portier/source/concierge/signals.py

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from django.dispatch import receiver
from rtmp.signals import stream_inactive
from .models import Task
from rtmp.models import Stream
@receiver(stream_inactive)
def delete_tasks(sender, **kwargs):
# when a stream was unpublished, all related tasks need to be deleted.
stream = Stream.objects.get(stream=kwargs['stream'])
Task.objects.filter(stream=stream).delete()