#!/usr/bin/env python # # // ""--.._ # || (_) _ "-._ # || _ (_) '-. # || (_) __..-' # \\__..--"" # import abc class MakeMeal: __metaclass__ = abc.ABCMeta @abc.abstractmethod def prepare(self): @abc.abstractmethod def cook(self): @abc.abstractmethod def eat(self): def go(self): self.prepare() self.cook() self.eat() class MakeTea(object): pass class MakePizza(MakeMeal): pass def dinner_time(): makeTea = MakeTea() makeTea.go() makePizza = MakePizza() makePizza.go() if __name__ == "__main__": dinner_time() for subclass in MakeMeal.__subclasses__(): print subclass.__name__
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