fix: remove ui overwrite class

This reverts commit f7c4f5d1fe.

.gitlab-ci.yml

@@ -2,9 +2,12 @@ stages:
   - test
   - build
   - deploy
+  - doc
+
 
 
 include:
   - local: .gitlab/ci/test.gitlab-ci.yml
   - local: .gitlab/ci/build.gitlab-ci.yml
   - local: .gitlab/ci/deploy.gitlab-ci.yml
+  - local: .gitlab/ci/doc.gitlab-ci.yml

.gitlab/ci/build.gitlab-ci.yml

@@ -1,5 +1,6 @@
 build:
   stage: build
+  needs: ["test"]
   image: debian:stable-slim
   script:
     - rm -rf tests .git .gitignore script

.gitlab/ci/deploy.gitlab-ci.yml

@@ -1,5 +1,6 @@
 deploy:
   stage: deploy
+  needs: ["build"]
   image: slumber/docker-python  
   variables:
     DOCKER_DRIVER: overlay2

.gitlab/ci/doc.gitlab-ci.yml

@@ -0,0 +1,16 @@
+pages:
+  stage: doc
+  needs: ["deploy"]
+  image: python
+  script:
+  - pip install -U sphinx sphinx_rtd_theme sphinx-material
+  - sphinx-build -b html ./docs public
+  artifacts:
+    paths:
+    - public
+  only:
+    refs:
+    - master
+    - develop
+
+

CHANGELOG.md

@@ -157,4 +157,33 @@ All notable changes to this project will be documented in this file.
 - Empty and Light object selection highlights
 - Material renaming
 - Default material nodes input parameters
-- blender 2.91 python api compatibility
+- blender 2.91 python api compatibility
+
+## [0.3.0] - 2021-04-14
+
+### Added
+
+- Curve material support
+- Cycle visibility settings
+- Session save/load  operator 
+- Add new scene support
+- Physic initial support
+- Geometry node initial support
+- Blender 2.93 compatibility
+### Changed
+
+- Host documentation on Gitlab Page
+- Event driven update (from the blender deps graph)
+
+### Fixed
+
+- Vertex group assignation
+- Parent relation can't be removed
+- Separate object
+- Delete animation
+- Sync missing holdout option for grease pencil material
+- Sync missing `skin_vertices`  
+- Exception access violation during Undo/Redo
+- Sync missing armature bone Roll
+- Sync missing driver data_path
+- Constraint replication

README.md

@@ -19,44 +19,46 @@ This tool aims to allow multiple users to work on the same scene over the networ
 
 ## Usage
 
-See the [documentation](https://multi-user.readthedocs.io/en/latest/) for details.
+See the [documentation](https://slumber.gitlab.io/multi-user/index.html) for details.
 
 ## Troubleshooting
 
-See the [troubleshooting guide](https://multi-user.readthedocs.io/en/latest/getting_started/troubleshooting.html) for tips on the most common issues.
+See the [troubleshooting guide](https://slumber.gitlab.io/multi-user/getting_started/troubleshooting.html) for tips on the most common issues.
 
 ## Current development status
 
 Currently, not all data-block are supported for replication over the wire. The following list summarizes the status for each ones.
 
-| Name        | Status |                                   Comment                                    |
-| ----------- | :----: | :--------------------------------------------------------------------------: |
-| action      |   ✔️    |                                                                              |
-| armature    |   ❗    |                                  Not stable                                  |
-| camera      |   ✔️    |                                                                              |
-| collection  |   ✔️    |                                                                              |
-| curve       |   ❗    |                             Nurbs not supported                              |
-| gpencil     |   ✔️    | [Airbrush not supported](https://gitlab.com/slumber/multi-user/-/issues/123) |
-| image       |   ✔️    |                                                                              |
-| mesh        |   ✔️    |                                                                              |
-| material    |   ✔️    |                                                                              |
-| node_groups |   ❗    |                                Material only                                 |
-| metaball    |   ✔️    |                                                                              |
-| object      |   ✔️    |                                                                              |
-| textures    |   ❗    |                         Supported for modifiers only                         |
-| texts       |   ✔️    |                                                                              |
-| scene       |   ✔️    |                                                                              |
-| world       |   ✔️    |                                                                              |
-| lightprobes |   ✔️    |                                                                              |
-| compositing |   ❌    |         [Planned](https://gitlab.com/slumber/multi-user/-/issues/46)         |
-| texts       |   ❌    |         [Planned](https://gitlab.com/slumber/multi-user/-/issues/81)         |
-| nla         |   ❌    |                                                                              |
-| volumes     |   ✔️    |                                                                              |
-| particles   |   ❌    |        [On-going](https://gitlab.com/slumber/multi-user/-/issues/24)         |
-| speakers    |   ❗    |         [Partial](https://gitlab.com/slumber/multi-user/-/issues/65)         |
-| vse         |   ❗    |                       Mask and Clip not supported yet                        |
-| physics     |   ❌    |         [Planned](https://gitlab.com/slumber/multi-user/-/issues/45)         |
-| libraries   |   ❗    |                                   Partial                                    |
+| Name           | Status |                           Comment                            |
+| -------------- | :----: | :----------------------------------------------------------: |
+| action         |   ✔️    |                                                              |
+| armature       |   ❗    |                          Not stable                          |
+| camera         |   ✔️    |                                                              |
+| collection     |   ✔️    |                                                              |
+| curve          |   ❗    |                 Nurbs surfaces not supported                 |
+| gpencil        |   ✔️    |                                                              |
+| image          |   ✔️    |                                                              |
+| mesh           |   ✔️    |                                                              |
+| material       |   ✔️    |                                                              |
+| node_groups    |   ❗    |                   Material & Geometry only                   |
+| geometry nodes |   ✔️    |                                                              |
+| metaball       |   ✔️    |                                                              |
+| object         |   ✔️    |                                                              |
+| textures       |   ❗    |       Supported for modifiers/materials/geo nodes only       |
+| texts          |   ✔️    |                                                              |
+| scene          |   ✔️    |                                                              |
+| world          |   ✔️    |                                                              |
+| lightprobes    |   ✔️    |                                                              |
+| compositing    |   ❌    | [Planned](https://gitlab.com/slumber/multi-user/-/issues/46) |
+| texts          |   ❌    | [Planned](https://gitlab.com/slumber/multi-user/-/issues/81) |
+| nla            |   ❌    |                                                              |
+| volumes        |   ✔️    |                                                              |
+| particles      |   ❗    |                   The cache isn't syncing.                   |
+| speakers       |   ❗    | [Partial](https://gitlab.com/slumber/multi-user/-/issues/65) |
+| vse            |   ❗    |               Mask and Clip not supported yet                |
+| physics        |   ❌    | [Planned](https://gitlab.com/slumber/multi-user/-/issues/45) |
+| libraries      |   ❗    |                           Partial                            |
+
 
 
 ### Performance issues
@@ -74,7 +76,7 @@ I'm working on it.
 
 ## Contributing
 
-See [contributing section](https://multi-user.readthedocs.io/en/latest/ways_to_contribute.html) of the documentation.
+See [contributing section](https://slumber.gitlab.io/multi-user/ways_to_contribute.html) of the documentation.
 
 Feel free to [join the discord server](https://discord.gg/aBPvGws) to chat, seek help and contribute.
 

docs/getting_started/quickstart.rst

@@ -108,36 +108,69 @@ Before starting make sure that you have access to the session IP address and por
 1. Fill in your user information
 --------------------------------
 
-Follow the user-info_ section for this step.
+Joining a server 
+=======================
 
-----------------
-2. Network setup
-----------------
+--------------
+Network setup
+--------------
 
 In the network panel, select **JOIN**.
 The **join sub-panel** (see image below) allows you to configure your client to join a
 collaborative session which is already hosted.
 
-.. figure:: img/quickstart_join.png
-   :align: center
-   :alt: Connect menu
+.. figure:: img/server_preset_image_normal_server.png
+    :align: center
+    :width: 200px
 
-   Connection panel
+    Connection pannel
 
 Fill in the fields with your information:
 
 - **IP**: the host's IP address.
 - **Port**: the host's port number.
-- **Connect as admin**: connect yourself with **admin rights** (see :ref:`admin` ) to the session.
-
-.. Maybe something more explicit here
-
-.. note::
-   Additional configuration settings can be found in the :ref:`advanced` section.
 
 Once you've configured every field, hit the button **CONNECT** to join the session !
 When the :ref:`session-status` is **ONLINE** you are online and ready to start co-creating.
 
+.. note::
+   
+   If you want to have **administrator rights** (see :ref:`admin` ) on the server, just enter the password created by the host in the **Connect as admin** section
+
+    .. figure:: img/server_preset_image_admin.png
+        :align: center
+        :width: 200px
+
+        Admin password
+
+---------------
+Server presets
+---------------
+
+You can save your server presets in a preset list below the 'JOIN' and 'HOST' buttons. This allows you to quickly access and manage your servers.
+
+To add a server, first enter the ip address and the port (plus the password if needed), then click on the + icon to add a name to your preset. To remove a server from the list, select it and click on the - icon.
+
+.. figure:: img/server_preset_exemple.gif
+    :align: center
+    :width: 200px
+
+.. warning:: Be careful, if you don't rename your new preset, or if it has the same name as an existing preset, the old preset will be overwritten.
+
+    .. figure:: img/server_preset_image_report.png
+        :align: center
+        :width: 200px
+
+.. note:: 
+   
+   Two presets are already present when the addon is launched:
+
+  - The 'localhost' preset, to host and join a local session quickly
+  - The 'public session' preset, to join the public sessions of the multi-user server (official discord to participate : https://discord.gg/aBPvGws)
+
+.. note::
+   Additional configuration settings can be found in the :ref:`advanced` section.
+
 .. note::
    When starting a **dedicated server**, the session status screen will take you to the **LOBBY**, awaiting an admin to start the session.
 
@@ -374,15 +407,6 @@ Network
 
    Advanced network settings
 
-**IPC Port** is the port used for Inter Process Communication. This port is used 
-by the multi-user subprocesses to communicate with each other. If different instances
-of multi-user are using the same IPC port, this will create conflict !
-
-.. note::
-   You only need to modify this setting if you need to launch multiple clients from the same
-   computer (or if you try to host and join from the same computer). To resolve this, you simply need to enter a different
-   **IPC port** for each blender instance.
-
 **Timeout (in milliseconds)** is the maximum ping authorized before auto-disconnecting.
 You should only increase it if you have a bad connection.
 

docs/tutorials/hosting_guide.rst

@@ -76,7 +76,7 @@ Hit 'Create a network'(see image below) and go to the network settings.
     :align: center
     :width: 450px
 
-    Network page
+    Admin password
 
 Now that the network is created, let's configure it.
 

multi_user/__init__.py

@@ -19,7 +19,7 @@
 bl_info = {
     "name": "Multi-User",
     "author": "Swann Martinez",
-    "version": (0, 3, 0),
+    "version": (0, 4, 0),
     "description": "Enable real-time collaborative workflow inside blender",
     "blender": (2, 82, 0),
     "location": "3D View > Sidebar > Multi-User tab",
@@ -44,7 +44,7 @@ from . import environment
 
 
 DEPENDENCIES = {
-    ("replication", '0.1.26'),
+    ("replication", '0.1.36'),
 }
 
 

multi_user/addon_updater_ops.py

@@ -122,13 +122,13 @@ class addon_updater_install_popup(bpy.types.Operator):
 	# if true, run clean install - ie remove all files before adding new
 	# equivalent to deleting the addon and reinstalling, except the
 	# updater folder/backup folder remains
-	clean_install = bpy.props.BoolProperty(
+	clean_install: bpy.props.BoolProperty(
 		name="Clean install",
 		description="If enabled, completely clear the addon's folder before installing new update, creating a fresh install",
 		default=False,
 		options={'HIDDEN'}
 	)
-	ignore_enum = bpy.props.EnumProperty(
+	ignore_enum: bpy.props.EnumProperty(
 		name="Process update",
 		description="Decide to install, ignore, or defer new addon update",
 		items=[
@@ -264,7 +264,7 @@ class addon_updater_update_now(bpy.types.Operator):
 	# if true, run clean install - ie remove all files before adding new
 	# equivalent to deleting the addon and reinstalling, except the
 	# updater folder/backup folder remains
-	clean_install = bpy.props.BoolProperty(
+	clean_install: bpy.props.BoolProperty(
 		name="Clean install",
 		description="If enabled, completely clear the addon's folder before installing new update, creating a fresh install",
 		default=False,
@@ -332,7 +332,7 @@ class addon_updater_update_target(bpy.types.Operator):
 			i+=1
 		return ret
 
