fix nodegroup socket error in blender 3.4

1.0.3

- fixed: Send to render layer compatibility with blender 3.4
- added: clear default nodes when creating new render scene

CHANGELOG.md

@@ -14,6 +14,11 @@ Activate / deactivate layer opacity according to prefix
 Activate / deactivate all masks using MA layers
 -->
 
+1.0.3
+
+- fixed: Send to render layer compatibility with blender 3.4
+- added: clear default nodes when creating new render scene
+
 1.0.2
 
 - added: GP object with name starting with `.` are ignored from "all objects" operation (renaming, numbering, sending to render scene)

OP_add_layer.py

@@ -64,7 +64,8 @@ def export_gp_objects(oblist, exclude_list=[], scene=None):
 class GPEXP_OT_add_objects_to_render(bpy.types.Operator):
     bl_idname = "gp.add_object_to_render"
     bl_label = "Add all Gp Layer of active object as render nodes"
-    bl_description = "Setup GP object in render scene\nNote: 'send all' mode skip hided objects"
+    bl_description = "Setup GP object in render scene\
+                    \nNote: 'send all' mode skip hided objects"
     bl_options = {"REGISTER"}
 
     @classmethod

OP_auto_build.py

@@ -1,4 +1,5 @@
 import bpy
+from pathlib import Path
 from . import gen_vlayer, fn
 
 class GPEXP_OT_render_auto_build(bpy.types.Operator):
@@ -45,6 +46,10 @@ class GPEXP_OT_render_auto_build(bpy.types.Operator):
         ## TODO: add colors to layers (specified in ENV or hardcoded for now...)
         ## Option: Maybe find a way to create a color from prefix hash ? (wlways give unique color with same prefix on other project!)
 
+        render_scn = bpy.data.scenes.get('Render')
+        if render_scn:
+            self.report({'ERROR'}, 'A "Render" scene already exists')
+            return {'CANCELLED'}
 
         ## Trigger rename lowercase
         bpy.ops.gp.lower_layers_name()
@@ -52,14 +57,36 @@ class GPEXP_OT_render_auto_build(bpy.types.Operator):
         ## Trigger renumber by distance
         bpy.ops.gp.auto_number_object()
         
-        ## Export layer infos ?
-        bpy.ops.gp.export_infos_for_compo()
+        ## Export layer infos ? (skip if json already exists)
+        bpy.ops.gp.export_infos_for_compo('INVOKE_DEFAULT', skip_check=True)
 
         ## Send all GP to render scene
         bpy.ops.gp.add_object_to_render(mode="ALL")
 
+        ## Switch to new Render Scene
+        render_scn = bpy.data.scenes.get('Render')
+        if not render_scn:
+            self.report({'ERROR'}, 'No render scene found')
+            return {'CANCELLED'}
+        context.window.scene = render_scn
+
+        ## Change to GP workspace (if needed)
+        if context.window.workspace.name != 'GP Render':
+            if (render_wkspace := bpy.data.workspaces.get('GP Render')):
+                context.window.workspace = render_wkspace
+            else:
+                render_wkspace_filepath = Path(bpy.utils.user_resource('SCRIPTS'), 'startup', 'GP', 'startup.blend')
+                ret = bpy.ops.workspace.append_activate(idname='GP Render', filepath=str(render_wkspace_filepath))
+                if ret != {'FINISHED'}:
+                    # Fallback to workspace template shipped with addon (TODO : add template blend file in addon)
+                    render_wkspace_filepath = Path(__file__).parent / 'workspaces' / 'startup.blend'
+                    ret = bpy.ops.workspace.append_activate(idname='GP Render', filepath=str(render_wkspace_filepath))
+
+
         ## Group all adjacent layer type
         
+        
+
         ## Renumber File outputs
 
         ## Trigger check file before finishing ?

OP_setup_layers.py

@@ -61,9 +61,16 @@ class GPEXP_OT_export_infos_for_compo(bpy.types.Operator):
     def poll(cls, context):
         return context.object and context.object.type == 'GPENCIL'
 
-    def invoke(self, context, event):
+    skip_check : bpy.props.BoolProperty(default=False, options={'SKIP_SAVE'})
 
+    def invoke(self, context, event):
         self.l_infos = Path(bpy.data.filepath).parent / 'render' / 'infos.json'
+        if self.skip_check:
+            if self.l_infos.exists():
+                # Preferably skip if already user defined ?
+                return {'FINISHED'}
+            return self.execute(context)
+
         if self.l_infos.exists():
             return context.window_manager.invoke_props_dialog(self)
         return self.execute(context)

fn.py

@@ -229,7 +229,10 @@ def get_render_scene():
 
     render_scn.use_nodes = True
     
-    # TODO Clear node tree (initial view layer stuff)
+    ## Clear node tree (initial view layer stuff)
+    render_scn.node_tree.nodes.clear()
+    # for n in reversed(render_scn.node_tree.nodes):
+    #     render_scn.node_tree.nodes.remove(n)
 
     set_settings(render_scn)
     render_scn['use_aa'] = True    

gen_vlayer.py

@@ -106,7 +106,7 @@ def connect_render_layer(rlayer, ng=None, out=None, frame=None):
     if not rlayer.outputs['Image'].is_linked:
         sockin = ng.inputs.get(vl_name)
         if not sockin:
-            sockin = ng.inputs.new('NodeSocketColor', vl_name)
+            sockin = ng.node_tree.inputs.new('NodeSocketColor', vl_name)
             sockin = ng.inputs[-1]
 
         links.new(rlayer.outputs['Image'], sockin)
@@ -144,7 +144,7 @@ def connect_render_layer(rlayer, ng=None, out=None, frame=None):
         aa = fn.create_aa_nodegroup(ngroup)# fn.new_aa_node(ngroup)
         groupout = ng.outputs.get(vl_name)
         if not groupout:
-            ng.outputs.new('NodeSocketColor', vl_name) # assigning direcly doesn't link well
+            ng.node_tree.outputs.new('NodeSocketColor', vl_name) # assigning direcly doesn't link well
             groupout = ng.outputs[-1]
 
         # print('ng_out.inputs.get(vl_name): ', ng_out.inputs.get(vl_name))