replication.constants import DIFF_BINARY, UP
-from replication.data import ReplicatedDatablock
+from replication.protocol import ReplicatedDatablock
 
 from .. import utils
 from .dump_anything import Dumper, Loader

multi_user/bl_types/bl_font.py

@@ -22,19 +22,19 @@ from pathlib import Path
 
 import bpy
 
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .bl_file import get_filepath, ensure_unpacked
 from .dump_anything import Dumper, Loader
 
 
-class BlFont(BlDatablock):
+class BlFont(ReplicatedDatablock):
     bl_id = "fonts"
     bl_class = bpy.types.VectorFont
     bl_check_common = False
     bl_icon = 'FILE_FONT'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         filename = data.get('filename')
 
         if filename == '<builtin>':
@@ -62,7 +62,7 @@ class BlFont(BlDatablock):
     def diff(self):
         return False
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
         if self.instance.filepath and self.instance.filepath != '<builtin>':
             ensure_unpacked(self.instance)

multi_user/bl_types/bl_gpencil.py

@@ -24,7 +24,7 @@ from .dump_anything import  (Dumper,
                                     Loader,
                                     np_dump_collection,
                                     np_load_collection)
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 # GPencil data api is structured as it follow: 
 # GP-Object --> GP-Layers --> GP-Frames --> GP-Strokes --> GP-Stroke-Points
@@ -228,17 +228,17 @@ def load_layer(layer_data, layer):
         load_frame(frame_data, target_frame)
 
 
-class BlGpencil(BlDatablock):
+class BlGpencil(ReplicatedDatablock):
     bl_id = "grease_pencils"
     bl_class = bpy.types.GreasePencil
     bl_check_common = False
     bl_icon = 'GREASEPENCIL'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.grease_pencils.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         target.materials.clear()
         if "materials" in data.keys():
             for mat in data['materials']:
@@ -267,7 +267,7 @@ class BlGpencil(BlDatablock):
 
 
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
         dumper = Dumper()
         dumper.depth = 2
@@ -290,7 +290,7 @@ class BlGpencil(BlDatablock):
         data["eval_frame"] = bpy.context.scene.frame_current
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
 
         for material in self.instance.materials:

multi_user/bl_types/bl_image.py

@@ -24,7 +24,7 @@ import bpy
 import mathutils
 
 from .. import utils
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .dump_anything import Dumper, Loader
 from .bl_file import get_filepath, ensure_unpacked
 
@@ -48,14 +48,14 @@ format_to_ext = {
 }
 
 
-class BlImage(BlDatablock):
+class BlImage(ReplicatedDatablock):
     bl_id = "images"
     bl_class = bpy.types.Image
     bl_check_common = False
     bl_icon = 'IMAGE_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.images.new(
             name=data['name'],
             width=data['size'][0],
@@ -105,7 +105,7 @@ class BlImage(BlDatablock):
         else:
             return None
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
 
         if self.instance.packed_file:

multi_user/bl_types/bl_lattice.py

@@ -20,23 +20,23 @@ import bpy
 import mathutils
 
 from .dump_anything import Dumper, Loader, np_dump_collection, np_load_collection
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from replication.exception import ContextError
 
 POINT = ['co', 'weight_softbody', 'co_deform']
 
 
-class BlLattice(BlDatablock):
+class BlLattice(ReplicatedDatablock):
     bl_id = "lattices"
     bl_class = bpy.types.Lattice
     bl_check_common = False
     bl_icon = 'LATTICE_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.lattices.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         if target.is_editmode:
             raise ContextError("lattice is in edit mode")
 
@@ -45,7 +45,7 @@ class BlLattice(BlDatablock):
 
         np_load_collection(data['points'], target.points, POINT)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         if instance.is_editmode:
             raise ContextError("lattice is in edit mode")
 

multi_user/bl_types/bl_library.py

@@ -20,17 +20,17 @@ import bpy
 import mathutils
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
-class BlLibrary(BlDatablock):
+class BlLibrary(ReplicatedDatablock):
     bl_id = "libraries"
     bl_class = bpy.types.Library
     bl_check_common = False
     bl_icon = 'LIBRARY_DATA_DIRECT'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         with bpy.data.libraries.load(filepath=data["filepath"], link=True) as (sourceData, targetData):
             targetData = sourceData
             return sourceData

multi_user/bl_types/bl_light.py

@@ -20,24 +20,24 @@ import bpy
 import mathutils
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
-class BlLight(BlDatablock):
+class BlLight(ReplicatedDatablock):
     bl_id = "lights"
     bl_class = bpy.types.Light
     bl_check_common = False
     bl_icon = 'LIGHT_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.lights.new(data["name"], data["type"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
         dumper = Dumper()
         dumper.depth = 3

multi_user/bl_types/bl_lightprobe.py

@@ -21,17 +21,17 @@ import mathutils
 import logging
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
-class BlLightprobe(BlDatablock):
+class BlLightprobe(ReplicatedDatablock):
     bl_id = "lightprobes"
     bl_class = bpy.types.LightProbe
     bl_check_common = False
     bl_icon = 'LIGHTPROBE_GRID'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         type = 'CUBE' if data['type'] == 'CUBEMAP' else data['type']
         # See https://developer.blender.org/D6396
         if bpy.app.version[1] >= 83:
@@ -39,11 +39,11 @@ class BlLightprobe(BlDatablock):
         else:
             logging.warning("Lightprobe replication only supported since 2.83. See https://developer.blender.org/D6396")
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
         if bpy.app.version[1] < 83:
             logging.warning("Lightprobe replication only supported since 2.83. See https://developer.blender.org/D6396")

multi_user/bl_types/bl_material.py

@@ -24,7 +24,9 @@ import re
 from uuid import uuid4
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock, get_datablock_from_uuid
+from replication.protocol import ReplicatedDatablock
+
+from .bl_datablock import get_datablock_from_uuid
 
 NODE_SOCKET_INDEX = re.compile('\[(\d*)\]')
 IGNORED_SOCKETS = ['GEOMETRY', 'SHADER', 'CUSTOM']
@@ -389,17 +391,17 @@ def load_materials_slots(src_materials: list, dst_materials: bpy.types.bpy_prop_
         dst_materials.append(mat_ref)
 
