def get_class_name(node):
    """
    Simple wrapper to get a _class knob off a node so that you can use standard nuke nodes like group, NoOp etc, but
    give them their own "class".

    Args:
        node (nuke.Node): A node object we want to get a class from.

    Returns:
        str: The node class.

    """
    _class = node.knobs().get("_class")

    if not _class:
        return node.Class()

    return _class.value()