[Python-Dev] str.format_from_mapping

Eric Smith eric at trueblade.com
Thu Nov 4 01:14:27 CET 2010


On 10/31/10 4:39 PM, Eric Smith 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 like the idea. It's particularly handy when converting from %-formatting.
>
> Eric.

I've updated the issue with tests, minimal docs, and a name change to 
str.format_map. Having heard no objections and some support, I'll commit 
this shortly.

-- 
Eric.


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