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98 lines
2.4 KiB
ReStructuredText
.. _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:
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: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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:members:
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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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:members:
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