control.py 文件源码

def get_stack_count(node):
    """Get the number of transforms in the stack.

    :param node: Node to query.
    :return: The number of transforms in the stack.
    """
    connections = cmds.listConnections('{0}.message'.format(node), plugs=True) or []
    count = 0
    for connection in connections:
        connected_node, attribute = connection.split('.')
        if attribute == STACK_ATTRIBUTE:
            count += 1
    return count