芹菜未选择CELERY_ALWAYS_EAGER设置 [英] Celery not picking CELERY_ALWAYS_EAGER settings

问题描述

我正在运行Django 1.8 + Celery 4.0.2
Celery配置良好，可以在redis后端本地运行Django任务。
但是，当我尝试使用 CELERY_ALWAYS_EAGER = True 设置时，
无效。其他设置则不是这种情况，例如 CELERY_TIMEZONE

I am running Django 1.8 + Celery 4.0.2 Celery is configured well and can run my Django tasks locally on redis backend. But when I try to use CELERY_ALWAYS_EAGER = True settings, this settings has no effect. Which is not the case with other settings, e.g. CELERY_TIMEZONE

具体来说，在 pdb 中，我看到 app.conf.task_always_eager 是 False

Specifically, in pdb I see that app.conf.task_always_eager is False

lib / python2.7 / site-packages / celery / app / task.py（520）apply_async（）
因此，CELERY_ALWAYS_EAGER不会以某种方式出现，并且对app.conf.task_always_eager没有影响

lib/python2.7/site-packages/celery/app/task.py(520)apply_async() So somehow CELERY_ALWAYS_EAGER is not picked up and has no effect on app.conf.task_always_eager

pdb的更多信息：

> app.conf.get('CELERY_ALWAYS_EAGER')
> True
> app.conf.task_always_eager
> False

这是什么原因？我知道Celery 4.x正在从旧的设置名称过渡到新的设置，但是他们仍然承诺仍会使用旧的设置名称。

What can cause this? I know that Celery 4.x is in transition from old setting names to new ones, but they still promise old settings names still would be used as well.

推荐答案

CELERY_ALWAYS_EAGER 在版本4.0+中已重命名为 CELERY_TASK_ALWAYS_EAGER 。

CELERY_ALWAYS_EAGER has been renamed to CELERY_TASK_ALWAYS_EAGER in version 4.0+.

更准确地说，不建议使用全大写设置，而是直接配置celery应用程序对象，并且其中一些已命名为使用 task _ 或 worker _ 作为前缀。因为仍然具有全大写设置的向后兼容性，所以这也间接重命名了全大写设置。

More accurately, all-caps settings have been deprecated in favor of directly configuring the celery app object, and several have been namespaced to either use task_ or worker_ as a prefix. Because there's still backwards-compatability with all-caps settings, this indirectly renamed the all-caps setting as well.

来自更改日志：

celery_前缀也已删除，此名称空间中与任务相关的设置现在以task_为前缀，worker相关的设置带有worker _。

The celery_ prefix has also been removed, and task related settings from this name-space is now prefixed by task_, worker related settings with worker_.

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