 
-class BlMaterial(BlDatablock):
+class BlMaterial(ReplicatedDatablock):
     bl_id = "materials"
     bl_class = bpy.types.Material
     bl_check_common = False
     bl_icon = 'MATERIAL_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.materials.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
 
         is_grease_pencil = data.get('is_grease_pencil')
@@ -417,7 +419,7 @@ class BlMaterial(BlDatablock):
 
             load_node_tree(data['node_tree'], target.node_tree)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
         mat_dumper = Dumper()
         mat_dumper.depth = 2
@@ -486,7 +488,7 @@ class BlMaterial(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         # TODO: resolve node group deps
         deps = []
 

multi_user/bl_types/bl_mesh.py

@@ -25,8 +25,13 @@ import numpy as np
 from .dump_anything import Dumper, Loader, np_load_collection_primitives, np_dump_collection_primitive, np_load_collection, np_dump_collection
 from replication.constants import DIFF_BINARY
 from replication.exception import ContextError
-from .bl_datablock import BlDatablock, get_datablock_from_uuid
+from replication.protocol import ReplicatedDatablock
+
+from .bl_datablock import get_datablock_from_uuid
 from .bl_material import dump_materials_slots, load_materials_slots
+from ..utils import get_preferences
+from .bl_datablock import resolve_datablock_from_uuid
+from .bl_action import dump_animation_data, load_animation_data, resolve_animation_dependencies
 
 VERTICE = ['co']
 
@@ -49,76 +54,79 @@ POLYGON = [
     'material_index',
 ]
 
-class BlMesh(BlDatablock):
+class BlMesh(ReplicatedDatablock):
     bl_id = "meshes"
     bl_class = bpy.types.Mesh
     bl_check_common = False
     bl_icon = 'MESH_DATA'
     bl_reload_parent = True
 
-    def _construct(self, data):
+    @staticmethod
-        instance = bpy.data.meshes.new(data["name"])
+    def construct(data: dict) -> object:
-        instance.uuid = self.uuid
+        instance = bpy.data.meshes.new(data.get("name"))
+        instance.uuid = data.get("uuid")
         return instance
 
-    def _load_implementation(self, data, target):
+    @staticmethod
-        if not target or target.is_editmode:
+    def load(data: dict, datablock: object):
+        if not datablock or datablock.is_editmode:
             raise ContextError
         else:
+            load_animation_data(datablock.get('animation_data'), datablock)
+
             loader = Loader()
-            loader.load(target, data)
+            loader.load(datablock, data)
 
             # MATERIAL SLOTS
             src_materials = data.get('materials', None)
             if src_materials:
-                load_materials_slots(src_materials, target.materials)
+                load_materials_slots(src_materials, datablock.materials)
 
             # CLEAR GEOMETRY
-            if target.vertices:
+            if datablock.vertices:
-                target.clear_geometry()
+                datablock.clear_geometry()
 
-            target.vertices.add(data["vertex_count"])
+            datablock.vertices.add(data["vertex_count"])
-            target.edges.add(data["egdes_count"])
+            datablock.edges.add(data["egdes_count"])
-            target.loops.add(data["loop_count"])
+            datablock.loops.add(data["loop_count"])
-            target.polygons.add(data["poly_count"])
+            datablock.polygons.add(data["poly_count"])
 
             # LOADING
-            np_load_collection(data['vertices'], target.vertices, VERTICE)
+            np_load_collection(data['vertices'], datablock.vertices, VERTICE)
-            np_load_collection(data['edges'], target.edges, EDGE)
+            np_load_collection(data['edges'], datablock.edges, EDGE)
-            np_load_collection(data['loops'], target.loops, LOOP)
+            np_load_collection(data['loops'], datablock.loops, LOOP)
-            np_load_collection(data["polygons"],target.polygons, POLYGON)
+            np_load_collection(data["polygons"],datablock.polygons, POLYGON)
 
             # UV Layers
             if 'uv_layers' in data.keys():
                 for layer in data['uv_layers']:
-                    if layer not in target.uv_layers:
+                    if layer not in datablock.uv_layers:
-                        target.uv_layers.new(name=layer)
+                        datablock.uv_layers.new(name=layer)
 
                     np_load_collection_primitives(
-                        target.uv_layers[layer].data, 
+                        datablock.uv_layers[layer].data, 
                         'uv', 
                         data["uv_layers"][layer]['data'])
             
             # Vertex color
             if 'vertex_colors' in data.keys():
                 for color_layer in data['vertex_colors']:
-                    if color_layer not in target.vertex_colors:
+                    if color_layer not in datablock.vertex_colors:
-                        target.vertex_colors.new(name=color_layer)
+                        datablock.vertex_colors.new(name=color_layer)
 
                     np_load_collection_primitives(
-                        target.vertex_colors[color_layer].data, 
+                        datablock.vertex_colors[color_layer].data, 
                         'color', 
                         data["vertex_colors"][color_layer]['data'])
 
-            target.validate()
+            datablock.validate()
-            target.update()
+            datablock.update()
 
-    def _dump_implementation(self, data, instance=None):
+    @staticmethod
-        assert(instance)
+    def dump(datablock: object) -> dict:
-
+        if (datablock.is_editmode or bpy.context.mode == "SCULPT") and not get_preferences().sync_flags.sync_during_editmode:
-        if (instance.is_editmode or bpy.context.mode == "SCULPT") and not self.preferences.sync_flags.sync_during_editmode:
             raise ContextError("Mesh is in edit mode")
-        mesh = instance
+        mesh = datablock
 
         dumper = Dumper()
         dumper.depth = 1
@@ -132,6 +140,8 @@ class BlMesh(BlDatablock):
 
         data = dumper.dump(mesh)
 
+        data['animation_data'] = dump_animation_data(datablock)
+
         # VERTICES
         data["vertex_count"] = len(mesh.vertices)
         data["vertices"] = np_dump_collection(mesh.vertices, VERTICE)
@@ -163,21 +173,37 @@ class BlMesh(BlDatablock):
                 data['vertex_colors'][color_map.name]['data'] = np_dump_collection_primitive(color_map.data, 'color')
 
         # Materials
-        data['materials'] = dump_materials_slots(instance.materials)
+        data['materials'] = dump_materials_slots(datablock.materials)
         return data
-
+    
-    def _resolve_deps_implementation(self):
+    @staticmethod
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
 
-        for material in self.instance.materials:
+        for material in datablock.materials:
             if material:
                 deps.append(material)
 
+        deps.extend(resolve_animation_dependencies(datablock))
+
         return deps
 
