[Python-Dev] PEP 461 Final?

Ethan Furman ethan at stoneleaf.us
Mon Jan 20 08:56:09 CET 2014

On 01/19/2014 11:10 PM, Stephen J. Turnbull wrote:
> Ethan Furman writes:
>   > > This argument is specious.
>   >
>   > I don't think so.  I think it's a good argument for the future of
>   > Python code.
> I agree that restricting bytes '%'-formatting to ASCII is a good idea,
> but you should base your arguments on a correct description of what's
> going on.  It's not an issue of representability.  It's an issue of
> "we should support this for ASCII because it's a useful, nearly
> universal convention, and we should not support ASCII supersets
> because that leads to mojibake."
>   > Then you could have your text /and/ your numbers be in your own
>   > language.
> My language uses numerals other than those in the ASCII repertoire in
> a rather stylized way.  I can't use __format__ for that, because it
> depends on context, anyway.  Most of the time the digits in the ASCII
> set are used (especially in tables and the like).  I believe that's
> true for all languages nowadays.
>   > Lots of features can be abused.  That doesn't mean we shouldn't
>   > talk about the intended use cases and encourage those.
> I only objected to claims that issues of "representability" and "what
> I can do with __format__" support the preferred use cases, not to
> descriptions of the preferred use cases.

Thank you.  I appreciate your time.


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