Is there anything holding up PEP 515 at this point in terms of acceptance
or implementation?

On Sat, 19 Mar 2016 at 11:56 Guido van Rossum <gu...@python.org> wrote:

> All that sounds fine!
>
> On Sat, Mar 19, 2016 at 11:28 AM, Stefan Krah <ste...@bytereef.org> wrote:
> > Guido van Rossum <guido <at> python.org> writes:
> >> So should the preprocessing step just be s.replace('_', ''), or should
> >> it reject underscores that don't follow the rules from the PEP
> >> (perhaps augmented so they follow the spirit of the PEP and the letter
> >> of the IBM spec)?
> >>
> >> Honestly I think it's also fine if specifying this exactly is left out
> >> of the PEP, and handled by whoever adds this to Decimal. Having a PEP
> >> to work from for the language spec and core builtins (int(), float()
> >> complex()) is more important.
> >
> > I'd keep it simple for Decimal: Remove left and right whitespace (we're
> > already doing this), then remove underscores from the remaining string
> > (which must not contain any further whitespace), then use the IBM
> grammar.
> >
> >
> > We could add a clause to the PEP that only those strings that follow
> > the spirit of the PEP are guaranteed to be accepted in the future.
> >
> >
> > One reason for keeping it simple is that I would not like to slow down
> > string conversion, but thinking about two grammars is also a problem --
> > part of the string conversion in libmpdec is modeled in ACL2, which
> > would be invalidated or at least complicated with two grammars.
> >
> >
> >
> > Stefan Krah
> >
> > _______________________________________________
> > Python-Dev mailing list
> > Python-Dev@python.org
> > https://mail.python.org/mailman/listinfo/python-dev
> > Unsubscribe:
> https://mail.python.org/mailman/options/python-dev/guido%40python.org
>
>
>
> --
> --Guido van Rossum (python.org/~guido)
> _______________________________________________
> Python-Dev mailing list
> Python-Dev@python.org
> https://mail.python.org/mailman/listinfo/python-dev
> Unsubscribe:
> https://mail.python.org/mailman/options/python-dev/brett%40python.org
>
_______________________________________________
Python-Dev mailing list
Python-Dev@python.org
https://mail.python.org/mailman/listinfo/python-dev
Unsubscribe: 
https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com

Reply via email to