[Numpy-discussion] Wanted: new release manager for 1.5 and above
cournape at gmail.com
Sat Jan 16 04:01:25 EST 2010
On Sat, Jan 16, 2010 at 4:30 PM, Dag Sverre Seljebotn
<dagss at student.matnat.uio.no> wrote:
> Charles R Harris wrote:
>> On Fri, Jan 15, 2010 at 8:56 AM, David Cournapeau <cournape at gmail.com
>> <mailto:cournape at gmail.com>> wrote:
>> On Fri, Jan 15, 2010 at 11:46 PM, Ralf Gommers
>> <ralf.gommers at googlemail.com <mailto:ralf.gommers at googlemail.com>>
>> > Hi David,
>> > Here are some questions to get a clearer idea of exactly what's
>> involved in
>> > / required for making a release.
>> > On Thu, Jan 14, 2010 at 2:34 PM, David Cournapeau
>> <david at silveregg.co.jp <mailto:david at silveregg.co.jp>>
>> > wrote:
>> >> Charles R Harris wrote:
>> >> >
>> >> >
>> >> > What is the setup one needs to build the installers? It might
>> be well to
>> >> > document that, the dependencies, and the process.
>> >> Right. The top script is:
>> >> http://projects.scipy.org/numpy/browser/trunk/release.sh
>> >> the bulk of the work is in :
>> >> http://projects.scipy.org/numpy/browser/trunk/pavement.py
>> >> which describes what is needed to build installers. On mac os x, the
>> >> release script may be used as is to build every installer + the
>> >> notes.
>> > Is it necessary to have OS X to build the dmg installer, or could
>> you build
>> > that from linux with some modifications to the build script?
>> You cannot cross compile python extensions, so you have to build
>> installer on each platform. Mac Os X is the most practical because you
>> can build windows installers under wine, so you can build both mac and
>> windows installers from the same machine.
>> The paver script + the shell script can build everything in one step
>> thanks to this.
>> > How many combinations do you test manually? All supported Python
>> versions on
>> > all platforms? Several Linux flavors?
>> I basically assume that linux works once the branch is stabilized, if
>> only because that's what most developers use. It is important to test
>> on the oldest supported python (2.4) and both 32 and 64 bits, though
>> (especially python 2.4 on 64 bits).
>> I never test the installers - this is too much work manually. Ideally,
>> this should be done on a build/test farm.
>> > For someone new to packaging, how much time would you estimate it
>> takes to
>> > do a single release? Is most of this time spent testing, or
>> fixing the
>> > problems you find during testing?
>> Most of the time is spent on fixing build issues which crop up during
>> the beta phase. I found difficult to enforce a strict policy on not
>> changing anything unless critical once in the beta phase. I think we
>> should improve things in that aspect, and go away from the "but this
>> is a small fix" mentality - maybe using something like for the linux
>> kernel, with merge windows, etc... I secretly hope that if we can
>> regularly change release managers, it will give a sense of why this is
>> good policy :)
>> I feel that we have improved things quite a bit since I have started
>> doing releases: the binary installers are more stable, and build are
>> mostly automated now. The next step would be automated testing of the
>> binary installers (in particular testing new numpy against scipy,
>> etc...), but this is quite a bit of work.
>> Having a stricter time-based policy would be good as well.
>> > Do you have an idea about when to start preparing for the release
>> of 1.4.1?
>> The cython thing is the most problematic bug, and should be fixed
>> ASAP. I am still not sure whether that would require both a numpy
>> 1.4.1 and a scipy 0.7.1.1 (built against numpy 1.3.0).
>> Speaking of the cython thing, do you know if the last release of cython
>> (0.12) fixes that problem?
> If you people referred to this "thing" in slightly more detail, I could
> probably answer that :-)
> (If you mean the problems with building a binary for more than one
> version of NumPy at once, then no, I don't believe that is even fixed in
> trunk yet, though it is trivial to do so its just to remember to do it
> before 0.12.1.)
I thought the fix 9d8b2ecef24a (on cython-devel branch) by was
supposed to fix it ? I try to apply this to cython-stable, but there
were some issues, and did not want to waste time on it since it may be
trivial to do for someone familiar with cython internals.
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