[Python-Dev] str.format_from_mapping

[Antoine Pitrou]

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)?