Python_建造者模式

#!/usr/bin/python
# -*- coding:utf-8 -*-
 
#建造者基类
class PersonBuilder():
    def BuildHead(self):
        pass
 
    def BuildBody(self):
        pass
 
    def BuildArm(self):
        pass
 
    def BuildLeg(self):
        pass
 
#胖子
class PersonFatBuilder(PersonBuilder):
    type = u'胖子'
    def BuildHead(self):
        print u'构建%s的头' % self.type
 
    def BuildBody(self):
        print u'构建%s的身体' % self.type
 
    def BuildArm(self):
        print u'构建%s的手' % self.type
 
    def BuildLeg(self):
        print u'构建%s的脚' % self.type
 
#瘦子
class PersonThinBuilder(PersonBuilder):
    type = u'瘦子'
    def BuildHead(self):
        print u'构建%s的头' % self.type
 
    def BuildBody(self):
        print u'构建%s的身体' % self.type
 
    def BuildArm(self):
        print u'构建%s的手' % self.type
 
    def BuildLeg(self):
        print u'构建%s的脚' % self.type
 
#指挥者
class PersonDirector():
    pb = None;
    def __init__(self, pb):
        self.pb = pb
 
    def CreatePereson(self):
        self.pb.BuildHead()
        self.pb.BuildBody()
        self.pb.BuildArm()
        self.pb.BuildLeg()
 
def clientUI():
    pb = PersonThinBuilder()
    pd = PersonDirector(pb)
    pd.CreatePereson()
 
    pb = PersonFatBuilder()
    pd = PersonDirector(pb)
    pd.CreatePereson()
    return
 
if __name__ == '__main__':
    clientUI();