-	target = bpy.props.EnumProperty(
+	target: bpy.props.EnumProperty(
 		name="Target version to install",
 		description="Select the version to install",
 		items=target_version
@@ -341,7 +341,7 @@ class addon_updater_update_target(bpy.types.Operator):
 	# if true, run clean install - ie remove all files before adding new
 	# equivalent to deleting the addon and reinstalling, except the
 	# updater folder/backup folder remains
-	clean_install = bpy.props.BoolProperty(
+	clean_install: bpy.props.BoolProperty(
 		name="Clean install",
 		description="If enabled, completely clear the addon's folder before installing new update, creating a fresh install",
 		default=False,
@@ -399,7 +399,7 @@ class addon_updater_install_manually(bpy.types.Operator):
 	bl_description = "Proceed to manually install update"
 	bl_options = {'REGISTER', 'INTERNAL'}
 
-	error = bpy.props.StringProperty(
+	error: bpy.props.StringProperty(
 		name="Error Occurred",
 		default="",
 		options={'HIDDEN'}
@@ -461,7 +461,7 @@ class addon_updater_updated_successful(bpy.types.Operator):
 	bl_description = "Update installation response"
 	bl_options = {'REGISTER', 'INTERNAL', 'UNDO'}
 
-	error = bpy.props.StringProperty(
+	error: bpy.props.StringProperty(
 		name="Error Occurred",
 		default="",
 		options={'HIDDEN'}

multi_user/bl_types/__init__.py

@@ -42,13 +42,14 @@ __all__ = [
     # 'bl_sequencer',
     'bl_node_group',
     'bl_texture',
+    "bl_particle",
 ]  # Order here defines execution order
 
 if bpy.app.version[1] >= 91:
     __all__.append('bl_volume')
 
 from . import *
-from replication.data import ReplicatedDataFactory
+from replication.data import DataTranslationProtocol
 
 def types_to_register():
     return __all__

multi_user/bl_types/bl_action.py

@@ -25,7 +25,7 @@ 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
+from .bl_datablock import BlDatablock, has_action, has_driver, dump_driver, load_driver
 
 
 KEYFRAME = [
@@ -61,7 +61,6 @@ def dump_fcurve(fcurve: bpy.types.FCurve, use_numpy: bool = True) -> dict:
         points = fcurve.keyframe_points
         fcurve_data['keyframes_count'] = len(fcurve.keyframe_points)
         fcurve_data['keyframe_points'] = np_dump_collection(points, KEYFRAME)
-
     else:  # Legacy method
         dumper = Dumper()
         fcurve_data["keyframe_points"] = []
@@ -71,6 +70,18 @@ def dump_fcurve(fcurve: bpy.types.FCurve, use_numpy: bool = True) -> dict:
                 dumper.dump(k)
             )
 
+    if fcurve.modifiers:
+        dumper = Dumper()
+        dumper.exclude_filter = [
+            'is_valid',
+            'active'
+        ]
+        dumped_modifiers = []
+        for modfifier in fcurve.modifiers:
+            dumped_modifiers.append(dumper.dump(modfifier))
+
+        fcurve_data['modifiers'] = dumped_modifiers
+
     return fcurve_data
 
 
@@ -83,7 +94,7 @@ def load_fcurve(fcurve_data, fcurve):
         :type fcurve: bpy.types.FCurve
     """
     use_numpy = fcurve_data.get('use_numpy')
-
+    loader = Loader()
     keyframe_points = fcurve.keyframe_points
 
     # Remove all keyframe points
@@ -128,6 +139,64 @@ def load_fcurve(fcurve_data, fcurve):
 
             fcurve.update()
 
+    dumped_fcurve_modifiers = fcurve_data.get('modifiers', None)
+
+    if dumped_fcurve_modifiers:
+        # clear modifiers
+        for fmod in fcurve.modifiers:
+            fcurve.modifiers.remove(fmod)
+
+        # Load each modifiers in order
+        for modifier_data in dumped_fcurve_modifiers:
+            modifier = fcurve.modifiers.new(modifier_data['type'])
+
+            loader.load(modifier, modifier_data)
+    elif fcurve.modifiers:
+        for fmod in fcurve.modifiers:
+            fcurve.modifiers.remove(fmod)
+
+
+def dump_animation_data(datablock):
+    animation_data = {}
+    if has_action(datablock):
+            animation_data['action'] = datablock.animation_data.action.name
+    if has_driver(datablock):
+        animation_data['drivers'] = []
+        for driver in datablock.animation_data.drivers:
+            animation_data['drivers'].append(dump_driver(driver))
+
+    return animation_data
+
+
+def load_animation_data(animation_data, datablock):
+    # Load animation data
+    if animation_data:
+        if datablock.animation_data is None:
+            datablock.animation_data_create()
+
+        for d in datablock.animation_data.drivers:
+            datablock.animation_data.drivers.remove(d)
+
+        if 'drivers' in animation_data:
+            for driver in animation_data['drivers']:
+                load_driver(datablock, driver)
+
+        if 'action' in animation_data:
+            datablock.animation_data.action = bpy.data.actions[animation_data['action']]
+        elif datablock.animation_data.action:
+            datablock.animation_data.action = None
+
+    # Remove existing animation data if there is not more to load
+    elif hasattr(datablock, 'animation_data') and datablock.animation_data:
+        datablock.animation_data_clear()
+
+
+def resolve_animation_dependencies(datablock):
+    if has_action(datablock):
+        return [datablock.animation_data.action]
+    else:
+        return []
+
 
 class BlAction(BlDatablock):
     bl_id = "actions"

multi_user/bl_types/bl_camera.py

@@ -56,6 +56,11 @@ class BlCamera(BlDatablock):
                     target_img.image = bpy.data.images[img_id]
                     loader.load(target_img, img_data)
 
+                    img_user = img_data.get('image_user')
+                    if img_user:
+                        loader.load(target_img.image_user, img_user)
+
+
     def _dump_implementation(self, data, instance=None):
         assert(instance)
 
@@ -101,10 +106,19 @@ class BlCamera(BlDatablock):
             'scale',
             'use_flip_x',
             'use_flip_y',
-            'image'
+            'image_user',
+            'image',
+            'frame_duration',
+            'frame_start',
+            'frame_offset',
+            'use_cyclic',
+            'use_auto_refresh'
         ]
-        return dumper.dump(instance)
-    
+        data =  dumper.dump(instance)
+        for index, image in enumerate(instance.background_images):
+            if image.image_user:
+                data['background_images'][index]['image_user'] = dumper.dump(image.image_user)
+        return data
     def _resolve_deps_implementation(self):
         deps = []
         for background in self.instance.background_images:

multi_user/bl_types/bl_datablock.py

@@ -72,10 +72,10 @@ def load_driver(target_datablock, src_driver):
 
         for src_target in src_var_data['targets']:
             src_target_data = src_var_data['targets'][src_target]
-            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)
+            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
@@ -161,19 +161,17 @@ class BlDatablock(ReplicatedDatablock):
     def _dump(self, instance=None):
         dumper = Dumper()
         data = {}
+        animation_data = {}
         # Dump animation data
         if has_action(instance):
-            dumper = Dumper()
-            dumper.include_filter = ['action']
-            data['animation_data'] = dumper.dump(instance.animation_data)
-
+            animation_data['action'] = instance.animation_data.action.name
         if has_driver(instance):
-            dumped_drivers = {'animation_data': {'drivers': []}}
+            animation_data['drivers'] = []
             for driver in instance.animation_data.drivers:
-                dumped_drivers['animation_data']['drivers'].append(
-                    dump_driver(driver))
+                animation_data['drivers'].append(dump_driver(driver))
 
-            data.update(dumped_drivers)
+        if animation_data:
+            data['animation_data'] = animation_data
 
         if self.is_library:
             data.update(dumper.dump(instance))
@@ -200,6 +198,9 @@ class BlDatablock(ReplicatedDatablock):
 
             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()

multi_user/bl_types/bl_file.py

@@ -134,6 +134,8 @@ class BlFile(ReplicatedDatablock):
         if self.preferences.clear_memory_filecache:
             return False
         else:
+            if not self.instance:
+                return False
             memory_size = sys.getsizeof(self.data['file'])-33
             disk_size = self.instance.stat().st_size
             return memory_size != disk_size

multi_user/bl_types/bl_image.py

@@ -68,7 +68,10 @@ class BlImage(BlDatablock):
 
         target.source = 'FILE'
         target.filepath_raw = get_filepath(data['filename'])
-        target.colorspace_settings.name = data["colorspace_settings"]["name"]
+        color_space_name = data["colorspace_settings"]["name"]
+
+        if color_space_name:
+            target.colorspace_settings.name = color_space_name
 
     def _dump(self, instance=None):
         assert(instance)
@@ -83,6 +86,7 @@ class BlImage(BlDatablock):
         dumper.depth = 2
         dumper.include_filter = [
             "name",
+            # 'source',
             'size',
             'height',
             'alpha',

multi_user/bl_types/bl_material.py

@@ -27,7 +27,7 @@ from .dump_anything import Loader, Dumper
 from .bl_datablock import BlDatablock, get_datablock_from_uuid
 
 NODE_SOCKET_INDEX = re.compile('\[(\d*)\]')
-IGNORED_SOCKETS = ['GEOMETRY']
+IGNORED_SOCKETS = ['GEOMETRY', 'SHADER', 'CUSTOM']
 
 def load_node(node_data: dict, node_tree: bpy.types.ShaderNodeTree):
     """ Load a node into a node_tree from a dict
@@ -53,31 +53,136 @@ def load_node(node_data: dict, node_tree: bpy.types.ShaderNodeTree):
     inputs_data = node_data.get('inputs')
     if inputs_data:
         inputs = [i for i in target_node.inputs if i.type not in IGNORED_SOCKETS]
-
-        for idx, inpt in enumerate(inputs_data):
-            if idx < len(inputs) and hasattr(inputs[idx], "default_value"):
+        for idx, inpt in enumerate(inputs):
+            if idx < len(inputs_data) and hasattr(inpt, "default_value"):
+                loaded_input = inputs_data[idx]
                 try:
-                    inputs[idx].default_value = inpt
+                    if inpt.type in ['OBJECT', 'COLLECTION']:
+                        inpt.default_value = get_datablock_from_uuid(loaded_input, None)
+                    else:
+                        inpt.default_value = loaded_input
                 except Exception as e:
-                    logging.warning(f"Node {target_node.name} input {inputs[idx].name} parameter not supported, skipping ({e})")
+                    logging.warning(f"Node {target_node.name} input {inpt.name} parameter not supported, skipping ({e})")
             else:
                 logging.warning(f"Node {target_node.name} input length mismatch.")
 
     outputs_data = node_data.get('outputs')
     if outputs_data:
         outputs = [o for o in target_node.outputs if o.type not in IGNORED_SOCKETS]
-        for idx, output in enumerate(outputs_data):
-            if idx < len(outputs) and hasattr(outputs[idx], "default_value"):
+        for idx, output in enumerate(outputs):
+            if idx < len(outputs_data) and hasattr(output, "default_value"):
+                loaded_output = outputs_data[idx]
                 try:
-                    outputs[idx].default_value = output
+                    if output.type in ['OBJECT', 'COLLECTION']:
+                        output.default_value = get_datablock_from_uuid(loaded_output, None)
+                    else:
+                        output.default_value = loaded_output
                 except Exception as e:
                     logging.warning(
-                        f"Node {target_node.name} output {outputs[idx].name} parameter not supported, skipping ({e})")
+                        f"Node {target_node.name} output {output.name} parameter not supported, skipping ({e})")
             else:
                 logging.warning(
                     f"Node {target_node.name} output length mismatch.")
 
