Windows 10, 64 bit
Short description of error
I want to create a subproperty (Pointer/Collection) in my custom node. Inside I want to declare a property with an update function that somehow knows the parent node.
I found that I could use the path_from_id function and do some string manipulation to access the node. Beside that being not a very nice solution, it even does not seem to work.
I also tested registering subproperties in a Scene, there the path_from_id function works properly. In my custom node I get an error message with "found but does not support path creation". I can't really see if this is intended, a bug or just something that is not implemented yet.
Exact steps for others to reproduce the error
Here is a little test script that raises the exception:
import bpy from bpy.props import * class MyNodeTree(bpy.types.NodeTree): bl_idname = "MyNodeTree" bl_label = "My Node Tree" bl_icon = "COPY_ID" class MyPropGroup(bpy.types.PropertyGroup): prop = BoolProperty() def test(self): print(self.path_from_id("prop")) bpy.utils.register_class(MyPropGroup) class MyNode(bpy.types.Node): bl_idname = "MyNode" bl_label = "My Node" prop = BoolProperty() subprop = PointerProperty(type = MyPropGroup) def test(self): print(self.path_from_id("prop")) bpy.utils.register_class(MyNodeTree) bpy.utils.register_class(MyNode) tree = bpy.data.node_groups.new("Test Tree", "MyNodeTree") node = tree.nodes.new("MyNode") node.test() node.subprop.test()