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57 lines
1.4 KiB
57 lines
1.4 KiB
from types import DictType
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from UserDict import UserDict
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class odict(UserDict):
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def __init__(self, dictOrTuple = None):
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self._keys = []
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UserDict.__init__(self, dictOrTuple)
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def __delitem__(self, key):
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UserDict.__delitem__(self, key)
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self._keys.remove(key)
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def __setitem__(self, key, item):
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UserDict.__setitem__(self, key, item)
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if key not in self._keys: self._keys.append(key)
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def clear(self):
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UserDict.clear(self)
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self._keys = []
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def copy(self):
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newInstance = odict()
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newInstance.update(self)
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return newInstance
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def items(self):
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return zip(self._keys, self.values())
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def keys(self):
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return self._keys[:]
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def popitem(self):
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try:
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key = self._keys[-1]
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except IndexError:
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raise KeyError('dictionary is empty')
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val = self[key]
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del self[key]
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return (key, val)
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def setdefault(self, key, failobj = None):
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if key not in self._keys:
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self._keys.append(key)
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return UserDict.setdefault(self, key, failobj)
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def update(self, dictOrTuple):
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if isinstance(dictOrTuple, DictType):
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itemList = dictOrTuple.items()
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else:
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itemList = dictOrTuple
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for key, val in itemList:
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self.__setitem__(key,val)
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def values(self):
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return map(self.get, self._keys)
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