 
+def dump_node(node: bpy.types.ShaderNode) -> dict:
+    """ Dump a single node to a dict
+
+        :arg node: target node
+        :type node: bpy.types.Node
+        :retrun: dict
+    """
+
+    node_dumper = Dumper()
+    node_dumper.depth = 1
+    node_dumper.exclude_filter = [
+        "dimensions",
+        "show_expanded",
+        "name_full",
+        "select",
+        "bl_label",
+        "bl_height_min",
+        "bl_height_max",
+        "bl_height_default",
+        "bl_width_min",
+        "bl_width_max",
+        "type",
+        "bl_icon",
+        "bl_width_default",
+        "bl_static_type",
+        "show_tetxure",
+        "is_active_output",
+        "hide",
+        "show_options",
+        "show_preview",
+        "show_texture",
+        "outputs",
+        "width_hidden",
+        "image"
+    ]
+
+    dumped_node = node_dumper.dump(node)
+
+    if node.parent:
+        dumped_node['parent'] = node.parent.name
+
+    dump_io_needed = (node.type not in ['REROUTE', 'OUTPUT_MATERIAL'])
+
+    if dump_io_needed:
+        io_dumper = Dumper()
+        io_dumper.depth = 2
+        io_dumper.include_filter = ["default_value"]
+
+        if hasattr(node, 'inputs'):
+            dumped_node['inputs'] = []
+            inputs = [i for i in node.inputs if i.type not in IGNORED_SOCKETS]
+            for idx, inpt in enumerate(inputs):
+                if hasattr(inpt, 'default_value'):
+                    if isinstance(inpt.default_value, bpy.types.ID):
+                        dumped_input = inpt.default_value.uuid
+                    else:
+                        dumped_input = io_dumper.dump(inpt.default_value)
+
+                    dumped_node['inputs'].append(dumped_input)
+
+        if hasattr(node, 'outputs'):
+            dumped_node['outputs'] = []
+            for idx, output in enumerate(node.outputs):
+                if output.type not in IGNORED_SOCKETS:
+                    if hasattr(output, 'default_value'):
+                        dumped_node['outputs'].append(
+                            io_dumper.dump(output.default_value))
+
+    if hasattr(node, 'color_ramp'):
+        ramp_dumper = Dumper()
+        ramp_dumper.depth = 4
+        ramp_dumper.include_filter = [
+            'elements',
+            'alpha',
+            'color',
+            'position',
+            'interpolation',
+            'hue_interpolation',
+            'color_mode'
+        ]
+        dumped_node['color_ramp'] = ramp_dumper.dump(node.color_ramp)
+    if hasattr(node, 'mapping'):
+        curve_dumper = Dumper()
+        curve_dumper.depth = 5
+        curve_dumper.include_filter = [
+            'curves',
+            'points',
+            'location'
+        ]
+        dumped_node['mapping'] = curve_dumper.dump(node.mapping)
+    if hasattr(node, 'image') and getattr(node, 'image'):
+        dumped_node['image_uuid'] = node.image.uuid
+    if hasattr(node, 'node_tree') and getattr(node, 'node_tree'):
+        dumped_node['node_tree_uuid'] = node.node_tree.uuid
+    return dumped_node
+
+
+
 def load_links(links_data, node_tree):
     """ Load node_tree links from a list
 
@@ -120,93 +225,6 @@ def dump_links(links):
     return links_data
 
 
-def dump_node(node: bpy.types.ShaderNode) -> dict:
-    """ Dump a single node to a dict
-
-        :arg node: target node
-        :type node: bpy.types.Node
-        :retrun: dict
-    """
-
-    node_dumper = Dumper()
-    node_dumper.depth = 1
-    node_dumper.exclude_filter = [
-        "dimensions",
-        "show_expanded",
-        "name_full",
-        "select",
-        "bl_label",
-        "bl_height_min",
-        "bl_height_max",
-        "bl_height_default",
-        "bl_width_min",
-        "bl_width_max",
-        "type",
-        "bl_icon",
-        "bl_width_default",
-        "bl_static_type",
-        "show_tetxure",
-        "is_active_output",
-        "hide",
-        "show_options",
-        "show_preview",
-        "show_texture",
-        "outputs",
-        "width_hidden",
-        "image"
-    ]
-
-    dumped_node = node_dumper.dump(node)
-
-    dump_io_needed = (node.type not in ['REROUTE', 'OUTPUT_MATERIAL'])
-
-    if dump_io_needed:
-        io_dumper = Dumper()
-        io_dumper.depth = 2
-        io_dumper.include_filter = ["default_value"]
-
-        if hasattr(node, 'inputs'):
-            dumped_node['inputs'] = []
-            for idx, inpt in enumerate(node.inputs):
-                if hasattr(inpt, 'default_value'):
-                    dumped_node['inputs'].append(
-                        io_dumper.dump(inpt.default_value))
-
-        if hasattr(node, 'outputs'):
-            dumped_node['outputs'] = []
-            for idx, output in enumerate(node.outputs):
-                if hasattr(output, 'default_value'):
-                    dumped_node['outputs'].append(
-                        io_dumper.dump(output.default_value))
-
-    if hasattr(node, 'color_ramp'):
-        ramp_dumper = Dumper()
-        ramp_dumper.depth = 4
-        ramp_dumper.include_filter = [
-            'elements',
-            'alpha',
-            'color',
-            'position',
-            'interpolation',
-            'color_mode'
-        ]
-        dumped_node['color_ramp'] = ramp_dumper.dump(node.color_ramp)
-    if hasattr(node, 'mapping'):
-        curve_dumper = Dumper()
-        curve_dumper.depth = 5
-        curve_dumper.include_filter = [
-            'curves',
-            'points',
-            'location'
-        ]
-        dumped_node['mapping'] = curve_dumper.dump(node.mapping)
-    if hasattr(node, 'image') and getattr(node, 'image'):
-        dumped_node['image_uuid'] = node.image.uuid
-    if hasattr(node, 'node_tree') and getattr(node, 'node_tree'):
-        dumped_node['node_tree_uuid'] = node.node_tree.uuid
-    return dumped_node
-
-
 def dump_node_tree(node_tree: bpy.types.ShaderNodeTree) -> dict:
     """ Dump a shader node_tree to a dict including links and nodes
 
@@ -263,7 +281,7 @@ def load_node_tree_sockets(sockets: bpy.types.Collection,
     """
     # Check for removed sockets
     for socket in sockets:
-        if not [s for s in sockets_data if socket['uuid'] == s[2]]:
+        if not [s for s in sockets_data if 'uuid' in socket and socket['uuid'] == s[2]]:
             sockets.remove(socket)
 
     # Check for new sockets
@@ -303,6 +321,14 @@ def load_node_tree(node_tree_data: dict, target_node_tree: bpy.types.ShaderNodeT
     for node in node_tree_data["nodes"]:
         load_node(node_tree_data["nodes"][node], target_node_tree)
 
+    for node_id, node_data in node_tree_data["nodes"].items():
+        target_node = target_node_tree.nodes.get(node_id, None)
+        if target_node is None:
+            continue
+        elif 'parent' in node_data:
+            target_node.parent =  target_node_tree.nodes[node_data['parent']]
+        else:
+            target_node.parent = None
     # TODO: load only required nodes links
     # Load nodes links
     target_node_tree.links.clear()
@@ -317,6 +343,8 @@ def get_node_tree_dependencies(node_tree: bpy.types.NodeTree) -> list:
     def has_node_group(node): return (
         hasattr(node, 'node_tree') and node.node_tree)
 
+    def has_texture(node): return (
+        node.type in ['ATTRIBUTE_SAMPLE_TEXTURE','TEXTURE']  and node.texture)
     deps = []
 
     for node in node_tree.nodes:
@@ -324,6 +352,8 @@ def get_node_tree_dependencies(node_tree: bpy.types.NodeTree) -> list:
             deps.append(node.image)
         elif has_node_group(node):
             deps.append(node.node_tree)
+        elif has_texture(node):
+            deps.append(node.texture)
 
     return deps
 
@@ -354,10 +384,7 @@ def load_materials_slots(src_materials: list, dst_materials: bpy.types.bpy_prop_
         if mat_uuid is not None:
             mat_ref = get_datablock_from_uuid(mat_uuid, None)
         else:
-            mat_ref = bpy.data.materials.get(mat_name, None)
-
-        if mat_ref is None:
-            raise Exception(f"Material {mat_name} doesn't exist")
+            mat_ref = bpy.data.materials[mat_name]
 
         dst_materials.append(mat_ref)
 

multi_user/bl_types/bl_object.py

@@ -23,6 +23,8 @@ import mathutils
 from replication.exception import ContextError
 
 from .bl_datablock import BlDatablock, get_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 (
     Dumper,
     Loader,
@@ -30,32 +32,103 @@ from .dump_anything import (
     np_dump_collection)
 
 
-
 SKIN_DATA = [
     'radius',
     'use_loose',
     'use_root'
 ]
 
-def get_input_index(e):
-    return int(re.findall('[0-9]+', e)[0])
+SHAPEKEY_BLOCK_ATTR = [
+    'mute',
+    'value',
+    'slider_min',
+    'slider_max',
+]
+if bpy.app.version[1] >= 93:
+    SUPPORTED_GEOMETRY_NODE_PARAMETERS = (int, str, float)
+else:
+    SUPPORTED_GEOMETRY_NODE_PARAMETERS = (int, str)
+    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:
+        if inpt.type in IGNORED_SOCKETS:
+            continue
+        else:
+            inputs.append(inpt)
+    return inputs
+    # return [inpt.identifer for inpt in node_group.inputs if  inpt.type not in IGNORED_SOCKETS]
 
 
+def dump_physics(target: bpy.types.Object)->dict:
+    """ 
+        Dump all physics settings from a given object excluding modifier 
+        related physics settings (such as softbody, cloth, dynapaint and fluid) 
+    """
+    dumper = Dumper()
+    dumper.depth = 1
+    physics_data = {}
+
+    # Collisions (collision)
+    if target.collision and target.collision.use:
+        physics_data['collision'] = dumper.dump(target.collision)
+
+    # Field (field)
+    if target.field and target.field.type != "NONE":
+        physics_data['field'] = dumper.dump(target.field)
+
+    # Rigid Body (rigid_body)
+    if target.rigid_body:
+        physics_data['rigid_body'] = dumper.dump(target.rigid_body)
+
+    # Rigid Body constraint (rigid_body_constraint)
+    if target.rigid_body_constraint:
+        physics_data['rigid_body_constraint'] = dumper.dump(target.rigid_body_constraint)
+
+    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) 
+    """
+    loader = Loader()
+
+    if 'collision' in dumped_settings:
+        loader.load(target.collision, dumped_settings['collision'])
+
+    if 'field' in dumped_settings:
+        loader.load(target.field, dumped_settings['field'])
+
+    if 'rigid_body' in dumped_settings:
+        if not target.rigid_body:
+            bpy.ops.rigidbody.object_add({"object": target})
+        loader.load(target.rigid_body, dumped_settings['rigid_body'])
+    elif target.rigid_body:
+        bpy.ops.rigidbody.object_remove({"object": target})
+
+    if 'rigid_body_constraint' in dumped_settings:
+        if not target.rigid_body_constraint:
+            bpy.ops.rigidbody.constraint_add({"object": target})
+        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
 
         :arg modifier: geometry node modifier to dump
         :type modifier: bpy.type.Modifier
     """
-    inputs_name = [p for p in dir(modifier) if "Input_" in p]
-    inputs_name.sort(key=get_input_index)
     dumped_inputs = []
-    for inputs_index, input_name in enumerate(inputs_name):
-        input_value = modifier[input_name]
+    for inpt in get_node_group_inputs(modifier.node_group):
+        input_value = modifier[inpt.identifier]
+
         dumped_input = None
         if isinstance(input_value, bpy.types.ID):
             dumped_input = input_value.uuid
-        elif type(input_value) in [int, str, float]:
+        elif isinstance(input_value, SUPPORTED_GEOMETRY_NODE_PARAMETERS):
             dumped_input = input_value
         elif hasattr(input_value, 'to_list'):
             dumped_input = input_value.to_list()
@@ -73,18 +146,16 @@ def load_modifier_geometry_node_inputs(dumped_modifier: dict, target_modifier: b
         :type target_modifier: bpy.type.Modifier
     """
 
