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35 lines
904 B
35 lines
904 B
from django.utils import translation
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from django.core.cache import cache
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from celery.signals import task_prerun, task_postrun, before_task_publish
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from common.db.utils import close_old_connections
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TASK_LANG_CACHE_KEY = 'TASK_LANG_{}'
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TASK_LANG_CACHE_TTL = 1800
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@before_task_publish.connect()
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def before_task_publish(headers=None, **kwargs):
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task_id = headers.get('id')
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current_lang = translation.get_language()
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key = TASK_LANG_CACHE_KEY.format(task_id)
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cache.set(key, current_lang, 1800)
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@task_prerun.connect()
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def on_celery_task_pre_run(task_id='', **kwargs):
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# 关闭之前的数据库连接
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close_old_connections()
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# 保存 Lang context
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key = TASK_LANG_CACHE_KEY.format(task_id)
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task_lang = cache.get(key)
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if task_lang:
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translation.activate(task_lang)
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@task_postrun.connect()
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def on_celery_task_post_run(**kwargs):
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close_old_connections()
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