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diff --git a/dev/engines/online/google.html b/dev/engines/online/google.html new file mode 100644 index 000000000..65830e64a --- /dev/null +++ b/dev/engines/online/google.html @@ -0,0 +1,468 @@ +<!DOCTYPE html> + +<html lang="en" data-content_root="../../../"> + <head> + <meta charset="utf-8" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <title>Google Engines — SearXNG Documentation (2025.1.6+6dab7fe78)</title> + <link rel="stylesheet" type="text/css" href="../../../_static/pygments.css?v=4f649999" /> + <link rel="stylesheet" type="text/css" href="../../../_static/searxng.css?v=52e4ff28" /> + <script src="../../../_static/documentation_options.js?v=ef740023"></script> + <script src="../../../_static/doctools.js?v=9a2dae69"></script> + <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script> + <script data-project="searxng" data-version="2025.1.6+6dab7fe78" src="../../../_static/describe_version.js?v=fa7f30d0"></script> + <link rel="index" title="Index" href="../../../genindex.html" /> + <link rel="search" title="Search" href="../../../search.html" /> + <link rel="next" title="Lemmy" href="lemmy.html" /> + <link rel="prev" title="GitLab" href="gitlab.html" /> + </head><body> + <div class="related" role="navigation" aria-label="Related"> + <h3>Navigation</h3> + <ul> + <li class="right" style="margin-right: 10px"> + <a href="../../../genindex.html" title="General Index" + accesskey="I">index</a></li> + <li class="right" > + <a href="../../../py-modindex.html" title="Python Module Index" + >modules</a> |</li> + <li class="right" > + <a href="lemmy.html" title="Lemmy" + accesskey="N">next</a> |</li> + <li class="right" > + <a href="gitlab.html" title="GitLab" + accesskey="P">previous</a> |</li> + <li class="nav-item nav-item-0"><a href="../../../index.html">SearXNG Documentation (2025.1.6+6dab7fe78)</a> »</li> + <li class="nav-item nav-item-1"><a href="../../index.html" >Developer documentation</a> »</li> + <li class="nav-item nav-item-2"><a href="../index.html" accesskey="U">Engine Implementations</a> »</li> + <li class="nav-item nav-item-this"><a href="">Google Engines</a></li> + </ul> + </div> + + <div class="document"> + <div class="documentwrapper"> + <div class="bodywrapper"> + <div class="body" role="main"> + + <section id="google-engines"> +<span id="id1"></span><h1>Google Engines<a class="headerlink" href="#google-engines" title="Link to this heading">¶</a></h1> +<nav class="contents local" id="contents"> +<ul class="simple"> +<li><p><a class="reference internal" href="#google-api" id="id4">Google API</a></p></li> +<li><p><a class="reference internal" href="#module-searx.engines.google" id="id5">Google WEB</a></p></li> +<li><p><a class="reference internal" href="#google-autocomplete" id="id6">Google Autocomplete</a></p></li> +<li><p><a class="reference internal" href="#module-searx.engines.google_images" id="id7">Google Images</a></p></li> +<li><p><a class="reference internal" href="#module-searx.engines.google_videos" id="id8">Google Videos</a></p></li> +<li><p><a class="reference internal" href="#module-searx.engines.google_news" id="id9">Google News</a></p></li> +<li><p><a class="reference internal" href="#module-searx.engines.google_scholar" id="id10">Google Scholar</a></p></li> +</ul> +</nav> +<section id="google-api"> +<span id="id2"></span><h2><a class="toc-backref" href="#id4" role="doc-backlink">Google API</a><a class="headerlink" href="#google-api" title="Link to this heading">¶</a></h2> +<p>SearXNG’s implementation of the Google API is mainly done in +<a class="reference internal" href="#searx.engines.google.get_google_info" title="searx.engines.google.get_google_info"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_google_info</span></code></a>.</p> +<p>For detailed description of the <em>REST-full</em> API see: <a class="reference external" href="https://developers.google.com/custom-search/docs/xml_results#WebSearch_Query_Parameter_Definitions">Query Parameter +Definitions</a>. The linked API documentation can sometimes be helpful during +reverse engineering. However, we cannot use it in the freely accessible WEB +services; not all parameters can be applied and some engines are more <em>special</em> +than other (e.g. <a class="reference internal" href="#google-news-engine"><span class="std std-ref">Google News</span></a>).