+    @staticmethod
+    def resolve(data: dict) -> object:
+        uuid = data.get('uuid')
+        name = data.get('name')
+        datablock = resolve_datablock_from_uuid(uuid, bpy.data.meshes)
+        if datablock is None:
+            datablock = bpy.data.meshes.get(name)
+
+        return datablock
+
     def diff(self):
         if 'EDIT' in bpy.context.mode \
-                and not self.preferences.sync_flags.sync_during_editmode:
+                and not get_preferences().sync_flags.sync_during_editmode:
             return False
         else:
             return super().diff()
+
+_type = bpy.types.Mesh
+_class = BlMesh

multi_user/bl_types/bl_metaball.py

@@ -23,7 +23,7 @@ from .dump_anything import (
     Dumper, Loader, np_dump_collection_primitive, np_load_collection_primitives,
     np_dump_collection, np_load_collection)
 
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
 ELEMENT = [
@@ -62,17 +62,17 @@ def load_metaball_elements(elements_data, elements):
     np_load_collection(elements_data, elements, ELEMENT)
 
 
-class BlMetaball(BlDatablock):
+class BlMetaball(ReplicatedDatablock):
     bl_id = "metaballs"
     bl_class = bpy.types.MetaBall
     bl_check_common = False
     bl_icon = 'META_BALL'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.metaballs.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
@@ -83,7 +83,7 @@ class BlMetaball(BlDatablock):
 
         load_metaball_elements(data['elements'], target.elements)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
         dumper = Dumper()
         dumper.depth = 1

multi_user/bl_types/bl_node_group.py

@@ -20,26 +20,26 @@ import bpy
 import mathutils
 
 from .dump_anything import Dumper, Loader, np_dump_collection, np_load_collection
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .bl_material import (dump_node_tree,
                           load_node_tree,
                           get_node_tree_dependencies)
 
-class BlNodeGroup(BlDatablock):
+class BlNodeGroup(ReplicatedDatablock):
     bl_id = "node_groups"
     bl_class = bpy.types.NodeTree
     bl_check_common = False
     bl_icon = 'NODETREE'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.node_groups.new(data["name"], data["type"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         load_node_tree(data, target)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         return dump_node_tree(instance)
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         return get_node_tree_dependencies(self.instance)

multi_user/bl_types/bl_object.py

@@ -22,7 +22,8 @@ import bpy
 import mathutils
 from replication.exception import ContextError
 
-from .bl_datablock import BlDatablock, get_datablock_from_uuid
+from replication.protocol import ReplicatedDatablock
+from .bl_datablock import get_datablock_from_uuid, resolve_datablock_from_uuid
 from .bl_material import IGNORED_SOCKETS
 from .bl_action import dump_animation_data, load_animation_data, resolve_animation_dependencies
 from .dump_anything import (
@@ -44,6 +45,8 @@ SHAPEKEY_BLOCK_ATTR = [
     'slider_min',
     'slider_max',
 ]
+
+
 if bpy.app.version[1] >= 93:
     SUPPORTED_GEOMETRY_NODE_PARAMETERS = (int, str, float)
 else:
@@ -51,6 +54,7 @@ else:
     logging.warning("Geometry node Float parameter not supported in \
                     blender 2.92.")
 
+
 def get_node_group_inputs(node_group):
     inputs = []
     for inpt in node_group.inputs:
@@ -89,6 +93,7 @@ def dump_physics(target: bpy.types.Object)->dict:
 
     return physics_data
 
+
 def load_physics(dumped_settings: dict, target: bpy.types.Object):
     """  Load all physics settings from a given object excluding modifier 
         related physics settings (such as softbody, cloth, dynapaint and fluid) 
@@ -114,7 +119,8 @@ def load_physics(dumped_settings: dict, target: bpy.types.Object):
         loader.load(target.rigid_body_constraint, dumped_settings['rigid_body_constraint'])
     elif target.rigid_body_constraint:
         bpy.ops.rigidbody.constraint_remove({"object": target})
-    
+
+
 def dump_modifier_geometry_node_inputs(modifier: bpy.types.Modifier) -> list:
     """ Dump geometry node modifier input properties
 
@@ -295,6 +301,7 @@ def load_vertex_groups(dumped_vertex_groups: dict, target_object: bpy.types.Obje
         for index, weight in vg['vertices']:
             vertex_group.add([index], weight, 'REPLACE')
 
+
 def dump_shape_keys(target_key: bpy.types.Key)->dict:
     """ Dump the target shape_keys datablock to a dict using numpy
 
@@ -436,25 +443,17 @@ def load_modifiers_custom_data(dumped_modifiers: dict, modifiers: bpy.types.bpy_
                 else:
                     logging.error("Could't load projector target object {projector_object}")
             
-class BlObject(BlDatablock):
+class BlObject(ReplicatedDatablock):
     bl_id = "objects"
     bl_class = bpy.types.Object
     bl_check_common = False
     bl_icon = 'OBJECT_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    @staticmethod
+    def construct(data: dict) -> object:
         instance = None
 
-        if self.is_library:
-            with bpy.data.libraries.load(filepath=bpy.data.libraries[self.data['library']].filepath, link=True) as (sourceData, targetData):
-                targetData.objects = [
-                    name for name in sourceData.objects if name == self.data['name']]
-
-            instance = bpy.data.objects[self.data['name']]
-            instance.uuid = self.uuid
-            return instance
-
         # TODO: refactoring
         object_name = data.get("name")
         data_uuid = data.get("data_uuid")
@@ -467,70 +466,71 @@ class BlObject(BlDatablock):
             ignore=['images'])  # TODO: use resolve_from_id
 
         if data_type != 'EMPTY' and object_data is None:
-            raise Exception(f"Fail to load object {data['name']}({self.uuid})")
+            raise Exception(f"Fail to load object {data['name']})")
 
         instance = bpy.data.objects.new(object_name, object_data)
-        instance.uuid = self.uuid
+        instance.uuid = data.get("uuid")
 
         return instance
 
-    def _load_implementation(self, data, target):
+    @staticmethod
+    def load(data: dict, datablock: object):
         loader = Loader()
 
         data_uuid = data.get("data_uuid")
         data_id = data.get("data")
 
-        if target.data and (target.data.name != data_id):
+        if datablock.data and (datablock.data.name != data_id):
-            target.data = get_datablock_from_uuid(
+            datablock.data = get_datablock_from_uuid(
                 data_uuid, find_data_from_name(data_id), ignore=['images'])
 
         # vertex groups
         vertex_groups = data.get('vertex_groups', None)
         if vertex_groups:
-            load_vertex_groups(vertex_groups, target)
+            load_vertex_groups(vertex_groups, datablock)
 
-        object_data = target.data
+        object_data = datablock.data
 
         # SHAPE KEYS
         shape_keys = data.get('shape_keys')
         if shape_keys:
-            load_shape_keys(shape_keys, target)
+            load_shape_keys(shape_keys, datablock)
 
