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  <div class="section" id="plugins">
<h1>Plugins<a class="headerlink" href="#plugins" title="Permalink to this headline">¶</a></h1>
<p>Plugins can extend or replace functionality of various components of
searx.</p>
<div class="section" id="example-plugin">
<h2>Example plugin<a class="headerlink" href="#example-plugin" title="Permalink to this headline">¶</a></h2>
<div class="code python highlight-default"><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="n">js_dependencies</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">()</span>  <span class="c1"># optional, list of static js files</span>
<span class="n">css_dependencies</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">()</span>  <span class="c1"># optional, list of static css files</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">ctx</span><span class="p">):</span>
    <span class="n">ctx</span><span class="p">[</span><span class="s1">&#39;search&#39;</span><span class="p">]</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>
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<div class="section" id="plugin-entry-points">
<h2>Plugin entry points<a class="headerlink" href="#plugin-entry-points" title="Permalink to this headline">¶</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.</p>
<div class="section" id="pre-search-hook">
<h3>Pre search hook<a class="headerlink" href="#pre-search-hook" title="Permalink to this headline">¶</a></h3>
<p>Runs BEFORE the search request. Function to implement: <code class="docutils literal"><span class="pre">pre_search</span></code></p>
</div>
<div class="section" id="post-search-hook">
<h3>Post search hook<a class="headerlink" href="#post-search-hook" title="Permalink to this headline">¶</a></h3>
<p>Runs AFTER the search request. Function to implement: <code class="docutils literal"><span class="pre">post_search</span></code></p>
</div>
<div class="section" id="result-hook">
<h3>Result hook<a class="headerlink" href="#result-hook" title="Permalink to this headline">¶</a></h3>
<p>Runs when a new result is added to the result list. Function to implement: <code class="docutils literal"><span class="pre">on_result</span></code></p>
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