On Nov 2, 2009, at 10:48 PM, sstein...@gmail.com wrote:
A better language, i.e. Python 3.x, will become better faster without dragging the 2.x series out any longer.
If Python 2.7 becomes the last of the 2.x series, then I personally favor back porting as many features from Python 3 as possible. I still think doing so will help people migrate to Python 3 by getting their Python 2 code base as close to Python 3 as possible without biting the ultimate bullet. E.g. for me "from __future__ import absolute_import, unicode_literals" in Python 2.6 has helped quite a bit.
I also think Guido's call for feature freeze makes a lot more sense when 2.7 is the EOL. Let's give people migrating to Python 3 a nice big stable target to hit. Improving the stdlib also gives people a big carrot to move.
I think it's also necessary to give third party library and application authors as much help as possible to provide Python 3 compatible software. Putting together Python tools involves so many dependencies in a fairly deep stack that even one unconverted library can cause everything above it to stall on Python 2.
-Barry
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