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										 |  |  | .. _nosql engines:
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										 |  |  | ===============
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							|  |  |  | NoSQL databases
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							|  |  |  | ===============
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							|  |  |  | .. sidebar:: further read
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							|  |  |  |    - `NoSQL databases <https://en.wikipedia.org/wiki/NoSQL>`_
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							|  |  |  |    - `redis.io <https://redis.io/>`_
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							|  |  |  |    - `MongoDB <https://www.mongodb.com>`_
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										 |  |  | .. contents::
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							|  |  |  |    :depth: 2
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							|  |  |  |    :local: | 
					
						
							|  |  |  |    :backlinks: entry
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							|  |  |  | .. sidebar:: info
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							|  |  |  |    Initial sponsored by `Search and Discovery Fund
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							|  |  |  |    <https://nlnet.nl/discovery>`_ of `NLnet Foundation <https://nlnet.nl/>`_.
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										 |  |  | The following `NoSQL databases`_ are supported:
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							|  |  |  | - :ref:`engine redis_server`
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							|  |  |  | - :ref:`engine mongodb`
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							|  |  |  | All of the engines above are just commented out in the :origin:`settings.yml
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							|  |  |  | <searx/settings.yml>`, as you have to set various options and install
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							|  |  |  | dependencies before using them.
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							|  |  |  | By default, the engines use the ``key-value`` template for displaying results /
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										 |  |  | see :origin:`simple <searx/templates/simple/result_templates/key-value.html>`
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							|  |  |  | theme.  If you are not satisfied with the original result layout, you can use
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										 |  |  | your own template, set ``result_template`` attribute to ``{template_name}`` and
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							|  |  |  | place the templates at::
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							|  |  |  |   searx/templates/{theme_name}/result_templates/{template_name}
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										 |  |  | Furthermore, if you do not wish to expose these engines on a public instance, you
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										 |  |  | can still add them and limit the access by setting ``tokens`` as described in
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							|  |  |  | section :ref:`private engines`.
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							|  |  |  | Extra Dependencies
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										 |  |  | ==================
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							|  |  |  | For using :ref:`engine redis_server` or :ref:`engine mongodb` you need to
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										 |  |  | install additional packages in Python's Virtual Environment of your SearXNG
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										 |  |  | instance.  To switch into the environment (:ref:`searxng-src`) you can use
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							|  |  |  | :ref:`searxng.sh`::
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										 |  |  |   $ sudo utils/searxng.sh instance cmd bash
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							|  |  |  |   (searxng-pyenv)$ pip install ...
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										 |  |  | Configure the engines
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							|  |  |  | =====================
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							|  |  |  | `NoSQL databases`_ are used for storing arbitrary data without first defining
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							|  |  |  | their structure.
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										 |  |  | .. _engine redis_server:
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							|  |  |  | Redis Server
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							|  |  |  | ------------
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							|  |  |  | .. _redis: https://github.com/andymccurdy/redis-py#installation
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							|  |  |  | .. sidebar:: info
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							|  |  |  |    - ``pip install`` redis_
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							|  |  |  |    - redis.io_
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							|  |  |  |    - :origin:`redis_server.py <searx/engines/redis_server.py>`
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										 |  |  | .. automodule:: searx.engines.redis_server
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							|  |  |  | .. _engine mongodb:
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							|  |  |  | MongoDB
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							|  |  |  | -------
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							|  |  |  | .. _pymongo: https://github.com/mongodb/mongo-python-driver#installation
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							|  |  |  | .. sidebar:: info
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							|  |  |  |    - ``pip install`` pymongo_
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							|  |  |  |    - MongoDB_
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							|  |  |  |    - :origin:`mongodb.py <searx/engines/mongodb.py>`
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										 |  |  | .. automodule:: searx.engines.mongodb
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