         # Load transformation data
-        loader.load(target, data)
+        loader.load(datablock, data)
 
         #  Object display fields
         if 'display' in data:
-            loader.load(target.display, data['display'])
+            loader.load(datablock.display, data['display'])
 
         #  Parenting
         parent_id = data.get('parent_uid')
         if parent_id:
             parent = get_datablock_from_uuid(parent_id[0], bpy.data.objects[parent_id[1]])
             # Avoid reloading
-            if target.parent != parent and parent is not None:
+            if datablock.parent != parent and parent is not None:
-                target.parent = parent
+                datablock.parent = parent
-        elif target.parent:
+        elif datablock.parent:
-            target.parent = None
+            datablock.parent = None
 
         # Pose
         if 'pose' in data:
-            if not target.pose:
+            if not datablock.pose:
                 raise Exception('No pose data yet (Fixed in a near futur)')
             # Bone groups
             for bg_name in data['pose']['bone_groups']:
                 bg_data = data['pose']['bone_groups'].get(bg_name)
-                bg_target = target.pose.bone_groups.get(bg_name)
+                bg_target = datablock.pose.bone_groups.get(bg_name)
 
                 if not bg_target:
-                    bg_target = target.pose.bone_groups.new(name=bg_name)
+                    bg_target = datablock.pose.bone_groups.new(name=bg_name)
 
                 loader.load(bg_target, bg_data)
-                # target.pose.bone_groups.get
+                # datablock.pose.bone_groups.get
 
             # Bones
             for bone in data['pose']['bones']:
-                target_bone = target.pose.bones.get(bone)
+                target_bone = datablock.pose.bones.get(bone)
                 bone_data = data['pose']['bones'].get(bone)
 
                 if 'constraints' in bone_data.keys():
@@ -539,13 +539,13 @@ class BlObject(BlDatablock):
                 load_pose(target_bone, bone_data)
 
                 if 'bone_index' in bone_data.keys():
-                    target_bone.bone_group = target.pose.bone_group[bone_data['bone_group_index']]
+                    target_bone.bone_group = datablock.pose.bone_group[bone_data['bone_group_index']]
 
         # TODO: find another way...
-        if target.empty_display_type == "IMAGE":
+        if datablock.empty_display_type == "IMAGE":
             img_uuid = data.get('data_uuid')
-            if target.data is None and img_uuid:
+            if datablock.data is None and img_uuid:
-                target.data = get_datablock_from_uuid(img_uuid, None)
+                datablock.data = get_datablock_from_uuid(img_uuid, None)
 
         if hasattr(object_data, 'skin_vertices') \
                 and object_data.skin_vertices\
@@ -556,30 +556,29 @@ class BlObject(BlDatablock):
                     skin_data.data,
                     SKIN_DATA)
 
-        if hasattr(target, 'cycles_visibility') \
+        if hasattr(datablock, 'cycles_visibility') \
                 and 'cycles_visibility' in data:
-            loader.load(target.cycles_visibility, data['cycles_visibility'])
+            loader.load(datablock.cycles_visibility, data['cycles_visibility'])
 
-        if hasattr(target, 'modifiers'):
+        if hasattr(datablock, 'modifiers'):
-            load_modifiers_custom_data(data['modifiers'], target.modifiers)
+            load_modifiers_custom_data(data['modifiers'], datablock.modifiers)
 
         # PHYSICS
-        load_physics(data, target)
+        load_physics(data, datablock)
 
         transform = data.get('transforms', None)
         if transform:
-            target.matrix_parent_inverse = mathutils.Matrix(
+            datablock.matrix_parent_inverse = mathutils.Matrix(
                 transform['matrix_parent_inverse'])
-            target.matrix_basis = mathutils.Matrix(transform['matrix_basis'])
+            datablock.matrix_basis = mathutils.Matrix(transform['matrix_basis'])
-            target.matrix_local = mathutils.Matrix(transform['matrix_local'])
+            datablock.matrix_local = mathutils.Matrix(transform['matrix_local'])
 
 
-    def _dump_implementation(self, data, instance=None):
+    @staticmethod
-        assert(instance)
+    def dump(datablock: object) -> dict:
-
+        if _is_editmode(datablock):
-        if _is_editmode(instance):
             if self.preferences.sync_flags.sync_during_editmode:
-                instance.update_from_editmode()
+                datablock.update_from_editmode()
             else:
                 raise ContextError("Object is in edit-mode.")
 
@@ -618,32 +617,30 @@ class BlObject(BlDatablock):
             'type'
         ]
 
-        data = dumper.dump(instance)
+        data = dumper.dump(datablock)
 
         dumper.include_filter = [
             'matrix_parent_inverse',
             'matrix_local',
             'matrix_basis']
-        data['transforms'] = dumper.dump(instance)
+        data['transforms'] = dumper.dump(datablock)
         dumper.include_filter = [
             'show_shadows',
         ]
-        data['display'] = dumper.dump(instance.display)
+        data['display'] = dumper.dump(datablock.display)
 
-        data['data_uuid'] = getattr(instance.data, 'uuid', None)
+        data['data_uuid'] = getattr(datablock.data, 'uuid', None)
-        if self.is_library:
-            return data
 
         # PARENTING
-        if instance.parent:
+        if datablock.parent:
-            data['parent_uid'] = (instance.parent.uuid, instance.parent.name)
+            data['parent_uid'] = (datablock.parent.uuid, datablock.parent.name)
 
         # MODIFIERS
-        modifiers = getattr(instance, 'modifiers', None)
+        modifiers = getattr(datablock, 'modifiers', None)
-        if hasattr(instance, 'modifiers'):
+        if hasattr(datablock, 'modifiers'):
             data['modifiers'] = dump_modifiers(modifiers)
 
-        gp_modifiers = getattr(instance, 'grease_pencil_modifiers', None)
+        gp_modifiers = getattr(datablock, 'grease_pencil_modifiers', None)
 
         if gp_modifiers:
             dumper.include_filter = None
@@ -666,16 +663,16 @@ class BlObject(BlDatablock):
 
 
         # CONSTRAINTS
-        if hasattr(instance, 'constraints'):
+        if hasattr(datablock, 'constraints'):
             dumper.include_filter = None
             dumper.depth = 3
-            data["constraints"] = dumper.dump(instance.constraints)
+            data["constraints"] = dumper.dump(datablock.constraints)
 
         # POSE
-        if hasattr(instance, 'pose') and instance.pose:
+        if hasattr(datablock, 'pose') and datablock.pose:
             # BONES
             bones = {}
-            for bone in instance.pose.bones:
+            for bone in datablock.pose.bones:
                 bones[bone.name] = {}
                 dumper.depth = 1
                 rotation = 'rotation_quaternion' if bone.rotation_mode == 'QUATERNION' else 'rotation_euler'
@@ -700,7 +697,7 @@ class BlObject(BlDatablock):
 
