45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
"""A more or less complete user-defined wrapper around dictionary objects."""
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__all__ = ["UserDict"]
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class UserDict:
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def __init__(self, dict=None):
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self.data = {}
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if dict is not None: self.update(dict)
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def __repr__(self): return repr(self.data)
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def __cmp__(self, dict):
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if isinstance(dict, UserDict):
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return cmp(self.data, dict.data)
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else:
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return cmp(self.data, dict)
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def __len__(self): return len(self.data)
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def __getitem__(self, key): return self.data[key]
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def __setitem__(self, key, item): self.data[key] = item
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def __delitem__(self, key): del self.data[key]
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def clear(self): self.data.clear()
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def copy(self):
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if self.__class__ is UserDict:
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return UserDict(self.data)
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import copy
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return copy.copy(self)
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def keys(self): return self.data.keys()
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def items(self): return self.data.items()
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def values(self): return self.data.values()
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def has_key(self, key): return self.data.has_key(key)
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def update(self, dict):
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if isinstance(dict, UserDict):
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self.data.update(dict.data)
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elif isinstance(dict, type(self.data)):
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self.data.update(dict)
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else:
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for k, v in dict.items():
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self.data[k] = v
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def get(self, key, failobj=None):
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return self.data.get(key, failobj)
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def setdefault(self, key, failobj=None):
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if not self.data.has_key(key):
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self.data[key] = failobj
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return self.data[key]
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def popitem(self):
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return self.data.popitem()
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