retry_once_headers

Task that fails and is retried. Returns headers.

def retry_once_headers(
    self: celery.app.task.Task,
    *args: any,
    max_retries: int = 1,
    countdown: float = 0.1
) - > dict

Task that fails and is retried. Returns headers.

Parameters

Name	Type	Description
self	celery.app.task.Task	The task instance bound to the function, providing access to request context and retry logic
*args	any	Variable length argument list passed to the task
max_retries	int = 1	The maximum number of times the task should be retried before failing
countdown	float = 0.1	The delay in seconds to wait before executing the retry attempt

Returns

Type	Description
dict	The request headers from the task execution context after a successful retry