[Python-Dev] 2.7 Release? 2.7 == last of the 2.x line?

Guido van Rossum guido at python.org
Wed Nov 4 16:06:55 CET 2009

On Tue, Nov 3, 2009 at 9:51 PM, Glyph Lefkowitz
<glyph at twistedmatrix.com> wrote (amongst way too many words):
> [...] For example, 2.8 could emit a deprecation
> warning for every old-style class that was defined, 2.9 could emit a
> deprecation warning for every string constant declared without a 'b' or 'u'
> prefix unless the module in question were in "3.x mode" (i.e. no-prefix ==
> 'u').

This proposal is hopelessly naive. It has been considered seriously
from all possible sides before, and there just isn't a way to make
this work. Not even with several releases as stepping points.

--Guido van Rossum (python.org/~guido)

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