On Mon, 2009-10-05 at 15:52 +0200, Ralph Heinkel wrote:
> Hi,
>
> We have an automatic build system with scons and through this we want
> to initialize djangos tables.
>
> This is a weird problem:
> - If I run "python manage.py syncdb" from my unix shell,
> all tables are nicely created.
> - If run run the same command from a SConstruct script,
> only django's system tables are created but none of my
> own models!!
>
> How can this be? No errors are shown, it is like my models do not exist.
>
> The SConstruct looks like this:
>
> env.Command('initdb', '', 'python manage.py syncdb --noinput')
>
>
>
> Trying to find out what's going on I changed the scons command to
>
> env.Command('initdb', '', '/bin/bash')
>
> So a new shell is started for this target. If I then manually type
> "python manage.py syncdb" in this subshell I can indeed reproduce this
> problem -- none of my models is found/created, only system tables are
> created!! After leaving the subshell (and hence scons) everything
> works fine again.
>
> Anyone any clue??
>
> Thanks,
>
> Ralph
>
>
> (opensuse 11.0, django 1.1, python 2.6, scons 1.2.0)
>
At a guess, the sub interpreter is not getting the same PYTHONPATH as
the parent. Therefore, when django enumerates the apps to sync for, your
app + models are not found, and therefore not synched.
That is an absolute guess, confirm by verifying the values of PYTHONPATH
in original shell and scons created subshell.
Cheers
Tom
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