bootstrap.py 文件源码

def make_celery(app):
    """Create a celery instance for the application."""
    # Celery is optional, import it here rather than globally
    from celery import Celery

    celery_instance = Celery(
        app.import_name,
        backend=app.config['CELERY_RESULT_BACKEND'],
        broker=app.config['CELERY_BROKER_URL']
    )

    celery_instance.conf.update(app.config)
    TaskBase = celery_instance.Task

    class ContextTask(TaskBase):
        abstract = True
        def __call__(self, *args, **kwargs):
            with app.app_context():
                return TaskBase.__call__(self, *args, **kwargs)

    celery_instance.Task = ContextTask

    return celery_instance