[users at bb.net] Buildbot on Mac OS X

[Pierre Tardy]

Le mar. 26 janv. 2016 à 21:49, Craig Treleaven <ctreleaven at cogeco.ca> a
écrit :

> Just to be clear, two of us from the MacPorts project have said that we
> want to fix our port.  It appears that a fork of sqlalchemy-migrate has
> emerged that (presumably) works with current versions of sqlalchemy.  (With
> Python 3 support, I believe.)
>

I Craig, I did not realize you were part of the macport team, and didn't
want to be rude.


> Surely the Buildbot project would want to move forward with a module that
> is being supported rather than stick with an old version?  If that fork is
> incompatible with Buildbot, perhaps there is another, better version?
>
It is very hard for us to keep up with the evolution of all our
dependencies, we get more or less 1 regression every other month because a
dependency incompatible change.
We try to change our code in order to be compatible, but sometimes it looks
like too much work so we just lazily add a rule in our setup.py to enforce
that this or that dependency is fixed to a particular version.

Looking at setup.py only the following package have restrictions:
        'sqlalchemy >= 0.6, <= 0.7.10',
        'sqlalchemy-migrate==0.7.2',
        'pylint==1.1.0',

We know that this is not very cool for our distro package maintainers, but
as virtualenv is so easy to use, and resolves the python dependency hell so
well for us, its hard for us to find the motivation to resolve those bugs.


I’m not a Python guy—I’ve essentially gone down the rabbit hole trying to
> set up an OS X builder for MythTV.
>

If this is only that, you can safely install a buildbot "slave" (will soon
be renamed as "worker") package only, which has much less dependencies.


> ‘virtualenv’ is just another layer between me and the problem that I’d
> rather be solving.  It looks like I’m going to go that way for the sake of
> testing my build-slave but I do want to fix our buildbot port.
>

I am not exactly sure how hard it will be to fix buildbot to release the
restriction on sqlalchemy, as this is the db part, everybody is a little
bit scary touching that.
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