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diff --git a/dev/engines/offline/nosql-engines.html b/dev/engines/offline/nosql-engines.html new file mode 100644 index 000000000..f180f0db2 --- /dev/null +++ b/dev/engines/offline/nosql-engines.html @@ -0,0 +1,300 @@ +<!DOCTYPE html> + +<html lang="en" data-content_root="../../../"> + <head> + <meta charset="utf-8" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <title>NoSQL databases — SearXNG Documentation (2025.1.6+6dab7fe78)</title> + <link rel="stylesheet" type="text/css" href="../../../_static/pygments.css?v=4f649999" /> + <link rel="stylesheet" type="text/css" href="../../../_static/searxng.css?v=52e4ff28" /> + <script src="../../../_static/documentation_options.js?v=ef740023"></script> + <script src="../../../_static/doctools.js?v=9a2dae69"></script> + <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script> + <script data-project="searxng" data-version="2025.1.6+6dab7fe78" src="../../../_static/describe_version.js?v=fa7f30d0"></script> + <link rel="index" title="Index" href="../../../genindex.html" /> + <link rel="search" title="Search" href="../../../search.html" /> + <link rel="next" title="Local Search APIs" href="search-indexer-engines.html" /> + <link rel="prev" title="Command Line Engines" href="command-line-engines.html" /> + </head><body> + <div class="related" role="navigation" aria-label="Related"> + <h3>Navigation</h3> + <ul> + <li class="right" style="margin-right: 10px"> + <a href="../../../genindex.html" title="General Index" + accesskey="I">index</a></li> + <li class="right" > + <a href="../../../py-modindex.html" title="Python Module Index" + >modules</a> |</li> + <li class="right" > + <a href="search-indexer-engines.html" title="Local Search APIs" + accesskey="N">next</a> |</li> + <li class="right" > + <a href="command-line-engines.html" title="Command Line Engines" + accesskey="P">previous</a> |</li> + <li class="nav-item nav-item-0"><a href="../../../index.html">SearXNG Documentation (2025.1.6+6dab7fe78)</a> »</li> + <li class="nav-item nav-item-1"><a href="../../index.html" >Developer documentation</a> »</li> + <li class="nav-item nav-item-2"><a href="../index.html" accesskey="U">Engine Implementations</a> »</li> + <li class="nav-item nav-item-this"><a href="">NoSQL databases</a></li> + </ul> + </div> + + <div class="document"> + <div class="documentwrapper"> + <div class="bodywrapper"> + <div class="body" role="main"> + + <section id="nosql-databases"> +<span id="nosql-engines"></span><h1>NoSQL databases<a class="headerlink" href="#nosql-databases" title="Link to this heading">¶</a></h1> +<aside class="sidebar"> +<p class="sidebar-title">further read</p> +<ul class="simple"> +<li><p><a class="reference external" href="https://en.wikipedia.org/wiki/NoSQL">NoSQL databases</a></p></li> +<li><p><a class="reference external" href="https://redis.io/">redis.io</a></p></li> +<li><p><a class="reference external" href="https://www.mongodb.com">MongoDB</a></p></li> +</ul> +</aside> +<nav class="contents local" id="contents"> +<ul class="simple"> +<li><p><a class="reference internal" href="#extra-dependencies" id="id6">Extra Dependencies</a></p></li> +<li><p><a class="reference internal" href="#configure-the-engines" id="id7">Configure the engines</a></p> +<ul> +<li><p><a class="reference internal" href="#redis-server" id="id8">Redis Server</a></p></li> +<li><p><a class="reference internal" href="#engine-mongodb" id="id9">MongoDB</a></p></li> +</ul> +</li> +</ul> +</nav> +<aside class="sidebar"> +<p class="sidebar-title">info</p> +<p>Initial sponsored by <a class="reference external" href="https://nlnet.nl/discovery">Search and Discovery Fund</a> of <a class="reference external" href="https://nlnet.nl/">NLnet Foundation</a>.</p> +</aside> +<p>The following <a class="reference external" href="https://en.wikipedia.org/wiki/NoSQL">NoSQL databases</a> are supported:</p> +<ul class="simple"> +<li><p><a class="reference internal" href="#engine-redis-server"><span class="std std-ref">Redis Server</span></a></p></li> +<li><p><a class="reference internal" href="#engine-mongodb"><span class="std std-ref">MongoDB</span></a></p></li> +</ul> +<p>All of the engines above are just commented out in the <a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/settings.yml">settings.yml</a>, as you have to set various options and install +dependencies before using them.</p> +<p>By default, the engines use the <code class="docutils literal notranslate"><span class="pre">key-value</span></code> template for displaying results / +see <a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/templates/simple/result_templates/key-value.html">simple</a> +theme. If you are not satisfied with the original result layout, you can use +your own template, set <code class="docutils literal notranslate"><span class="pre">result_template</span></code> attribute to <code class="docutils literal notranslate"><span class="pre">{template_name}</span></code> and +place the templates at:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">searx</span><span class="o">/</span><span class="n">templates</span><span class="o">/</span><span class="p">{</span><span class="n">theme_name</span><span class="p">}</span><span class="o">/</span><span class="n">result_templates</span><span class="o">/</span><span class="p">{</span><span class="n">template_name</span><span class="p">}</span> +</pre></div> +</div> +<p>Furthermore, if you do not wish to expose these engines on a public instance, you +can still add them and limit the access by setting <code class="docutils literal notranslate"><span class="pre">tokens</span></code> as described in +section <a class="reference internal" href="../../../admin/settings/settings_engine.html#private-engines"><span class="std std-ref">Private Engines (tokens)</span></a>.