Python:設計模式之適配器模式

class IStickWeapon(object):
    def weapon_type(self):
        raise NotImplementedError
    def use_stick_Weapon(self):
        print(f'Use:\t{self.weapon_type()}')

class Sword(IStickWeapon):
    def weapon_type(self):
        return "Sword"

class IChopWeapon(object):
    def weapon_type(self):
        raise NotImplementedError
    def use_chop_weapon(self):
        print(f'Use:\t{self.weapon_type()}')

class Knigfe(IChopWeapon):
    def weapon_type(self):
        return "knigfe"
        
class AdapterChopWeaponToStickWeapon(IStickWeapon):
    def __init__(self,ChopWeapon):
        self.__ChopWeapon = ChopWeapon
    def use_stick_Weapon(self):
        return self.__ChopWeapon.use_chop_weapon()

class Character(object):
    def fight(self, weapon):
        raise NotImplementedError


class King(Character):
    def fight(self, weapon):
        if isinstance(weapon, type(IStickWeapon())):
            weapon.use_stick_Weapon()
        else:
            raise TypeError("This weapon is not StickWeapon")

def main():
    Peter = King()
    sword = Sword()
    knigfe = Knigfe()
    stick_knigfe = AdapterChopWeaponToStickWeapon(knigfe)
    Peter.fight(sword)
    Peter.fight(stick_knigfe)


if __name__ == "__main__":
    main()

 

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