-    inputs_name = [p for p in dir(target_modifier) if "Input_" in p]
-    inputs_name.sort(key=get_input_index)
-    for input_index, input_name in enumerate(inputs_name):
+    for input_index, inpt in enumerate(get_node_group_inputs(target_modifier.node_group)):
         dumped_value = dumped_modifier['inputs'][input_index]
-        input_value = target_modifier[input_name]
-        if type(input_value) in [int, str, float]:
-            input_value = dumped_value
+        input_value = target_modifier[inpt.identifier]
+        if isinstance(input_value, SUPPORTED_GEOMETRY_NODE_PARAMETERS):
+            target_modifier[inpt.identifier] = dumped_value
         elif hasattr(input_value, 'to_list'):
             for index in range(len(input_value)):
                 input_value[index] = dumped_value[index]
-        else:
-            target_modifier[input_name] = get_datablock_from_uuid(
+        elif inpt.type in ['COLLECTION', 'OBJECT']:
+            target_modifier[inpt.identifier] = get_datablock_from_uuid(
                 dumped_value, None)
 
 
@@ -161,19 +232,24 @@ def find_textures_dependencies(modifiers: bpy.types.bpy_prop_collection) -> [bpy
     return textures
 
 
-def find_geometry_nodes(modifiers: bpy.types.bpy_prop_collection) -> [bpy.types.NodeTree]:
-    """ Find geometry nodes group from a modifier stack
+def find_geometry_nodes_dependencies(modifiers: bpy.types.bpy_prop_collection) -> [bpy.types.NodeTree]:
+    """ Find geometry nodes dependencies from a modifier stack
 
         :arg modifiers: modifiers collection
         :type modifiers: bpy.types.bpy_prop_collection
         :return: list of bpy.types.NodeTree pointers
     """
-    nodes_groups = []
-    for item in modifiers:
-        if item.type == 'NODES' and item.node_group:
-            nodes_groups.append(item.node_group)
+    dependencies = []
+    for mod in modifiers:
+        if mod.type == 'NODES' and mod.node_group:
+            dependencies.append(mod.node_group)
+            # for inpt in get_node_group_inputs(mod.node_group):
+            #     parameter = mod.get(inpt.identifier)
+            #     if parameter and isinstance(parameter, bpy.types.ID):
+            #         dependencies.append(parameter)
+
+    return dependencies
 
-    return nodes_groups
 
 def dump_vertex_groups(src_object: bpy.types.Object) -> dict:
     """ Dump object's vertex groups
@@ -219,6 +295,147 @@ 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
+
+        :param dumped_key: target key datablock
+        :type dumped_key: bpy.types.Key
+        :return: dict
+    """
+
+    dumped_key_blocks = []
+    dumper = Dumper()
+    dumper.include_filter = [
+        'name',
+        'mute',
+        'value',
+        'slider_min',
+        'slider_max',
+    ]
+    for key in target_key.key_blocks:
+        dumped_key_block = dumper.dump(key)
+        dumped_key_block['data'] = np_dump_collection(key.data, ['co'])
+        dumped_key_block['relative_key'] = key.relative_key.name
+        dumped_key_blocks.append(dumped_key_block)
+
+    return {
+        'reference_key': target_key.reference_key.name,
+        'use_relative': target_key.use_relative,
+        'key_blocks': dumped_key_blocks,
+        'animation_data': dump_animation_data(target_key)
+    }
+
+
+def load_shape_keys(dumped_shape_keys: dict, target_object: bpy.types.Object):
+    """ Load the target shape_keys datablock to a dict using numpy
+
+        :param dumped_key: src key data
+        :type dumped_key: bpy.types.Key
+        :param target_object: object used to load the shapekeys data onto
+        :type target_object: bpy.types.Object
+    """
+    loader = Loader()
+    # Remove existing ones
+    target_object.shape_key_clear()
+
+    # Create keys and load vertices coords
+    dumped_key_blocks = dumped_shape_keys.get('key_blocks')
+    for dumped_key_block in dumped_key_blocks:
+        key_block = target_object.shape_key_add(name=dumped_key_block['name'])
+
+        loader.load(key_block, dumped_key_block)
+        np_load_collection(dumped_key_block['data'], key_block.data, ['co'])
+
+    # Load relative key after all
+    for dumped_key_block in dumped_key_blocks:
+        relative_key_name = dumped_key_block.get('relative_key')
+        key_name = dumped_key_block.get('name')
+
+        target_keyblock = target_object.data.shape_keys.key_blocks[key_name]
+        relative_key = target_object.data.shape_keys.key_blocks[relative_key_name]
+
+        target_keyblock.relative_key = relative_key
+
+    # Shape keys animation data
+    anim_data = dumped_shape_keys.get('animation_data')
+
+    if anim_data:
+        load_animation_data(anim_data, target_object.data.shape_keys)
+
+
+def dump_modifiers(modifiers: bpy.types.bpy_prop_collection)->dict:
+    """ Dump all modifiers of a modifier collection into a dict
+
+        :param modifiers: modifiers
+        :type modifiers: bpy.types.bpy_prop_collection
+        :return: dict
+    """
+    dumped_modifiers = {}
+    dumper = Dumper()
+    dumper.depth = 1
+    dumper.exclude_filter = ['is_active']
+
+    for index, modifier in enumerate(modifiers):
+        dumped_modifier = dumper.dump(modifier)
+        # hack to dump geometry nodes inputs
+        if modifier.type == 'NODES':
+            dumped_inputs = dump_modifier_geometry_node_inputs(
+                modifier)
+            dumped_modifier['inputs'] = dumped_inputs
+
+        elif modifier.type == 'PARTICLE_SYSTEM':
+            dumper.exclude_filter = [
+                "is_edited",
+                "is_editable",
+                "is_global_hair"
+            ]
+            dumped_modifier['particle_system'] = dumper.dump(modifier.particle_system)
+            dumped_modifier['particle_system']['settings_uuid'] = modifier.particle_system.settings.uuid
+
+        elif modifier.type in ['SOFT_BODY', 'CLOTH']:
+            dumped_modifier['settings'] = dumper.dump(modifier.settings)
+        elif modifier.type == 'UV_PROJECT':
+            dumped_modifier['projectors'] =[p.object.name for p in modifier.projectors if p and p.object]
+
+        dumped_modifiers[modifier.name] = dumped_modifier
+    return dumped_modifiers
+
+
+def load_modifiers_custom_data(dumped_modifiers: dict, modifiers: bpy.types.bpy_prop_collection):
+    """ Load modifiers custom data not managed by the dump_anything loader
+
+        :param dumped_modifiers: modifiers to load
+        :type dumped_modifiers: dict
+        :param modifiers: target modifiers collection 
+        :type modifiers: bpy.types.bpy_prop_collection
+    """
+    loader = Loader()
+
+    for modifier in modifiers:
+        dumped_modifier = dumped_modifiers.get(modifier.name)
+        if modifier.type == 'NODES':
+            load_modifier_geometry_node_inputs(dumped_modifier, modifier)
+        elif modifier.type == 'PARTICLE_SYSTEM':
+            default =  modifier.particle_system.settings
+            dumped_particles = dumped_modifier['particle_system']
+            loader.load(modifier.particle_system, dumped_particles)
+
+            settings = get_datablock_from_uuid(dumped_particles['settings_uuid'], None)
+            if settings:
+                modifier.particle_system.settings = settings
+                # Hack to remove the default generated particle settings
+                if not default.uuid:
+                    bpy.data.particles.remove(default)
+        elif modifier.type in ['SOFT_BODY', 'CLOTH']:
+            loader.load(modifier.settings, dumped_modifier['settings'])
+        elif modifier.type == 'UV_PROJECT':
+            for projector_index, projector_object in enumerate(dumped_modifier['projectors']):
+                target_object = bpy.data.objects.get(projector_object)
+                if target_object:
+                    modifier.projectors[projector_index].object = target_object
+                else:
+                    logging.error("Could't load projector target object {projector_object}")
+            
 class BlObject(BlDatablock):
     bl_id = "objects"
     bl_class = bpy.types.Object
@@ -242,13 +459,14 @@ class BlObject(BlDatablock):
         object_name = data.get("name")
         data_uuid = data.get("data_uuid")
         data_id = data.get("data")
+        data_type = data.get("type")
 
         object_data = get_datablock_from_uuid(
             data_uuid,
             find_data_from_name(data_id),
             ignore=['images'])  # TODO: use resolve_from_id
 
-        if object_data is None and data_uuid:
+        if data_type != 'EMPTY' and object_data is None:
             raise Exception(f"Fail to load object {data['name']}({self.uuid})")
 
         instance = bpy.data.objects.new(object_name, object_data)
@@ -274,31 +492,27 @@ class BlObject(BlDatablock):
         object_data = target.data
 
         # SHAPE KEYS
-        if 'shape_keys' in data:
-            target.shape_key_clear()
-
-            # Create keys and load vertices coords
-            for key_block in data['shape_keys']['key_blocks']:
-                key_data = data['shape_keys']['key_blocks'][key_block]
-                target.shape_key_add(name=key_block)
-
-                loader.load(
-                    target.data.shape_keys.key_blocks[key_block], key_data)
-                for vert in key_data['data']:
-                    target.data.shape_keys.key_blocks[key_block].data[vert].co = key_data['data'][vert]['co']
-
-            # Load relative key after all
-            for key_block in data['shape_keys']['key_blocks']:
-                reference = data['shape_keys']['key_blocks'][key_block]['relative_key']
-
-                target.data.shape_keys.key_blocks[key_block].relative_key = target.data.shape_keys.key_blocks[reference]
+        shape_keys = data.get('shape_keys')
+        if shape_keys:
+            load_shape_keys(shape_keys, target)
 
         # Load transformation data
         loader.load(target, data)
 
+        #  Object display fields
         if 'display' in data:
             loader.load(target.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:
+                target.parent = parent
+        elif target.parent:
+            target.parent = None
+
         # Pose
         if 'pose' in data:
             if not target.pose:
@@ -343,14 +557,22 @@ class BlObject(BlDatablock):
                     SKIN_DATA)
 
         if hasattr(target, 'cycles_visibility') \
-            and 'cycles_visibility' in data:
+                and 'cycles_visibility' in data:
             loader.load(target.cycles_visibility, data['cycles_visibility'])
 
-        # TODO: handle geometry nodes input from dump_anything
         if hasattr(target, 'modifiers'):
-            nodes_modifiers = [mod for mod in target.modifiers if mod.type == 'NODES']
-            for modifier in nodes_modifiers:
-                load_modifier_geometry_node_inputs(data['modifiers'][modifier.name], modifier)
+            load_modifiers_custom_data(data['modifiers'], target.modifiers)
+
+        # PHYSICS
+        load_physics(data, target)
+
+        transform = data.get('transforms', None)
+        if transform:
+            target.matrix_parent_inverse = mathutils.Matrix(
+                transform['matrix_parent_inverse'])
+            target.matrix_basis = mathutils.Matrix(transform['matrix_basis'])
+            target.matrix_local = mathutils.Matrix(transform['matrix_local'])
+
 
     def _dump_implementation(self, data, instance=None):
         assert(instance)
@@ -366,7 +588,6 @@ class BlObject(BlDatablock):
         dumper.include_filter = [
             "name",
             "rotation_mode",
-            "parent",
             "data",
             "library",
             "empty_display_type",
@@ -381,8 +602,6 @@ class BlObject(BlDatablock):
             "color",
             "instance_collection",
             "instance_type",
-            "location",
-            "scale",
             'lock_location',
             'lock_rotation',
             'lock_scale',
@@ -396,12 +615,16 @@ class BlObject(BlDatablock):
             'show_all_edges',
             'show_texture_space',
             'show_in_front',
-            'type',
-            'rotation_quaternion' if instance.rotation_mode == 'QUATERNION' else 'rotation_euler',
+            'type'
         ]
 
         data = dumper.dump(instance)
 