             # GROUPS
             bone_groups = {}
-            for group in instance.pose.bone_groups:
+            for group in datablock.pose.bone_groups:
                 dumper.depth = 3
                 dumper.include_filter = [
                     'name',
@@ -710,11 +707,11 @@ class BlObject(BlDatablock):
             data['pose']['bone_groups'] = bone_groups
 
         # VERTEx GROUP
-        if len(instance.vertex_groups) > 0:
+        if len(datablock.vertex_groups) > 0:
-            data['vertex_groups'] = dump_vertex_groups(instance)
+            data['vertex_groups'] = dump_vertex_groups(datablock)
 
         #  SHAPE KEYS
-        object_data = instance.data
+        object_data = datablock.data
         if hasattr(object_data, 'shape_keys') and object_data.shape_keys:
             data['shape_keys'] = dump_shape_keys(object_data.shape_keys)
 
@@ -727,7 +724,7 @@ class BlObject(BlDatablock):
             data['skin_vertices'] = skin_vertices
 
         # CYCLE SETTINGS
-        if hasattr(instance, 'cycles_visibility'):
+        if hasattr(datablock, 'cycles_visibility'):
             dumper.include_filter = [
                 'camera',
                 'diffuse',
@@ -736,38 +733,49 @@ class BlObject(BlDatablock):
                 'scatter',
                 'shadow',
             ]
-            data['cycles_visibility'] = dumper.dump(instance.cycles_visibility)
+            data['cycles_visibility'] = dumper.dump(datablock.cycles_visibility)
 
         # PHYSICS
-        data.update(dump_physics(instance))
+        data.update(dump_physics(datablock))
 
         return data
 
-    def _resolve_deps_implementation(self):
+    @staticmethod
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
 
         # Avoid Empty case
-        if self.instance.data:
+        if datablock.data:
-            deps.append(self.instance.data)
+            deps.append(datablock.data)
 
         # Particle systems
-        for particle_slot in self.instance.particle_systems:
+        for particle_slot in datablock.particle_systems:
             deps.append(particle_slot.settings)
 
-        if self.is_library:
+        if datablock.parent:
-            deps.append(self.instance.library)
+            deps.append(datablock.parent)
 
-        if self.instance.parent:
+        if datablock.instance_type == 'COLLECTION':
-            deps.append(self.instance.parent)
-
-        if self.instance.instance_type == 'COLLECTION':
             # TODO: uuid based
-            deps.append(self.instance.instance_collection)
+            deps.append(datablock.instance_collection)
 
-        if self.instance.modifiers:
+        if datablock.modifiers:
-            deps.extend(find_textures_dependencies(self.instance.modifiers))
+            deps.extend(find_textures_dependencies(datablock.modifiers))
-            deps.extend(find_geometry_nodes_dependencies(self.instance.modifiers))
+            deps.extend(find_geometry_nodes_dependencies(datablock.modifiers))
 
-        if hasattr(self.instance.data, 'shape_keys') and self.instance.data.shape_keys:
+        if hasattr(datablock.data, 'shape_keys') and datablock.data.shape_keys:
-            deps.extend(resolve_animation_dependencies(self.instance.data.shape_keys))
+            deps.extend(resolve_animation_dependencies(datablock.data.shape_keys))
         return deps
+
+    @staticmethod
+    def resolve(data: dict) -> object:
+        uuid = data.get('uuid')
+        name = data.get('name')
+        datablock = resolve_datablock_from_uuid(uuid, bpy.data.objects)
+        if datablock is None:
+            datablock = bpy.data.objects.get(name)
+
+        return datablock
+
+_type = bpy.types.Object
+_class = BlObject

multi_user/bl_types/bl_particle.py

@@ -2,7 +2,8 @@ import bpy
 import mathutils
 
 from . import dump_anything
-from .bl_datablock import BlDatablock, get_datablock_from_uuid
+from replication.protocol import ReplicatedDatablock
+from .bl_datablock import get_datablock_from_uuid
 
 
 def dump_textures_slots(texture_slots: bpy.types.bpy_prop_collection) -> list:
@@ -37,19 +38,19 @@ IGNORED_ATTR = [
     "users"
 ]
 
-class BlParticle(BlDatablock):
+class BlParticle(ReplicatedDatablock):
     bl_id = "particles"
     bl_class = bpy.types.ParticleSettings
     bl_icon = "PARTICLES"
     bl_check_common = False
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         instance = bpy.data.particles.new(data["name"])
         instance.uuid = self.uuid
         return instance
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         dump_anything.load(target, data)
 
         dump_anything.load(target.effector_weights, data["effector_weights"])
@@ -66,7 +67,7 @@ class BlParticle(BlDatablock):
         # Texture slots
         load_texture_slots(data["texture_slots"], target.texture_slots)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert instance
 
         dumper = dump_anything.Dumper()
@@ -86,5 +87,5 @@ class BlParticle(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         return [t.texture for t in self.instance.texture_slots if t and t.texture]

multi_user/bl_types/bl_scene.py

@@ -18,7 +18,7 @@
 
 import logging
 from pathlib import Path
-
+from uuid import uuid4
 import bpy
 import mathutils
 from deepdiff import DeepDiff, Delta
@@ -28,9 +28,12 @@ from ..utils import flush_history
 from .bl_collection import (dump_collection_children, dump_collection_objects,
                             load_collection_childrens, load_collection_objects,
                             resolve_collection_dependencies)
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .bl_file import get_filepath
+from .bl_action import dump_animation_data, load_animation_data, resolve_animation_dependencies
 from .dump_anything import Dumper, Loader
+from ..utils import get_preferences
+from .bl_datablock import resolve_datablock_from_uuid
 
 RENDER_SETTINGS = [
     'dither_intensity',
@@ -367,7 +370,7 @@ def load_sequence(sequence_data: dict, sequence_editor: bpy.types.SequenceEditor
     sequence.select = False
 
 
-class BlScene(BlDatablock):
+class BlScene(ReplicatedDatablock):
     is_root = True
 
     bl_id = "scenes"
@@ -376,58 +379,62 @@ class BlScene(BlDatablock):
     bl_icon = 'SCENE_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    @staticmethod
+    def construct(data: dict) -> object:
         instance = bpy.data.scenes.new(data["name"])
-        instance.uuid = self.uuid
+        instance.uuid = data.get('uuid')
 
         return instance
 
-    def _load_implementation(self, data, target):
+    @staticmethod
+    def load(data: dict, datablock: object):
+        load_animation_data(datablock.get('animation_data'), datablock)
+
         # Load other meshes metadata
         loader = Loader()
-        loader.load(target, data)
+        loader.load(datablock, data)
 
