Swap serialize/sub-serialize, always solve which Serializer class to use

operators.py

@@ -14,7 +14,7 @@ import bpy
 from bpy.props import BoolProperty, EnumProperty
 from bpy.types import Operator
 
-from .dumper import dump_nodes, load_nodes
+from .dumper import serialize_selected_nodes_from_node_tree, deserialize_nodes_into_node_tree
 from .node_utils import remap_node_group_duplicates
 from .pack_nodes import combine_objects, extract_objects
 from .formats import dump_nkit_format, parse_nkit_format
@@ -28,18 +28,12 @@ class NODEKIT_OT_copy(Operator):
 
     def execute(self, context):
         ntree = context.space_data.edit_tree
-        selected_nodes = [node for node in ntree.nodes if node.select]
+        serialized_nodes_data = serialize_selected_nodes_from_node_tree(ntree)
 
-        ntree_data = {
-            "nodes": dump_nodes(selected_nodes),
-            "links": dump_nodes(
-                [l for l in ntree.links if l.from_node.select and l.to_node.select]
-            ),
-        }
+        context.window_manager.clipboard = dump_nkit_format(serialized_nodes_data)
 
-        context.window_manager.clipboard = dump_nkit_format(ntree_data)
-
-        self.report({"INFO"}, f"Copied {len(selected_nodes)} selected nodes to system clipboard")
+        num_selected_nodes = len([n for n in ntree.nodes if n.select])
+        self.report({"INFO"}, f"Copied {num_selected_nodes} selected nodes to system clipboard")
         return {"FINISHED"}
 
 
@@ -55,7 +49,8 @@ class NODEKIT_OT_copy_tree(Operator):
 
         context.window_manager.clipboard = dump_nkit_format(ntree_data)
 
-        self.report({"INFO"}, f"Copied {len(ntree.nodes)} selected nodes to system clipboard")
+        num_nodes = len(ntree.nodes)
+        self.report({"INFO"}, f"Copied {num_nodes} selected nodes to system clipboard")
         return {"FINISHED"}
 
 
@@ -67,7 +62,7 @@ class NODEKIT_OT_paste(Operator):
 
     def execute(self, context):
         ntree_data = parse_nkit_format(context.window_manager.clipboard)
-        load_nodes(ntree_data, context.space_data.edit_tree)
+        deserialize_nodes_into_node_tree(ntree_data, context.space_data.edit_tree)
 
         self.report({"INFO"}, f"X node(s) pasted from system clipboard")  # TODO: Ge the number of parsed nodes returned
         return {"FINISHED"}

utils.py

@@ -1,6 +1,21 @@
+from dataclasses import dataclass
+from typing import Any
+
 import bpy
 
 
+
+@dataclass
+class BlenderProperty:
+    """
+    Blender Property abstraction, used since a Blender property value isn't
+    directly accessible from its Property object representation
+    NOTE: Do not rely on value being up-to-date, data will get stall
+    """
+    rep: bpy.types.Property
+    attr: Any
+
+
 def all_subclasses(cls):
     return set(cls.__subclasses__()).union(
         [s for c in cls.__subclasses__() for s in all_subclasses(c)]