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Remove user added parms: Python


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Ok now the real question. I am putting together a simple proof of concept for adding and removing shader patterns using python, and so far so good, right until I get to the removing part. Right now I am looping through the parm tuples in the previously created folder, and removing them with removeSpareParmTuple as follows:

for i in node.parmTuplesInFolder((folder, )):

It removes some of the parameters but then throws this error:

Error running callback:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "opdef:/Shop/pythonHda02?PythonModule", line 50, in deleteFolder
File "C:/PROGRA~1/SIDEEF~1/HOUDIN~1.533/houdini/python2.6libs\hou.py", line 48221, in __len__
return _hou.ParmTuple___len__(*args)
ObjectWasDeleted: Attempt to access an object that no longer exists in Houdini.

The docs say:

This method is deprecated in favor of setParmTemplateGroup.

but I fail to see how to remove parms with this method.

Any ideas on why I am getting that error and/or how to use this preferred method?


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