[Python-Dev] PEP 407 / splitting the stdlib

Barry Warsaw barry at python.org
Thu Jan 19 13:00:35 CET 2012

On Jan 19, 2012, at 12:17 PM, Antoine Pitrou wrote:

>The main problem I see with this is that Python 3 was a big
>disruptive event for the community, and calling a new version "Python
>4" may make people anxious at the prospect of compatibility breakage.


The Python 3 transition is ongoing, and Guido himself at the time thought it
would take 5 years.  I think we're making excellent progress, but there are
still occasional battles just to convince upstream third party developers that
supporting Python 3 (let alone *switching* to Python 3) is even worth the
effort.  I think we're soon going to be at a tipping point where not
supporting Python 3 will be the minority position.  Even if a hypothetical
Python 4 were completely backward compatible, I shudder at the PR nightmare
that would entail.

I'm not saying there will never be a time for Python 4, but I sure hope it's
far enough in the future that you youngun's will be telling us about it in the
Tim Peters Home for Python Old Farts, where we'll smile blankly, bore you
again with stories of vinyl records, phones with real buttons, and Python
1.6.1 while you feed us our mush under chronologically arranged pictures of
BDFLs Van Rossum, Peterson, and Van Rossum.


More information about the Python-Dev mailing list