         # Load master collection
         load_collection_objects(
-            data['collection']['objects'], target.collection)
+            data['collection']['objects'], datablock.collection)
         load_collection_childrens(
-            data['collection']['children'], target.collection)
+            data['collection']['children'], datablock.collection)
 
         if 'world' in data.keys():
-            target.world = bpy.data.worlds[data['world']]
+            datablock.world = bpy.data.worlds[data['world']]
 
         # Annotation
         if 'grease_pencil' in data.keys():
-            target.grease_pencil = bpy.data.grease_pencils[data['grease_pencil']]
+            datablock.grease_pencil = bpy.data.grease_pencils[data['grease_pencil']]
 
-        if self.preferences.sync_flags.sync_render_settings:
+        if get_preferences().sync_flags.sync_render_settings:
             if 'eevee' in data.keys():
-                loader.load(target.eevee, data['eevee'])
+                loader.load(datablock.eevee, data['eevee'])
 
             if 'cycles' in data.keys():
-                loader.load(target.cycles, data['cycles'])
+                loader.load(datablock.cycles, data['cycles'])
 
             if 'render' in data.keys():
-                loader.load(target.render, data['render'])
+                loader.load(datablock.render, data['render'])
 
             if 'view_settings' in data.keys():
-                loader.load(target.view_settings, data['view_settings'])
+                loader.load(datablock.view_settings, data['view_settings'])
-                if target.view_settings.use_curve_mapping and \
+                if datablock.view_settings.use_curve_mapping and \
                         'curve_mapping' in data['view_settings']:
                     # TODO: change this ugly fix
-                    target.view_settings.curve_mapping.white_level = data[
+                    datablock.view_settings.curve_mapping.white_level = data[
                         'view_settings']['curve_mapping']['white_level']
-                    target.view_settings.curve_mapping.black_level = data[
+                    datablock.view_settings.curve_mapping.black_level = data[
                         'view_settings']['curve_mapping']['black_level']
-                    target.view_settings.curve_mapping.update()
+                    datablock.view_settings.curve_mapping.update()
 
         # Sequencer
         sequences = data.get('sequences')
         
         if sequences:
             # Create sequencer data
-            target.sequence_editor_create()
+            datablock.sequence_editor_create()
-            vse = target.sequence_editor
+            vse = datablock.sequence_editor
 
             # Clear removed sequences
             for seq in vse.sequences_all:
@@ -437,15 +444,17 @@ class BlScene(BlDatablock):
             for seq_name, seq_data in sequences.items():
                 load_sequence(seq_data, vse)
         # If the sequence is no longer used, clear it
-        elif target.sequence_editor and not sequences:
+        elif datablock.sequence_editor and not sequences:
-            target.sequence_editor_clear()
+            datablock.sequence_editor_clear()
 
         # FIXME: Find a better way after the replication big refacotoring
         # Keep other user from deleting collection object by flushing their history
         flush_history()
 
-    def _dump_implementation(self, data, instance=None):
+    @staticmethod
-        assert(instance)
+    def dump(datablock: object) -> dict:
+        data = {}
+        data['animation_data'] = dump_animation_data(datablock)
 
         # Metadata
         scene_dumper = Dumper()
@@ -459,40 +468,40 @@ class BlScene(BlDatablock):
             'frame_end',
             'frame_step',
         ]
-        if self.preferences.sync_flags.sync_active_camera:
+        if get_preferences().sync_flags.sync_active_camera:
             scene_dumper.include_filter.append('camera')
 
-        data.update(scene_dumper.dump(instance))
+        data.update(scene_dumper.dump(datablock))
 
         # Master collection
         data['collection'] = {}
         data['collection']['children'] = dump_collection_children(
-            instance.collection)
+            datablock.collection)
         data['collection']['objects'] = dump_collection_objects(
-            instance.collection)
+            datablock.collection)
 
         scene_dumper.depth = 1
         scene_dumper.include_filter = None
 
         # Render settings
-        if self.preferences.sync_flags.sync_render_settings:
+        if get_preferences().sync_flags.sync_render_settings:
             scene_dumper.include_filter = RENDER_SETTINGS
 
-            data['render'] = scene_dumper.dump(instance.render)
+            data['render'] = scene_dumper.dump(datablock.render)
 
-            if instance.render.engine == 'BLENDER_EEVEE':
+            if datablock.render.engine == 'BLENDER_EEVEE':
                 scene_dumper.include_filter = EVEE_SETTINGS
-                data['eevee'] = scene_dumper.dump(instance.eevee)
+                data['eevee'] = scene_dumper.dump(datablock.eevee)
-            elif instance.render.engine == 'CYCLES':
+            elif datablock.render.engine == 'CYCLES':
                 scene_dumper.include_filter = CYCLES_SETTINGS
-                data['cycles'] = scene_dumper.dump(instance.cycles)
+                data['cycles'] = scene_dumper.dump(datablock.cycles)
 
             scene_dumper.include_filter = VIEW_SETTINGS
-            data['view_settings'] = scene_dumper.dump(instance.view_settings)
+            data['view_settings'] = scene_dumper.dump(datablock.view_settings)
 
-            if instance.view_settings.use_curve_mapping:
+            if datablock.view_settings.use_curve_mapping:
                 data['view_settings']['curve_mapping'] = scene_dumper.dump(
-                    instance.view_settings.curve_mapping)
+                    datablock.view_settings.curve_mapping)
                 scene_dumper.depth = 5
                 scene_dumper.include_filter = [
                     'curves',
@@ -500,10 +509,10 @@ class BlScene(BlDatablock):
                     'location',
                 ]
                 data['view_settings']['curve_mapping']['curves'] = scene_dumper.dump(
-                    instance.view_settings.curve_mapping.curves)
+                    datablock.view_settings.curve_mapping.curves)
 
         # Sequence
-        vse = instance.sequence_editor
+        vse = datablock.sequence_editor
         if vse:
             dumped_sequences = {}
             for seq in vse.sequences_all:
@@ -513,22 +522,25 @@ class BlScene(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    @staticmethod
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
 
         # Master Collection
-        deps.extend(resolve_collection_dependencies(self.instance.collection))
+        deps.extend(resolve_collection_dependencies(datablock.collection))
 
         # world
-        if self.instance.world:
+        if datablock.world:
-            deps.append(self.instance.world)
+            deps.append(datablock.world)
 
