python创建只读属性对象的方法(ReadOnlyObject)

def readonlyobject(**args):
    dictbi = {}
    args_n = []
    for name, val in args.items():
        dictbi[name] = val
        args_n.append(name)
    dictbi['__slots__'] = args_n
    return type('readonlyobject', (object,), dictbi)()