2010/10/31 Glenn Linderman <[email protected]>: > On 10/31/2010 2:02 PM, Benjamin Peterson wrote: > > 2010/10/31 Antoine Pitrou <[email protected]>: > >> On Sun, 31 Oct 2010 16:39:44 -0400 >> Eric Smith <[email protected]> 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. > > Other than the language moratorium, why are arbitrary mappings not allowed > for the (**d) syntax?
They are; they're just copied into a dictionary. -- Regards, Benjamin _______________________________________________ Python-Dev mailing list [email protected] http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