</p> +</section> +<section id="module-searx.engines.google"> +<span id="google-web"></span><span id="google-web-engine"></span><h2><a class="toc-backref" href="#id5" role="doc-backlink">Google WEB</a><a class="headerlink" href="#module-searx.engines.google" title="Link to this heading">¶</a></h2> +<p>This is the implementation of the Google WEB engine. Some of this +implementations (manly the <a class="reference internal" href="#searx.engines.google.get_google_info" title="searx.engines.google.get_google_info"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_google_info</span></code></a>) are shared by other +engines:</p> +<ul class="simple"> +<li><p><a class="reference internal" href="#google-images-engine"><span class="std std-ref">Google Images</span></a></p></li> +<li><p><a class="reference internal" href="#google-news-engine"><span class="std std-ref">Google News</span></a></p></li> +<li><p><a class="reference internal" href="#google-videos-engine"><span class="std std-ref">Google Videos</span></a></p></li> +<li><p><a class="reference internal" href="#google-scholar-engine"><span class="std std-ref">Google Scholar</span></a></p></li> +<li><p><a class="reference internal" href="#google-autocomplete"><span class="std std-ref">Google Autocomplete</span></a></p></li> +</ul> +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google.fetch_traits"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google.</span></span><span class="sig-name descname"><span class="pre">fetch_traits</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">engine_traits</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../enginelib.html#searx.enginelib.traits.EngineTraits" title="searx.enginelib.traits.EngineTraits"><span class="pre">EngineTraits</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">add_domains</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.13)"><span class="pre">bool</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google.html#fetch_traits"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google.fetch_traits" title="Link to this definition">¶</a></dt> +<dd><p>Fetch languages from Google.</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google.get_google_info"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google.</span></span><span class="sig-name descname"><span class="pre">get_google_info</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">params</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">eng_traits</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google.html#get_google_info"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google.get_google_info" title="Link to this definition">¶</a></dt> +<dd><p>Composing various (language) properties for the google engines (<a class="reference internal" href="#google-api"><span class="std std-ref">Google API</span></a>).</p> +<p>This function is called by the various google engines (<a class="reference internal" href="#google-web-engine"><span class="std std-ref">Google WEB</span></a>, <a class="reference internal" href="#google-images-engine"><span class="std std-ref">Google Images</span></a>, <a class="reference internal" href="#google-news-engine"><span class="std std-ref">Google News</span></a> and +<a class="reference internal" href="#google-videos-engine"><span class="std std-ref">Google Videos</span></a>).</p> +<dl class="field-list simple"> +<dt class="field-odd">Parameters<span class="colon">:</span></dt> +<dd class="field-odd"><ul class="simple"> +<li><p><strong>param</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.13)"><em>dict</em></a>) – Request parameters of the engine. At least +a <code class="docutils literal notranslate"><span class="pre">searxng_locale</span></code> key should be in the dictionary.</p></li> +<li><p><strong>eng_traits</strong> – Engine’s traits fetched from google preferences +(<a class="reference internal" href="../enginelib.html#searx.enginelib.traits.EngineTraits" title="searx.enginelib.traits.EngineTraits"><code class="xref py py-obj docutils literal notranslate"><span class="pre">searx.enginelib.traits.EngineTraits</span></code></a>)</p></li> +</ul> +</dd> +<dt class="field-even">Return type<span class="colon">:</span></dt> +<dd class="field-even"><p><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.13)">dict</a></p> +</dd> +<dt class="field-odd">Returns<span class="colon">:</span></dt> +<dd class="field-odd"><p><p>Py-Dictionary with the key/value pairs:</p> +<dl class="simple"> +<dt>language:</dt><dd><p>The language code that is used by google (e.g. <code class="docutils literal notranslate"><span class="pre">lang_en</span></code> or +<code class="docutils literal notranslate"><span class="pre">lang_zh-TW</span></code>)</p> +</dd> +<dt>country:</dt><dd><p>The country code that is used by google (e.g. <code class="docutils literal notranslate"><span class="pre">US</span></code> or <code class="docutils literal notranslate"><span class="pre">TW</span></code>)</p> +</dd> +<dt>locale:</dt><dd><p>A instance of <a class="reference external" href="https://babel.readthedocs.io/en/latest/api/core.html#babel.core.Locale" title="(in Babel v2.2)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">babel.core.Locale</span></code></a> build from the +<code class="docutils literal notranslate"><span class="pre">searxng_locale</span></code> value.</p> +</dd> +<dt>subdomain:</dt><dd><p>Google subdomain <code class="xref py py-obj docutils literal notranslate"><span class="pre">google_domains</span></code> that fits to the country +code.