[gentoo-python] Timeframe for supporting Python versions

[Kacper Kowalik <xarthisius@gentoo.org>]

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Hi all,
I'd like to bring a discussion that was started over irc for broader
audience. Namely:
1) how long are we supposed to keep old version of Python in Portage?
2) how many version should we actively maintained?

What came up:
 * python2.5 is no longer supported upstream since May 2011 and is first
candidate for purging
 * python3.2 supersedes python3.1 without introducing any obvious
incompatibilities (at least that's what they claim here[1])

What's worth noting is that upstream itself will provide/provides new
release cycle, introducing LTS version of python[2]. First proposal by
neurogeek, is that following pep0407 we should obsolete versions of
python 6 months after upstream ceases to support them. (+1 from me on that)

Cheers
Kacper

[1] http://www.python.org/dev/peps/pep-3003/
[2] http://www.python.org/dev/peps/pep-0407/


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