+        dumper.include_filter = [
+            'matrix_parent_inverse',
+            'matrix_local',
+            'matrix_basis']
+        data['transforms'] = dumper.dump(instance)
         dumper.include_filter = [
             'show_shadows',
         ]
@@ -411,19 +634,15 @@ class BlObject(BlDatablock):
         if self.is_library:
             return data
 
+        # PARENTING
+        if instance.parent:
+            data['parent_uid'] = (instance.parent.uuid, instance.parent.name)
+
         # MODIFIERS
+        modifiers = getattr(instance, 'modifiers', None)
         if hasattr(instance, 'modifiers'):
-            data["modifiers"] = {}
-            modifiers = getattr(instance, 'modifiers', None)
-            if modifiers:
-                dumper.include_filter = None
-                dumper.depth = 1
-                for index, modifier in enumerate(modifiers):
-                    data["modifiers"][modifier.name] = dumper.dump(modifier)
-                    # hack to dump geometry nodes inputs
-                    if modifier.type == 'NODES':
-                        dumped_inputs = dump_modifier_geometry_node_inputs(modifier)
-                        data["modifiers"][modifier.name]['inputs'] = dumped_inputs
+            data['modifiers'] = dump_modifiers(modifiers)
+
         gp_modifiers = getattr(instance, 'grease_pencil_modifiers', None)
 
         if gp_modifiers:
@@ -445,6 +664,7 @@ class BlObject(BlDatablock):
                         'location']
                     gp_mod_data['curve'] = curve_dumper.dump(modifier.curve)
 
+
         # CONSTRAINTS
         if hasattr(instance, 'constraints'):
             dumper.include_filter = None
@@ -489,7 +709,6 @@ class BlObject(BlDatablock):
                 bone_groups[group.name] = dumper.dump(group)
             data['pose']['bone_groups'] = bone_groups
 
-
         # VERTEx GROUP
         if len(instance.vertex_groups) > 0:
             data['vertex_groups'] = dump_vertex_groups(instance)
@@ -497,36 +716,14 @@ class BlObject(BlDatablock):
         #  SHAPE KEYS
         object_data = instance.data
         if hasattr(object_data, 'shape_keys') and object_data.shape_keys:
-            dumper = Dumper()
-            dumper.depth = 2
-            dumper.include_filter = [
-                'reference_key',
-                'use_relative'
-            ]
-            data['shape_keys'] = dumper.dump(object_data.shape_keys)
-            data['shape_keys']['reference_key'] = object_data.shape_keys.reference_key.name
-            key_blocks = {}
-            for key in object_data.shape_keys.key_blocks:
-                dumper.depth = 3
-                dumper.include_filter = [
-                    'name',
-                    'data',
-                    'mute',
-                    'value',
-                    'slider_min',
-                    'slider_max',
-                    'data',
-                    'co'
-                ]
-                key_blocks[key.name] = dumper.dump(key)
-                key_blocks[key.name]['relative_key'] = key.relative_key.name
-            data['shape_keys']['key_blocks'] = key_blocks
+            data['shape_keys'] = dump_shape_keys(object_data.shape_keys)
 
         #  SKIN VERTICES
         if hasattr(object_data, 'skin_vertices') and object_data.skin_vertices:
             skin_vertices = list()
             for skin_data in object_data.skin_vertices:
-                skin_vertices.append(np_dump_collection(skin_data.data, SKIN_DATA))
+                skin_vertices.append(
+                    np_dump_collection(skin_data.data, SKIN_DATA))
             data['skin_vertices'] = skin_vertices
 
         # CYCLE SETTINGS
@@ -541,6 +738,9 @@ class BlObject(BlDatablock):
             ]
             data['cycles_visibility'] = dumper.dump(instance.cycles_visibility)
 
+        # PHYSICS
+        data.update(dump_physics(instance))
+
         return data
 
     def _resolve_deps_implementation(self):
@@ -549,18 +749,25 @@ class BlObject(BlDatablock):
         # Avoid Empty case
         if self.instance.data:
             deps.append(self.instance.data)
-        if self.instance.parent :
-            deps.append(self.instance.parent)
+
+        # Particle systems
+        for particle_slot in self.instance.particle_systems:
+            deps.append(particle_slot.settings)
 
         if self.is_library:
             deps.append(self.instance.library)
 
+        if self.instance.parent:
+            deps.append(self.instance.parent)
+
         if self.instance.instance_type == 'COLLECTION':
             # TODO: uuid based
             deps.append(self.instance.instance_collection)
 
         if self.instance.modifiers:
             deps.extend(find_textures_dependencies(self.instance.modifiers))
-            deps.extend(find_geometry_nodes(self.instance.modifiers))
+            deps.extend(find_geometry_nodes_dependencies(self.instance.modifiers))
 
+        if hasattr(self.instance.data, 'shape_keys') and self.instance.data.shape_keys:
+            deps.extend(resolve_animation_dependencies(self.instance.data.shape_keys))
         return deps

multi_user/bl_types/bl_particle.py

@@ -0,0 +1,90 @@
+import bpy
+import mathutils
+
+from . import dump_anything
+from .bl_datablock import BlDatablock, get_datablock_from_uuid
+
+
+def dump_textures_slots(texture_slots: bpy.types.bpy_prop_collection) -> list:
+    """ Dump every texture slot collection as the form:
+        [(index, slot_texture_uuid, slot_texture_name), (), ...]
+    """
+    dumped_slots = []
+    for index, slot in enumerate(texture_slots):
+        if slot and slot.texture:
+            dumped_slots.append((index, slot.texture.uuid, slot.texture.name))
+
+    return dumped_slots
+
+
+def load_texture_slots(dumped_slots: list, target_slots: bpy.types.bpy_prop_collection):
+    """
+    """
+    for index, slot in enumerate(target_slots):
+        if slot:
+            target_slots.clear(index)
+
+    for index, slot_uuid, slot_name in dumped_slots:
+        target_slots.create(index).texture = get_datablock_from_uuid(
+            slot_uuid, slot_name
+        )
+
+IGNORED_ATTR = [
+    "is_embedded_data",
+    "is_evaluated",
+    "is_fluid",
+    "is_library_indirect",
+    "users"
+]
+
+class BlParticle(BlDatablock):
+    bl_id = "particles"
+    bl_class = bpy.types.ParticleSettings
+    bl_icon = "PARTICLES"
+    bl_check_common = False
+    bl_reload_parent = False
+
+    def _construct(self, data):
+        instance = bpy.data.particles.new(data["name"])
+        instance.uuid = self.uuid
+        return instance
+
+    def _load_implementation(self, data, target):
+        dump_anything.load(target, data)
+
+        dump_anything.load(target.effector_weights, data["effector_weights"])
+
+        # Force field
+        force_field_1 = data.get("force_field_1", None)
+        if force_field_1:
+            dump_anything.load(target.force_field_1, force_field_1)
+
+        force_field_2 = data.get("force_field_2", None)
+        if force_field_2:
+            dump_anything.load(target.force_field_2, force_field_2)
+
+        # Texture slots
+        load_texture_slots(data["texture_slots"], target.texture_slots)
+
+    def _dump_implementation(self, data, instance=None):
+        assert instance
+
+        dumper = dump_anything.Dumper()
+        dumper.depth = 1
+        dumper.exclude_filter = IGNORED_ATTR
+        data = dumper.dump(instance)
+
+        # Particle effectors
+        data["effector_weights"] = dumper.dump(instance.effector_weights)
+        if instance.force_field_1:
+            data["force_field_1"] = dumper.dump(instance.force_field_1)
+        if instance.force_field_2:
+            data["force_field_2"] = dumper.dump(instance.force_field_2)
+
+        # Texture slots
+        data["texture_slots"] = dump_textures_slots(instance.texture_slots)
+
+        return data
+
+    def _resolve_deps_implementation(self):
+        return [t.texture for t in self.instance.texture_slots if t and t.texture]

multi_user/bl_types/bl_scene.py

@@ -368,6 +368,8 @@ def load_sequence(sequence_data: dict, sequence_editor: bpy.types.SequenceEditor
 
 
 class BlScene(BlDatablock):
+    is_root = True
+
     bl_id = "scenes"
     bl_class = bpy.types.Scene
     bl_check_common = True

multi_user/bl_types/dump_anything.py

@@ -610,6 +610,8 @@ class Loader:
             instance.write(bpy.data.fonts.get(dump))
         elif isinstance(rna_property_type, T.Sound):
             instance.write(bpy.data.sounds.get(dump))
+        # elif isinstance(rna_property_type, T.ParticleSettings):
+        #     instance.write(bpy.data.particles.get(dump))
 
     def _load_matrix(self, matrix, dump):
         matrix.write(mathutils.Matrix(dump))

multi_user/operators.py

@@ -32,6 +32,9 @@ from operator import itemgetter
 from pathlib import Path
 from queue import Queue
 from time import gmtime, strftime
+import traceback
+
+from bpy.props import FloatProperty
 
 try:
     import _pickle as pickle
@@ -44,9 +47,11 @@ 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 ReplicatedDataFactory
-from replication.exception import NonAuthorizedOperationError, ContextError
+from replication.data import DataTranslationProtocol
+from replication.exception import ContextError, NonAuthorizedOperationError
 from replication.interface import session
+from replication.porcelain import add, apply
+from replication.repository import Repository
 
 from . import bl_types, environment, timers, ui, utils
 from .presence import SessionStatusWidget, renderer, view3d_find
@@ -80,8 +85,8 @@ def initialize_session():
 
     # Step 1: Constrect nodes
     logging.info("Constructing nodes")
-    for node in session._graph.list_ordered():
-        node_ref = session.get(uuid=node)
+    for node in session.repository.list_ordered():
+        node_ref = session.repository.get_node(node)
         if node_ref is None:
             logging.error(f"Can't construct node {node}")
         elif node_ref.state == FETCHED:
@@ -89,8 +94,8 @@ def initialize_session():
     
     # Step 2: Load nodes
     logging.info("Loading nodes")
-    for node in session._graph.list_ordered():
-        node_ref = session.get(uuid=node)
+    for node in session.repository.list_ordered():
+        node_ref = session.repository.get_node(node)
 
         if node_ref is None:
             logging.error(f"Can't load node {node}")
@@ -158,7 +163,7 @@ class SessionStartOperator(bpy.types.Operator):
         settings = utils.get_preferences()
         runtime_settings = context.window_manager.session
         users = bpy.data.window_managers['WinMan'].online_users
-        admin_pass = runtime_settings.password
+        admin_pass = settings.password
 
         users.clear()
         deleyables.clear()
@@ -186,7 +191,7 @@ class SessionStartOperator(bpy.types.Operator):
 
                 handler.setFormatter(formatter)
 
-        bpy_factory = ReplicatedDataFactory()
+        bpy_protocol = DataTranslationProtocol()
         supported_bl_types = []
 
         # init the factory with supported types
@@ -205,22 +210,17 @@ class SessionStartOperator(bpy.types.Operator):
 
             type_local_config = settings.supported_datablocks[type_impl_name]
 
-            bpy_factory.register_type(
+            bpy_protocol.register_type(
                 type_module_class.bl_class,
                 type_module_class,
                 check_common=type_module_class.bl_check_common)
 
-            deleyables.append(timers.ApplyTimer(timeout=settings.depsgraph_update_rate))
-
         if bpy.app.version[1] >= 91:
             python_binary_path = sys.executable
         else:
             python_binary_path = bpy.app.binary_path_python
 
-        session.configure(
-            factory=bpy_factory,
-            python_path=python_binary_path,
-            external_update_handling=True)
+        repo = Repository(data_protocol=bpy_protocol)
 
