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Fix: Nodes: KeyError with Typed Bundle operators tooltip

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Most node operators inherit from `NodeOperator`, which has a dynamic
description based on node type. The `Add/Swap Typed Bundle` operators
don't have a `type` property, leading to an error being raised.

This patch separates the dynamic `description` into a dedicated
`SingleNodeOperator` class, so that other operators inheriting
from `NodeOperator` don't accidentally inherit it.

Pull Request: https://projects.blender.org/blender/blender/pulls/162843
This commit is contained in:
quackarooni 2026-08-30 19:26:32 +02:00 • committed by quackarooni
parent 08bed5b5b4
commit 9962fbfc51
1 changed files with 21 additions and 19 deletions
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40
scripts/startup/bl_operators/node.py
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@ -127,23 +127,6 @@ class NodeOperator:
options={'SKIP_SAVE'},
)
@classmethod
def description(cls, _context, properties):
from nodeitems_builtins import node_tree_group_type
nodetype = properties["type"]
if nodetype in node_tree_group_type.values():
for setting in properties.settings:
if setting.name == "node_tree":
node_group = eval(setting.value)
if node_group.description:
return node_group.description
bl_rna = bpy.types.Node.bl_rna_get_subclass(nodetype)
if bl_rna is not None:
return tip_(bl_rna.description)
else:
return ""
# Deselect all nodes in the tree.
@staticmethod
def deselect_nodes(context):
@ -544,8 +527,27 @@ class NodeSwapOperator(NodeOperator):
new_node.inputs[0].default_value = int(old_selector_value)
class SingleNodeOperator:
@classmethod
def description(cls, _context, properties):
from nodeitems_builtins import node_tree_group_type
nodetype = properties["type"]
if nodetype in node_tree_group_type.values():
for setting in properties.settings:
if setting.name == "node_tree":
node_group = eval(setting.value)
if node_group.description:
return node_group.description
bl_rna = bpy.types.Node.bl_rna_get_subclass(nodetype)
if bl_rna is not None:
return tip_(bl_rna.description)
else:
return ""
# Simple basic operator for adding a node.
class NODE_OT_add_node(NodeAddOperator, Operator):
class NODE_OT_add_node(NodeAddOperator, SingleNodeOperator, Operator):
"""Add a node to the active tree"""
bl_idname = "node.add_node"
bl_label = "Add Node"
@ -577,7 +579,7 @@ class NODE_OT_add_node(NodeAddOperator, Operator):
return {'CANCELLED'}
class NODE_OT_swap_node(NodeSwapOperator, Operator):
class NODE_OT_swap_node(NodeSwapOperator, SingleNodeOperator, Operator):
"""Replace the selected nodes with the specified type"""
bl_idname = "node.swap_node"
bl_label = "Swap Node"