Also worth checking out nameko, I’ve had good experiences with it

Huey is also worth a shot.

I like it - uses redis as a broker - supports crontab style periodic tasks.

I've usually had to build a small python cron runner using croniter in previous systems - which I think is a pretty clean solution - it just deferred tasks to rq workers. But having direct support in the lib might be nice.

* depends on rabbitmq