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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins._core</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=too-few-public-methods,missing-module-docstring</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;PluginInfo&quot;</span><span class="p">,</span> <span class="s2">&quot;Plugin&quot;</span><span class="p">,</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">,</span> <span class="s2">&quot;PluginStorage&quot;</span><span class="p">]</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">abc</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">importlib</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">inspect</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">logging</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">t</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">collections.abc</span><span class="w"> </span><span class="kn">import</span> <span class="n">Generator</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">dataclasses</span><span class="w"> </span><span class="kn">import</span> <span class="n">dataclass</span><span class="p">,</span> <span class="n">field</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">Result</span><span class="p">,</span> <span class="n">EngineResults</span><span class="p">,</span> <span class="n">LegacyResult</span> <span class="c1"># pyright: ignore[reportPrivateLocalImportUsage]</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">flask</span>
<span class="n">log</span><span class="p">:</span> <span class="n">logging</span><span class="o">.</span><span class="n">Logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="s2">&quot;searx.plugins&quot;</span><span class="p">)</span>
<div class="viewcode-block" id="PluginInfo">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginInfo">[docs]</a>
<span class="nd">@dataclass</span>
<span class="k">class</span><span class="w"> </span><span class="nc">PluginInfo</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Object that holds information about a *plugin*, these infos are shown to</span>
<span class="sd"> the user in the Preferences menu.</span>
<span class="sd"> To be able to translate the information into other languages, the text must</span>
<span class="sd"> be written in English and translated with :py:obj:`flask_babel.gettext`.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="nb">id</span><span class="p">:</span> <span class="nb">str</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;The ID-selector in HTML/CSS `#&lt;id&gt;`.&quot;&quot;&quot;</span>
<span class="n">name</span><span class="p">:</span> <span class="nb">str</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Name of the *plugin*.&quot;&quot;&quot;</span>
<span class="n">description</span><span class="p">:</span> <span class="nb">str</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Short description of the *answerer*.&quot;&quot;&quot;</span>
<span class="n">preference_section</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Literal</span><span class="p">[</span><span class="s2">&quot;general&quot;</span><span class="p">,</span> <span class="s2">&quot;ui&quot;</span><span class="p">,</span> <span class="s2">&quot;privacy&quot;</span><span class="p">,</span> <span class="s2">&quot;query&quot;</span><span class="p">]</span> <span class="o">|</span> <span class="kc">None</span> <span class="o">=</span> <span class="s2">&quot;general&quot;</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Section (tab/group) in the preferences where this plugin is shown to the</span>
<span class="sd"> user.</span>
<span class="sd"> The value ``query`` is reserved for plugins that are activated via a</span>
<span class="sd"> *keyword* as part of a search query, see:</span>
<span class="sd"> - :py:obj:`PluginInfo.examples`</span>
<span class="sd"> - :py:obj:`Plugin.keywords`</span>
<span class="sd"> Those plugins are shown in the preferences in tab *Special Queries*.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">examples</span><span class="p">:</span> <span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="n">field</span><span class="p">(</span><span class="n">default_factory</span><span class="o">=</span><span class="nb">list</span><span class="p">)</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;List of short examples of the usage / of query terms.&quot;&quot;&quot;</span>
<span class="n">keywords</span><span class="p">:</span> <span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="n">field</span><span class="p">(</span><span class="n">default_factory</span><span class="o">=</span><span class="nb">list</span><span class="p">)</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;See :py:obj:`Plugin.keywords`&quot;&quot;&quot;</span></div>
<span class="n">ID_REGXP</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="s2">&quot;[a-z][a-z0-9].*&quot;</span><span class="p">)</span>
<div class="viewcode-block" id="Plugin">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.Plugin">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">Plugin</span><span class="p">(</span><span class="n">abc</span><span class="o">.</span><span class="n">ABC</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Abstract base class of all Plugins.&quot;&quot;&quot;</span>
<span class="nb">id</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;The ID (suffix) in the HTML form.&quot;&quot;&quot;</span>
<span class="n">active</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">ClassVar</span><span class="p">[</span><span class="nb">bool</span><span class="p">]</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Plugin is enabled/disabled by default (:py:obj:`PluginCfg.active`).&quot;&quot;&quot;</span>
<span class="n">keywords</span><span class="p">:</span> <span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Keywords in the search query that activate the plugin. The *keyword* is</span>
<span class="sd"> the first word in a search query. If a plugin should be executed regardless</span>
<span class="sd"> of the search query, the list of keywords should be empty (which is also the</span>
<span class="sd"> default in the base class for Plugins).&quot;&quot;&quot;</span>
<span class="n">log</span><span class="p">:</span> <span class="n">logging</span><span class="o">.</span><span class="n">Logger</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;A logger object, is automatically initialized when calling the</span>
<span class="sd"> constructor (if not already set in the subclass).&quot;&quot;&quot;</span>
<span class="n">info</span><span class="p">:</span> <span class="n">PluginInfo</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Information about the *plugin*, see :py:obj:`PluginInfo`.&quot;&quot;&quot;</span>
<span class="n">fqn</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">fqn</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fqn</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__mro__</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="vm">__module__</span>
<span class="c1"># names from the configuration</span>
<span class="k">for</span> <span class="n">n</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">plg_cfg</span><span class="o">.</span><span class="vm">__dict__</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span>
<span class="c1"># names that must be set by the plugin implementation</span>
<span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="p">[</span>
<span class="s2">&quot;id&quot;</span><span class="p">,</span>
<span class="p">]:</span>
<span class="k">if</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attr</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;plugin </span><span class="si">{</span><span class="bp">self</span><span class="si">}</span><span class="s2"> is missing attribute </span><span class="si">{</span><span class="n">attr</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">ID_REGXP</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;plugin ID </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> contains invalid character (use lowercase ASCII)&quot;</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;log&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">):</span>
<span class="n">pkg_name</span> <span class="o">=</span> <span class="n">inspect</span><span class="o">.</span><span class="n">getmodule</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="p">)</span><span class="o">.</span><span class="n">__package__</span> <span class="c1"># pyright: ignore[reportOptionalMemberAccess]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">log</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">pkg_name</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">int</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;The hash value is used in :py:obj:`set`, for example, when an object</span>
<span class="sd"> is added to the set. The hash value is also used in other contexts,</span>
<span class="sd"> e.g. when checking for equality to identify identical plugins from</span>
<span class="sd"> different sources (name collisions).&quot;&quot;&quot;</span>
<span class="k">return</span> <span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;py:obj:`Plugin` objects are equal if the hash values of the two</span>
<span class="sd"> objects are equal.&quot;&quot;&quot;</span>
<span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="nb">hash</span><span class="p">(</span><span class="n">other</span><span class="p">)</span>
<div class="viewcode-block" id="Plugin.init">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.Plugin.init">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">init</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">app</span><span class="p">:</span> <span class="s2">&quot;flask.Flask&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span> <span class="c1"># pylint: disable=unused-argument</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Initialization of the plugin, the return value decides whether this</span>
