atsuya046

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

"""http://python-3-patterns-idioms-test.readthedocs.org/en/latest/Singleton.html"""

class OnlyOne:
	class __OnlyOne:
		def __init__(self, arg):
			self.val = arg

atsuya046

# -*- coding utf-8 -*-

"""http://ginstrom.com/scribbles/2007/10/08/design-patterns-python-style/"""

class JapaneseGetter:
	"""A simple localizer a la gettext"""
	def __init__(self):
		self.trans = dict(dog="犬", cat="猫")

	def get(self, msgid):

atsuya046

# -*- coding: utf-8 -*-

"""http://code.activestate.com/recipes/131499-observer-pattern/"""

class Subject(object):
	def __init__(self):
		self._observers = []

	def attach(self, observer):
		if not observer in self._observers:

atsuya046

# -*- coding: utf-8 -*-


class Handler:
	def successor(self, successor):
		self.successor = successor


class ConcreteHandler1(Handler):
	def handle(self, request):

atsuya046

# -*- coding: utf-8 -*-

import time

class SalesManager:
	def work(self):
		print("Sales Manager working...")

	def talk(self):
		print("Sales Manager ready to talk")

atsuya046

# -*- coding: utf-8 -*-

"""http://ginstrom.com/scribbles/2007/10/08/design-patterns-python-style/

Implementation of the iterator pattern with a generator"""


def count_to(count):
	"""Counts by word numbers, up to a maximum of five"""
	numbers = ["one", "two", "three", "four", "five"]

atsuya046

# -*- coding: utf-8 -*-


""" http://ginstrom.com/scribbles/2007/10/08/design-patterns-python-style/"""


class State(object):
	"""Base state. This is to share functionality"""

	def scan(self):

atsuya046

# -*- coding: utf-8 -*-

import os

class MoveFileCommand(object):
	def __init__(self, src, dest):
		self.src = src
		self.dest = dest

	def execute(self):

atsuya046

# -*- coding: utf-8 -*-

"""http://code.activestate.com/recipes/413838-memento-closure/"""

import copy

def Memento(obj, deep=False):
	state = (copy.copy, copy.deepcopy)[bool(deep)](obj.__dict__)

	def Restore():

atsuya046

# -*- coding: utf-8 -*-

"""http://en.wikibooks.org/wiki/Computer_Science_Design_Patterns/Bridge_Pattern#Python"""

# ConcreteImplementor 1/2
class DrawingAPI1(object):
	def draw_circle(self, x, y, radius):
		print('API1.circle at {}:{} radius {}'.format(x, y, radius))