         # Host a session
         if self.host:
@@ -231,13 +231,14 @@ class SessionStartOperator(bpy.types.Operator):
             runtime_settings.internet_ip = environment.get_ip()
 
             try:
+                # Init repository
                 for scene in bpy.data.scenes:
-                    session.add(scene)
+                    add(repo, scene)
 
                 session.host(
+                    repository= repo,
                     id=settings.username,
                     port=settings.port,
-                    ipc_port=settings.ipc_port,
                     timeout=settings.connection_timeout,
                     password=admin_pass,
                     cache_directory=settings.cache_directory,
@@ -247,7 +248,6 @@ class SessionStartOperator(bpy.types.Operator):
             except Exception as e:
                 self.report({'ERROR'}, repr(e))
                 logging.error(f"Error: {e}")
-                import traceback
                 traceback.print_exc()
         # Join a session
         else:
@@ -258,10 +258,10 @@ class SessionStartOperator(bpy.types.Operator):
 
             try:
                 session.connect(
+                    repository= repo,
                     id=settings.username,
                     address=settings.ip,
                     port=settings.port,
-                    ipc_port=settings.ipc_port,
                     timeout=settings.connection_timeout,
                     password=admin_pass
                 )
@@ -272,6 +272,7 @@ class SessionStartOperator(bpy.types.Operator):
         # Background client updates service
         deleyables.append(timers.ClientUpdate())
         deleyables.append(timers.DynamicRightSelectTimer())
+        deleyables.append(timers.ApplyTimer(timeout=settings.depsgraph_update_rate))
         # deleyables.append(timers.PushTimer(
         #     queue=stagging,
         #     timeout=settings.depsgraph_update_rate
@@ -280,7 +281,9 @@ class SessionStartOperator(bpy.types.Operator):
         session_user_sync = timers.SessionUserSync()
         session_background_executor = timers.MainThreadExecutor(
             execution_queue=background_execution_queue)
+        session_listen = timers.SessionListenTimer(timeout=0.001)
 
+        session_listen.register()
         session_update.register()
         session_user_sync.register()
         session_background_executor.register()
@@ -288,7 +291,7 @@ class SessionStartOperator(bpy.types.Operator):
         deleyables.append(session_background_executor)
         deleyables.append(session_update)
         deleyables.append(session_user_sync)
-
+        deleyables.append(session_listen)
         
 
         self.report(
@@ -329,7 +332,7 @@ class SessionInitOperator(bpy.types.Operator):
             utils.clean_scene()
 
         for scene in bpy.data.scenes:
-            session.add(scene)
+            add(session.repository, scene)
 
         session.init()
 
@@ -351,7 +354,7 @@ class SessionStopOperator(bpy.types.Operator):
 
         if session:
             try:
-                session.disconnect()
+                session.disconnect(reason='user')
 
             except Exception as e:
                 self.report({'ERROR'}, repr(e))
@@ -600,17 +603,22 @@ class SessionApply(bpy.types.Operator):
     def execute(self, context):
         logging.debug(f"Running apply on {self.target}")
         try:
-            node_ref = session.get(uuid=self.target)
-            session.apply(self.target,
-                        force=True,
-                        force_dependencies=self.reset_dependencies)
+            node_ref = session.repository.get_node(self.target)
+            apply(session.repository,
+                  self.target,
+                  force=True,
+                  force_dependencies=self.reset_dependencies)
             if node_ref.bl_reload_parent:
-                for parent in session._graph.find_parents(self.target):
+                for parent in session.repository.get_parents(self.target):
                     logging.debug(f"Refresh parent {parent}")
-                    session.apply(parent, force=True)
+
+                    apply(session.repository,
+                          parent.uuid,
+                          force=True)
         except Exception as e:
             self.report({'ERROR'}, repr(e))
-            return {"CANCELED"}    
+            traceback.print_exc()
+            return {"CANCELLED"}    
 
         return {"FINISHED"}
 
@@ -650,15 +658,15 @@ class ApplyArmatureOperator(bpy.types.Operator):
             return {'CANCELLED'}
 
         if event.type == 'TIMER':
-            if session and session.state['STATE'] == STATE_ACTIVE:
+            if session and session.state == STATE_ACTIVE:
                 nodes = session.list(filter=bl_types.bl_armature.BlArmature)
 
                 for node in nodes:
-                    node_ref = session.get(uuid=node)
+                    node_ref = session.repository.get_node(node)
 
                     if node_ref.state == FETCHED:
                         try:
-                            session.apply(node)
+                            apply(session.repository, node)
                         except Exception as e:
                             logging.error("Fail to apply armature: {e}")
 
@@ -795,7 +803,7 @@ class SessionSaveBackupOperator(bpy.types.Operator, ExportHelper):
 
     @classmethod
     def poll(cls, context):
-        return session.state['STATE'] == STATE_ACTIVE
+        return session.state == STATE_ACTIVE
 
 class SessionStopAutoSaveOperator(bpy.types.Operator):
     bl_idname = "session.cancel_autosave"
@@ -804,7 +812,7 @@ class SessionStopAutoSaveOperator(bpy.types.Operator):
 
     @classmethod
     def poll(cls, context):
-        return (session.state['STATE'] == STATE_ACTIVE and 'SessionBackupTimer' in registry)
+        return (session.state == STATE_ACTIVE and 'SessionBackupTimer' in registry)
 
     def execute(self, context):
         autosave_timer = registry.get('SessionBackupTimer')
@@ -829,7 +837,7 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
     )
 
     def execute(self, context):
-        from replication.graph import ReplicationGraph
+        from replication.repository import Repository
 
         # TODO: add filechecks
 
@@ -849,7 +857,7 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
             
 
             # init the factory with supported types
-            bpy_factory = ReplicatedDataFactory()
+            bpy_protocol = DataTranslationProtocol()
             for type in bl_types.types_to_register():
                 type_module = getattr(bl_types, type)
                 name = [e.capitalize() for e in type.split('_')[1:]]
@@ -857,16 +865,16 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
                 type_module_class = getattr(type_module, type_impl_name)
 
 
-                bpy_factory.register_type(
+                bpy_protocol.register_type(
                     type_module_class.bl_class,
                     type_module_class)
             
-            graph = ReplicationGraph()
+            graph = Repository()
 
             for node, node_data in nodes:
                 node_type = node_data.get('str_type')
 
-                impl = bpy_factory.get_implementation_from_net(node_type)
+                impl = bpy_protocol.get_implementation_from_net(node_type)
 
                 if impl:
                     logging.info(f"Loading  {node}")
@@ -874,7 +882,7 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
                                     uuid=node,
                                     dependencies=node_data['dependencies'],
                                     data=node_data['data'])
-                    instance.store(graph)
+                    graph.do_commit(instance)
                     instance.state = FETCHED
             
             logging.info("Graph succefully loaded")
@@ -896,6 +904,76 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
     def poll(cls, context):
         return True
 
+class SessionPresetServerAdd(bpy.types.Operator):
+    """Add a server to the server list preset"""
+    bl_idname = "session.preset_server_add"
+    bl_label = "add server preset"
+    bl_description = "add the current server to the server preset list"
+    bl_options = {"REGISTER"}
+
+    name : bpy.props.StringProperty(default="server_preset")
+    
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def invoke(self, context, event):
+        assert(context)
+        return context.window_manager.invoke_props_dialog(self)
+
+    def draw(self, context):
+        layout = self.layout
+
+        col = layout.column()
+        settings = utils.get_preferences()
+        
+        col.prop(settings, "server_name", text="server name")
+        
+    def execute(self, context):
+        assert(context)
+
+        settings = utils.get_preferences()
+
+        existing_preset = settings.server_preset.get(settings.server_name)
+
+        new_server = existing_preset if existing_preset else settings.server_preset.add()
+        new_server.name = settings.server_name
+        new_server.server_ip = settings.ip
+        new_server.server_port = settings.port
+        new_server.server_password = settings.password
+
+        settings.server_preset_interface = settings.server_name
+
+        if new_server == existing_preset :
+            self.report({'INFO'}, "Server '" + settings.server_name + "' override")
+        else :
+            self.report({'INFO'}, "New '" + settings.server_name + "' server preset")
+
+        return {'FINISHED'}
+
+
+class SessionPresetServerRemove(bpy.types.Operator):
+    """Remove a server to the server list preset"""
+    bl_idname = "session.preset_server_remove"
+    bl_label = "remove server preset"
+    bl_description = "remove the current server from the server preset list"
+    bl_options = {"REGISTER"}
+    
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        assert(context)
+
+        settings = utils.get_preferences()
+
+        settings.server_preset.remove(settings.server_preset.find(settings.server_preset_interface))
+
+        return {'FINISHED'}
+        
+
+
 def menu_func_import(self, context):
     self.layout.operator(SessionLoadSaveOperator.bl_idname, text='Multi-user session snapshot (.db)')
 
@@ -913,17 +991,19 @@ classes = (
     SessionKickOperator,
     SessionInitOperator,
     SessionClearCache,
-    SessionNotifyOperator,
+    SessionNotifyOperator, 
     SessionSaveBackupOperator,
     SessionLoadSaveOperator,
     SessionStopAutoSaveOperator,
     SessionPurgeOperator,
+    SessionPresetServerAdd,
+    SessionPresetServerRemove,
 )
 
 def update_external_dependencies():
     nodes_ids = session.list(filter=bl_types.bl_file.BlFile)
     for node_id in nodes_ids:
-        node = session.get(node_id)
+        node = session.repository.get_node(node_id)
         if node and node.owner in [session.id, RP_COMMON] \
                 and node.has_changed():
             session.commit(node_id)
@@ -932,11 +1012,11 @@ def update_external_dependencies():
 def sanitize_deps_graph(remove_nodes: bool = False):
     """ Cleanup the replication graph
     """
-    if session and session.state['STATE'] == STATE_ACTIVE:
+    if session and session.state == STATE_ACTIVE:
         start = utils.current_milli_time()
         rm_cpt = 0
         for node_key in session.list():
-            node = session.get(node_key)
+            node = session.repository.get_node(node_key)
             if node is None \
                     or (node.state == UP and not node.resolve(construct=False)):
                 if remove_nodes:
@@ -957,18 +1037,18 @@ def resolve_deps_graph(dummy):
     A future solution should be to avoid storing dataclock reference...
 
     """
-    if session and session.state['STATE'] == STATE_ACTIVE:
+    if session and session.state == STATE_ACTIVE:
         sanitize_deps_graph(remove_nodes=True)
 
 @persistent
 def load_pre_handler(dummy):
-    if session and session.state['STATE'] in [STATE_ACTIVE, STATE_SYNCING]:
+    if session and session.state in [STATE_ACTIVE, STATE_SYNCING]:
         bpy.ops.session.stop()
 
 
 @persistent
 def update_client_frame(scene):
-    if session and session.state['STATE'] == STATE_ACTIVE:
+    if session and session.state == STATE_ACTIVE:
         session.update_user_metadata({
             'frame_current': scene.frame_current
         })
@@ -976,7 +1056,7 @@ def update_client_frame(scene):
 
 @persistent
 def depsgraph_evaluation(scene):
-    if session and session.state['STATE'] == STATE_ACTIVE:
+    if session and session.state == STATE_ACTIVE:
         context = bpy.context
         blender_depsgraph = bpy.context.view_layer.depsgraph
         dependency_updates = [u for u in blender_depsgraph.updates]
@@ -989,13 +1069,13 @@ def depsgraph_evaluation(scene):
             # Is the object tracked ?
             if update.id.uuid:
                 # Retrieve local version
-                node = session.get(uuid=update.id.uuid)
+                node = session.repository.get_node(update.id.uuid)
                 
                 # 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 in [session.id, RP_COMMON]:
+                if node and (node.owner == session.id or node.bl_check_common):
                     if node.state == UP:
                         try:
                             if node.has_changed():
@@ -1013,11 +1093,11 @@ def depsgraph_evaluation(scene):
                     continue
             # A new scene is created 
             elif isinstance(update.id, bpy.types.Scene):
-                ref = session.get(reference=update.id)
+                ref = session.repository.get_node_by_datablock(update.id)
                 if ref:
                     ref.resolve()
                 else:
-                    scn_uuid = session.add(update.id)
+                    scn_uuid = add(session.repository, update.id)
                     session.commit(scn_uuid)
                     session.push(scn_uuid, check_data=False)
 def register():
@@ -1035,7 +1115,7 @@ def register():
 
 
 def unregister():
-    if session and session.state['STATE'] == STATE_ACTIVE:
+    if session and session.state == STATE_ACTIVE:
         session.disconnect()
 
     from bpy.utils import unregister_class

multi_user/preferences.py

@@ -33,6 +33,19 @@ from replication.interface import session
 IP_REGEX = re.compile("^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$")
 HOSTNAME_REGEX = re.compile("^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$")
 