<span class="sd"> plugin is active or not. Initialization only takes place once, at the</span>
<span class="sd"> time the WEB application is set up. The base method always returns</span>
<span class="sd"> ``True``, the method can be overwritten in the inheritances,</span>
<span class="sd"> - ``True`` plugin is active</span>
<span class="sd"> - ``False`` plugin is inactive</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="kc">True</span></div>
<span class="c1"># pylint: disable=unused-argument</span>
<div class="viewcode-block" id="Plugin.pre_search">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.Plugin.pre_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">pre_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">SXNG_Request</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Runs BEFORE the search request and returns a boolean:</span>
<span class="sd"> - ``True`` to continue the search</span>
<span class="sd"> - ``False`` to stop the search</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Plugin.on_result">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.Plugin.on_result">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">on_result</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">SXNG_Request</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">,</span> <span class="n">result</span><span class="p">:</span> <span class="s2">&quot;Result&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Runs for each result of each engine and returns a boolean:</span>
<span class="sd"> - ``True`` to keep the result</span>
<span class="sd"> - ``False`` to remove the result from the result list</span>
<span class="sd"> The ``result`` can be modified to the needs.</span>
<span class="sd"> .. hint::</span>
<span class="sd"> If :py:obj:`Result.url &lt;searx.result_types._base.Result.url&gt;` is modified,</span>
<span class="sd"> :py:obj:`Result.parsed_url &lt;searx.result_types._base.Result.parsed_url&gt;` must</span>
<span class="sd"> be changed accordingly:</span>
<span class="sd"> .. code:: python</span>
<span class="sd"> result[&quot;parsed_url&quot;] = urlparse(result[&quot;url&quot;])</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Plugin.post_search">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.Plugin.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">SXNG_Request</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span>
<span class="p">)</span> <span class="o">-&gt;</span> <span class="s2">&quot;None | list[Result | LegacyResult] | EngineResults&quot;</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Runs AFTER the search request. Can return a list of</span>
<span class="sd"> :py:obj:`Result &lt;searx.result_types._base.Result&gt;` objects to be added to the</span>
<span class="sd"> final result list.&quot;&quot;&quot;</span>
<span class="k">return</span></div>
</div>
<div class="viewcode-block" id="PluginCfg">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginCfg">[docs]</a>
<span class="nd">@dataclass</span>
<span class="k">class</span><span class="w"> </span><span class="nc">PluginCfg</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Settings of a plugin.</span>
<span class="sd"> .. code:: yaml</span>
<span class="sd"> mypackage.mymodule.MyPlugin:</span>
<span class="sd"> active: true</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">active</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Plugin is active by default and the user can *opt-out* in the preferences.&quot;&quot;&quot;</span></div>
<div class="viewcode-block" id="PluginStorage">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginStorage">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">PluginStorage</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;A storage for managing the *plugins* of SearXNG.&quot;&quot;&quot;</span>
<span class="n">plugin_list</span><span class="p">:</span> <span class="nb">set</span><span class="p">[</span><span class="n">Plugin</span><span class="p">]</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;The list of :py:obj:`Plugins` in this storage.&quot;&quot;&quot;</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Generator</span><span class="p">[</span><span class="n">Plugin</span><span class="p">]:</span>
<span class="k">yield from</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span><span class="w"> </span><span class="nf">info</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">list</span><span class="p">[</span><span class="n">PluginInfo</span><span class="p">]:</span>
<span class="k">return</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">info</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span><span class="p">]</span>
<div class="viewcode-block" id="PluginStorage.load_settings">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginStorage.load_settings">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">load_settings</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cfg</span><span class="p">:</span> <span class="nb">dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]]):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Load plugins configured in SearXNG&#39;s settings :ref:`settings</span>
<span class="sd"> plugins`.&quot;&quot;&quot;</span>
<span class="k">for</span> <span class="n">fqn</span><span class="p">,</span> <span class="n">plg_settings</span> <span class="ow">in</span> <span class="n">cfg</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">mod_name</span><span class="p">,</span> <span class="n">cls_name</span> <span class="o">=</span> <span class="n">fqn</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s1">&#39;.&#39;</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">mod</span> <span class="o">=</span> <span class="n">importlib</span><span class="o">.</span><span class="n">import_module</span><span class="p">(</span><span class="n">mod_name</span><span class="p">)</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">mod</span><span class="p">,</span> <span class="n">cls_name</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">exc</span><span class="p">:</span> <span class="c1"># pylint: disable=broad-exception-caught</span>
<span class="n">log</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="n">exc</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">msg</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">&quot;plugin </span><span class="si">{</span><span class="n">fqn</span><span class="si">}</span><span class="s2"> is not implemented&quot;</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="n">plg</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span><span class="n">PluginCfg</span><span class="p">(</span><span class="o">**</span><span class="n">plg_settings</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">plg</span><span class="p">)</span></div>
<div class="viewcode-block" id="PluginStorage.register">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginStorage.register">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">register</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plugin</span><span class="p">:</span> <span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Register a :py:obj:`Plugin`. In case of name collision (if two</span>
<span class="sd"> plugins have same ID) a :py:obj:`KeyError` exception is raised.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">if</span> <span class="n">plugin</span> <span class="ow">in</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">id</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span><span class="p">]:</span>
<span class="n">msg</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">&quot;name collision &#39;</span><span class="si">{</span><span class="n">plugin</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">&#39;&quot;</span>
<span class="n">plugin</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">critical</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">plugin</span><span class="p">)</span>
<span class="n">plugin</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;plugin has been loaded&quot;</span><span class="p">)</span></div>
<div class="viewcode-block" id="PluginStorage.init">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginStorage.init">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">init</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">app</span><span class="p">:</span> <span class="s2">&quot;flask.Flask&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Calls the method :py:obj:`Plugin.init` of each plugin in this</span>
<span class="sd"> storage. Depending on its return value, the plugin is removed from</span>
<span class="sd"> *this* storage or not.&quot;&quot;&quot;</span>
<span class="k">for</span> <span class="n">plg</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span><span class="o">.</span><span class="n">copy</span><span class="p">():</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">plg</span><span class="o">.</span><span class="n">init</span><span class="p">(</span><span class="n">app</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">plg</span><span class="p">)</span></div>
<span class="k">def</span><span class="w"> </span><span class="nf">pre_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">SXNG_Request</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span>
