def _getNodeHierarchy( version=None ):
"""
parse node hierarchy from docs and return as a list of 3-value tuples:
( nodeType, parents, children )
"""
from parsers import NodeHierarchyDocParser
parser = NodeHierarchyDocParser(version)
import pymel.util.trees as trees
nodeHierarchyTree = trees.IndexedTree(parser.parse())
return [ (x.key, tuple( [y.key for y in x.parents()]), tuple( [y.key for y in x.childs()] ) ) \
for x in nodeHierarchyTree.preorder() ]
def _getNodeHierarchy( version=None ):
"""
get node hierarchy as a list of 3-value tuples:
( nodeType, parents, children )
"""
import pymel.util.trees as trees
if versions.current() >= versions.v2012:
# We now have nodeType(isTypeName)! yay!
# For whatever reason, we can't query these objects from the hierarchy
# correctly using nodeType(isTypeName)
inheritances = {'file':[u'texture2d', u'file']}
for nodeType in cmds.allNodeTypes():
inheritance = cmds.nodeType(nodeType, inherited=True,
isTypeName=True)
if inheritance is None:
if nodeType in inheritances:
pass
else:
raise RuntimeError("Could not query the inheritance of node type %s" % nodeType)
else:
inheritances[nodeType] = inheritance
parentTree = {}
# Convert inheritance lists node=>parent dict
for nodeType, inheritance in inheritances.iteritems():
assert inheritance[-1] == nodeType
for i in xrange(len(inheritance)):
child = inheritance[i]
if i == 0:
if child == 'dependNode':
continue
else:
parent = 'dependNode'
else:
parent = inheritance[i - 1]
if child in parentTree:
assert parentTree[child] == parent
else:
parentTree[child] = parent
nodeHierarchyTree = trees.treeFromDict(parentTree)
else:
from parsers import NodeHierarchyDocParser
parser = NodeHierarchyDocParser(version)
nodeHierarchyTree = trees.IndexedTree(parser.parse())
return [ (x.value, tuple( [y.value for y in x.parents()]), tuple( [y.value for y in x.childs()] ) ) \
for x in nodeHierarchyTree.preorder() ]