</p> +<section id="extra-dependencies"> +<h2><a class="toc-backref" href="#id6" role="doc-backlink">Extra Dependencies</a><a class="headerlink" href="#extra-dependencies" title="Link to this heading">¶</a></h2> +<p>For using <a class="reference internal" href="#engine-redis-server"><span class="std std-ref">Redis Server</span></a> or <a class="reference internal" href="#engine-mongodb"><span class="std std-ref">MongoDB</span></a> you need to +install additional packages in Python’s Virtual Environment of your SearXNG +instance. To switch into the environment (<a class="reference internal" href="../../../admin/installation-searxng.html#searxng-src"><span class="std std-ref">Install SearXNG & dependencies</span></a>) you can use +<a class="reference internal" href="../../../utils/searxng.sh.html#searxng-sh"><span class="std std-ref">utils/searxng.sh</span></a>:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ sudo utils/searxng.sh instance cmd bash +(searxng-pyenv)$ pip install ... +</pre></div> +</div> +</section> +<section id="configure-the-engines"> +<h2><a class="toc-backref" href="#id7" role="doc-backlink">Configure the engines</a><a class="headerlink" href="#configure-the-engines" title="Link to this heading">¶</a></h2> +<p><a class="reference external" href="https://en.wikipedia.org/wiki/NoSQL">NoSQL databases</a> are used for storing arbitrary data without first defining +their structure.</p> +<section id="redis-server"> +<span id="engine-redis-server"></span><h3><a class="toc-backref" href="#id8" role="doc-backlink">Redis Server</a><a class="headerlink" href="#redis-server" title="Link to this heading">¶</a></h3> +<aside class="sidebar"> +<p class="sidebar-title">info</p> +<ul class="simple"> +<li><p><code class="docutils literal notranslate"><span class="pre">pip</span> <span class="pre">install</span></code> <a class="reference external" href="https://github.com/andymccurdy/redis-py#installation">redis</a></p></li> +<li><p><a class="reference external" href="https://redis.io/">redis.io</a></p></li> +<li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/redis_server.py">redis_server.py</a></p></li> +</ul> +</aside> +<p id="module-searx.engines.redis_server">Redis is an open source (BSD licensed), in-memory data structure (key value +based) store. Before configuring the <code class="docutils literal notranslate"><span class="pre">redis_server</span></code> engine, you must install +the dependency <a class="reference external" href="https://github.com/andymccurdy/redis-py#installation">redis</a>.</p> +<section id="configuration"> +<h4>Configuration<a class="headerlink" href="#configuration" title="Link to this heading">¶</a></h4> +<p>Select a database to search in and set its index in the option <code class="docutils literal notranslate"><span class="pre">db</span></code>. You can +either look for exact matches or use partial keywords to find what you are +looking for by configuring <code class="docutils literal notranslate"><span class="pre">exact_match_only</span></code>.</p> +</section> +<section id="example"> +<h4>Example<a class="headerlink" href="#example" title="Link to this heading">¶</a></h4> +<p>Below is an example configuration:</p> +<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="c1"># Required dependency: redis</span> + +<span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">myredis</span> +<span class="w"> </span><span class="nt">shortcut </span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">rds</span> +<span class="w"> </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">redis_server</span> +<span class="w"> </span><span class="nt">exact_match_only</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">false</span> +<span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="w"> </span><span class="s">'127.0.0.1'</span> +<span class="w"> </span><span class="nt">port</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">6379</span> +<span class="w"> </span><span class="nt">enable_http</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span> +<span class="w"> </span><span class="nt">password</span><span class="p">:</span><span class="w"> </span><span class="s">''</span> +<span class="w"> </span><span class="nt">db</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">0</span> +</pre></div> +</div> +</section> +<section id="implementations"> +<h4>Implementations<a class="headerlink" href="#implementations" title="Link to this heading">¶</a></h4> +</section> +</section> +<section id="engine-mongodb"> +<span id="id2"></span><h3><a class="toc-backref" href="#id9" role="doc-backlink">MongoDB</a><a class="headerlink" href="#engine-mongodb" title="Link to this heading">¶</a></h3> +<aside class="sidebar"> +<p class="sidebar-title">info</p> +<ul class="simple"> +<li><p><code class="docutils literal notranslate"><span class="pre">pip</span> <span class="pre">install</span></code> <a class="reference external" href="https://github.com/mongodb/mongo-python-driver#installation">pymongo</a></p></li> +<li><p><a class="reference external" href="https://www.mongodb.com">MongoDB</a></p></li> +<li><p><a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/mongodb.py">mongodb.py</a></p></li> +</ul> +</aside> +<p id="module-searx.engines.mongodb"><a class="reference external" href="https://www.mongodb.com">MongoDB</a> is a document based database program that handles JSON like data. +Before configuring the <code class="docutils literal notranslate"><span class="pre">mongodb</span></code> engine, you must install the dependency +<a class="reference external" href="https://github.com/mongodb/mongo-python-driver#installation">pymongo</a>.