</p> +</dd> +<dt>params:</dt><dd><p>Py-Dictionary with additional request arguments (can be passed to +<a class="reference external" href="https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlencode" title="(in Python v3.13)"><code class="xref py py-func docutils literal notranslate"><span class="pre">urllib.parse.urlencode()</span></code></a>).</p> +<ul class="simple"> +<li><p><code class="docutils literal notranslate"><span class="pre">hl</span></code> parameter: specifies the interface language of user interface.</p></li> +<li><p><code class="docutils literal notranslate"><span class="pre">lr</span></code> parameter: restricts search results to documents written in +a particular language.</p></li> +<li><p><code class="docutils literal notranslate"><span class="pre">cr</span></code> parameter: restricts search results to documents +originating in a particular country.</p></li> +<li><p><code class="docutils literal notranslate"><span class="pre">ie</span></code> parameter: sets the character encoding scheme that should +be used to interpret the query string (‘utf8’).</p></li> +<li><p><code class="docutils literal notranslate"><span class="pre">oe</span></code> parameter: sets the character encoding scheme that should +be used to decode the XML result (‘utf8’).</p></li> +</ul> +</dd> +<dt>headers:</dt><dd><p>Py-Dictionary with additional HTTP headers (can be passed to +request’s headers)</p> +<ul class="simple"> +<li><p><code class="docutils literal notranslate"><span class="pre">Accept:</span> <span class="pre">'*/*</span></code></p></li> +</ul> +</dd> +</dl> +</p> +</dd> +</dl> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google.request"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google.</span></span><span class="sig-name descname"><span class="pre">request</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">query</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">params</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google.html#request"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google.request" title="Link to this definition">¶</a></dt> +<dd><p>Google search request</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google.response"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google.</span></span><span class="sig-name descname"><span class="pre">response</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">resp</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google.html#response"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google.response" title="Link to this definition">¶</a></dt> +<dd><p>Get response from google’s search request</p> +</dd></dl> + +<dl class="py data"> +<dt class="sig sig-object py" id="searx.engines.google.UI_ASYNC"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google.</span></span><span class="sig-name descname"><span class="pre">UI_ASYNC</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'use_ac:true,_fmt:prog'</span></em><a class="headerlink" href="#searx.engines.google.UI_ASYNC" title="Link to this definition">¶</a></dt> +<dd><p>Format of the response from UI’s async request.</p> +</dd></dl> + +</section> +<section id="google-autocomplete"> +<span id="id3"></span><h2><a class="toc-backref" href="#id6" role="doc-backlink">Google Autocomplete</a><a class="headerlink" href="#google-autocomplete" title="Link to this heading">¶</a></h2> +<dl class="py function"> +<dt class="sig sig-object py" id="searx.autocomplete.google_complete"> +<span class="sig-prename descclassname"><span class="pre">searx.autocomplete.</span></span><span class="sig-name descname"><span class="pre">google_complete</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">query</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">sxng_locale</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/autocomplete.html#google_complete"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.autocomplete.google_complete" title="Link to this definition">¶</a></dt> +<dd><p>Autocomplete from Google. Supports Google’s languages and subdomains +(<a class="reference internal" href="#searx.engines.google.get_google_info" title="searx.engines.google.get_google_info"><code class="xref py py-obj docutils literal notranslate"><span class="pre">searx.engines.google.get_google_info</span></code></a>) by using the async REST +API:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>https://{subdomain}/complete/search?{args} +</pre></div> +</div> +</dd></dl> + +</section> +<section id="module-searx.engines.google_images"> +<span id="google-images"></span><span id="google-images-engine"></span><h2><a class="toc-backref" href="#id7" role="doc-backlink">Google Images</a><a class="headerlink" href="#module-searx.engines.google_images" title="Link to this heading">¶</a></h2> +<p>This is the implementation of the Google Images engine using the internal +Google API used by the Google Go Android app.