#!/usr/bin/python
# -*- coding : utf-8 -*-

"""
    @author: Diogenes Augusto Fernandes Herminio 
    https://gist.github.com/420905#file_builder_python.py
"""

# Director
class Director(object):
    def __init__(self):
        self.builder = None

    def construct_building(self):
        self.builder.new_building()
        self.builder.build_floor()
        self.builder.build_size()

    def get_building(self):
        return self.builder.building

# Abstract Builder
class Builder(object):
    def __init__(self):
        self.building = None

    def new_building(self):
        self.building = Building()

# Concrete Builder
class BuilderHouse(Builder):
    def build_floor(self):
        self.building.floor ='One'

    def build_size(self):
        self.building.size = 'Big'

class BuilderFlat(Builder):
    def build_floor(self):
        self.building.floor ='More than One'
        
    def build_size(self):
        self.building.size = 'Small'

# Product
class Building(object):
    def __init__(self):
        self.floor = None
        self.size = None

    def __repr__(self):
        return 'Floor: %s | Size: %s' % (self.floor, self.size)

# Client
if __name__== "__main__":
    director = Director()
    director.builder = BuilderHouse()
    director.construct_building()
    building = director.get_building()
    print(building)
    director.builder = BuilderFlat()
    director.construct_building()
    building = director.get_building()
    print(building)