[Buildbot-devel] Hello!

Sat Apr 4 23:34:40 UTC 2015

Perspective Broker is, unfortunately, a protocol that's defined by its
implementation, and to my knowledge there's only the one
implementation.  Maintaining master/slave compatibility requires that
we continue to support it.

We had a GSoC project in 2013 to add a new master/slave protocol based
on AMP.  That never really came to fruition, unfortunately.  However,
one option for us may be to get everything *except* PB working on
Python-3.0.  Then once we have a new protocol available, we declare
that Buildbot users who need PB support must use Python-2.7, while
those who are willing to use only the new AMP-based protocol can use
Python-3.4 if they would prefer.  To take this course we'd need a way
of ensuring we don't backslide on compatibility, though -- running
everything except PB under Python-3.4 in our automated testing.

Dustin

On Mon, Mar 30, 2015 at 10:08 AM, Vasily Kuz'min <vasily at freedom-web.ru> wrote:
> I stick to the idea that we should use Twisted, replacement framework
> is fraught with negative consequences: it turns out too many
> workarounds, because of what the code can give failure :(
>
> 2015-03-30 10:21 GMT+03:00 Jørn Lomax <northlomax at gmail.com>:
>>
>>
>> On 29.03.2015 20:44, Dustin J. Mitchell wrote:
>>>
>>> That link only actually works for you, and only mentors can see
>>> proposals, but for the record Vasily's proposal is for "provide
>>> forward compatibility for Python 3".
>>>
>>> We've had a few proposals for this project, actually, and I believe
>>> all of the proposing students are on the buildbot-devel mailing list
>>> now.  So perhaps this is a good time to talk about approaches to
>>> porting Buildbot when Twisted is still not fully ported -- and in
>>> particular, Perspective Broker, on which Buildbot relies heavily, is
>>> still not ported.
>>>
>>> Dustin
>>>
>>> On Sat, Mar 28, 2015 at 6:57 PM, Vasily Kuz'min <vasily at freedom-web.ru>
>>> wrote:
>>>>
>>>> Hello everyone!
>>>>
>>>> My name is Vasily Kuzmin. I study at Lomonosov Moscow State University
>>>> and
>>>> have almost completed the undergraduate program in "Advertising and
>>>> Public
>>>> Relations" Faculty of Philosophy. From the very beginning of my
>>>> computer-related life in 2008 I was interested in Open Source world. I've
>>>> used various Linux distros, though my favorite have always been Arch and
>>>> Debian.
>>>> The main point of my interest was the administration, especially
>>>> web-development. Basically, I had to work with web-server Apache and
>>>> Nginx,
>>>> working in conjunction with PHP and MySQL. I have working experience on
>>>> how
>>>> to support debugging servlet in conjunction with Apache Tomcat and
>>>> PostgreSQL.
>>>> Recently I've started to learn Python, because I want to improve my
>>>> skills,
>>>> take a fresh look at the development of web-based applications and
>>>> finally
>>>> have an opportunity to apply my knowledge base to help the world of Open
>>>> Source. Google Summer of Code seems to be a great place to start,
>>>> especially
>>>> for the last part, so I decided to try and enter GSoC.
>>>> I chose buildbot for its simplicity and its extraordinary capabilities;
>>>> it
>>>> is a simple and convenient tool for testing and verification of code
>>>> changes. Since I already have a basic knowledge of Python and even know
>>>> about some corner cases about porting application to Python 3, I decided
>>>> that the task to provide forward compatibility for Python 3 is exactly
>>>> what
>>>> I'd like to do.
>>>>
>>>> I've filled in the proposal on the Google Melange just yesterday: I've
>>>> never
>>>> participated in GSoC or similar projects before. I especially shy of this
>>>> late proposal; I understand that it would have been certainly better to
>>>> put
>>>> my proposal earlier, but it is very hard to beat shyness. I'd definitely
>>>> like to work on this project, so I'm opened to your questions and
>>>> suggestions. You may found my proposal at the Melange site[0]
>>>>
>>>> Thanks in advance!
>>>>
>>>>
>>>> [0]http://www.google-melange.com/gsoc/proposal/review/student/google/gsoc2015/derzsky/5629499534213120
>>>>
>>>> --
>>>> С УВАЖЕНИЕМ, ВАСИЛИЙ КУЗЬМИН
>>>>
>>>> Телефон:      +7 (999) 988-00-85
>>>> E-mail:           vasily at freedom-web.ru
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
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>>>> _______________________________________________
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>>>> https://lists.sourceforge.net/lists/listinfo/buildbot-devel
>>>>
>>>
>>> ------------------------------------------------------------------------------
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>>> by Intel and developed in partnership with Slashdot Media, is your hub for
>>> all
>>> things parallel software development, from weekly thought leadership blogs
>>> to
>>> news, videos, case studies, tutorials and more. Take a look and join the
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>>>
>> I'm not that familiar with Perspective Broker, but are there any known
>> alternatives that could be used as a temporary replacement? Not sure if it
>> is a viable option though, since both the master and slave use pb and it
>> would most likely have to be replaced in both, which is probably quite a big
>> task. But it might be nice just to explore the possibility. The more you
>> know the better you can make an informed decision.
>>
>> Porting pb is always an option. I have tried looking through the source for
>> it, but github is still a little slow for me (don't know if they are still
>> experiencing ddos) so It's hard to see how much code that would need
>> porting. From what i have seen though, the twisted.spread library is pretty
>> self contained and should be fairly portable
>>
>> A third option I can think of is using the past module[1], which is part of
>> the python-future[2] library. It made to for just this use case, where a
>> project relies on a library that is not ported yet. The downside is that it
>> is very new and still experimental so our mileage may vary
>>
>>
>> [1]https://pypi.python.org/pypi/past/
>> [2]http://python-future.org/
>>
>> regards
>> Jørn Lomax
>
>
>
> --
> С УВАЖЕНИЕМ, ВАСИЛИЙ КУЗЬМИН
>
> Телефон:      +7 (999) 988-00-85
> E-mail:           vasily at freedom-web.ru