Notification when process is done, fails etc. about pueue HOT 9 CLOSED

@Nukesor Hey, I haven't spent as much time as I want to on this. I am still working, but slowly. I will submit a pull request when I am done. Feel free to close the issue. But I will still be working on it.

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Ok cool! 👍
Just wanted to check if you're still interested :)
Thanks!

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One little idea, hooks.

Along the lines is virtualenvwrapper, allow the configuration and execution of user scripts at various points in the queue lifecycle.

execute scripts on:

• daemon started / stopped
• enqueue/dequeue
• item completed, item completed[success] item completed[failed]
• queue complete
• queue reset / cleared

or go full Factorio and signal an event any time anything does anything.

Then you've got a foundation for user contributed scripts. I'd use a solid notify-send completion script, but a server installation could use something else (email, SMS, idk). I'm also big on playing loud noises off my local machine, so hooks allow it to become a personal thing.

Configuration could get the hard part if there were to be a different set of hooks for various contexts/projects. For instance, notify me for every item in my video render queue (slow), but don't for my image resize queue (fast).

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Cool idea. Never thought about this as I'm using pueue mainly on my server.
Do you have any experience with this and a nice way to push notifications in python3 for various distributions?
It looks like there are a few different ways to do this, but I've never done something like this before and I would be happy about any advice :).

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There is notify-send available for many distributions. There is simplepush.io for sending notifications to a phone. May be it's possible to make it configurable for the users?? It should be easy to whip up a wrapper that works with both, and other similar services.

For notify send, the command is as simple as

notify-send "Message text here"

For simplepush, the command is:

curl 'https://api.simplepush.io/send/<key>/<subject/<message>'

I can work on this feature and submit PR.

EDIT: I am going through the code now. I am trying to find a way to track a status change. But I don't see a better way than polling the daemon. Is that the best way ? I am open to suggestions.

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I think the best way to do this is to launch the notification straight from the daemon.
Maybe in the ProcessHandler: https://github.com/Nukesor/pueue/blob/master/pueue/daemon/process_handler.py#L110

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Ah. That makes sense.

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@BlitzKraft: Hi!
Are you still planning to work on this feature?
Otherwise I'll probably drop this feature and close the issue.

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This sounds like a plausible solution for this problem.
I would probably just look for existing hook scripts in the pueue config dir and pass interesting data as parameter.

Scripts:

1. daemon started / stopped (Not sure if this is useful as it's triggered by a user manually)
2. enqueue/dequeue (See 1.)
3. item completed, item completed[success] item completed[failed] (A single hook with status as parameter, but yes!)
4. queue complete (yep!)
5. queue reset / cleared (See 1.)

I wouldn't distinguish between different kinds of queues, as this becomes too tricky and might be error prone (wrong categorization of task etc.).
If you put 1000 image resizing tasks in pueue, you'll get 1000 hook calls. I think the proper solution for this problem would be to add a script call to pueue which iterates over those small tasks.
In this case you wouldn't have parallel execution, but you could start the scripts with an offset parameter.

Anyway I really like the idea of hooks! I'll give it a look soon :).

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