[Maya-Python] Check all node types from a given full path

[yann19]

Hi all,

What is the best way that I can break apart and check all the nodes within
a given node's full path?
I am trying to check the list of nodes within the path, and should the
node/path fulfills a certain node type, it will stop iterating and store
that selection..

So far I have tried the following:
for node in set(selections):
node_split = node.split('|')
split_len = len(node_split)
for num in range(split_len):
# I need to use +2, if using a +1, a "|" will be returned...
num = num + 2
item = "|" + "|".join(node_split[1:num])
if cmds.nodeType(item) == "customType":
print item

It seems to work for my cause but wondering if there is a better way to
deal with this?

[Michael Kato]

For this my preference would be using PyMel doing something like this

import pymel.core as pm
selections = pm.ls(sl=True)
for node in set(selections):
allParents = node.getAllParents()
print allParents

Hope that helps!

Post by yann19
Hi all,
What is the best way that I can break apart and check all the nodes within
a given node's full path?
I am trying to check the list of nodes within the path, and should the
node/path fulfills a certain node type, it will stop iterating and store
that selection..
node_split = node.split('|')
split_len = len(node_split)
# I need to use +2, if using a +1, a "|" will be returned...
num = num + 2
item = "|" + "|".join(node_split[1:num])
print item
It seems to work for my cause but wondering if there is a better way to
deal with this?

[yann19]

Possible to do it not without the use of pymel?

[Justin Israel]

Assuming your selections list are proper full paths, what about something
like this:

selections = [
'|path|to|my|node',
]

for node in set(selections):
item = node
while item:
print item
item = item.rsplit('|', 1)[0]

Post by yann19
Possible to do it not without the use of pymel?
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[yann19]

Thank you all, I chanced upon a method and compiled the following code:

def node_type_iteration(path_lists):
for path in set(path_lists):
current_object = cmds.listRelatives(path, parent = True, fullPath =
True ) or []
while current_object:
# Set the condition here...
if cmds.nodeType(current_object[0]) == "customType":
return current_object[0]
else:
current_object = cmds.listRelatives( current_object, parent
= True, fullPath = True )
return None

[Marcus Ottosson]

If I understand the goal, then something like this might work.

from maya import cmds
cmds.listRelatives("|group1", type="nurbsCurve", allDescendents=True)

If there’s a nurbsCurve on any path starting with |group1, then this would
return it.

*Test scene*

cmds.file(new=True, force=True)
circle = cmds.circle()
cube = cmds.polyCube()
cmds.select(circle + cube)
group = cmds.group()

found = cmds.listRelatives(group, type="nurbsCurve",
allDescendents=True)assert found[0] == cmds.listRelatives(circle[0],
shapes=True)[0]

Post by yann19
current_object = cmds.listRelatives(path, parent = True, fullPath
= True ) or []
# Set the condition here...
return current_object[0]
current_object = cmds.listRelatives( current_object,
parent = True, fullPath = True )
return None
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