Created
August 24, 2011 10:10
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A dictionary like object that supports attribute access, too.
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import copy | |
class gloss(dict): | |
""" | |
A dictionary like object that supports attribute access, too. | |
>>> import pickle | |
>>> s = gloss(a=123) | |
>>> c = s.copy() | |
>>> s | |
{'a': 123} | |
>>> s['a'] | |
123 | |
>>> s.a | |
123 | |
>>> c | |
{'a': 123} | |
>>> c.b = 456 | |
>>> s | |
{'a': 123} | |
>>> c | |
{'a': 123, 'b': 456} | |
>>> s = gloss() | |
>>> s.l = [4, 5, 6] | |
>>> s.l | |
[4, 5, 6] | |
>>> c = s.copy() | |
>>> c.l | |
[4, 5, 6] | |
>>> c.l[1] = 'X' | |
>>> c.l | |
[4, 'X', 6] | |
>>> s.l | |
[4, 5, 6] | |
>>> dir(s) | |
['l'] | |
>>> c.t = (7, 8, 9) | |
>>> dir(c) | |
['l', 't'] | |
>>> x = pickle.dumps(s) | |
>>> pickle.loads(x) | |
{'l': [4, 5, 6]} | |
>>> gloss(s) | |
{'l': [4, 5, 6]} | |
>>> gloss(s, v=1) | |
{'l': [4, 5, 6], 'v': 1} | |
""" | |
def __init__(self, *args, **kwargs): | |
dict.__init__(self, *args, **kwargs) | |
def __getitem__(self, name): | |
return super(gloss, self).__getitem__(name) | |
def __setitem__(self, key, value): | |
return super(gloss, self).__setitem__(key, value) | |
def __getstate__(self): | |
return self.items() | |
def __setstate__(self, items): | |
for key, val in items: | |
self.__dict__[key] = val | |
def __dir__(self): | |
return self.keys() | |
@property | |
def __members__(self): | |
return self.__dir__() | |
__getattr__ = __getitem__ | |
__setattr__ = __setitem__ | |
__call__ = __getitem__ | |
def copy(self): | |
new = gloss() | |
for key, val in self.__getstate__(): | |
new[key] = copy.copy(val) | |
return new | |
if __name__ == "__main__": | |
import doctest | |
doctest.testmod() |
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