Python设计模式中的结构型桥接模式

import abc

# 抽象
class Mobile(metaclass=abc.ABCMeta):
    def __init__(self, cover):
        self.cover = cover

    @abc.abstractmethod
    def buy(self):
        pass


# 实现者
class Cover(metaclass=abc.ABCMeta):
    @abc.abstractmethod
    def put(self):
        pass


# 细化抽象
class Xiaomi(Mobile):
    def buy(self):
        self.cover.put(self)

        
# 细化抽象
class Huawei(Mobile):
    def buy(self):
        self.cover.put(self)


# 细化抽象
class Iphone(Mobile):
    def buy(self):
        self.cover.put(self)


# 具体实现者
class YellowCover(Cover):
    def put(self, mobile):
        print(f"套着{self.__class__.__name__}的{mobile.__class__.__name__}")


# 具体实现者
class RedCover(Cover):
    def put(self, mobile):
        print(f"套着{self.__class__.__name__}的{mobile.__class__.__name__}")


# 具体实现者
class GreenCover(Cover):
    def put(self, mobile):
        print(f"套着{self.__class__.__name__}的{mobile.__class__.__name__}")


if __name__ == "__main__":
    red_xiaomi = Xiaomi(RedCover())
    red_xiaomi.buy()

    green_huawei = Huawei(GreenCover())
    green_huawei.buy()

    red_huawei = Huawei(RedCover())
    red_huawei.buy()

    yellow_iphone = Iphone(YellowCover())
    yellow_iphone.buy()