[Numpy-discussion] Travis-CI stopped supporting Python 3.1, but added 3.3

Nathaniel Smith njs at pobox.com
Fri Dec 21 15:05:14 EST 2012

On Fri, Dec 21, 2012 at 1:23 AM, Ondřej Čertík <ondrej.certik at gmail.com> wrote:
> Hi,
> I noticed that the 3.1 tests are now failing. After clarification with
> the Travis guys:
> https://groups.google.com/d/topic/travis-ci/02iRu6kmwY8/discussion
> I've submitted a fix to our .travis.yml (and backported to 1.7):
> https://github.com/numpy/numpy/pull/2850
> https://github.com/numpy/numpy/pull/2851
> In case you were wondering. Do we need to support Python 3.1?
> We could in principle test 3.1 just like we test 2.4. I don't know if
> it is worth the pain.

It probably isn't much pain, since Python is easy to compile, and I
don't think we've been running into many cases where supporting 3.1
required workarounds yet? (As compared to 2.4, where we get
compatibility-breaking patches constantly.)

It's a crude metric and I'm not sure what conclusion it suggests, but
we have download stats for the different python-version-specific
pre-built numpy binaries:

It looks like python 2.5 is several times more popular than 3.1, and
its popularity is dropping quickly. (30% fewer downloads so far for
1.6.2 than 1.6.1, even though 1.6.2 has more downloads overall.)


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