测者的测试技术手册：Python的抽象工厂类

抽象工厂模式，提供一个建立一系列相关或相互依赖对象的接口，而无须指定它们具体的类。属于对象建立型模式。

#!/usr/bin/env python # -*- coding: utf-8 -*- #__from__ = ' abstract_factory ' 
#__author__ = ' Mr.Tester CrissChan ' 
#__instruction__ = '抽象工厂模式,打印纸例子' 
class AbstraceFactroy  ( object ) :     def getSize ( self ) :          return  Size()    def getColor ( self ):           return  Colour() class Size ( AbstraceFactroy ) :      @ staticmethod      def sizeFactory (type):              if type == ' A4 ' :               return A4()         if type == ' A3 ' :            return A3() class A4 ( Size ) :      def __init__ ( self ) :          print ' A4 \'s size : 210 mm × 297 mm ' class A3 ( Size ) : def __init__ ( self ) : print ' A3 \'s size : 297 mm×420 mm‘ class Colour ( AbstraceFactroy ) : @ staticmethod def colorFactory ( type ) : if type == 'White' : return White( ) if type == ' Color ' : return Color() class White ( Colour ) : def __init__ ( self ) : print ' This  is a white paper' class Color ( Colour ) : def __init__ ( self ) : print ' This is a color paper ' if __name__ == ' __main__ ' : abstractFactory = AbstraceFactroy () types = Size.__subclasses__ () for type in types : size = abstractFactory.getSize().sizeFactory( type.__name__ ) types = Colour.__subclasses__() for type in types: colour = abstractFactory.getColor().colorFactory( type.__name__ )复制代码