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- =======================
- Task Message Protocol
- =======================
- * task
- ``string``
- Name of the task. **required**
- * id
- ``string``
- Unique id of the task (UUID). **required**
- * args
- ``list``
- List of arguments. Will be an empty list if not provided.
- * kwargs
- ``dictionary``
- Dictionary of keyword arguments. Will be an empty dictionary if not
- provided.
- * retries
- ``int``
- Current number of times this task has been retried.
- Defaults to ``0`` if not specified.
- * eta
- ``string`` (ISO 8601)
- Estimated time of arrival. This is the date and time in ISO 8601
- format. If not provided the message is not scheduled, but will be
- executed asap.
- Example
- =======
- This is an example invocation of the ``celery.task.PingTask`` task in JSON
- format::
- {"task": "celery.task.PingTask",
- "args": [],
- "kwargs": {},
- "retries": 0,
- "eta": "2009-11-17T12:30:56.527191"}
- Serialization
- =============
- The protocol supports several serialization formats using the
- ``content_encoding`` message header.
- The MIME-types supported by default are shown in the following table.
- =============== =================================
- Scheme MIME Type
- =============== =================================
- json application/json
- yaml application/x-yaml
- pickle application/x-python-serialize
- =============== =================================
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