</p> +<p>This internal API offer results in</p> +<ul class="simple"> +<li><p>JSON (<code class="docutils literal notranslate"><span class="pre">_fmt:json</span></code>)</p></li> +<li><p><a class="reference external" href="https://en.wikipedia.org/wiki/Protocol_Buffers">Protobuf</a> (<code class="docutils literal notranslate"><span class="pre">_fmt:pb</span></code>)</p></li> +<li><p><a class="reference external" href="https://en.wikipedia.org/wiki/Protocol_Buffers">Protobuf</a> compressed? (<code class="docutils literal notranslate"><span class="pre">_fmt:pc</span></code>)</p></li> +<li><p>HTML (<code class="docutils literal notranslate"><span class="pre">_fmt:html</span></code>)</p></li> +<li><p><a class="reference external" href="https://en.wikipedia.org/wiki/Protocol_Buffers">Protobuf</a> encoded in JSON (<code class="docutils literal notranslate"><span class="pre">_fmt:jspb</span></code>).</p></li> +</ul> +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_images.request"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_images.</span></span><span class="sig-name descname"><span class="pre">request</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">query</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">params</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_images.html#request"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_images.request" title="Link to this definition">¶</a></dt> +<dd><p>Google-Image search request</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_images.response"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_images.</span></span><span class="sig-name descname"><span class="pre">response</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">resp</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_images.html#response"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_images.response" title="Link to this definition">¶</a></dt> +<dd><p>Get response from google’s search request</p> +</dd></dl> + +</section> +<section id="module-searx.engines.google_videos"> +<span id="google-videos"></span><span id="google-videos-engine"></span><h2><a class="toc-backref" href="#id8" role="doc-backlink">Google Videos</a><a class="headerlink" href="#module-searx.engines.google_videos" title="Link to this heading">¶</a></h2> +<p>This is the implementation of the Google Videos engine.</p> +<div class="admonition-content-security-policy-csp admonition"> +<p class="admonition-title">Content-Security-Policy (CSP)</p> +<p>This engine needs to allow images from the <a class="reference external" href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs">data URLs</a> (prefixed with the +<code class="docutils literal notranslate"><span class="pre">data:</span></code> scheme):</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Header</span> <span class="nb">set</span> <span class="n">Content</span><span class="o">-</span><span class="n">Security</span><span class="o">-</span><span class="n">Policy</span> <span class="s2">"img-src 'self' data: ;"</span> +</pre></div> +</div> +</div> +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_videos.request"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_videos.</span></span><span class="sig-name descname"><span class="pre">request</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">query</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">params</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_videos.html#request"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_videos.request" title="Link to this definition">¶</a></dt> +<dd><p>Google-Video search request</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_videos.response"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_videos.</span></span><span class="sig-name descname"><span class="pre">response</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">resp</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_videos.html#response"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_videos.response" title="Link to this definition">¶</a></dt> +<dd><p>Get response from google’s search request</p> +</dd></dl> + +</section> +<section id="module-searx.engines.google_news"> +<span id="google-news"></span><span id="google-news-engine"></span><h2><a class="toc-backref" href="#id9" role="doc-backlink">Google News</a><a class="headerlink" href="#module-searx.engines.google_news" title="Link to this heading">¶</a></h2> +<p>This is the implementation of the Google News engine.</p> +<p>Google News has a different region handling compared to Google WEB.