         # annotations
-        if self.instance.grease_pencil:
+        if datablock.grease_pencil:
-            deps.append(self.instance.grease_pencil)
+            deps.append(datablock.grease_pencil)
+
+        deps.extend(resolve_animation_dependencies(datablock))
 
         # Sequences
-        vse = self.instance.sequence_editor
+        vse = datablock.sequence_editor
         if vse:
             for sequence in vse.sequences_all:
                 if sequence.type == 'MOVIE' and sequence.filepath:
@@ -543,6 +555,16 @@ class BlScene(BlDatablock):
 
         return deps
 
+    @staticmethod
+    def resolve(data: dict) -> object:
+        uuid = data.get('uuid')
+        name = data.get('name')
+        datablock = resolve_datablock_from_uuid(uuid, bpy.data.scenes)
+        if datablock is None:
+            datablock = bpy.data.scenes.get(name)
+
+        return datablock
+
     def diff(self):
         exclude_path = []
 
@@ -564,4 +586,6 @@ class BlScene(BlDatablock):
             'mutate':True
         }
         return super().diff(diff_params=diff_params)
-        # return Delta(DeepDiff(self.data, self._dump(instance=self.instance),))
+
+_type = bpy.types.Scene
+_class = BlScene

multi_user/bl_types/bl_sound.py

@@ -23,18 +23,18 @@ from pathlib import Path
 import bpy
 
 from .bl_file import get_filepath, ensure_unpacked
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .dump_anything import Dumper, Loader
 
 
-class BlSound(BlDatablock):
+class BlSound(ReplicatedDatablock):
     bl_id = "sounds"
     bl_class = bpy.types.Sound
     bl_check_common = False
     bl_icon = 'SOUND'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         filename = data.get('filename')
 
         return bpy.data.sounds.load(get_filepath(filename))
@@ -57,7 +57,7 @@ class BlSound(BlDatablock):
             'name': instance.name
         }
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
         if self.instance.filepath and self.instance.filepath != '<builtin>':
             ensure_unpacked(self.instance)

multi_user/bl_types/bl_speaker.py

@@ -20,24 +20,24 @@ import bpy
 import mathutils
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
-class BlSpeaker(BlDatablock):
+class BlSpeaker(ReplicatedDatablock):
     bl_id = "speakers"
     bl_class = bpy.types.Speaker
     bl_check_common = False
     bl_icon = 'SPEAKER'
     bl_reload_parent = False
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.speakers.new(data["name"])
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         dumper = Dumper()
@@ -60,7 +60,7 @@ class BlSpeaker(BlDatablock):
 
         return dumper.dump(instance)
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         # TODO: resolve material
         deps = []
 

multi_user/bl_types/bl_texture.py

@@ -20,24 +20,24 @@ import bpy
 import mathutils
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 
 
-class BlTexture(BlDatablock):
+class BlTexture(ReplicatedDatablock):
     bl_id = "textures"
     bl_class = bpy.types.Texture
     bl_check_common = False
     bl_icon = 'TEXTURE'
     bl_reload_parent = False
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.textures.new(data["name"], data["type"])
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         dumper = Dumper()
@@ -61,7 +61,7 @@ class BlTexture(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         # TODO: resolve material
         deps = []
 

multi_user/bl_types/bl_volume.py

@@ -21,17 +21,18 @@ import mathutils
 from pathlib import Path
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock, get_datablock_from_uuid
+from replication.protocol import ReplicatedDatablock
+from .bl_datablock import get_datablock_from_uuid
 from .bl_material import dump_materials_slots, load_materials_slots
 
-class BlVolume(BlDatablock):
+class BlVolume(ReplicatedDatablock):
     bl_id = "volumes"
     bl_class = bpy.types.Volume
     bl_check_common = False
     bl_icon = 'VOLUME_DATA'
     bl_reload_parent = False
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
         loader.load(target.display, data['display'])
@@ -41,10 +42,10 @@ class BlVolume(BlDatablock):
         if src_materials:
             load_materials_slots(src_materials, target.materials)
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.volumes.new(data["name"])
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         dumper = Dumper()
@@ -69,7 +70,7 @@ class BlVolume(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         # TODO: resolve material
         deps = []
 

multi_user/bl_types/bl_world.py

@@ -20,23 +20,23 @@ import bpy
 import mathutils
 
 from .dump_anything import Loader, Dumper
-from .bl_datablock import BlDatablock
+from replication.protocol import ReplicatedDatablock
 from .bl_material import (load_node_tree,
                           dump_node_tree,
                           get_node_tree_dependencies)
 
 
-class BlWorld(BlDatablock):
+class BlWorld(ReplicatedDatablock):
     bl_id = "worlds"
     bl_class = bpy.types.World
     bl_check_common = True
     bl_icon = 'WORLD_DATA'
     bl_reload_parent = False
 
-    def _construct(self, data):
+    def construct(data: dict) -> object:
         return bpy.data.worlds.new(data["name"])
 
-    def _load_implementation(self, data, target):
+    def load(data: dict, datablock: object):
         loader = Loader()
         loader.load(target, data)
 
@@ -46,7 +46,7 @@ class BlWorld(BlDatablock):
 
             load_node_tree(data['node_tree'], target.node_tree)
 
-    def _dump_implementation(self, data, instance=None):
+    def dump(datablock: object) -> dict:
         assert(instance)
 
         world_dumper = Dumper()
@@ -62,7 +62,7 @@ class BlWorld(BlDatablock):
 
         return data
 
-    def _resolve_deps_implementation(self):
+    def resolve_deps(datablock: object) -> [object]:
         deps = []
 
         if self.instance.use_nodes:

multi_user/operators.py

@@ -45,11 +45,12 @@ from bpy.app.handlers import persistent
 from bpy_extras.io_utils import ExportHelper, ImportHelper
 from replication.constants import (COMMITED, FETCHED, RP_COMMON, STATE_ACTIVE,
                                    STATE_INITIAL, STATE_SYNCING, UP)
-from replication.data import DataTranslationProtocol
+from replication.protocol import DataTranslationProtocol
 from replication.exception import ContextError, NonAuthorizedOperationError
 from replication.interface import session
 from replication import porcelain
 from replication.repository import Repository
+from replication.objects import Node
 
 from . import bl_types, environment, timers, ui, utils
 from .presence import SessionStatusWidget, renderer, view3d_find
@@ -88,8 +89,10 @@ def initialize_session():
         if node_ref is None:
             logging.error(f"Can't construct node {node}")
         elif node_ref.state == FETCHED:
-            node_ref.resolve()
+            node_ref.instance = session.repository.rdp.resolve(node_ref.data)
-    
+            if node_ref.instance is None:
+                node_ref.instance = session.repository.rdp.construct(node_ref.data)
+
     # Step 2: Load nodes
     logging.info("Loading nodes")
     for node in session.repository.list_ordered():
@@ -184,29 +187,16 @@ class SessionStartOperator(bpy.types.Operator):
 
                 handler.setFormatter(formatter)
 
