which "dictionary with attribute-style access"?
Terry Reedy
tjreedy at udel.edu
Sat Oct 17 18:24:09 EDT 2009
Aahz wrote:
> In article <hb01po$s5v$1 at news.eternal-september.org>,
> Andreas Balogh <baloand at gmail.com> wrote:
>> My question to the Python specialists: which one is the most correct?
>> Are there restrictions with regards to pickling or copy()?
>> Which one should I choose?
>
> What's your goal? I'd probably do the dirt simple myself:
>
> class AttrDict(dict):
> def __getattr__(self, attr):
> if attr in self:
> return self[attr]
> else:
> raise AttributeError
Why the double lookup? Harking to another thread on using exceptions,
try:
return self[attr]
except KeyError:
raise AttributeError(attr)
> def __setattr__(self, attr, value):
> self[attr] = value
>
> d = AttrDict()
> d.foo = 'bar'
> print d.foo
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