Re: prevent AppConfig.ready() from running twice

Is there a python singleton pattern which might work?

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Melvyn Sopacua <m.r.sopacua@gmail.com> wrote:

On donderdag 21 juni 2018 16:23:23 CEST clavierplayer@gmail.com wrote:

> If it helps, here is the reason I need to override this multi-instantiation
> behavior: my application launches a multiprocessing.Process at startup to
> monitor and run background tasks. Having more than one background Process
> running at once is going to wreak havoc on the application. I've looked at
> other options to accomplish similar purposes, but those would all be
> instantiated multiple times, also.
>
> Any suggestions?

Use a locked pidfile to prevent multiple daemons starting up. I recall the
python-daemon package being capable of this (and lots of other good stuff).

https://pagure.io/python-daemon/
--
Melvyn Sopacua

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