+DEFAULT_PRESETS = {
+    "localhost" : {
+        "server_ip": "localhost",
+        "server_port": 5555,
+        "server_password": "admin"
+    },
+    "public session" : {
+        "server_ip": "51.75.71.183",
+        "server_port": 5555,
+        "server_password": ""
+    },
+}
+
 def randomColor():
     """Generate a random color """
     r = random.random()
@@ -65,16 +78,11 @@ def update_ip(self, context):
         logging.error("Wrong IP format")
         self['ip'] = "127.0.0.1"
 
-
-def update_port(self, context):
-    max_port = self.port + 3
-
-    if self.ipc_port < max_port and \
-            self['ipc_port'] >= self.port:
-        logging.error(
-            "IPC Port in conflict with the port, assigning a random value")
-        self['ipc_port'] = random.randrange(self.port+4, 10000)
-
+def update_server_preset_interface(self, context):
+    self.server_name = self.server_preset.get(self.server_preset_interface).name
+    self.ip = self.server_preset.get(self.server_preset_interface).server_ip
+    self.port = self.server_preset.get(self.server_preset_interface).server_port
+    self.password = self.server_preset.get(self.server_preset_interface).server_password 
 
 def update_directory(self, context):
     new_dir = Path(self.cache_directory)
@@ -101,6 +109,10 @@ class ReplicatedDatablock(bpy.types.PropertyGroup):
     auto_push: bpy.props.BoolProperty(default=True)
     icon: bpy.props.StringProperty()
 
+class ServerPreset(bpy.types.PropertyGroup):
+    server_ip: bpy.props.StringProperty()
+    server_port: bpy.props.IntProperty(default=5555)
+    server_password: bpy.props.StringProperty(default="admin", subtype = "PASSWORD")
 
 def set_sync_render_settings(self, value):
     self['sync_render_settings'] = value
@@ -153,7 +165,7 @@ class SessionPrefs(bpy.types.AddonPreferences):
     ip: bpy.props.StringProperty(
         name="ip",
         description='Distant host ip',
-        default="127.0.0.1",
+        default="localhost",
         update=update_ip)
     username: bpy.props.StringProperty(
         name="Username",
@@ -168,18 +180,23 @@ class SessionPrefs(bpy.types.AddonPreferences):
         description='Distant host port',
         default=5555
     )
+    server_name: bpy.props.StringProperty(
+        name="server_name",
+        description="Custom name of the server",
+        default='localhost',
+    )
+    password: bpy.props.StringProperty(
+        name="password",
+        default=random_string_digits(),
+        description='Session password',
+        subtype='PASSWORD'
+    )
     sync_flags: bpy.props.PointerProperty(
         type=ReplicationFlags
     )
     supported_datablocks: bpy.props.CollectionProperty(
         type=ReplicatedDatablock,
     )
-    ipc_port: bpy.props.IntProperty(
-        name="ipc_port",
-        description='internal ttl port(only useful for multiple local instances)',
-        default=random.randrange(5570, 70000),
-        update=update_port,
-    )
     init_method: bpy.props.EnumProperty(
         name='init_method',
         description='Init repo',
@@ -195,7 +212,7 @@ class SessionPrefs(bpy.types.AddonPreferences):
     connection_timeout: bpy.props.IntProperty(
         name='connection timeout',
         description='connection timeout before disconnection',
-        default=1000
+        default=5000
     )
     # Replication update settings
     depsgraph_update_rate: bpy.props.FloatProperty(
@@ -335,6 +352,25 @@ class SessionPrefs(bpy.types.AddonPreferences):
         max=59
     )
 
+    # Server preset
+    def server_list_callback(scene, context):
+        settings = get_preferences()
+        enum = []
+        for i in settings.server_preset:
+            enum.append((i.name, i.name, ""))
+        return enum
+
+    server_preset: bpy.props.CollectionProperty(
+        name="server preset",
+        type=ServerPreset,
+    )
+    server_preset_interface: bpy.props.EnumProperty(
+        name="servers",
+        description="servers enum",
+        items=server_list_callback,
+        update=update_server_preset_interface,
+    )
+
     # Custom panel
     panel_category: bpy.props.StringProperty(
         description="Choose a name for the category of the panel",
@@ -434,6 +470,18 @@ class SessionPrefs(bpy.types.AddonPreferences):
             new_db.icon = type_module_class.bl_icon
             new_db.bl_name = type_module_class.bl_id
 
+    # custom at launch server preset
+    def generate_default_presets(self): 
+        for preset_name, preset_data in DEFAULT_PRESETS.items():
+            existing_preset = self.server_preset.get(preset_name)
+            if existing_preset :
+                continue
+            new_server = self.server_preset.add()
+            new_server.name = preset_name
+            new_server.server_ip = preset_data.get('server_ip')
+            new_server.server_port = preset_data.get('server_port')
+            new_server.server_password = preset_data.get('server_password',None)
+
 
 def client_list_callback(scene, context):
     from . import operators
@@ -510,12 +558,6 @@ class SessionProps(bpy.types.PropertyGroup):
         description='Connect as admin',
         default=False
     )
-    password: bpy.props.StringProperty(
-        name="password",
-        default=random_string_digits(),
-        description='Session password',
-        subtype='PASSWORD'
-    )
     internet_ip: bpy.props.StringProperty(
         name="internet ip",
         default="no found",
@@ -537,6 +579,7 @@ classes = (
     SessionProps,
     ReplicationFlags,
     ReplicatedDatablock,
+    ServerPreset,
     SessionPrefs,
 )
 
@@ -551,6 +594,10 @@ def register():
     if len(prefs.supported_datablocks) == 0:
         logging.debug('Generating bl_types preferences')
         prefs.generate_supported_types()
+    
+    # at launch server presets
+    prefs.generate_default_presets()
+        
 
 
 def unregister():

multi_user/presence.py

@@ -30,7 +30,7 @@ import mathutils
 from bpy_extras import view3d_utils
 from gpu_extras.batch import batch_for_shader
 from replication.constants import (STATE_ACTIVE, STATE_AUTH, STATE_CONFIG,
-                                   STATE_INITIAL, STATE_LAUNCHING_SERVICES,
+                                   STATE_INITIAL, CONNECTING,
                                    STATE_LOBBY, STATE_QUITTING, STATE_SRV_SYNC,
                                    STATE_SYNCING, STATE_WAITING)
 from replication.interface import session
@@ -399,7 +399,7 @@ class SessionStatusWidget(Widget):
         text_scale = self.preferences.presence_hud_scale
         ui_scale = bpy.context.preferences.view.ui_scale
         color = [1, 1, 0, 1]
-        state = session.state.get('STATE')
+        state = session.state
         state_str = f"{get_state_str(state)}"
 
         if state == STATE_ACTIVE:

multi_user/timers.py

@@ -17,13 +17,14 @@
 
 import logging
 import sys
-
+import traceback
 import bpy
 from replication.constants import (FETCHED, RP_COMMON, STATE_ACTIVE,
                                    STATE_INITIAL, STATE_LOBBY, STATE_QUITTING,
                                    STATE_SRV_SYNC, STATE_SYNCING, UP)
 from replication.exception import NonAuthorizedOperationError, ContextError
 from replication.interface import session
+from replication.porcelain import apply, add
 
 from . import operators, utils
 from .presence import (UserFrustumWidget, UserNameWidget, UserSelectionWidget,
@@ -71,7 +72,7 @@ class Timer(object):
         except Exception as e:
             logging.error(e)
             self.unregister()
-            session.disconnect()
+            session.disconnect(reason=f"Error during timer {self.id} execution")
         else:    
             if self.is_running:
                 return self._timeout
@@ -100,24 +101,31 @@ class SessionBackupTimer(Timer):
     def execute(self):
         session.save(self._filepath)
 
+class SessionListenTimer(Timer):
+    def execute(self):
+        session.listen()
+
 class ApplyTimer(Timer):
     def execute(self):
-        if session and session.state['STATE'] == STATE_ACTIVE:
+        if session and session.state == STATE_ACTIVE:
             nodes = session.list()
 
             for node in nodes:
-                node_ref = session.get(uuid=node)
+                node_ref = session.repository.get_node(node)
 
                 if node_ref.state == FETCHED:
                     try:
-                        session.apply(node)
+                        apply(session.repository, node)
                     except Exception as e:
-                        logging.error(f"Fail to apply {node_ref.uuid}: {e}")
+                        logging.error(f"Fail to apply {node_ref.uuid}")
+                        traceback.print_exc()
                     else:
                         if node_ref.bl_reload_parent:
-                            for parent in session._graph.find_parents(node):
+                            for parent in session.repository.get_parents(node):
                                 logging.debug("Refresh parent {node}")
-                                session.apply(parent, force=True)
+                                apply(session.repository,
+                                      parent.uuid,
+                                      force=True)
 
 
 class DynamicRightSelectTimer(Timer):
@@ -130,7 +138,7 @@ class DynamicRightSelectTimer(Timer):
     def execute(self):
         settings = utils.get_preferences()
 
-        if session and session.state['STATE'] == STATE_ACTIVE:
+        if session and session.state == STATE_ACTIVE:
             # Find user
             if self._user is None:
                 self._user = session.online_users.get(settings.username)
@@ -144,7 +152,7 @@ class DynamicRightSelectTimer(Timer):
 
                 # if an annotation exist and is tracked
                 if annotation_gp and annotation_gp.uuid:
-                    registered_gp = session.get(uuid=annotation_gp.uuid)
+                    registered_gp = session.repository.get_node(annotation_gp.uuid)
                     if is_annotating(bpy.context):
                         # try to get the right on it
                         if registered_gp.owner == RP_COMMON:
@@ -158,7 +166,7 @@ class DynamicRightSelectTimer(Timer):
                                 affect_dependencies=False)
                         
                         if registered_gp.owner == settings.username:
-                            gp_node = session.get(uuid=annotation_gp.uuid)
+                            gp_node = session.repository.get_node(annotation_gp.uuid)
                             if gp_node.has_changed():
                                 session.commit(gp_node.uuid)
                                 session.push(gp_node.uuid, check_data=False)
@@ -182,7 +190,7 @@ class DynamicRightSelectTimer(Timer):
 
                     # change old selection right to common
                     for obj in obj_common:
-                        node = session.get(uuid=obj)
+                        node = session.repository.get_node(obj)
 
                         if node and (node.owner == settings.username or node.owner == RP_COMMON):
                             recursive = True
@@ -200,7 +208,7 @@ class DynamicRightSelectTimer(Timer):
 
                     # change new selection to our
                     for obj in obj_ours:
-                        node = session.get(uuid=obj)
+                        node = session.repository.get_node(obj)
 
                         if node and node.owner == RP_COMMON:
                             recursive = True
@@ -233,7 +241,7 @@ class DynamicRightSelectTimer(Timer):
                         owned_keys = session.list(
                             filter_owner=settings.username)
                         for key in owned_keys:
-                            node = session.get(uuid=key)
+                            node = session.repository.get_node(key)
                             try:
                                 session.change_owner(
                                     key,
@@ -262,7 +270,7 @@ class ClientUpdate(Timer):
         settings = utils.get_preferences()
 
         if session and renderer:
-            if session.state['STATE'] in [STATE_ACTIVE, STATE_LOBBY]:
+            if session.state in [STATE_ACTIVE, STATE_LOBBY]:
                 local_user = session.online_users.get(
                     settings.username)
 

multi_user/ui.py

@@ -26,7 +26,7 @@ from replication.constants import (ADDED, ERROR, FETCHED,
                                                      STATE_INITIAL, STATE_SRV_SYNC,
                                                      STATE_WAITING, STATE_QUITTING,
                                                      STATE_LOBBY,
-                                                     STATE_LAUNCHING_SERVICES)
+                                                     CONNECTING)
 from replication import __version__
 from replication.interface import session
 from .timers import registry
@@ -71,9 +71,9 @@ class SESSION_PT_settings(bpy.types.Panel):
 
     def draw_header(self, context):
         layout = self.layout
-        if session and session.state['STATE'] != STATE_INITIAL:
+        if session and session.state != STATE_INITIAL:
             cli_state = session.state
-            state =  session.state.get('STATE')
+            state =  session.state
             connection_icon = "KEYTYPE_MOVING_HOLD_VEC"
 
             if state == STATE_ACTIVE:
@@ -81,7 +81,7 @@ class SESSION_PT_settings(bpy.types.Panel):
             else:
                 connection_icon = 'PROP_CON'
 
