text: #!/usr/bin/env python
  # -*- encoding: utf-8 -*-
  """
      Topic: python中的抽象基类
      Desc : 
  """
  from abc import ABCMeta, abstractmethod, abstractproperty
  
  __author__ = 'Xiong Neng'
  
  
  class Foo(metaclass=ABCMeta):
      @abstractmethod
      def spam(self, a, b):
          """子类给我必须实现这个抽象方法"""
          pass
  
      @abstractproperty
      def name(self):
          """子类给我必须实现这个特性"""
          pass
  
  
  class Grok():
      def spam(self, a, b):
          print("Grok...")
  
  
  def main():
      Foo.register(Grok)  # 向抽象基类注册
      pass
  
  
  if __name__ == '__main__':
      main()
  