def bnn_get(cls, pattern, types=None):
"""Retrieve a node.
Parameters
----------
pattern : str
Name or path pattern of the node to match. Wildcards are allowed.
types : list of maya.OpenMaya.MFn.Type, optional
Node types to match.
Returns
-------
maya.OpenMaya.MObject
The object of the node matched. If no or multiple
nodes were found, None is returned.
"""
iterator = OpenMaya.bnn_MItDependencyNode(pattern=pattern, types=types)
object = None
for item in iterator:
if object:
return None
object = item
return object
def bnn_find(cls, pattern=''):
"""Find nodes.
Parameters
----------
pattern : str, optional
Name or path pattern of the nodes to match. Wildcards are allowed.
Returns
-------
list of calling class
The nodes found. If no nodes were found, an empty
list is returned.
"""
return [cls(node) for node
in OpenMaya.bnn_MItDependencyNode(pattern=pattern,
types=cls().type())]
def bnn_find(cls, pattern='', types=None):
"""Find DAG nodes.
Parameters
----------
pattern : str, optional
Name or path pattern of the nodes to match. Wildcards are allowed.
types : list of maya.OpenMaya.MFn.Type, optional
Node types to match.
Returns
-------
list of maya.OpenMaya.MObject
The objects of the nodes found. If no nodes were
found, an empty list is returned.
"""
return list(OpenMaya.bnn_MItDependencyNode(pattern=pattern,
types=types))
def bnn_get(cls, pattern):
"""Retrieve a node.
Parameters
----------
pattern : str
Name or path pattern of the node to match. Wildcards are allowed.
Returns
-------
calling class
The node found. If no or multiple nodes were found,
None is returned.
"""
iterator = OpenMaya.bnn_MItDependencyNode(pattern=pattern,
types=cls().type())
node = None
for item in iterator:
if node:
return None
node = item
return cls(node) if node else None