-            layout.label(text=f"Session - {get_state_str(cli_state['STATE'])}", icon=connection_icon)
+            layout.label(text=f"Session - {get_state_str(cli_state)}", icon=connection_icon)
         else:
             layout.label(text=f"Session - v{__version__}",icon="PROP_OFF")
 
@@ -94,13 +94,13 @@ class SESSION_PT_settings(bpy.types.Panel):
         if hasattr(context.window_manager, 'session'):
             # STATE INITIAL
             if not session \
-               or (session and session.state['STATE'] == STATE_INITIAL):
+               or (session and session.state == STATE_INITIAL):
                 pass
             else:
-                cli_state = session.state                
+                progress = session.state_progress           
                 row = layout.row()
 
-                current_state = cli_state['STATE']
+                current_state = session.state
                 info_msg = None
 
                 if current_state in [STATE_ACTIVE]:
@@ -124,8 +124,8 @@ class SESSION_PT_settings(bpy.types.Panel):
                 if current_state in [STATE_SYNCING, STATE_SRV_SYNC, STATE_WAITING]:
                     info_box = row.box()
                     info_box.row().label(text=printProgressBar(
-                        cli_state['CURRENT'],
-                        cli_state['TOTAL'],
+                        progress['current'],
+                        progress['total'],
                         length=16
                     ))
 
@@ -141,7 +141,7 @@ class SESSION_PT_settings_network(bpy.types.Panel):
     @classmethod
     def poll(cls, context):
         return not session \
-            or (session and session.state['STATE'] == 0)
+            or (session and session.state == 0)
 
     def draw_header(self, context):
         self.layout.label(text="", icon='URL')
@@ -156,7 +156,13 @@ class SESSION_PT_settings_network(bpy.types.Panel):
         row = layout.row()
         row.prop(runtime_settings, "session_mode", expand=True)
         row = layout.row()
+                     
+        col = row.row(align=True)
+        col.prop(settings, "server_preset_interface", text="")
+        col.operator("session.preset_server_add", icon='ADD', text="")
+        col.operator("session.preset_server_remove", icon='REMOVE', text="")
 
+        row = layout.row()
         box = row.box()
 
         if runtime_settings.session_mode == 'HOST':
@@ -168,7 +174,7 @@ class SESSION_PT_settings_network(bpy.types.Panel):
             row.prop(settings, "init_method", text="")
             row = box.row()
             row.label(text="Admin password:")
-            row.prop(runtime_settings, "password", text="")
+            row.prop(settings, "password", text="")
             row = box.row()
             row.operator("session.start", text="HOST").host = True
         else:
@@ -184,11 +190,10 @@ class SESSION_PT_settings_network(bpy.types.Panel):
             if runtime_settings.admin:
                 row = box.row()
                 row.label(text="Password:")
-                row.prop(runtime_settings, "password", text="")
+                row.prop(settings, "password", text="")
             row = box.row()
             row.operator("session.start", text="CONNECT").host = False
 
-
 class SESSION_PT_settings_user(bpy.types.Panel):
     bl_idname = "MULTIUSER_SETTINGS_USER_PT_panel"
     bl_label = "User info"
@@ -199,7 +204,7 @@ class SESSION_PT_settings_user(bpy.types.Panel):
     @classmethod
     def poll(cls, context):
         return not session \
-            or (session and session.state['STATE'] == 0)
+            or (session and session.state == 0)
     
     def draw_header(self, context):
         self.layout.label(text="", icon='USER')
@@ -230,7 +235,7 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
     @classmethod
     def poll(cls, context):
         return not session \
-            or (session and session.state['STATE'] == 0)
+            or (session and session.state == 0)
 
     def draw_header(self, context):
         self.layout.label(text="", icon='PREFERENCES')
@@ -251,9 +256,6 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
             emboss=False)
         
         if settings.sidebar_advanced_net_expanded:
-            net_section_row = net_section.row()
-            net_section_row.label(text="IPC Port:")
-            net_section_row.prop(settings, "ipc_port", text="")
             net_section_row = net_section.row()
             net_section_row.label(text="Timeout (ms):")
             net_section_row.prop(settings, "connection_timeout", text="")
@@ -322,7 +324,7 @@ class SESSION_PT_user(bpy.types.Panel):
 
     @classmethod
     def poll(cls, context):
-        return session and session.state['STATE'] in [STATE_ACTIVE, STATE_LOBBY]
+        return session and session.state in [STATE_ACTIVE, STATE_LOBBY]
 
     def draw_header(self, context):
         self.layout.label(text="", icon='USER')
@@ -353,7 +355,7 @@ class SESSION_PT_user(bpy.types.Panel):
         if active_user != 0 and active_user.username != settings.username:
             row = layout.row()
             user_operations = row.split()
-            if  session.state['STATE'] == STATE_ACTIVE:
+            if  session.state == STATE_ACTIVE:
                 
                 user_operations.alert = context.window_manager.session.time_snap_running
                 user_operations.operator(
@@ -411,7 +413,7 @@ class SESSION_PT_presence(bpy.types.Panel):
     @classmethod
     def poll(cls, context):
         return not session \
-            or (session and session.state['STATE'] in [STATE_INITIAL, STATE_ACTIVE])
+            or (session and session.state in [STATE_INITIAL, STATE_ACTIVE])
 
     def draw_header(self, context):
         self.layout.prop(context.window_manager.session,
@@ -441,7 +443,7 @@ class SESSION_PT_presence(bpy.types.Panel):
 def draw_property(context, parent, property_uuid, level=0):
     settings = get_preferences()
     runtime_settings = context.window_manager.session
-    item = session.get(uuid=property_uuid)
+    item = session.repository.get_node(property_uuid)
 
     area_msg = parent.row(align=True)
 
@@ -519,8 +521,8 @@ class SESSION_PT_repository(bpy.types.Panel):
                 admin = usr['admin']
         return hasattr(context.window_manager, 'session') and \
             session and \
-            (session.state['STATE'] == STATE_ACTIVE or \
-            session.state['STATE'] == STATE_LOBBY and admin)
+            (session.state == STATE_ACTIVE or \
+            session.state == STATE_LOBBY and admin)
 
     def draw_header(self, context):
         self.layout.label(text="", icon='OUTLINER_OB_GROUP_INSTANCE')
@@ -536,7 +538,7 @@ class SESSION_PT_repository(bpy.types.Panel):
 
         row = layout.row()
 
-        if session.state['STATE'] == STATE_ACTIVE:
+        if session.state == STATE_ACTIVE:
             if 'SessionBackupTimer' in registry:
                 row.alert = True
                 row.operator('session.cancel_autosave', icon="CANCEL")
@@ -568,7 +570,7 @@ class SESSION_PT_repository(bpy.types.Panel):
                 filter_owner=settings.username) if runtime_settings.filter_owned else session.list()
 
             client_keys = [key for key in key_to_filter
-                           if session.get(uuid=key).str_type
+                           if session.repository.get_node(key).str_type
                            in types_filter]
 
             if client_keys:
@@ -579,7 +581,7 @@ class SESSION_PT_repository(bpy.types.Panel):
             else:
                 row.label(text="Empty")
 
-        elif session.state['STATE'] == STATE_LOBBY and usr and usr['admin']:
+        elif session.state == STATE_LOBBY and usr and usr['admin']:
             row.operator("session.init", icon='TOOL_SETTINGS', text="Init")
         else:
             row.label(text="Waiting to start")

multi_user/utils.py

@@ -36,7 +36,7 @@ from replication.constants import (STATE_ACTIVE, STATE_AUTH,
                                   STATE_INITIAL, STATE_SRV_SYNC,
                                   STATE_WAITING, STATE_QUITTING,
                                   STATE_LOBBY,
-                                  STATE_LAUNCHING_SERVICES)
+                                  CONNECTING)
 
 
 def find_from_attr(attr_name, attr_value, list):
@@ -92,7 +92,7 @@ def get_state_str(state):
         state_str = 'OFFLINE'
     elif state == STATE_QUITTING:
         state_str = 'QUITTING'
-    elif state == STATE_LAUNCHING_SERVICES:
+    elif state == CONNECTING:
         state_str = 'LAUNCHING SERVICES'
     elif state == STATE_LOBBY:
         state_str = 'LOBBY'

scripts/test_addon.py

@@ -13,7 +13,7 @@ def main():
     if len(sys.argv) > 2:
         blender_rev = sys.argv[2]
     else:
-        blender_rev = "2.91.0"
+        blender_rev = "2.92.0"
     
     try:
         exit_val = BAT.test_blender_addon(addon_path=addon, blender_revision=blender_rev)

tests/test_bl_types/test_action.py

@@ -8,6 +8,7 @@ import random
 from multi_user.bl_types.bl_action import BlAction
 
 INTERPOLATION = ['CONSTANT', 'LINEAR', 'BEZIER', 'SINE', 'QUAD', 'CUBIC', 'QUART', 'QUINT', 'EXPO', 'CIRC', 'BACK', 'BOUNCE', 'ELASTIC']
+FMODIFIERS = ['GENERATOR', 'FNGENERATOR', 'ENVELOPE', 'CYCLES', 'NOISE', 'LIMITS', 'STEPPED']
 
 # @pytest.mark.parametrize('blendname', ['test_action.blend'])
 def test_action(clear_blend):
@@ -22,6 +23,9 @@ def test_action(clear_blend):
         point.co[1] = random.randint(-10,10)
         point.interpolation = INTERPOLATION[random.randint(0, len(INTERPOLATION)-1)]
 
+    for mod_type in FMODIFIERS:
+        fcurve_sample.modifiers.new(mod_type)
+
     bpy.ops.mesh.primitive_plane_add()
     bpy.data.objects[0].animation_data_create()
     bpy.data.objects[0].animation_data.action = datablock

tests/test_bl_types/test_object.py

@@ -7,7 +7,7 @@ import bpy
 import random
 from multi_user.bl_types.bl_object import BlObject
 
-# Removed 'BUILD' modifier because the seed doesn't seems to be
+# Removed 'BUILD', 'SOFT_BODY' modifier because the seed doesn't seems to be
 # correctly initialized (#TODO: report the bug)
 MOFIFIERS_TYPES = [
     'DATA_TRANSFER', 'MESH_CACHE', 'MESH_SEQUENCE_CACHE',
@@ -22,8 +22,7 @@ MOFIFIERS_TYPES = [
     'MESH_DEFORM', 'SHRINKWRAP', 'SIMPLE_DEFORM', 'SMOOTH',
     'CORRECTIVE_SMOOTH', 'LAPLACIANSMOOTH', 'SURFACE_DEFORM',
     'WARP', 'WAVE', 'CLOTH', 'COLLISION', 'DYNAMIC_PAINT',
-    'EXPLODE', 'FLUID', 'OCEAN', 'PARTICLE_INSTANCE',
-    'SOFT_BODY', 'SURFACE']
+    'EXPLODE', 'FLUID', 'OCEAN', 'PARTICLE_INSTANCE', 'SURFACE']
 
 GP_MODIFIERS_TYPE = [
     'GP_ARRAY', 'GP_BUILD', 'GP_MIRROR', 'GP_MULTIPLY',
@@ -72,5 +71,5 @@ def test_object(clear_blend):
     test = implementation._construct(expected)
     implementation._load(expected, test)
     result = implementation._dump(test)
-
+    print(DeepDiff(expected, result))
     assert not DeepDiff(expected, result)