How to Retrieve All Connections from a ufe.Attribute Object

tearcandy — Wed, 05 Mar 2025 06:25:37 GMT

Hello everyone,

I am trying to retrieve all connections from a ufe.Attribute object. Here's what I'm doing:

I obtain the attrs from a sceneItem using ufe.Attributes.attributes(sceneItem).
I iterate over attrs.attributeNames(), and for each attribute name, I retrieve the corresponding ufe.Attribute object using attrs.attribute(attrName).
I then attempt to get the connections from the ufe.Attribute object using a ufe.Connections object.

However, I am encountering the following error:

MyCode :

import maya.internal.common.utils.material as mtl_utils def getAssignedMtlx(shape): mtlxNodes = sorted([x for x in mtl_utils.findRelatedShadingNodesForShape(shape) if "%" in x], key=lambda f:len(f)) if not mtlxNodes: return None return mtlxNodes[0] for sh in mc.listRelatives("Asset", ad=1, type="shape"): surItem = ufe.SceneItem(ufe.PathString.path(getAssignedMtlx(sh))) attrs = ufe.Attributes.attributes(surItem) for attrName in attrs.attributeNames(): attr = attrs.attribute(attrName) conns = ufe.Connections() conns.connections(attr, ufe.Connections.AttributeType.ATTR_ANY)

Error Message :

# Error: Tried to call pure virtual function "Connections::allConnections" # # Traceback (most recent call last): # # File "<maya console>", line 7, in <module> # # RuntimeError: Tried to call pure virtual function "Connections::allConnections"

Am I using the correct approach to retrieve all connections from a ufe.Attribute object? If not, what is the proper way to achieve this?

Any guidance would be greatly appreciated!

Thanks in advance!

topic How to Retrieve All Connections from a ufe.Attribute Object in Maya Programming Forum

How to Retrieve All Connections from a ufe.Attribute Object