</p> +<section id="id3"> +<h4>Configuration<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h4> +<p>In order to query <a class="reference external" href="https://www.mongodb.com">MongoDB</a>, you have to select a <code class="docutils literal notranslate"><span class="pre">database</span></code> and a +<code class="docutils literal notranslate"><span class="pre">collection</span></code>. Furthermore, you have to select a <code class="docutils literal notranslate"><span class="pre">key</span></code> that is going to be +searched. <a class="reference external" href="https://www.mongodb.com">MongoDB</a> also supports the option <code class="docutils literal notranslate"><span class="pre">exact_match_only</span></code>, so configure +it as you wish.</p> +</section> +<section id="id4"> +<h4>Example<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h4> +<p>Below is an example configuration for using a MongoDB collection:</p> +<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="c1"># MongoDB engine</span> +<span class="c1"># Required dependency: pymongo</span> + +<span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">mymongo</span> +<span class="w"> </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">mongodb</span> +<span class="w"> </span><span class="nt">shortcut</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">md</span> +<span class="w"> </span><span class="nt">exact_match_only</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">false</span> +<span class="w"> </span><span class="nt">host</span><span class="p">:</span><span class="w"> </span><span class="s">'127.0.0.1'</span> +<span class="w"> </span><span class="nt">port</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">27017</span> +<span class="w"> </span><span class="nt">enable_http</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span> +<span class="w"> </span><span class="nt">results_per_page</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">20</span> +<span class="w"> </span><span class="nt">database</span><span class="p">:</span><span class="w"> </span><span class="s">'business'</span> +<span class="w"> </span><span class="nt">collection</span><span class="p">:</span><span class="w"> </span><span class="s">'reviews'</span><span class="w"> </span><span class="c1"># name of the db collection</span> +<span class="w"> </span><span class="nt">key</span><span class="p">:</span><span class="w"> </span><span class="s">'name'</span><span class="w"> </span><span class="c1"># key in the collection to search for</span> +</pre></div> +</div> +</section> +<section id="id5"> +<h4>Implementations<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h4> +</section> +</section> +</section> +</section> + + + <div class="clearer"></div> + </div> + </div> + </div> + <span id="sidebar-top"></span> + <div class="sphinxsidebar" role="navigation" aria-label="Main"> + <div class="sphinxsidebarwrapper"> + + + <p class="logo"><a href="../../../index.html"> + <img class="logo" src="../../../_static/searxng-wordmark.svg" alt="Logo of SearXNG"/> + </a></p> + + +<h3><a href="../../../index.html">Table of Contents</a></h3> +<ul class="current"> +<li class="toctree-l1"><a class="reference internal" href="../../../user/index.html">User information</a></li> +<li class="toctree-l1"><a class="reference internal" href="../../../own-instance.html">Why use a private instance?</a></li> +<li class="toctree-l1"><a class="reference internal" href="../../../admin/index.html">Administrator documentation</a></li> +<li class="toctree-l1 current"><a class="reference internal" href="../../index.html">Developer documentation</a><ul class="current"> +<li class="toctree-l2"><a class="reference internal" href="../../quickstart.html">Development Quickstart</a></li> +<li class="toctree-l2"><a class="reference internal" href="../../rtm_asdf.html">Runtime Management</a></li> +<li class="toctree-l2"><a class="reference 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href="../offline_concept.html">Offline Concept</a></li> +<li class="toctree-l5"><a class="reference internal" href="../demo/demo_offline.html">Demo Offline Engine</a></li> +<li class="toctree-l5"><a class="reference internal" href="command-line-engines.html">Command Line Engines</a></li> +<li class="toctree-l5 current"><a class="current reference internal" href="#">NoSQL databases</a></li> +<li class="toctree-l5"><a class="reference internal" href="search-indexer-engines.html">Local Search APIs</a></li> +<li class="toctree-l5"><a class="reference internal" href="sql-engines.html">SQL Engines</a></li> +</ul> +</li> +<li class="toctree-l4"><a class="reference internal" href="../index.html#online-url-search">Online URL Search</a></li> +<li class="toctree-l4"><a class="reference internal" href="../index.html#online-currency">Online Currency</a></li> +<li class="toctree-l4"><a class="reference internal" href="../index.html#online-dictionary">Online Dictionary</a></li> +</ul> +</li> +</ul> 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