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Wed Mar 11 21:49:15 CET 2009 · https://mail.python.org/pipermail/python-dev/2009-March/087082.html

On Wed, Mar 11, 2009 at 13:20, Benjamin Peterson <benjamin at python.org>wrote:

> 2009/3/11 Eric Smith <eric at trueblade.com>:
> > I'm implementing support for auto-numbering of str.format() fields (see
> > http://bugs.python.org/issue5237). I'm reasonably sure that when I'm
> done
> > modifying the C implementation I'll need to change the signatures of
> > string.Formatter._vformat, str._formatter_parser, and/or
> > str._formatter_field_name_split. (They need to support the state needed
> to
> > track the auto-number field counter.)
> >
> > I've always considered these internal implementation details of
> str.format
> > and string.Formatter. They begin with underscores and are not documented.
> >
> > Is there any problem with modifying these in 2.7 and 3.1? I assume not,
> but
> > I want to make sure it doesn't give anyone heartburn.
>
> Certainly sounds fine with me.

Even though the Great Release Manager of 3.1 said it was fine, I will toss
in my support with it being okay to modify them.

-Brett
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[Python-Dev] Can I modify string.Formatter._vformat?