Python: ジョブキューイング

タスクキューシステム

• Full Stack Python

Celery

• https://docs.celeryq.dev/en/stable/

PYPI:

• celery
• redis
• django-celery-results
• django-redis

Redis:

• Using Redis
• poetry add "celery[redis]"

djang-celery-results:

• django-celery-results - Using the Django ORM/Cache as a result backend
• poetry add django-celery-results

Periodic Task:

• Periodic Tasks

記事:

• 【Django】CeleryとRedisで非同期処理を実装する方法
• DjangoとCeleryを使った非同期処理の結果取得までの流れ
• 【Python x Django】Djangoによる非同期処理実装(Cerery,Redis)
• Deploying Django on AWS: Setting up Celery and SQS
• Celery Task Queue with AWS SQS

MySQL:Database returned an invalid datetime value. Are time zone definitions for your database installed?

macOS:

% mysql_tzinfo_to_sql /usr/share/zoneinfo/ | mysql -u root mysql

Warning: Unable to load '/usr/share/zoneinfo//+VERSION' as time zone. Skipping it.
Warning: Unable to load '/usr/share/zoneinfo//iso3166.tab' as time zone. Skipping it.
Warning: Unable to load '/usr/share/zoneinfo//leapseconds' as time zone. Skipping it.
Warning: Unable to load '/usr/share/zoneinfo//zone.tab' as time zone. Skipping it.

Singleton

• Celery: Task Singleton?
• Ensuring a task is only executed one at a time

unitttest

• How do you unit test a Celery task?
• To eager or not to eager - how to properly test your Celery tasks

RQ

• Python で分散タスクキュー (RQ 編)