[users at bb.net] Twisted issue or?

[Pierre Tardy]

Twisted does not upgrade itself, but there might be in your dockerfile some
of the command which does.
- is there a pip install -U somewhere?
- Is there some worker build or master shell command running some pip later
in the build, which could overwrite twisted in the middle of buildbot
running? If so, you should separate the virtualenv of the master/worker,
and the virtualenv of your builds

It will be really hard to help without the full dockerfile, or a simplify
dockerfile reproducing the problem

Regards
Pierre



On Wed, Mar 22, 2017 at 11:50 AM Francesco Di Mizio <
francescodimizio at gmail.com> wrote:

> Hey,
>
> found myself in a strange situation. I do run custom schedulers that
> require me to hardcode the twisted version that gets installed in my bbot
> server container.
>
> RUN pip install pyvmomi \
>     bla bla .... \
>     twisted==15.5.0 \
>     "buildbot[bundle]==0.9.3"
>
> Now somehow I am failing to start it with
>
>  File "/usr/local/bin/twistd", line 17, in <module>
>     from twisted.scripts.twistd import run
>   File
> "/buildbot/master/.local/lib/python2.7/site-packages/twisted/scripts/twistd.py",
> line 13, in <module>
>     from twisted.application import app
>   File
> "/buildbot/master/.local/lib/python2.7/site-packages/twisted/application/app.py",
> line 17, in <module>
>     from twisted import copyright, plugin, logger
>   File
> "/buildbot/master/.local/lib/python2.7/site-packages/twisted/plugin.py",
> line 35, in <module>
>     from twisted.python import log
>   File
> "/buildbot/master/.local/lib/python2.7/site-packages/twisted/python/log.py",
> line 26, in <module>
>     from twisted.logger import (
>   File
> "/buildbot/master/.local/lib/python2.7/site-packages/twisted/logger/__init__.py",
> line 89, in <module>
>     from ._levels import InvalidLogLevelError, LogLevel
>   File
> "/buildbot/master/.local/lib/python2.7/site-packages/twisted/logger/_levels.py",
> line 9, in <module>
>     from constantly import NamedConstant, Names
>
> Now constantly doesnt exist in the container and never did because in fact
> I never needed it.
>
> It looks like that twisted code being run is not 15.5 I've installed but a
> newer version. In particular the following line:
>
> from constantly import NamedConstant, Names
>
> was different in 15.5. As a matter of fact
>
> cat /usr/local/lib/python2.7/dist-packages/twisted/logger/_levels.py | more
> ....
> from twisted.python.constants import NamedConstant, Names
>
>
> So where the hell is
> /buildbot/master/.local/lib/python2.7/site-packages/twisted/logger/_levels.py
> coming from? Is twisted auto downloading/extracting latest Twisted itself
> in that folder?
>
> Thanks for hte help!
>
> Francesco
>
>
>
>
>
>
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