[Python-Dev] Proposed 3.0 compatiblity module

[Guido van Rossum]

On 1/16/07, Phillip J. Eby <pje at telecommunity.com> wrote:
> At 03:18 PM 1/16/2007 -0800, Guido van Rossum wrote:
> >On 1/16/07, Phillip J. Eby <pje at telecommunity.com> wrote:
> > > The idea here being that, once 2.6 is widely-enough deployed that it can be
> > > assumed as a base for one's users, you can simply run the translator once,
> > > do any cleanup, and then have 3.0-clean code that also still runs for your
> > > installed base.
> > >
> > > That way, there's no chasm to leap; just a code cleanup.
> >
> >I understand; I would rather have that too, everything else being the
> >same. But everything else wouldn't be the same -- it would place many
> >more restrictions on 3.0, and the common subset would still be much
> >smaller. For me personally, the weight of the added restrictions to
> >3.0 is the killer.
>
> I don't understand; how would adding features to 2.6 restrict what you
> could add to 3.0?

Oh, as long as we're talking adding features to 2.6 I'm fine. I
thought you were proposing changes to the plans for 3.0, as in your
proposal" regarding the dict view API.

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)