Problem passing parameters to a job handler in APScheduler

[Braun Brelin]

Hello all,

I have code that looks like this:

#/usr/bin/env python
from apscheduler.scheduler import Scheduler
import logging

def job_handler(mybar,mybaz):
   print "mybar = " + mybar + "mybaz = " + mybaz
 


s = Scheduler()
s.start()

bar = "bar"
baz = "baz"

s.add_cron_job(lambda: job_handler(bar,baz),hour=20, minute=20,second=25

bar = "notbar"
baz = "notbaz"
s.add_cron_job(lambda: job_handler(bar,baz),hour=20,minute=20,second=35)

while 1:
    pass



The output is always "notbar notbaz" for both cron jobs.
Can someone tell me why this is?  Obviously, I was hoping for the first cron job to print "bar, baz".
How would I fix this?

Thanks,

Braun Brelin

[Alex Grönholm]

It's because they both operate on the same closure, where bar is
"notbar" and "baz" is notbaz.

> How would I fix this?

By handing over the arguments the way you're supposed to:

s.add_cron_job(job_handler, hour=20, minute=20, second=35, args=('bar',
'baz'))
>
> Thanks,
>
> Braun Brelin
>
>
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[Braun Brelin]

Thanks for the update.  I didn't see the "args" parameter documented anywhere???

Braun

Thanks,

Braun Brelin

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[Alex Grönholm]

07.04.2013 20:57, Braun Brelin kirjoitti:

Thanks for the update.  I didn't see the "args" parameter documented anywhere???

Documented exactly where it should be:

https://apscheduler.readthedocs.org/en/latest/modules/scheduler.html#apscheduler.scheduler.Scheduler.add_cron_job

Braun

Thanks,

Braun Brelin

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[Braun Brelin]

But that's in the 3.0.0 dev documentation.  It should be noted that when I run easy_install to install APScheduler, it installs the 2.1.0 version.  If that's true for me, then it is probably true for most people using APScheduler, especially those that haven't used it before. 

It's the 2.1 docs that I've been working off of since I don't know what's changed between 2.1.0 and 3.0.0.  Given that it's a major version release, I suspect that the changes have been somewhat substantial. 

Note that I can't find any reference to an args parameter in the 2.1.0 documentation at all. 

Braun Brelin

[Alex Grönholm]

08.04.2013 14:19, Braun Brelin kirjoitti:

But that's in the 3.0.0 dev documentation.  It should be noted that when I run easy_install to install APScheduler, it installs the 2.1.0 version.  If that's true for me, then it is probably true for most people using APScheduler, especially those that haven't used it before. 

It's the 2.1 docs that I've been working off of since I don't know what's changed between 2.1.0 and 3.0.0.  Given that it's a major version release, I suspect that the changes have been somewhat substantial.

Not yet.

 

Note that I can't find any reference to an args parameter in the 2.1.0 documentation at all. 

It's in the same place: https://apscheduler.readthedocs.org/en/v2.1.0/modules/scheduler.html#apscheduler.scheduler.Scheduler.add_cron_job

The "args" argument has been documented since the beginning (I can find it in the v1.3.1 docs).

[Braun Brelin]

I was using the following page for documentation:

https://apscheduler.readthedocs.org/en/latest/cronschedule.html

Braun

[Alex Grönholm]

08.04.2013 14:40, Braun Brelin kirjoitti:

I was using the following page for documentation:

https://apscheduler.readthedocs.org/en/latest/cronschedule.html

That's the tutorial, not the API documentation.