From e62a33e57256cb772e6dfce9ba7a3a58c3c08b0a Mon Sep 17 00:00:00 2001
From: Monique Dewanchand <mdewanchand>
Date: Tue, 7 Jun 2022 15:40:20 +0200
Subject: [PATCH] Nodes: Show node description in Node add menu

Though no nodes have descriptions currently, this patch makes it
possible to add descriptions that display in the add menu, for
custom node systems and existing builtin nodes.

Differential Revision: https://developer.blender.org/D14963
---
 release/scripts/startup/bl_operators/node.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/release/scripts/startup/bl_operators/node.py b/release/scripts/startup/bl_operators/node.py
index c64898fdfb9..a99a81e0c63 100644
--- a/release/scripts/startup/bl_operators/node.py
+++ b/release/scripts/startup/bl_operators/node.py
@@ -129,6 +129,15 @@ class NodeAddOperator:
 
         return result
 
+    @classmethod
+    def description(cls, context, properties):
+        nodetype = properties["type"]
+        bl_rna = bpy.types.Node.bl_rna_get_subclass(nodetype)
+        if bl_rna is not None:
+            return bl_rna.description
+        else:
+            return ""
+
 
 # Simple basic operator for adding a node
 class NODE_OT_add_node(NodeAddOperator, Operator):