<span class="n">ret</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">for</span> <span class="n">plugin</span> <span class="ow">in</span> <span class="p">[</span><span class="n">p</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span> <span class="k">if</span> <span class="n">p</span><span class="o">.</span><span class="n">id</span> <span class="ow">in</span> <span class="n">search</span><span class="o">.</span><span class="n">user_plugins</span><span class="p">]:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">ret</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">(</span><span class="n">plugin</span><span class="o">.</span><span class="n">pre_search</span><span class="p">(</span><span class="n">request</span><span class="o">=</span><span class="n">request</span><span class="p">,</span> <span class="n">search</span><span class="o">=</span><span class="n">search</span><span class="p">))</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span> <span class="c1"># pylint: disable=broad-except</span>
<span class="n">plugin</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="s2">&quot;Exception while calling pre_search&quot;</span><span class="p">)</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">ret</span><span class="p">:</span>
<span class="c1"># skip this search on the first False from a plugin</span>
<span class="k">break</span>
<span class="k">return</span> <span class="n">ret</span>
<span class="k">def</span><span class="w"> </span><span class="nf">on_result</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">SXNG_Request</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">,</span> <span class="n">result</span><span class="p">:</span> <span class="s2">&quot;Result&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span>
<span class="n">ret</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">for</span> <span class="n">plugin</span> <span class="ow">in</span> <span class="p">[</span><span class="n">p</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span> <span class="k">if</span> <span class="n">p</span><span class="o">.</span><span class="n">id</span> <span class="ow">in</span> <span class="n">search</span><span class="o">.</span><span class="n">user_plugins</span><span class="p">]:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">ret</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">(</span><span class="n">plugin</span><span class="o">.</span><span class="n">on_result</span><span class="p">(</span><span class="n">request</span><span class="o">=</span><span class="n">request</span><span class="p">,</span> <span class="n">search</span><span class="o">=</span><span class="n">search</span><span class="p">,</span> <span class="n">result</span><span class="o">=</span><span class="n">result</span><span class="p">))</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span> <span class="c1"># pylint: disable=broad-except</span>
<span class="n">plugin</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="s2">&quot;Exception while calling on_result&quot;</span><span class="p">)</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">ret</span><span class="p">:</span>
<span class="c1"># ignore this result item on the first False from a plugin</span>
<span class="k">break</span>
<span class="k">return</span> <span class="n">ret</span>
<div class="viewcode-block" id="PluginStorage.post_search">
<a class="viewcode-back" href="../../../dev/plugins/development.html#searx.plugins.PluginStorage.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">SXNG_Request</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Extend :py:obj:`search.result_container</span>
<span class="sd"> &lt;searx.results.ResultContainer`&gt; with result items from plugins listed</span>
<span class="sd"> in :py:obj:`search.user_plugins &lt;SearchWithPlugins.user_plugins&gt;`.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">keyword</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">for</span> <span class="n">keyword</span> <span class="ow">in</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span><span class="o">.</span><span class="n">split</span><span class="p">():</span>
<span class="k">if</span> <span class="n">keyword</span><span class="p">:</span>
<span class="k">break</span>
<span class="k">for</span> <span class="n">plugin</span> <span class="ow">in</span> <span class="p">[</span><span class="n">p</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">plugin_list</span> <span class="k">if</span> <span class="n">p</span><span class="o">.</span><span class="n">id</span> <span class="ow">in</span> <span class="n">search</span><span class="o">.</span><span class="n">user_plugins</span><span class="p">]:</span>
<span class="k">if</span> <span class="n">plugin</span><span class="o">.</span><span class="n">keywords</span><span class="p">:</span>
<span class="c1"># plugin with keywords: skip plugin if no keyword match</span>
<span class="k">if</span> <span class="n">keyword</span> <span class="ow">and</span> <span class="n">keyword</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">plugin</span><span class="o">.</span><span class="n">keywords</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">results</span> <span class="o">=</span> <span class="n">plugin</span><span class="o">.</span><span class="n">post_search</span><span class="p">(</span><span class="n">request</span><span class="o">=</span><span class="n">request</span><span class="p">,</span> <span class="n">search</span><span class="o">=</span><span class="n">search</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span> <span class="c1"># pylint: disable=broad-except</span>
<span class="n">plugin</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="s2">&quot;Exception while calling post_search&quot;</span><span class="p">)</span>
<span class="k">continue</span>
<span class="c1"># In case of *plugins* prefix ``plugin:`` is set, see searx.result_types.Result</span>
<span class="n">search</span><span class="o">.</span><span class="n">result_container</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;plugin: </span><span class="si">{</span><span class="n">plugin</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">results</span><span class="p">)</span></div>
</div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.calculator</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=missing-module-docstring</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">t</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span> <span class="c1"># pyright: ignore[reportUnknownVariableType]</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/calculator.html#searx.plugins.calculator.SXNGPlugin">[docs]</a>
<span class="nd">@t</span><span class="o">.</span><span class="n">final</span>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Parses and solves mathematical expressions.&quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;calculator&quot;</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Calculator&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Parses and solves mathematical expressions.&quot;</span><span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;query&quot;</span><span class="p">,</span>
<span class="p">)</span></div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.hash_plugin</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=missing-module-docstring, missing-class-docstring</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">hashlib</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">EngineResults</span>
<span class="k">if</span> <span class="n">typing</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/hash_plugin.html#searx.plugins.hash_plugin.SXNGPlugin">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Plugin converts strings to different hash digests. The results are</span>
<span class="sd"> displayed in area for the &quot;answers&quot;.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;hash_plugin&quot;</span>
<span class="n">keywords</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;md5&quot;</span><span class="p">,</span> <span class="s2">&quot;sha1&quot;</span><span class="p">,</span> <span class="s2">&quot;sha224&quot;</span><span class="p">,</span> <span class="s2">&quot;sha256&quot;</span><span class="p">,</span> <span class="s2">&quot;sha384&quot;</span><span class="p">,</span> <span class="s2">&quot;sha512&quot;</span><span class="p">]</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">parser_re</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;(</span><span class="si">{</span><span class="s1">&#39;|&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">keywords</span><span class="p">)</span><span class="si">}</span><span class="s2">) (.*)&quot;</span><span class="p">,</span> <span class="n">re</span><span class="o">.</span><span class="n">I</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Hash plugin&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span>
<span class="s2">&quot;Converts strings to different hash digests. Available functions: md5, sha1, sha224, sha256, sha384, sha512.&quot;</span> <span class="c1"># pylint:disable=line-too-long</span>
<span class="p">),</span>
<span class="n">examples</span><span class="o">=</span><span class="p">[</span><span class="s2">&quot;sha512 The quick brown fox jumps over the lazy dog&quot;</span><span class="p">],</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;query&quot;</span><span class="p">,</span>
<span class="p">)</span>
<div class="viewcode-block" id="SXNGPlugin.post_search">
<a class="viewcode-back" href="../../../dev/plugins/hash_plugin.html#searx.plugins.hash_plugin.SXNGPlugin.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="s2">&quot;SXNG_Request&quot;</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">EngineResults</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Returns a result list only for the first page.&quot;&quot;&quot;</span>
<span class="n">results</span> <span class="o">=</span> <span class="n">EngineResults</span><span class="p">()</span>
<span class="k">if</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">results</span>
<span class="n">m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_re</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">m</span><span class="p">:</span>
