Python设计模式——建造者模式

#encoding=utf-8
__author__ = ‘kevinlu1010@qq.com‘

if __name__==‘__name__‘:
    print ‘画左手‘
    print ‘画右手‘
    print ‘画左脚‘
    print ‘画右脚‘
    print ‘画胖身体‘

    print ‘画左手‘
    print ‘画右手‘
    print ‘画左脚‘
    print ‘画右脚‘
    print ‘画瘦身体‘

#encoding=utf-8
__author__ = ‘kevinlu1010@qq.com‘
from abc import ABCMeta, abstractmethod


class Builder():
    __metaclass__ = ABCMeta

    @abstractmethod
    def draw_left_arm(self):
        pass

    @abstractmethod
    def draw_right_arm(self):
        pass

    @abstractmethod
    def draw_left_foot(self):
        pass

    @abstractmethod
    def draw_right_foot(self):
        pass

    @abstractmethod
    def draw_head(self):
        pass

    @abstractmethod
    def draw_body(self):
        pass


class Thin(Builder):
    def draw_left_arm(self):
        print ‘画左手‘

    def draw_right_arm(self):
        print ‘画右手‘

    def draw_left_foot(self):
        print ‘画左脚‘

    def draw_right_foot(self):
        print ‘画右脚‘

    def draw_head(self):
        print ‘画头‘

    def draw_body(self):
        print ‘画瘦身体‘


class Fat(Builder):
    def draw_left_arm(self):
        print ‘画左手‘

    def draw_right_arm(self):
        print ‘画右手‘

    def draw_left_foot(self):
        print ‘画左脚‘

    def draw_right_foot(self):
        print ‘画右脚‘

    def draw_head(self):
        print ‘画头‘

    def draw_body(self):
        print ‘画胖身体‘


class Director():
    def __init__(self, person):
        self.person=person

    def draw(self):
        self.person.draw_left_arm()
        self.person.draw_right_arm()
        self.person.draw_left_foot()
        self.person.draw_right_foot()
        self.person.draw_head()
        self.person.draw_body()


if __name__==‘__main__‘:
    thin=Thin()
    fat=Fat()
    director_thin=Director(thin)
    director_thin.draw()
    director_fat=Director(fat)
    director_fat.draw()