Replace a custom implementation of an ordered dict in the file orderedmapping.py by collections.OrderedDict (#131)

num2words/base.py

@@ -17,14 +17,14 @@
 from __future__ import unicode_literals
 
 import math
+from collections import OrderedDict
 
 from .compat import to_s
-from .orderedmapping import OrderedMapping
 
 
 class Num2Word_Base(object):
     def __init__(self):
-        self.cards = OrderedMapping()
+        self.cards = OrderedDict()
         self.is_title = False
         self.precision = 2
         self.exclude_title = []
@@ -39,7 +39,7 @@ class Num2Word_Base(object):
         self.setup()
         self.set_numwords()
 
-        self.MAXVAL = 1000 * self.cards.order[0]
+        self.MAXVAL = 1000 * list(self.cards.keys())[0]
 
     def set_numwords(self):
         self.set_high_numwords(self.high_numwords)

num2words/orderedmapping.py

@@ -1,36 +0,0 @@
-# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
-# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
-
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Lesser General Public License for more details.
-# You should have received a copy of the GNU Lesser General Public
-# License along with this library; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-# MA 02110-1301 USA
-
-
-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