问题描述
我使用 OpenedX Koa-1.0。当我尝试发送批量电子邮件时，Celery 会引发此错误。 有日志：
2021-04-08 12:19:46,189 ERROR 7630 [celery.app.trace] [user None] [ip None] trace.py:255 - Task lms.djangoapps.instructor_task.tasks.send_bulk_course_email[6781e01e-7197-4f29-91ed-e374e3b90945] raised unexpected: AttributeError("module 'celery' has no attribute 'Router'")
Traceback (most recent call last):
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/trace.py",line 412,in trace_task
R = retval = fun(*args,**kwargs)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/trace.py",line 704,in protected_call
return self.run(*args,**kwargs)
File "/opt/bitnami/apps/edx/edx-platform/lms/djangoapps/instructor_task/tasks.py",line 159,in send_bulk_course_email
return run_main_task(entry_id,visit_fcn,action_name)
File "/opt/bitnami/apps/edx/edx-platform/lms/djangoapps/instructor_task/tasks_helper/runner.py",line 120,in run_main_task
task_progress = task_fcn(entry_id,course_id,task_input,action_name)
File "/opt/bitnami/apps/edx/edx-platform/lms/djangoapps/bulk_email/tasks.py",line 224,in perform_delegate_email_batches
progress = queue_subtasks_for_query(
File "/opt/bitnami/apps/edx/edx-platform/lms/djangoapps/instructor_task/subtasks.py",line 350,in queue_subtasks_for_query
new_subtask.apply_async()
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/canvas.py",line 235,in apply_async
return _apply(args,kwargs,**options)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/task.py",line 566,in apply_async
return app.send_task(
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/base.py",line 708,in send_task
options = router.route(
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/routes.py",line 85,in route
route = self.lookup_route(name,args,options,task_type)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/routes.py",line 117,in lookup_route
route = query(router,name,line 122,in query_router
router = maybe_evaluate(router)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/kombu/utils/functional.py",line 246,in maybe_evaluate
return value.evaluate()
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/utils/functional.py",line 51,in evaluate
self._value = super(mlazy,self).evaluate()
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/kombu/utils/functional.py",line 213,in evaluate
return self.fun(*self.args,**self._kwargs)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/app/routes.py",line 130,in expand_router_string
router = symbol_by_name(router)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/kombu/utils/imports.py",line 62,in symbol_by_name
return getattr(module,cls_name) if cls_name else module
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python3.8/site-packages/celery/local.py",line 517,in getattr
return ModuleType.getattribute(self,name)
AttributeError: module 'celery' has no attribute 'Router'
我尝试在 edxapp_env 中通过 pip 重新安装 Celery，但它不起作用。 也许有办法在芹菜中导入它？或者把celery/app/routes.py 移到别的地方？
解决方法
您可能将所有设置都设置得很好，但运行时配置错误。例外有点误导：实际上，这意味着未设置 settings.CELERY_ROUTES。在 Koa 版本的情况下，您可以使用的路由器是 lms.celery.Router。