<span class="c1"># wrong query</span>
<span class="k">return</span> <span class="n">results</span>
<span class="n">function</span><span class="p">,</span> <span class="n">string</span> <span class="o">=</span> <span class="n">m</span><span class="o">.</span><span class="n">groups</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">string</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span>
<span class="c1"># end if the string is empty</span>
<span class="k">return</span> <span class="n">results</span>
<span class="c1"># select hash function</span>
<span class="n">f</span> <span class="o">=</span> <span class="n">hashlib</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="n">function</span><span class="o">.</span><span class="n">lower</span><span class="p">())</span>
<span class="c1"># make digest from the given string</span>
<span class="n">f</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">string</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">&quot;utf-8&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">strip</span><span class="p">())</span>
<span class="n">answer</span> <span class="o">=</span> <span class="n">function</span> <span class="o">+</span> <span class="s2">&quot; &quot;</span> <span class="o">+</span> <span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;hash digest&quot;</span><span class="p">)</span> <span class="o">+</span> <span class="s2">&quot;: &quot;</span> <span class="o">+</span> <span class="n">f</span><span class="o">.</span><span class="n">hexdigest</span><span class="p">()</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="n">answer</span><span class="p">))</span>
<span class="k">return</span> <span class="n">results</span></div>
</div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.hostnames</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=too-many-branches, unused-argument</span>
<span class="sd">&quot;&quot;&quot;During the initialization phase, the plugin checks whether a ``hostnames:``</span>
<span class="sd">configuration exists. If this is not the case, the plugin is not included in the</span>
<span class="sd">PluginStorage (it is not available for selection).</span>
<span class="sd">- ``hostnames.replace``: A **mapping** of regular expressions to hostnames to be</span>
<span class="sd"> replaced by other hostnames.</span>
<span class="sd"> .. code:: yaml</span>
<span class="sd"> hostnames:</span>
<span class="sd"> replace:</span>
<span class="sd"> &#39;(.*\\.)?youtube\\.com$&#39;: &#39;invidious.example.com&#39;</span>
<span class="sd"> &#39;(.*\\.)?youtu\\.be$&#39;: &#39;invidious.example.com&#39;</span>
<span class="sd"> ...</span>
<span class="sd">- ``hostnames.remove``: A **list** of regular expressions of the hostnames whose</span>
<span class="sd"> results should be taken from the results list.</span>
<span class="sd"> .. code:: yaml</span>
<span class="sd"> hostnames:</span>
<span class="sd"> remove:</span>
<span class="sd"> - &#39;(.*\\.)?facebook.com$&#39;</span>
<span class="sd"> - ...</span>
<span class="sd">- ``hostnames.high_priority``: A **list** of regular expressions for hostnames</span>
<span class="sd"> whose result should be given higher priority. The results from these hosts are</span>
<span class="sd"> arranged higher in the results list.</span>
<span class="sd"> .. code:: yaml</span>
<span class="sd"> hostnames:</span>
<span class="sd"> high_priority:</span>
<span class="sd"> - &#39;(.*\\.)?wikipedia.org$&#39;</span>
<span class="sd"> - ...</span>
<span class="sd">- ``hostnames.lower_priority``: A **list** of regular expressions for hostnames</span>
<span class="sd"> whose result should be given lower priority. The results from these hosts are</span>
<span class="sd"> arranged lower in the results list.</span>
<span class="sd"> .. code:: yaml</span>
<span class="sd"> hostnames:</span>
<span class="sd"> low_priority:</span>
<span class="sd"> - &#39;(.*\\.)?google(\\..*)?$&#39;</span>
<span class="sd"> - ...</span>
<span class="sd">If the URL matches the pattern of ``high_priority`` AND ``low_priority``, the</span>
<span class="sd">higher priority wins over the lower priority.</span>
<span class="sd">Alternatively, you can also specify a file name for the **mappings** or</span>
<span class="sd">**lists** to load these from an external file:</span>
<span class="sd">.. code:: yaml</span>
<span class="sd"> hostnames:</span>
<span class="sd"> replace: &#39;rewrite-hosts.yml&#39;</span>
<span class="sd"> remove:</span>
<span class="sd"> - &#39;(.*\\.)?facebook.com$&#39;</span>
<span class="sd"> - ...</span>
<span class="sd"> low_priority:</span>
<span class="sd"> - &#39;(.*\\.)?google(\\..*)?$&#39;</span>
<span class="sd"> - ...</span>
<span class="sd"> high_priority:</span>
<span class="sd"> - &#39;(.*\\.)?wikipedia.org$&#39;</span>
<span class="sd"> - ...</span>
<span class="sd">The ``rewrite-hosts.yml`` from the example above must be in the folder in which</span>
<span class="sd">the ``settings.yml`` file is already located (``/etc/searxng``). The file then</span>
<span class="sd">only contains the lists or the mapping tables without further information on the</span>
<span class="sd">namespaces. In the example above, this would be a mapping table that looks</span>
<span class="sd">something like this:</span>
<span class="sd">.. code:: yaml</span>
<span class="sd"> &#39;(.*\\.)?youtube\\.com$&#39;: &#39;invidious.example.com&#39;</span>
<span class="sd"> &#39;(.*\\.)?youtu\\.be$&#39;: &#39;invidious.example.com&#39;</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">t</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">urllib.parse</span><span class="w"> </span><span class="kn">import</span> <span class="n">urlunparse</span><span class="p">,</span> <span class="n">urlparse</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span> <span class="c1"># pyright: ignore[reportUnknownVariableType]</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx</span><span class="w"> </span><span class="kn">import</span> <span class="n">settings</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types._base</span><span class="w"> </span><span class="kn">import</span> <span class="n">MainResult</span><span class="p">,</span> <span class="n">LegacyResult</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.settings_loader</span><span class="w"> </span><span class="kn">import</span> <span class="n">get_yaml_cfg</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">._core</span><span class="w"> </span><span class="kn">import</span> <span class="n">log</span>
<span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">flask</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">Result</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<span class="n">REPLACE</span><span class="p">:</span> <span class="nb">dict</span><span class="p">[</span><span class="n">re</span><span class="o">.</span><span class="n">Pattern</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">REMOVE</span><span class="p">:</span> <span class="nb">set</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<span class="n">HIGH</span><span class="p">:</span> <span class="nb">set</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<span class="n">LOW</span><span class="p">:</span> <span class="nb">set</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/hostnames.html#searx.plugins.hostnames.SXNGPlugin">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Rewrite hostnames, remove results or prioritize them.&quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;hostnames&quot;</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Hostnames plugin&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Rewrite hostnames and remove or prioritize results based on the hostname&quot;</span><span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;general&quot;</span><span class="p">,</span>
<span class="p">)</span>
<div class="viewcode-block" id="SXNGPlugin.on_result">
<a class="viewcode-back" href="../../../dev/plugins/hostnames.html#searx.plugins.hostnames.SXNGPlugin.on_result">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">on_result</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="s2">&quot;SXNG_Request&quot;</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">,</span> <span class="n">result</span><span class="p">:</span> <span class="s2">&quot;Result&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span>
<span class="k">for</span> <span class="n">pattern</span> <span class="ow">in</span> <span class="n">REMOVE</span><span class="p">:</span>
<span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">parsed_url</span> <span class="ow">and</span> <span class="n">pattern</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">result</span><span class="o">.</span><span class="n">parsed_url</span><span class="o">.</span><span class="n">netloc</span><span class="p">):</span>
<span class="c1"># if the link (parsed_url) of the result match, then remove the</span>
<span class="c1"># result from the result list, in any other case, the result</span>
<span class="c1"># remains in the list / see final &quot;return True&quot; below.</span>
<span class="c1"># log.debug(&quot;FIXME: remove [url/parsed_url] %s %s&quot;, pattern.pattern, result.url)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="n">result</span><span class="o">.</span><span class="n">filter_urls</span><span class="p">(</span><span class="n">filter_url_field</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="p">(</span><span class="n">MainResult</span><span class="p">,</span> <span class="n">LegacyResult</span><span class="p">)):</span>
<span class="k">for</span> <span class="n">pattern</span> <span class="ow">in</span> <span class="n">LOW</span><span class="p">:</span>
<span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">parsed_url</span> <span class="ow">and</span> <span class="n">pattern</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">result</span><span class="o">.</span><span class="n">parsed_url</span><span class="o">.</span><span class="n">netloc</span><span class="p">):</span>
