frozendict (v0.1)

kj no.email at please.post
Fri Oct 8 16:02:51 CEST 2010


In <mailman.1461.1286539843.29448.python-list at python.org> "Jonas H." <jonas at lophus.org> writes:

>On 10/08/2010 02:23 AM, kj wrote:

>Here's my implementation suggestion:

>class frozendict(dict):
>     def _immutable_error(self, *args, **kwargs):
>         raise TypeError("%r object is immutable" % self.__class__.__name__)

>     __setitem__ = __delitem__ = clear = pop \
>     = popitem = setdefault = update = _immutable_error

>     def __hash__(self):
>         return hash(frozenset(self.iteritems()))

>Only 9 lines :-)

Thanks, you just answered the question I just posted, while I was
still writing it!

~kj




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