[Python-Dev] Add a "transformdict" to collections

[Antoine Pitrou]

Le Tue, 10 Sep 2013 09:49:28 -0400,
Barry Warsaw <barry at python.org> a écrit :
> On Sep 10, 2013, at 12:04 PM, Victor Stinner wrote:
> 
> >The http.client and email.message modules convert headers to lower
> >case, but keep the original case.
> 
> As RDM pointed out on the tracker, email headers aren't a great use
> case for this because they aren't really dictionaries.  They're lists
> with some dict-like syntax.

defaultdict(list)?