That fixed my code and your right I was over thinking this, to much
coffee to little sleep.

On May 3, 2:03 pm, Christoph Zwerschke <[email protected]> wrote:
> Am 03.05.2011 17:51 schrieb Paul Kraus:
>
> >      import_flag.flag_value = 1
> >      transaction.commit()
> >     ... # Do stuff
> >      import_flag.flag_value = 0
> >      transaction.commit()
>
> You probably need to re-add import_flag to the session after the first
> commit because it empties the session, i.e.
>
> DBSession.add(import_flag)
>
> Anyway, a semaphore or lock seems to be a better solution.
>
> -- Christoph

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