-        bpy_protocol = DataTranslationProtocol()
+        bpy_protocol = bl_types.get_data_translation_protocol()
-        supported_bl_types = []
 
-        # init the factory with supported types
+        # Check if supported_datablocks are up to date before starting the
-        for type in bl_types.types_to_register():
+        # the session
-            type_module = getattr(bl_types, type)
+        for impl in bpy_protocol.implementations.values():
-            name = [e.capitalize() for e in type.split('_')[1:]]
+            if impl.__name__ not in settings.supported_datablocks:
-            type_impl_name = 'Bl'+''.join(name)
+                logging.info(f"{impl.__name__} not found, \
-            type_module_class = getattr(type_module, type_impl_name)
-
-            supported_bl_types.append(type_module_class.bl_id)
-
-            if type_impl_name not in settings.supported_datablocks:
-                logging.info(f"{type_impl_name} not found, \
                              regenerate type settings...")
                 settings.generate_supported_types()
 
-            type_local_config = settings.supported_datablocks[type_impl_name]
-
-            bpy_protocol.register_type(
-                type_module_class.bl_class,
-                type_module_class,
-                check_common=type_module_class.bl_check_common)
 
         if bpy.app.version[1] >= 91:
             python_binary_path = sys.executable
@@ -214,7 +204,7 @@ class SessionStartOperator(bpy.types.Operator):
             python_binary_path = bpy.app.binary_path_python
 
         repo = Repository(
-            data_protocol=bpy_protocol,
+            rdp=bpy_protocol,
             username=settings.username)
     
         # Host a session
@@ -850,28 +840,13 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
             
 
             # init the factory with supported types
-            bpy_protocol = DataTranslationProtocol()
+            bpy_protocol = bl_types.get_data_translation_protocol()
-            for type in bl_types.types_to_register():
-                type_module = getattr(bl_types, type)
-                name = [e.capitalize() for e in type.split('_')[1:]]
-                type_impl_name = 'Bl'+''.join(name)
-                type_module_class = getattr(type_module, type_impl_name)
-
-
-                bpy_protocol.register_type(
-                    type_module_class.bl_class,
-                    type_module_class)
             
             graph = Repository()
 
             for node, node_data in nodes:
-                node_type = node_data.get('str_type')
-
-                impl = bpy_protocol.get_implementation_from_net(node_type)
-
-                if impl:
                     logging.info(f"Loading  {node}")
-                    instance = impl(owner=node_data['owner'],
+                    instance = Node(owner=node_data['owner'],
                                     uuid=node,
                                     dependencies=node_data['dependencies'],
                                     data=node_data['data'])
@@ -990,20 +965,20 @@ def depsgraph_evaluation(scene):
             if update.id.uuid:
                 # Retrieve local version
                 node = session.repository.get_node(update.id.uuid)
-                
+                check_common = session.repository.rdp.get_implementation(update.id).bl_check_common
                 # Check our right on this update:
                 #   - if its ours or ( under common and diff), launch the
                 # update process
                 #   - if its to someone else, ignore the update
-                if node and (node.owner == session.id or node.bl_check_common):
+                if node and (node.owner == session.id or check_common):
                     if node.state == UP:
                         try:
                             porcelain.commit(session.repository, node.uuid)
                             porcelain.push(session.repository, 'origin', node.uuid)
                         except ReferenceError:
                             logging.debug(f"Reference error {node.uuid}")
-                            if not node.is_valid():
+                            # if not node.is_valid():
-                                session.remove(node.uuid)
+                            #     session.remove(node.uuid)
                         except ContextError as e:
                             logging.debug(e) 
                         except Exception as e:

multi_user/preferences.py

@@ -407,18 +407,18 @@ class SessionPrefs(bpy.types.AddonPreferences):
     def generate_supported_types(self):
         self.supported_datablocks.clear()
 
-        for type in bl_types.types_to_register():
+        bpy_protocol = bl_types.get_data_translation_protocol()
+
+        # init the factory with supported types
+        for impl in bpy_protocol.implementations.values():
             new_db = self.supported_datablocks.add()
 
-            type_module = getattr(bl_types, type)
+            new_db.name = impl.__name__
-            name = [e.capitalize() for e in type.split('_')[1:]]
+            new_db.type_name = impl.__name__
-            type_impl_name = 'Bl'+''.join(name)
-            type_module_class = getattr(type_module, type_impl_name)
-            new_db.name = type_impl_name
-            new_db.type_name = type_impl_name
             new_db.use_as_filter = True
-            new_db.icon = type_module_class.bl_icon
+            new_db.icon = impl.bl_icon
-            new_db.bl_name = type_module_class.bl_id
+            new_db.bl_name = impl.bl_id
+
 
 
 def client_list_callback(scene, context):

multi_user/timers.py

@@ -121,7 +121,8 @@ class ApplyTimer(Timer):
                         logging.error(f"Fail to apply {node_ref.uuid}")
                         traceback.print_exc()
                     else:
-                        if node_ref.bl_reload_parent:
+                        impl = session.repository.rdp.get_implementation(node_ref.instance)
+                        if impl.bl_reload_parent:
                             for parent in session.repository.get_parents(node):
                                 logging.debug("Refresh parent {node}")
                                 porcelain.apply(session.repository,

multi_user/ui.py

@@ -453,8 +453,8 @@ def draw_property(context, parent, property_uuid, level=0):
 
     detail_item_box = line.row(align=True)
 
-    detail_item_box.label(text="",
+    detail_item_box.label(text="")
-                          icon=settings.supported_datablocks[item.str_type].icon)
+                        #   icon=settings.supported_datablocks].icon)
     detail_item_box.label(text=f"{name}")
 
     # Operations
@@ -561,12 +561,7 @@ class SESSION_PT_repository(bpy.types.Panel):
             types_filter = [t.type_name for t in settings.supported_datablocks
                             if t.use_as_filter]
 
-            key_to_filter = session.list(
+            client_keys = session.list()
-                filter_owner=settings.username) if runtime_settings.filter_owned else session.list()
-
-            client_keys = [key for key in key_to_filter
-                           if session.repository.get_node(key).str_type
-                           in types_filter]
 
             if client_keys:
                 col = layout.column(align=True)