Blender 2.8 - 4.5 Support

leenkx/blender/lnx/logicnode/lnx_nodes.py

@@ -2,9 +2,17 @@ from collections import OrderedDict
 import itertools
 import math
 import textwrap
-from typing import Any, final, Generator, List, Optional, Type, Union
+from typing import Any, Dict, Generator, List, Optional, Tuple, Type, Union
 from typing import OrderedDict as ODict  # Prevent naming conflicts
 
+try:
+    from typing import final
+except ImportError:
+    # Python < 3.8 compatibility
+    def final(f):
+        """No final in Python < 3.8"""
+        return f
+
 import bpy.types
 from bpy.props import *
 from nodeitems_utils import NodeItem
@@ -39,11 +47,11 @@ PKG_AS_CATEGORY = "__pkgcat__"
 nodes = []
 category_items: ODict[str, List['LnxNodeCategory']] = OrderedDict()
 
-array_nodes: dict[str, 'LnxLogicTreeNode'] = dict()
+array_nodes: Dict[str, 'LnxLogicTreeNode'] = dict()
 
 # See LnxLogicTreeNode.update()
 # format: [tree pointer => (num inputs, num input links, num outputs, num output links)]
-last_node_state: dict[int, tuple[int, int, int, int]] = {}
+last_node_state: Dict[int, Tuple[int, int, int, int]] = {}
 
 
 class LnxLogicTreeNode(bpy.types.Node):