Apscheduler not working in Heroku

[Anika Duffus]

I want to send text notifications using twilio and apscheduler. It works locally but the jobs are not being executed when deployed on heroku. Is there an extra step needed for heroku?

[Alex Grönholm]

Are you using a clock worker for that? Heroku has a dedicated guide for apscheduler: https://devcenter.heroku.com/articles/clock-processes-python#apscheduler

Anika Duffus kirjoitti 30.12.2020 klo 21.04:

I want to send text notifications using twilio and apscheduler. It works locally but the jobs are not being executed when deployed on heroku. Is there an extra step needed for heroku? --
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[Anika Duffus]

I am using the date trigger. I am dynamically scheduling jobs so I do not think I can use the clock worker described. Here is the code I use:

if datetime.now(tz=tz) <= d-timedelta(days=2):

            trigger = DateTrigger(run_date=d-timedelta(days=2),

            timezone=tz)

            scheduler.add_job(send_sms_reminder, trigger=trigger,  

                id=str(slot_id), args=[slot_id], misfire_grace_time=60*2)

if datetime.now(tz=tz) <= d.replace(hour=7, minute=0):

            trigger = DateTrigger(run_date=d.replace(hour=7, minute=00),

            timezone=tz)

            scheduler.add_job(send_sms_reminder, trigger=trigger,

                id=str(slot.slot_id)+"*", args=[slot.slot_id], misfire_grace_time=60)

[Alex Grönholm]

The problem is that other kinds of processes on Heroku do not run all the time so the scheduler will not work.

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[Anika Duffus]

So what should I do? That code is a part of a larger function. I can not put it in a separate clock file.

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[Alex Grönholm]

I haven't used Heroku, but would it be possible to remotely control the clock process, via RPyC or similar? There's an example in the repository: https://github.com/agronholm/apscheduler/tree/3.x/examples/rpc

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