57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
"""
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Import celery, load its settings from the django settings
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and auto discover tasks in all installed django apps.
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Taken from: https://celery.readthedocs.org/en/latest/django/first-steps-with-django.html
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"""
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import os
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from celery import Celery
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from openedx.core.lib.celery.routers import AlternateEnvironmentRouter
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# set the default Django settings module for the 'celery' program.
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'cms.envs.production')
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APP = Celery('proj')
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APP.conf.task_protocol = 1
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# Using a string here means the worker will not have to
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# pickle the object when using Windows.
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APP.config_from_object('django.conf:settings')
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APP.autodiscover_tasks()
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# Import after autodiscovery has had a chance to connect to the import_module signal
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# so celery doesn't miss any apps getting installed.
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from django.conf import settings # pylint: disable=wrong-import-position,wrong-import-order
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class Router(AlternateEnvironmentRouter):
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"""
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An implementation of AlternateEnvironmentRouter, for routing tasks to non-cms queues.
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"""
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@property
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def alternate_env_tasks(self):
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"""
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Defines alternate environment tasks, as a dict of form { task_name: alternate_queue }
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"""
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# The tasks below will be routed to the default lms queue.
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return {
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'completion_aggregator.tasks.update_aggregators': 'lms',
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'openedx.core.djangoapps.content.block_structure.tasks.update_course_in_cache': 'lms',
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'openedx.core.djangoapps.content.block_structure.tasks.update_course_in_cache_v2': 'lms',
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}
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@property
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def explicit_queues(self):
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"""
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Defines specific queues for tasks to run in (typically outside of the cms environment),
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as a dict of form { task_name: queue_name }.
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"""
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return {
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'lms.djangoapps.grades.tasks.compute_all_grades_for_course': settings.POLICY_CHANGE_GRADES_ROUTING_KEY,
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}
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