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112 lines
2.7 KiB
ReStructuredText
112 lines
2.7 KiB
ReStructuredText
Installation
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============
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- Install the latest version with pip::
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$ pip install django-q
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- Add :mod:`django_q` to your :const:`INSTALLED_APPS` in your projects :file:`settings.py`::
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INSTALLED_APPS = (
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# other apps
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'django_q',
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)
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- Run Django migrations to create the database tables::
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$ python manage.py migrate
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- Make sure you have a `Redis <http://redis.io/>`__ server running
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somewhere
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Configuration
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-------------
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Configuration is handled via the :const:`Q_ClUSTER` dictionary in your :file:`settings.py`
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.. code:: python
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# settings.py example
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Q_CLUSTER = {
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'name': 'myproject',
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'workers': 8,
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'recycle': 500,
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'timeout': 60,
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'compress': True,
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'save_limit': 250,
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'label': 'Django Q',
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'redis': {
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'host': '127.0.0.1',
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'port': 6379,
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'db': 0, }
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}
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name
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~~~~
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Used to differentiate between projects using the same Redis server. Defaults to ``'default'``.
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This can be useful if you have several projects using the same Redis server.
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.. note::
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Tasks are encrypted. When a worker encounters a task it can not decrypt, it will be discarded
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workers
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~~~~~~~
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The number of workers to use in the cluster. Defaults to CPU count of the current host, but can be set to a custom number.
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recycle
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~~~~~~~
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The number of tasks a worker will process before respawning. Useful to release resources on a regular basis. Defaults to ``500``.
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timeout
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~~~~~~~
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The number of seconds a worker is allowed to spend on a task before it's terminated. Defaults to ``None``, meaning it will never time out.
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Set this to something that makes sense for your use
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compress
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~~~~~~~~
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Compress task packages to Redis. Useful for large payloads, but can add overhead when used with many small packages.
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Defaults to ``False``
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save_limit
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~~~~~~~~~~
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Limits the amount of successful tasks saved to Django.
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Set to ``0`` for unlimited. Set to ``-1`` for no success storage at all.
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Failures are always saved. Defaults to ``250``
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label
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~~~~~
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The label used for the Django Admin page. Defaults to ``'Django Q'``
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redis
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~~~~~
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Connection settings for Redis. Defaults::
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redis: {
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'host': 'localhost',
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'port': 6379,
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'db': 0,
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'password': None,
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'socket_timeout': None,
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'charset': 'utf-8',
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'errors': 'strict',
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'unix_socket_path': None
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}
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For more information on these settings please refer to the `Redis-py <https://github.com/andymccurdy/redis-py>`__ documentation
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.. note::
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Django Q uses your :const:`SECRET_KEY` to encrypt task packages and prevent task crossover. So make sure you have it set up in your Django settings.
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