Add Chromium-only Blender WebEngine parity work

blender-5.2.0/scripts/startup/nodeitems_builtins.py

@@ -0,0 +1,54 @@
+# SPDX-FileCopyrightText: 2013-2023 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import bpy
+from nodeitems_utils import (
+    NodeCategory,
+)
+
+
+# Subclasses for standard node types
+
+class SortedNodeCategory(NodeCategory):
+    def __init__(self, identifier, name, description="", items=None):
+        # for builtin nodes the convention is to sort by name
+        if isinstance(items, list):
+            items = sorted(items, key=lambda item: item.label.lower())
+
+        super().__init__(identifier, name, description=description, items=items)
+
+
+class CompositorNodeCategory(SortedNodeCategory):
+    @classmethod
+    def poll(cls, context):
+        return (
+            context.space_data.type == 'NODE_EDITOR' and
+            context.space_data.tree_type == 'CompositorNodeTree'
+        )
+
+
+class ShaderNodeCategory(SortedNodeCategory):
+    @classmethod
+    def poll(cls, context):
+        return (
+            context.space_data.type == 'NODE_EDITOR' and
+            context.space_data.tree_type == 'ShaderNodeTree'
+        )
+
+
+# Maps node tree type to group node type.
+node_tree_group_type = {
+    'CompositorNodeTree': 'CompositorNodeGroup',
+    'ShaderNodeTree': 'ShaderNodeGroup',
+    'TextureNodeTree': 'TextureNodeGroup',
+    'GeometryNodeTree': 'GeometryNodeGroup',
+}
+
+
+def register():
+    pass
+
+
+def unregister():
+    pass