<span class="n">result</span><span class="o">.</span><span class="n">priority</span> <span class="o">=</span> <span class="s2">&quot;low&quot;</span>
<span class="k">for</span> <span class="n">pattern</span> <span class="ow">in</span> <span class="n">HIGH</span><span class="p">:</span>
<span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">parsed_url</span> <span class="ow">and</span> <span class="n">pattern</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">result</span><span class="o">.</span><span class="n">parsed_url</span><span class="o">.</span><span class="n">netloc</span><span class="p">):</span>
<span class="n">result</span><span class="o">.</span><span class="n">priority</span> <span class="o">=</span> <span class="s2">&quot;high&quot;</span>
<span class="k">return</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="SXNGPlugin.init">
<a class="viewcode-back" href="../../../dev/plugins/hostnames.html#searx.plugins.hostnames.SXNGPlugin.init">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">init</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">app</span><span class="p">:</span> <span class="s2">&quot;flask.Flask&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span><span class="p">:</span> <span class="c1"># pylint: disable=unused-argument</span>
<span class="k">global</span> <span class="n">REPLACE</span><span class="p">,</span> <span class="n">REMOVE</span><span class="p">,</span> <span class="n">HIGH</span><span class="p">,</span> <span class="n">LOW</span> <span class="c1"># pylint: disable=global-statement</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">settings</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">):</span>
<span class="c1"># Remove plugin, if there isn&#39;t a &quot;hostnames:&quot; setting</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="n">REPLACE</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_regular_expressions</span><span class="p">(</span><span class="s2">&quot;replace&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="p">{}</span> <span class="c1"># type: ignore</span>
<span class="n">REMOVE</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_regular_expressions</span><span class="p">(</span><span class="s2">&quot;remove&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span> <span class="c1"># type: ignore</span>
<span class="n">HIGH</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_regular_expressions</span><span class="p">(</span><span class="s2">&quot;high_priority&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span> <span class="c1"># type: ignore</span>
<span class="n">LOW</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_load_regular_expressions</span><span class="p">(</span><span class="s2">&quot;low_priority&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span> <span class="c1"># type: ignore</span>
<span class="k">return</span> <span class="kc">True</span></div>
<span class="k">def</span><span class="w"> </span><span class="nf">_load_regular_expressions</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">settings_key</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">dict</span><span class="p">[</span><span class="n">re</span><span class="o">.</span><span class="n">Pattern</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">|</span> <span class="nb">set</span> <span class="o">|</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">setting_value</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">settings_key</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">setting_value</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="c1"># load external file with configuration</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">setting_value</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="n">setting_value</span> <span class="o">=</span> <span class="n">get_yaml_cfg</span><span class="p">(</span><span class="n">setting_value</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">setting_value</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
<span class="k">return</span> <span class="p">{</span><span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">r</span><span class="p">)</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">setting_value</span><span class="p">}</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">setting_value</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span>
<span class="k">return</span> <span class="p">{</span><span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">p</span><span class="p">):</span> <span class="n">r</span> <span class="k">for</span> <span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">r</span><span class="p">)</span> <span class="ow">in</span> <span class="n">setting_value</span><span class="o">.</span><span class="n">items</span><span class="p">()}</span>
<span class="k">return</span> <span class="kc">None</span></div>
<div class="viewcode-block" id="filter_url_field">
<a class="viewcode-back" href="../../../dev/plugins/hostnames.html#searx.plugins.hostnames.filter_url_field">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">filter_url_field</span><span class="p">(</span><span class="n">result</span><span class="p">:</span> <span class="s2">&quot;Result|LegacyResult&quot;</span><span class="p">,</span> <span class="n">field_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">url_src</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Returns bool ``True`` to use URL unchanged (``False`` to ignore URL).</span>
<span class="sd"> If URL should be modified, the returned string is the new URL to use.&quot;&quot;&quot;</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">url_src</span><span class="p">:</span>
<span class="n">log</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;missing a URL in field </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">field_name</span><span class="p">)</span>
<span class="k">return</span> <span class="kc">True</span>
<span class="n">url_src_parsed</span> <span class="o">=</span> <span class="n">urlparse</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="n">url_src</span><span class="p">)</span>
<span class="k">for</span> <span class="n">pattern</span> <span class="ow">in</span> <span class="n">REMOVE</span><span class="p">:</span>
<span class="k">if</span> <span class="n">pattern</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">url_src_parsed</span><span class="o">.</span><span class="n">netloc</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">for</span> <span class="n">pattern</span><span class="p">,</span> <span class="n">replacement</span> <span class="ow">in</span> <span class="n">REPLACE</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="k">if</span> <span class="n">pattern</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">url_src_parsed</span><span class="o">.</span><span class="n">netloc</span><span class="p">):</span>
<span class="n">new_url</span> <span class="o">=</span> <span class="n">url_src_parsed</span><span class="o">.</span><span class="n">_replace</span><span class="p">(</span><span class="n">netloc</span><span class="o">=</span><span class="n">pattern</span><span class="o">.</span><span class="n">sub</span><span class="p">(</span><span class="n">replacement</span><span class="p">,</span> <span class="n">url_src_parsed</span><span class="o">.</span><span class="n">netloc</span><span class="p">))</span>
<span class="n">new_url</span> <span class="o">=</span> <span class="n">urlunparse</span><span class="p">(</span><span class="n">new_url</span><span class="p">)</span>
<span class="k">return</span> <span class="n">new_url</span>
<span class="k">return</span> <span class="kc">True</span></div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.infinite_scroll</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=missing-module-docstring</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">t</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span> <span class="c1"># pyright: ignore[reportUnknownVariableType]</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/infinite_scroll.html#searx.plugins.infinite_scroll.SXNGPlugin">[docs]</a>
<span class="nd">@t</span><span class="o">.</span><span class="n">final</span>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Automatically loads the next page when scrolling to bottom of the current page.&quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;infiniteScroll&quot;</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Infinite scroll&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Automatically loads the next page when scrolling to bottom of the current page&quot;</span><span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;ui&quot;</span><span class="p">,</span>
<span class="p">)</span></div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.self_info</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=missing-module-docstring, missing-class-docstring</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">ipaddress</span><span class="w"> </span><span class="kn">import</span> <span class="n">ip_address</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">EngineResults</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">.</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="k">if</span> <span class="n">typing</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">.</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/self_info.html#searx.plugins.self_info.SXNGPlugin">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Simple plugin that displays information about user&#39;s request, including</span>
<span class="sd"> the IP or HTTP User-Agent. The information is displayed in area for the</span>
