OK, how much time do you need? --Guido van Rossum (sent from Android phone) On Sep 9, 2013 8:44 AM, "Mark Shannon" <m...@hotpy.org> wrote:
> I would like time to investigate this further, but at the moment I think > it will either make attribute lookup poorly defined or slow. > > Of the top of my head, the problem as a I see it is basically this: > Currently, type.__getattribute__() is a fixed point in the lookup of > attributes. > The proposal means that a fixed point is not reached until the cls > parameter of type.__getattribute__() is either object or type, > otherwise type.__getattribute__() and type.__locallookup__ must bounce > back and forth. > > This will slow down *every* attribute lookup for what is a fairly obscure > use case. > > Cheers, > Mark. > > On 09/09/13 16:27, Guido van Rossum wrote: > >> Let's just accept this PEP. It looks like a nice addition to the >> metaclass machinery and I don't think we'll get much more useful feedback >> by waiting. >> >> >> On Mon, Sep 9, 2013 at 7:30 AM, Ethan Furman <et...@stoneleaf.us <mailto: >> et...@stoneleaf.us>> wrote: >> >> On 07/30/2013 11:17 PM, Ronald Oussoren wrote: >> >> >> And something I forgot to ask: is anyone willing to be the >> BDFL-Delegate for >> PEP 447? >> >> >> *Bump*. >> >> It would be nice if this could make into 3.4. >> >> -- >> ~Ethan~ >> >> ______________________________**___________________ >> Python-Dev mailing list >> Python-Dev@python.org <mailto:Python-Dev@python.org> >> >> https://mail.python.org/__**mailman/listinfo/python-dev<https://mail.python.org/__mailman/listinfo/python-dev>< >> https://mail.python.org/**mailman/listinfo/python-dev<https://mail.python.org/mailman/listinfo/python-dev> >> > >> Unsubscribe: https://mail.python.org/__** >> mailman/options/python-dev/__**guido%40python.org<https://mail.python.org/__mailman/options/python-dev/__guido%40python.org>< >> https://mail.python.org/**mailman/options/python-dev/**guido%40python.org<https://mail.python.org/mailman/options/python-dev/guido%40python.org> >> > >> >> >> >> >> -- >> --Guido van Rossum (python.org/~guido <http://python.org/~guido>) >> >> >> ______________________________**_________________ >> Python-Dev mailing list >> Python-Dev@python.org >> https://mail.python.org/**mailman/listinfo/python-dev<https://mail.python.org/mailman/listinfo/python-dev> >> Unsubscribe: https://mail.python.org/**mailman/options/python-dev/** >> mark%40hotpy.org<https://mail.python.org/mailman/options/python-dev/mark%40hotpy.org> >> >> ______________________________**_________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/**mailman/listinfo/python-dev<https://mail.python.org/mailman/listinfo/python-dev> > Unsubscribe: https://mail.python.org/**mailman/options/python-dev/** > guido%40python.org<https://mail.python.org/mailman/options/python-dev/guido%40python.org> >
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