#!/usr/bin/env python# -*- coding: utf-8 -*-# @Time    : 2019/3/4 21:49# @Author  : ChenAdong# @email   : aiswell@foxmail.comimport copyclass ProtoType:	def __init__(self):		self._object = {}	def register_object(self, name, obj):		self._object[name] = obj	def unregister_object(self, name):		del self._object[name]	def clone(self, name, **attr):		_obj = copy.deepcopy(self._object.get(name))		print(_obj)		_obj.__dict__.update(attr)		return _objif __name__ == "__main__":	class Test:		pass	t = Test()	prototype = ProtoType()	prototype.register_object("c", t)	t1 = prototype.clone("c", attr_1=1)	print(t1.attr_1)

<__main__.Test object at 0x000002340CDF2630>

1