<span class="sd"> &quot;answers&quot;.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;self_info&quot;</span>
<span class="n">keywords</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;ip&quot;</span><span class="p">,</span> <span class="s2">&quot;user-agent&quot;</span><span class="p">]</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ip_regex</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="sa">r</span><span class="s2">&quot;^ip&quot;</span><span class="p">,</span> <span class="n">re</span><span class="o">.</span><span class="n">IGNORECASE</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ua_regex</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="sa">r</span><span class="s2">&quot;^user-agent&quot;</span><span class="p">,</span> <span class="n">re</span><span class="o">.</span><span class="n">IGNORECASE</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Self Information&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Displays your IP if the query is &quot;ip&quot; and your user agent if the query is &quot;user-agent&quot;.&quot;&quot;&quot;</span>
<span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;query&quot;</span><span class="p">,</span>
<span class="p">)</span>
<div class="viewcode-block" id="SXNGPlugin.post_search">
<a class="viewcode-back" href="../../../dev/plugins/self_info.html#searx.plugins.self_info.SXNGPlugin.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="s2">&quot;SXNG_Request&quot;</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">EngineResults</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Returns a result list only for the first page.&quot;&quot;&quot;</span>
<span class="n">results</span> <span class="o">=</span> <span class="n">EngineResults</span><span class="p">()</span>
<span class="k">if</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">results</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ip_regex</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span><span class="p">)</span> <span class="ow">and</span> <span class="n">request</span><span class="o">.</span><span class="n">remote_addr</span><span class="p">:</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span>
<span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Your IP is: &quot;</span><span class="p">)</span> <span class="o">+</span> <span class="n">ip_address</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">remote_addr</span><span class="p">)</span><span class="o">.</span><span class="n">compressed</span><span class="p">)</span>
<span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ua_regex</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span><span class="p">):</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Your user-agent is: &quot;</span><span class="p">)</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">user_agent</span><span class="p">)))</span>
<span class="k">return</span> <span class="n">results</span></div>
</div>
</pre></div>
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<h1>Source code for searx.plugins.time_zone</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=missing-module-docstring</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">t</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">datetime</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">EngineResults</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.weather</span><span class="w"> </span><span class="kn">import</span> <span class="n">DateTime</span><span class="p">,</span> <span class="n">GeoLocation</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">.</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/time_zone.html#searx.plugins.time_zone.SXNGPlugin">[docs]</a>
<span class="nd">@t</span><span class="o">.</span><span class="n">final</span>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Plugin to display the current time at different timezones (usually the</span>
<span class="sd"> query city).&quot;&quot;&quot;</span>
<span class="nb">id</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;time_zone&quot;</span>
<span class="n">keywords</span><span class="p">:</span> <span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;time&quot;</span><span class="p">,</span> <span class="s2">&quot;timezone&quot;</span><span class="p">,</span> <span class="s2">&quot;now&quot;</span><span class="p">,</span> <span class="s2">&quot;clock&quot;</span><span class="p">,</span> <span class="s2">&quot;timezones&quot;</span><span class="p">]</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Timezones plugin&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Display the current time on different time zones.&quot;</span><span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;query&quot;</span><span class="p">,</span>
<span class="n">examples</span><span class="o">=</span><span class="p">[</span><span class="s2">&quot;time Berlin&quot;</span><span class="p">,</span> <span class="s2">&quot;clock Los Angeles&quot;</span><span class="p">],</span>
<span class="p">)</span>
<div class="viewcode-block" id="SXNGPlugin.post_search">
<a class="viewcode-back" href="../../../dev/plugins/time_zone.html#searx.plugins.time_zone.SXNGPlugin.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="s2">&quot;SXNG_Request&quot;</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">EngineResults</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;The plugin uses the :py:obj:`searx.weather.GeoLocation` class, which</span>
<span class="sd"> is already implemented in the context of weather forecasts, to determine</span>
<span class="sd"> the time zone. The :py:obj:`searx.weather.DateTime` class is used for</span>
<span class="sd"> the localized display of date and time.&quot;&quot;&quot;</span>
<span class="n">results</span> <span class="o">=</span> <span class="n">EngineResults</span><span class="p">()</span>
<span class="k">if</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">results</span>
<span class="c1"># remove keywords from the query</span>
<span class="n">query</span> <span class="o">=</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span>
<span class="n">query_parts</span> <span class="o">=</span> <span class="nb">filter</span><span class="p">(</span><span class="k">lambda</span> <span class="n">part</span><span class="p">:</span> <span class="n">part</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">keywords</span><span class="p">,</span> <span class="n">query</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">&quot; &quot;</span><span class="p">))</span>
<span class="n">search_term</span> <span class="o">=</span> <span class="s2">&quot; &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">query_parts</span><span class="p">)</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">search_term</span><span class="p">:</span>
<span class="n">date_time</span> <span class="o">=</span> <span class="n">DateTime</span><span class="p">(</span><span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">now</span><span class="p">())</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="n">date_time</span><span class="o">.</span><span class="n">l10n</span><span class="p">()))</span>
<span class="k">return</span> <span class="n">results</span>
<span class="n">geo</span> <span class="o">=</span> <span class="n">GeoLocation</span><span class="o">.</span><span class="n">by_query</span><span class="p">(</span><span class="n">search_term</span><span class="o">=</span><span class="n">search_term</span><span class="p">)</span>
<span class="k">if</span> <span class="n">geo</span><span class="p">:</span>
<span class="n">date_time</span> <span class="o">=</span> <span class="n">DateTime</span><span class="p">(</span><span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">now</span><span class="p">(</span><span class="n">tz</span><span class="o">=</span><span class="n">geo</span><span class="o">.</span><span class="n">zoneinfo</span><span class="p">))</span>
<span class="n">tz_name</span> <span class="o">=</span> <span class="n">geo</span><span class="o">.</span><span class="n">timezone</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;_&#39;</span><span class="p">,</span> <span class="s1">&#39; &#39;</span><span class="p">)</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span>
<span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span>
<span class="n">answer</span><span class="o">=</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">tz_name</span><span class="si">}</span><span class="s2">:&quot;</span> <span class="sa">f</span><span class="s2">&quot; </span><span class="si">{</span><span class="n">date_time</span><span class="o">.</span><span class="n">l10n</span><span class="p">()</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="n">date_time</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">strftime</span><span class="p">(</span><span class="s1">&#39;%Z&#39;</span><span class="p">)</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
<span class="p">)</span>
<span class="p">)</span>
<span class="k">return</span> <span class="n">results</span></div>
</div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.tor_check</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="sd">&quot;&quot;&quot;A plugin to check if the ip address of the request is a Tor exit-node if the</span>
<span class="sd">user searches for ``tor-check``. It fetches the tor exit node list from</span>
<span class="sd">:py:obj:`url_exit_list` and parses all the IPs into a list, then checks if the</span>
<span class="sd">user&#39;s IP address is in it.</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">ipaddress</span><span class="w"> </span><span class="kn">import</span> <span class="n">ip_address</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">httpx</span><span class="w"> </span><span class="kn">import</span> <span class="n">HTTPError</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.network</span><span class="w"> </span><span class="kn">import</span> <span class="n">get</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">EngineResults</span>
