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@ -1,14 +1,16 @@
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import ast
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from celery import signals
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from django.db import transaction
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from django.core.cache import cache
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from django.dispatch import receiver
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from django.db.utils import ProgrammingError
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from django.utils import translation, timezone
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from django.utils.translation import gettext as _
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from django.core.cache import cache
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from celery import signals, current_app
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from common.db.utils import close_old_connections, get_logger
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from common.signals import django_ready
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from common.db.utils import close_old_connections, get_logger
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from .celery import app
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from .models import CeleryTaskExecution, CeleryTask
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@ -23,8 +25,6 @@ def sync_registered_tasks(*args, **kwargs):
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with transaction.atomic():
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try:
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db_tasks = CeleryTask.objects.all()
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except Exception as e:
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return
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celery_task_names = [key for key in app.tasks]
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db_task_names = db_tasks.values_list('name', flat=True)
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@ -32,6 +32,8 @@ def sync_registered_tasks(*args, **kwargs):
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not_in_db_tasks = set(celery_task_names) - set(db_task_names)
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tasks_to_create = [CeleryTask(name=name) for name in not_in_db_tasks]
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CeleryTask.objects.bulk_create(tasks_to_create)
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except ProgrammingError:
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pass
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@signals.before_task_publish.connect
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@ -45,7 +47,7 @@ def before_task_publish(headers=None, **kwargs):
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@signals.task_prerun.connect
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def on_celery_task_pre_run(task_id='', **kwargs):
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# 更新状态
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CeleryTaskExecution.objects.filter(id=task_id)\
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CeleryTaskExecution.objects.filter(id=task_id) \
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.update(state='RUNNING', date_start=timezone.now())
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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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