Python适配器模式代码实现解析-创新互联

Python适配器模式,代码,思考等

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# -*- coding: utf-8 -*-
# author:baoshan
class Computer:
  def __init__(self, name):
    self.name = name
  def __str__(self):
    return 'the {} computer'.format(self.name)
  def execute(self):
    return 'executes a program'
class Synthesizer:
  def __init__(self, name):
    self.name = name
  def __str__(self):
    return 'the {} synthesizer'.format(self.name)
  def play(self):
    return 'is playing an electronic song'
class Human:
  def __init__(self, name):
    self.name = name
  def __str__(self):
    return '{} the human'.format(self.name)
  def speak(self):
    return 'says hello'
class Adapter:
  def __init__(self, obj, adapted_methods):
    self.obj = obj
    self.__dict__.update(adapted_methods)
def __str__(self):
    return str(self.obj)
def main():
  objects = [Computer('Asus')]
  synth = Synthesizer('moog')
  objects.append(Adapter(synth, dict(execute=synth.play)))
  human = Human('Bob')
  objects.append(Adapter(human, dict(execute=human.speak)))
  for i in objects:
    print('{} {}'.format(str(i), i.execute()))
if __name__ == '__main__':
  main()

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