def get_parent_list(topic_type):
    """Get list of topic type's super types, including topic type itself."""
    __result_types = []
    __result_types.append(topic_type)
    __t = topic_type
    while __t.parent != None:
        __result_types.insert(0, __t.parent)
        __t = __t.parent
    return __result_types