<span class="k">if</span> <span class="n">typing</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<span class="c1"># Regex for exit node addresses in the list.</span>
<span class="n">reg</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="sa">r</span><span class="s2">&quot;(?&lt;=ExitAddress )\S+&quot;</span><span class="p">)</span>
<span class="n">url_exit_list</span> <span class="o">=</span> <span class="s2">&quot;https://check.torproject.org/exit-addresses&quot;</span>
<span class="sd">&quot;&quot;&quot;URL to load Tor exit list from.&quot;&quot;&quot;</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/tor_check.html#searx.plugins.tor_check.SXNGPlugin">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Rewrite hostnames, remove results or prioritize them.&quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;tor_check&quot;</span>
<span class="n">keywords</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;tor-check&quot;</span><span class="p">,</span> <span class="s2">&quot;tor_check&quot;</span><span class="p">,</span> <span class="s2">&quot;torcheck&quot;</span><span class="p">,</span> <span class="s2">&quot;tor&quot;</span><span class="p">,</span> <span class="s2">&quot;tor check&quot;</span><span class="p">]</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Tor check plugin&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span>
<span class="s2">&quot;This plugin checks if the address of the request is a Tor exit-node, and&quot;</span>
<span class="s2">&quot; informs the user if it is; like check.torproject.org, but from SearXNG.&quot;</span>
<span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;query&quot;</span><span class="p">,</span>
<span class="p">)</span>
<div class="viewcode-block" id="SXNGPlugin.post_search">
<a class="viewcode-back" href="../../../dev/plugins/tor_check.html#searx.plugins.tor_check.SXNGPlugin.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="s2">&quot;SXNG_Request&quot;</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">EngineResults</span><span class="p">:</span>
<span class="n">results</span> <span class="o">=</span> <span class="n">EngineResults</span><span class="p">()</span>
<span class="k">if</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">results</span>
<span class="k">if</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">keywords</span><span class="p">:</span>
<span class="c1"># Request the list of tor exit nodes.</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">resp</span> <span class="o">=</span> <span class="n">get</span><span class="p">(</span><span class="n">url_exit_list</span><span class="p">)</span>
<span class="n">node_list</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">findall</span><span class="p">(</span><span class="n">reg</span><span class="p">,</span> <span class="n">resp</span><span class="o">.</span><span class="n">text</span><span class="p">)</span> <span class="c1"># type: ignore</span>
<span class="k">except</span> <span class="n">HTTPError</span><span class="p">:</span>
<span class="c1"># No answer, return error</span>
<span class="n">msg</span> <span class="o">=</span> <span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Could not download the list of Tor exit-nodes from&quot;</span><span class="p">)</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">msg</span><span class="si">}</span><span class="s2"> </span><span class="si">{</span><span class="n">url_exit_list</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">))</span>
<span class="k">return</span> <span class="n">results</span>
<span class="n">real_ip</span> <span class="o">=</span> <span class="n">ip_address</span><span class="p">(</span><span class="n">address</span><span class="o">=</span><span class="nb">str</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">remote_addr</span><span class="p">))</span><span class="o">.</span><span class="n">compressed</span>
<span class="k">if</span> <span class="n">real_ip</span> <span class="ow">in</span> <span class="n">node_list</span><span class="p">:</span>
<span class="n">msg</span> <span class="o">=</span> <span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;You are using Tor and it looks like you have the external IP address&quot;</span><span class="p">)</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">msg</span><span class="si">}</span><span class="s2"> </span><span class="si">{</span><span class="n">real_ip</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">msg</span> <span class="o">=</span> <span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;You are not using Tor and you have the external IP address&quot;</span><span class="p">)</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">msg</span><span class="si">}</span><span class="s2"> </span><span class="si">{</span><span class="n">real_ip</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">))</span>
<span class="k">return</span> <span class="n">results</span></div>
</div>
</pre></div>
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<article role="main" id="furo-main-content">
<h1>Source code for searx.plugins.unit_converter</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="sd">&quot;&quot;&quot;A plugin for converting measured values from one unit to another unit (a</span>
<span class="sd">unit converter).</span>
<span class="sd">The plugin looks up the symbols (given in the query term) in a list of</span>
<span class="sd">converters, each converter is one item in the list (compare</span>
<span class="sd">:py:obj:`ADDITIONAL_UNITS`). If the symbols are ambiguous, the matching units</span>
<span class="sd">of measurement are evaluated. The weighting in the evaluation results from the</span>
<span class="sd">sorting of the :py:obj:`list of unit converters&lt;symbol_to_si&gt;`.</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">babel.numbers</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">flask_babel</span><span class="w"> </span><span class="kn">import</span> <span class="n">gettext</span><span class="p">,</span> <span class="n">get_locale</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.wikidata_units</span><span class="w"> </span><span class="kn">import</span> <span class="n">symbol_to_si</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">Plugin</span><span class="p">,</span> <span class="n">PluginInfo</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">EngineResults</span>
<span class="k">if</span> <span class="n">typing</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchWithPlugins</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.extended_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">SXNG_Request</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.plugins</span><span class="w"> </span><span class="kn">import</span> <span class="n">PluginCfg</span>
<span class="n">CONVERT_KEYWORDS</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;in&quot;</span><span class="p">,</span> <span class="s2">&quot;to&quot;</span><span class="p">,</span> <span class="s2">&quot;as&quot;</span><span class="p">]</span>
<div class="viewcode-block" id="SXNGPlugin">
<a class="viewcode-back" href="../../../dev/plugins/unit_converter.html#searx.plugins.unit_converter.SXNGPlugin">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">SXNGPlugin</span><span class="p">(</span><span class="n">Plugin</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Convert between units. The result is displayed in area for the</span>
<span class="sd"> &quot;answers&quot;.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="nb">id</span> <span class="o">=</span> <span class="s2">&quot;unit_converter&quot;</span>
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">plg_cfg</span><span class="p">:</span> <span class="s2">&quot;PluginCfg&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">plg_cfg</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">info</span> <span class="o">=</span> <span class="n">PluginInfo</span><span class="p">(</span>
<span class="nb">id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">,</span>
<span class="n">name</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Unit converter plugin&quot;</span><span class="p">),</span>
<span class="n">description</span><span class="o">=</span><span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;Convert between units&quot;</span><span class="p">),</span>
<span class="n">preference_section</span><span class="o">=</span><span class="s2">&quot;general&quot;</span><span class="p">,</span>
<span class="p">)</span>
<div class="viewcode-block" id="SXNGPlugin.post_search">
<a class="viewcode-back" href="../../../dev/plugins/unit_converter.html#searx.plugins.unit_converter.SXNGPlugin.post_search">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">post_search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="s2">&quot;SXNG_Request&quot;</span><span class="p">,</span> <span class="n">search</span><span class="p">:</span> <span class="s2">&quot;SearchWithPlugins&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">EngineResults</span><span class="p">:</span>
<span class="n">results</span> <span class="o">=</span> <span class="n">EngineResults</span><span class="p">()</span>
<span class="c1"># only convert between units on the first page</span>
<span class="k">if</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">results</span>
<span class="n">query</span> <span class="o">=</span> <span class="n">search</span><span class="o">.</span><span class="n">search_query</span><span class="o">.</span><span class="n">query</span>
<span class="n">query_parts</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">&quot; &quot;</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">query_parts</span><span class="p">)</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">:</span>
