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[doc] build from commit fa108c140fb8fe523e9be432f6e92c6812acc6ea
2024-10-31 12:36:39 +00:00
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<title>Plugins &#8212; SearXNG Documentation (2024.10.31+fa108c140)</title>
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<a href="../genindex.html" title="General Index"
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<li class="nav-item nav-item-0"><a href="../index.html">SearXNG Documentation (2024.10.31+fa108c140)</a> &#187;</li>
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<li class="nav-item nav-item-this"><a href="">Plugins</a></li>
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<div class="document">
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<section id="plugins">
<span id="dev-plugin"></span><h1>Plugins<a class="headerlink" href="#plugins" title="Link to this heading"></a></h1>
<aside class="sidebar">
<p class="sidebar-title">Further reading ..</p>
<ul class="simple">
<li><p><a class="reference internal" href="../admin/plugins.html#plugins-generic"><span class="std std-ref">Plugins builtin</span></a></p></li>
</ul>
</aside>
<p>Plugins can extend or replace functionality of various components of searx.</p>
<section id="example-plugin">
<h2>Example plugin<a class="headerlink" href="#example-plugin" title="Link to this heading"></a></h2>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">name</span> <span class="o">=</span> <span class="s1">&#39;Example plugin&#39;</span>
<span class="n">description</span> <span class="o">=</span> <span class="s1">&#39;This plugin extends the suggestions with the word &quot;example&quot;&#39;</span>
<span class="n">default_on</span> <span class="o">=</span> <span class="kc">False</span> <span class="c1"># disabled by default</span>
<span class="c1"># attach callback to the post search hook</span>
<span class="c1"># request: flask request object</span>
<span class="c1"># ctx: the whole local context of the post search hook</span>
<span class="k">def</span> <span class="nf">post_search</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">search</span><span class="p">):</span>
<span class="n">search</span><span class="o">.</span><span class="n">result_container</span><span class="o">.</span><span class="n">suggestions</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="s1">&#39;example&#39;</span><span class="p">)</span>
<span class="k">return</span> <span class="kc">True</span>
</pre></div>
</div>
</section>
<section id="external-plugins">
<h2>External plugins<a class="headerlink" href="#external-plugins" title="Link to this heading"></a></h2>
<p>SearXNG supports <em>external plugins</em> / there is no need to install one, SearXNG
runs out of the box. But to demonstrate; in the example below we install the
SearXNG plugins from <em>The Green Web Foundation</em> <a class="reference external" href="https://www.thegreenwebfoundation.org/news/searching-the-green-web-with-searx/">[ref]</a>:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>utils/searxng.sh<span class="w"> </span>instance<span class="w"> </span>cmd<span class="w"> </span>bash<span class="w"> </span>-c
<span class="o">(</span>searxng-pyenv<span class="o">)</span>$<span class="w"> </span>pip<span class="w"> </span>install<span class="w"> </span>git+https://github.com/return42/tgwf-searx-plugins
</pre></div>
</div>
<p>In the <a class="reference internal" href="../admin/settings/settings.html#settings-yml"><span class="std std-ref">settings.yml</span></a> activate the <code class="docutils literal notranslate"><span class="pre">plugins:</span></code> section and add module
<code class="docutils literal notranslate"><span class="pre">only_show_green_results</span></code> from <code class="docutils literal notranslate"><span class="pre">tgwf-searx-plugins</span></code>.</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">plugins</span><span class="p">:</span>
<span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span>
<span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">- only_show_green_results</span>
<span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">...</span>
</pre></div>
</div>
</section>
<section id="plugin-entry-points">
<h2>Plugin entry points<a class="headerlink" href="#plugin-entry-points" title="Link to this heading"></a></h2>
<p>Entry points (hooks) define when a plugin runs. Right now only three hooks are
implemented. So feel free to implement a hook if it fits the behaviour of your
plugin. A plugin doesn’t need to implement all the hooks.</p>
<dl class="py function">
<dt class="sig sig-object py" id="pre_search">
<span class="sig-name descname"><span class="pre">pre_search</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">search</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.13)"><span class="pre">bool</span></a></span></span><a class="headerlink" href="#pre_search" title="Link to this definition"></a></dt>
<dd><p>Runs BEFORE the search request.</p>
<p><cite>search.result_container</cite> can be changed.</p>
<p>Return a boolean:</p>
<ul class="simple">
<li><p>True to continue the search</p></li>
<li><p>False to stop the search</p></li>
</ul>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>request</strong> (<em>flask.request</em>)</p></li>
<li><p><strong>search</strong> (<a class="reference internal" href="../src/searx.search.html#searx.search.SearchWithPlugins" title="searx.search.SearchWithPlugins"><em>searx.search.SearchWithPlugins</em></a>)</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>False to stop the search</p>
</dd>
<dt class="field-odd">Return type<span class="colon">:</span></dt>
<dd class="field-odd"><p><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.13)">bool</a></p>
</dd>
</dl>
</dd></dl>
