[Python-Dev] str.format_from_mapping
Benjamin Peterson
benjamin at python.org
Sun Oct 31 22:02:08 CET 2010
2010/10/31 Antoine Pitrou <solipsis at pitrou.net>:
> On Sun, 31 Oct 2010 16:39:44 -0400
> Eric Smith <eric at trueblade.com> wrote:
>
>> What are your thoughts on adding a str.format_from_mapping (or similar
>> name, maybe the suggested "format_map") to 3.2? See
>> http://bugs.python.org/issue6081 . This method would be similar to
>> "%(foo)s %(bar)s" % d, where d is a dict (or rather any mapping object),
>> but of course would use str.format syntax: "{foo}
>> {bar}".format_from_mapping(d).
>
> I must be missing something, but what's the difference with
> XXX.format(**d)?
It allows arbitrary mappings.
--
Regards,
Benjamin
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