Re: Committer nominations - Indra Talip and Stefan Richthofer

+1 (or perhaps +2 is more appropriate).

Welcome Indra and Stefan. Thanks for your great work.

Alan.


On Wed, Sep 17, 2014 at 11:51 PM, Jim Baker <[email protected]> wrote:

> I would like to nominate both Indra Talip and Stefan Richthofer to become
> committers on Jython.
>
> I have personally worked with both Indra and Stefan in getting their
> patches and pull requests accepted and in trunk. In both cases, they have
> made fantastic contributions, presented their work at Python conferences,
> been involved in Jython sprints, submitted bugs, and been active on our
> mailing lists. They are clearly qualified to join our group of committers,
> and I hope to see this level of contribution to continue with us in this
> new role.
>
> *Indra Talip* has made numerous contributions to Jython, including on
> fixing ClassLoader leaks, memoization of codepoint computations in regular
> expressions, and in fixing defaultdict. In particular, I had a great time
> collaborating with Indra on defaultdict and making it simpler, which also
> allowed us to upgrade our inclusion of Google Guava collections to the
> latest version.
>
> I asked Indra to share something about his favorite bit of work on Jython:
>
> The bz2 fixes came about because I was interested in contributing to
>> Jython following my participation in the sprints at pycon.au in 2013 where
>> I contributed to CPython but felt that my skills were better suited towards
>> Jython. Having started using Jython by embedding first the 2.7alpha1
>> release and then a custom build from trunk, in order to pick up fixes for
>> memory leaks, codecs having static state etc, I felt that it would be great
>> if Jython could reach a full 2.7 release. As such I thought that the best
>> way of making that happen faster and to learn how Jython worked under the
>> hood was to attempt to fix some unit tests. The bz2 module seemed simple
>> enough to understand however I discovered that the rabbit hole was a little
>> deeper than I anticipated and before long I was asking my friends to talk
>> me out of refactoring it to use Jython's PEP3116 infrastructure which I
>> saw as a) simpler to understand and b) where/how the bz2 module was
>> implemented Python3 . Their response was to "just pack a parachute and
>> jump". The satisfaction of seen that land and fix so many failing unit
>> tests in not only the bz2 module but also the tar module was great :)
>
>
> Landing bz2 was a significant milestone for Jython. We would not be able
> to fully support pip, or wheel format, without this work by Indra.
>
> Bio. Indra is a senior software developer with twelve years of experience
> with the Australian government. On any given day, he develops or maintains
> software using Python, Java, C, C++, Javascript or PHP. Notable systems
> that Indra has worked on, supported and developed include a grid computing
> distributed processing system, full-text search application and most
> recently embedding Jython into a bespoke Java framework.
>
> *Stefan Richthofer* is the author of the JyNI project, which seeks to add
> complete C extension API support for Jython. But this has also meant that
> Stefan has also started to look at what Jython needs to (minimally) do to
> support JyNI in terms of additional hooks. As a consequence, Stefan and I
> have collaborated on some of the most challenging aspects of the Jython
> runtime. I particularly enjoyed the chance to sprint with him in Aachen
> Germany in August where we found ourselves discussing
> http://bugs.jython.org/issue1057 ("new style classes don't support
> __del__") in the context of these hooks. In his own words:
>
> we wondered whether this issue could be solved with this approach too. In
>> the following days I worked out a fix for issue 1057 in a way that
>> fulfilled JyNI's hooking requirement at the same time, taking care that the
>> new finalization process would not interfere with JyNI's planned garbage
>> collection approach. The finalizability of new style classes is now
>> handeled by such finalize triggers. This way, expensive finalizable objects
>> (the triggers) are only created for instances that really need them.
>
>
> Landing this support for __del__ means that objects that expect finalizer
> support for resource cleanup now actually work on Jython. This is a huge
> thing for us, especially for what we are doing in 2.7 with resource leaks
> as a whole. Stefan's ability to execute with strong testing this
> significant change indicates he is ready to be a committer.
>
> Bio. Stefan graduated 2009 at Ruhr-University Bochum/Germany in
> Mathematics (minor: Computer Science). Since then he has done research in
> computational neuroscience at the Institute For Neural Computation, suited
> also at  Ruhr-University. For his research on Predictable Feature Analysis
> Stefan uses Python extensively, especially NumPy and MDP (Modular Data
> Processing Toolkit). Still he considers Java to be his native programming
> language and did some projects with it. That is why he is excited about
> Jython and Java/Python integration in general. In May 2013 he started the
> JyNI project which aims to enable Jython to use native C-Python extensions (
> www.jyni.org).
>
> - Jim
>
>
>
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