<dl class="py function">
<dt class="sig sig-object py" id="post_search">
<span class="sig-name descname"><span class="pre">post_search</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">search</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></span><a class="headerlink" href="#post_search" title="Link to this definition"></a></dt>
<dd><p>Runs AFTER the search request.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>request</strong> (<em>flask.request</em>) – Flask request.</p></li>
<li><p><strong>search</strong> (<a class="reference internal" href="../src/searx.search.html#searx.search.SearchWithPlugins" title="searx.search.SearchWithPlugins"><em>searx.search.SearchWithPlugins</em></a>) – Context.</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py function">
<dt class="sig sig-object py" id="on_result">
<span class="sig-name descname"><span class="pre">on_result</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">search</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">result</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.13)"><span class="pre">bool</span></a></span></span><a class="headerlink" href="#on_result" title="Link to this definition"></a></dt>
<dd><p>Runs for each result of each engine.</p>
<p><cite>result</cite> can be changed.</p>
<p>If <cite>result[“url”]</cite> is defined, then <cite>result[“parsed_url”] = urlparse(result[‘url’])</cite></p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p><cite>result[“url”]</cite> can be changed, but <cite>result[“parsed_url”]</cite> must be updated too.</p>
</div>
<p>Return a boolean:</p>
<ul class="simple">
<li><p>True to keep the result</p></li>
<li><p>False to remove the result</p></li>
</ul>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>request</strong> (<em>flask.request</em>)</p></li>
<li><p><strong>search</strong> (<a class="reference internal" href="../src/searx.search.html#searx.search.SearchWithPlugins" title="searx.search.SearchWithPlugins"><em>searx.search.SearchWithPlugins</em></a>)</p></li>
<li><p><strong>result</strong> (<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Dict" title="(in Python v3.13)"><em>Dict</em></a>) – Result, see - <a class="reference internal" href="engines/engine_overview.html#engine-results"><span class="std std-ref">Result Types (template)</span></a></p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>True to keep the result</p>
</dd>
<dt class="field-odd">Return type<span class="colon">:</span></dt>
<dd class="field-odd"><p><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.13)">bool</a></p>
</dd>
</dl>
</dd></dl>
</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 internal" href="contribution_guide.html">How to contribute</a></li>
<li class="toctree-l2"><a class="reference internal" href="engines/index.html">Engine Implementations</a></li>
<li class="toctree-l2"><a class="reference internal" href="search_api.html">Search API</a></li>
<li class="toctree-l2 current"><a class="current reference internal" href="#">Plugins</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#example-plugin">Example plugin</a></li>
<li class="toctree-l3"><a class="reference internal" href="#external-plugins">External plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="#plugin-entry-points">Plugin entry points</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#pre_search"><code class="docutils literal notranslate"><span class="pre">pre_search()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="#post_search"><code class="docutils literal notranslate"><span class="pre">post_search()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="#on_result"><code class="docutils literal notranslate"><span class="pre">on_result()</span></code></a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="translation.html">Translation</a></li>
<li class="toctree-l2"><a class="reference internal" href="lxcdev.html">Developing in Linux Containers</a></li>
<li class="toctree-l2"><a class="reference internal" href="makefile.html">Makefile &amp; <code class="docutils literal notranslate"><span class="pre">./manage</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="reST.html">reST primer</a></li>
<li class="toctree-l2"><a class="reference internal" href="searxng_extra/index.html">Tooling box <code class="docutils literal notranslate"><span class="pre">searxng_extra</span></code></a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../utils/index.html">DevOps tooling box</a></li>
<li class="toctree-l1"><a class="reference internal" href="../src/index.html">Source-Code</a></li>
</ul>
<h3>Project Links</h3>
<ul>
<li><a href="https://github.com/searxng/searxng/tree/master">Source</a>
<li><a href="https://github.com/searxng/searxng/wiki">Wiki</a>
<li><a href="https://searx.space">Public instances</a>
<li><a href="https://github.com/searxng/searxng/issues">Issue Tracker</a>
</ul><h3>Navigation</h3>
<ul>
<li><a href="../index.html">Overview</a>
<ul>
<li><a href="index.html">Developer documentation</a>
<ul>
<li>Previous: <a href="search_api.html" title="previous chapter">Search API</a>
<li>Next: <a href="translation.html" title="next chapter">Translation</a></ul>
</li>
</ul>
</li>
</ul>
<search id="searchbox" style="display: none" role="search">
<h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper">
<form class="search" action="../search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" />
</form>
</div>
</search>
<script>document.getElementById('searchbox').style.display = "block"</script>
<div role="note" aria-label="source link">
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../_sources/dev/plugins.rst.txt"
rel="nofollow">Show Source</a></li>
</ul>
</div>
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&#169; Copyright SearXNG team.
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