Files
num2words/pynum2word/orderedmapping.py
2011-06-07 17:28:19 +03:00

35 lines
890 B
Python

'''
Module: orderedmapping.py
Version: 1.0
Author:
Taro Ogawa (tso@users.sourceforge.org)
Copyright:
Copyright (c) 2003, Taro Ogawa. All Rights Reserved.
Licence:
This module is distributed under the Lesser General Public Licence.
http://www.opensource.org/licenses/lgpl-license.php
'''
from __future__ import generators
class OrderedMapping(dict):
def __init__(self, *pairs):
self.order = []
for key, val in pairs:
self[key] = val
def __setitem__(self, key, val):
if key not in self:
self.order.append(key)
super(OrderedMapping, self).__setitem__(key, val)
def __iter__(self):
for item in self.order:
yield item
def __repr__(self):
out = ["%s: %s"%(repr(item), repr(self[item])) for item in self]
out = ", ".join(out)
return "{%s}"%out