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From: Frank Millman <frank@chagford.com>
Subject: Re: Question about defaultdict
Date: Sat, 23 Feb 2013 12:49:37 +0200
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Xref: csiph.com comp.lang.python:39657

On 23/02/2013 12:13, Frank Millman wrote:
> Hi all
>
> I use a dictionary as a cache, and I thought that I could replace it
> with collections.defaultdict, but it does not work the way I expected
> (python 3.3.0).
 >
[...]
>
> from collections import defaultdict
> my_cache = defaultdict(fetch_object)
> my_obj = my_cache['a']
>
> It does not work, because fetch_object() is called without any arguments.

Thanks, Chris and Peter. Some nice ideas to choose from :-)

Frank