cpython/Lib/UserDict.py
1997-10-06 17:50:04 +00:00

34 lines
1.1 KiB
Python

# A more or less complete user-defined wrapper around dictionary objects
class UserDict:
def __init__(self): self.data = {}
def __repr__(self): return repr(self.data)
def __cmp__(self, dict):
if type(dict) == type(self.data):
return cmp(self.data, dict)
else:
return cmp(self.data, dict.data)
def __len__(self): return len(self.data)
def __getitem__(self, key): return self.data[key]
def __setitem__(self, key, item): self.data[key] = item
def __delitem__(self, key): del self.data[key]
def clear(self): return self.data.clear()
def copy(self):
import copy
return copy.copy(self)
def keys(self): return self.data.keys()
def items(self): return self.data.items()
def values(self): return self.data.values()
def has_key(self, key): return self.data.has_key(key)
def update(self, other):
if type(other) is type(self.data):
self.data.update(other)
else:
for k, v in other.items():
self.data[k] = v
def get(self, key, failobj=None):
if self.data.has_key(key):
return self.data[key]
else:
return failobj