On Sat, 14 Sep 2013 09:43:13 -0700 Ethan Furman <et...@stoneleaf.us> wrote: > On 09/14/2013 03:27 AM, Antoine Pitrou wrote: > > On Fri, 13 Sep 2013 21:59:11 -0700 > > Ethan Furman <et...@stoneleaf.us> wrote: > >> > >>> I mean - given no function to retrieve the canonical key, > >>> one would have to resort to: > >>> > >>> my_key = data.__transform__(given_key) > >>> for key, value in data.items(): > >>> if data.__transform__(key) == my_key: > >>> .... > >> > >> Which is exactly why I, and others, would like to have the transform > >> function easily available. Besides being able to > >> use it to get a canonical key, one could use it to get the function > >> itself. Yay, introspection! > > > > Well, no, you misunderstand :) The transform function takes an > > original key (perhaps "canonical") and returns the transformed key, it > > can't do the reverse which is what getitem() does. i.e.: > > Argh, of course you are right. > > Still, I think it would be useful to expose the transform function. > Any good reason not to?
No good reason. What's the name? transform_func? Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