<span class="k">return</span> <span class="n">results</span>
<span class="k">for</span> <span class="n">query_part</span> <span class="ow">in</span> <span class="n">query_parts</span><span class="p">:</span>
<span class="k">for</span> <span class="n">keyword</span> <span class="ow">in</span> <span class="n">CONVERT_KEYWORDS</span><span class="p">:</span>
<span class="k">if</span> <span class="n">query_part</span> <span class="o">==</span> <span class="n">keyword</span><span class="p">:</span>
<span class="n">from_query</span><span class="p">,</span> <span class="n">to_query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="n">keyword</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">target_val</span> <span class="o">=</span> <span class="n">_parse_text_and_convert</span><span class="p">(</span><span class="n">from_query</span><span class="o">.</span><span class="n">strip</span><span class="p">(),</span> <span class="n">to_query</span><span class="o">.</span><span class="n">strip</span><span class="p">())</span>
<span class="k">if</span> <span class="n">target_val</span><span class="p">:</span>
<span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">results</span><span class="o">.</span><span class="n">types</span><span class="o">.</span><span class="n">Answer</span><span class="p">(</span><span class="n">answer</span><span class="o">=</span><span class="n">target_val</span><span class="p">))</span>
<span class="k">return</span> <span class="n">results</span></div>
</div>
<span class="c1"># inspired from https://stackoverflow.com/a/42475086</span>
<span class="n">RE_MEASURE</span> <span class="o">=</span> <span class="sa">r</span><span class="s1">&#39;&#39;&#39;</span>
<span class="s1">(?P&lt;sign&gt;[-+]?) # +/- or nothing for positive</span>
<span class="s1">(\s*) # separator: white space or nothing</span>
<span class="s1">(?P&lt;number&gt;[\d\.,]*) # number: 1,000.00 (en) or 1.000,00 (de)</span>
<span class="s1">(?P&lt;E&gt;[eE][-+]?\d+)? # scientific notation: e(+/-)2 (*10^2)</span>
<span class="s1">(\s*) # separator: white space or nothing</span>
<span class="s1">(?P&lt;unit&gt;\S+) # unit of measure</span>
<span class="s1">&#39;&#39;&#39;</span>
<span class="k">def</span><span class="w"> </span><span class="nf">_parse_text_and_convert</span><span class="p">(</span><span class="n">from_query</span><span class="p">,</span> <span class="n">to_query</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># pylint: disable=too-many-branches, too-many-locals</span>
<span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">from_query</span> <span class="ow">and</span> <span class="n">to_query</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="n">measured</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">RE_MEASURE</span><span class="p">,</span> <span class="n">from_query</span><span class="p">,</span> <span class="n">re</span><span class="o">.</span><span class="n">VERBOSE</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">measured</span> <span class="ow">and</span> <span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;number&#39;</span><span class="p">),</span> <span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;unit&#39;</span><span class="p">)):</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="c1"># Symbols are not unique, if there are several hits for the from-unit, then</span>
<span class="c1"># the correct one must be determined by comparing it with the to-unit</span>
<span class="c1"># https://github.com/searxng/searxng/pull/3378#issuecomment-2080974863</span>
<span class="c1"># first: collecting possible units</span>
<span class="n">source_list</span><span class="p">,</span> <span class="n">target_list</span> <span class="o">=</span> <span class="p">[],</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">symbol</span><span class="p">,</span> <span class="n">si_name</span><span class="p">,</span> <span class="n">from_si</span><span class="p">,</span> <span class="n">to_si</span><span class="p">,</span> <span class="n">orig_symbol</span> <span class="ow">in</span> <span class="n">symbol_to_si</span><span class="p">():</span>
<span class="k">if</span> <span class="n">symbol</span> <span class="o">==</span> <span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;unit&#39;</span><span class="p">):</span>
<span class="n">source_list</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">si_name</span><span class="p">,</span> <span class="n">to_si</span><span class="p">))</span>
<span class="k">if</span> <span class="n">symbol</span> <span class="o">==</span> <span class="n">to_query</span><span class="p">:</span>
<span class="n">target_list</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">si_name</span><span class="p">,</span> <span class="n">from_si</span><span class="p">,</span> <span class="n">orig_symbol</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">source_list</span> <span class="ow">and</span> <span class="n">target_list</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="n">source_to_si</span> <span class="o">=</span> <span class="n">target_from_si</span> <span class="o">=</span> <span class="n">target_symbol</span> <span class="o">=</span> <span class="kc">None</span>
<span class="c1"># second: find the right unit by comparing list of from-units with list of to-units</span>
<span class="k">for</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">source_list</span><span class="p">:</span>
<span class="k">for</span> <span class="n">target</span> <span class="ow">in</span> <span class="n">target_list</span><span class="p">:</span>
<span class="k">if</span> <span class="n">source</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">target</span><span class="p">[</span><span class="mi">0</span><span class="p">]:</span> <span class="c1"># compare si_name</span>
<span class="n">source_to_si</span> <span class="o">=</span> <span class="n">source</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">target_from_si</span> <span class="o">=</span> <span class="n">target</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">target_symbol</span> <span class="o">=</span> <span class="n">target</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
<span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">source_to_si</span> <span class="ow">and</span> <span class="n">target_from_si</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="n">_locale</span> <span class="o">=</span> <span class="n">get_locale</span><span class="p">()</span> <span class="ow">or</span> <span class="s1">&#39;en_US&#39;</span>
<span class="n">value</span> <span class="o">=</span> <span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;sign&#39;</span><span class="p">)</span> <span class="o">+</span> <span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;number&#39;</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;E&#39;</span><span class="p">)</span> <span class="ow">or</span> <span class="s1">&#39;&#39;</span><span class="p">)</span>
<span class="n">value</span> <span class="o">=</span> <span class="n">babel</span><span class="o">.</span><span class="n">numbers</span><span class="o">.</span><span class="n">parse_decimal</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">locale</span><span class="o">=</span><span class="n">_locale</span><span class="p">)</span>
<span class="c1"># convert value to SI unit</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source_to_si</span><span class="p">,</span> <span class="p">(</span><span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">)):</span>
<span class="n">value</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="o">*</span> <span class="n">source_to_si</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">value</span> <span class="o">=</span> <span class="n">source_to_si</span><span class="p">(</span><span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">))</span>
<span class="c1"># convert value from SI unit to target unit</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">target_from_si</span><span class="p">,</span> <span class="p">(</span><span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">)):</span>
<span class="n">value</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="o">*</span> <span class="n">target_from_si</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">value</span> <span class="o">=</span> <span class="n">target_from_si</span><span class="p">(</span><span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">))</span>
<span class="k">if</span> <span class="n">measured</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="s1">&#39;E&#39;</span><span class="p">):</span>
<span class="c1"># when incoming notation is scientific, outgoing notation is scientific</span>
<span class="n">result</span> <span class="o">=</span> <span class="n">babel</span><span class="o">.</span><span class="n">numbers</span><span class="o">.</span><span class="n">format_scientific</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">locale</span><span class="o">=</span><span class="n">_locale</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">result</span> <span class="o">=</span> <span class="n">babel</span><span class="o">.</span><span class="n">numbers</span><span class="o">.</span><span class="n">format_decimal</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">locale</span><span class="o">=</span><span class="n">_locale</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="s1">&#39;#,##0.##########;-#&#39;</span><span class="p">)</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">result</span><span class="si">}</span><span class="s1"> </span><span class="si">{</span><span class="n">target_symbol</span><span class="si">}</span><span class="s1">&#39;</span>
</pre></div>
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