unused_node.py 文件源码

def get_unused_utility_nodes():
    u"""?????????????????????

    :return: ??????????????????
    :rtype: list of unicode
    """
    utility_node_types = cmds.listNodeTypes("utility")
    utility_nodes = []
    for ul in utility_node_types:
        nodes = cmds.ls(type=ul)
        if not nodes:
            continue
        utility_nodes.extend(nodes)

    unused = []
    for u in utility_nodes:
        if not [x for x in cmds.listConnections(u) if x != "defaultRenderUtilityList1"]:
            unused.append(u)
    return unused