</p> +<ul class="simple"> +<li><p>the <code class="docutils literal notranslate"><span class="pre">ceid</span></code> argument has to be set (<a class="reference internal" href="#searx.engines.google_news.ceid_list" title="searx.engines.google_news.ceid_list"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ceid_list</span></code></a>)</p></li> +<li><p>the <a class="reference external" href="https://developers.google.com/custom-search/docs/xml_results#hlsp">hl</a> argument has to be set correctly (and different to Google WEB)</p></li> +<li><p>the <a class="reference external" href="https://developers.google.com/custom-search/docs/xml_results#glsp">gl</a> argument is mandatory</p></li> +</ul> +<p>If one of this argument is not set correctly, the request is redirected to +CONSENT dialog:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>https://consent.google.com/m?continue= +</pre></div> +</div> +<p>The google news API ignores some parameters from the common <a class="reference internal" href="#google-api"><span class="std std-ref">Google API</span></a>:</p> +<ul class="simple"> +<li><p><a class="reference external" href="https://developers.google.com/custom-search/docs/xml_results#numsp">num</a> : the number of search results is ignored / there is no paging all +results for a query term are in the first response.</p></li> +<li><p><a class="reference external" href="https://developers.google.com/custom-search/docs/xml_results#safesp">save</a> : is ignored / Google-News results are always <em>SafeSearch</em></p></li> +</ul> +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_news.request"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_news.</span></span><span class="sig-name descname"><span class="pre">request</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">query</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">params</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_news.html#request"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_news.request" title="Link to this definition">¶</a></dt> +<dd><p>Google-News search request</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_news.response"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_news.</span></span><span class="sig-name descname"><span class="pre">response</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">resp</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_news.html#response"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_news.response" title="Link to this definition">¶</a></dt> +<dd><p>Get response from google’s search request</p> +</dd></dl> + +<dl class="py data"> +<dt class="sig sig-object py" id="searx.engines.google_news.ceid_list"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_news.</span></span><span class="sig-name descname"><span class="pre">ceid_list</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">['AE:ar',</span> <span class="pre">'AR:es-419',</span> <span class="pre">'AT:de',</span> <span class="pre">'AU:en',</span> <span class="pre">'BD:bn',</span> <span class="pre">'BE:fr',</span> <span class="pre">'BE:nl',</span> <span class="pre">'BG:bg',</span> <span class="pre">'BR:pt-419',</span> <span class="pre">'BW:en',</span> <span class="pre">'CA:en',</span> <span class="pre">'CA:fr',</span> <span class="pre">'CH:de',</span> <span class="pre">'CH:fr',</span> <span class="pre">'CL:es-419',</span> <span class="pre">'CN:zh-Hans',</span> <span class="pre">'CO:es-419',</span> <span class="pre">'CU:es-419',</span> <span class="pre">'CZ:cs',</span> <span class="pre">'DE:de',</span> <span class="pre">'EG:ar',</span> <span class="pre">'ES:es',</span> <span class="pre">'ET:en',</span> <span class="pre">'FR:fr',</span> <span class="pre">'GB:en',</span> <span class="pre">'GH:en',</span> <span class="pre">'GR:el',</span> <span class="pre">'HK:zh-Hant',</span> <span class="pre">'HU:hu',</span> <span class="pre">'ID:en',</span> <span class="pre">'ID:id',</span> <span class="pre">'IE:en',</span> <span class="pre">'IL:en',</span> <span class="pre">'IL:he',</span> <span class="pre">'IN:bn',</span> <span class="pre">'IN:en',</span> <span class="pre">'IN:hi',</span> <span class="pre">'IN:ml',</span> <span class="pre">'IN:mr',</span> <span class="pre">'IN:ta',</span> <span class="pre">'IN:te',</span> <span class="pre">'IT:it',</span> <span class="pre">'JP:ja',</span> <span class="pre">'KE:en',</span> <span class="pre">'KR:ko',</span> <span class="pre">'LB:ar',</span> <span class="pre">'LT:lt',</span> <span class="pre">'LV:en',</span> <span class="pre">'LV:lv',</span> <span class="pre">'MA:fr',</span> <span class="pre">'MX:es-419',</span> <span class="pre">'MY:en',</span> <span class="pre">'NA:en',</span> <span class="pre">'NG:en',</span> <span class="pre">'NL:nl',</span> <span class="pre">'NO:no',</span> <span class="pre">'NZ:en',</span> <span class="pre">'PE:es-419',</span> <span class="pre">'PH:en',</span> <span class="pre">'PK:en',</span> <span class="pre">'PL:pl',</span> <span class="pre">'PT:pt-150',</span> <span class="pre">'RO:ro',</span> <span class="pre">'RS:sr',</span> <span class="pre">'RU:ru',</span> <span class="pre">'SA:ar',</span> <span class="pre">'SE:sv',</span> <span class="pre">'SG:en',</span> <span class="pre">'SI:sl',</span> <span class="pre">'SK:sk',</span> <span class="pre">'SN:fr',</span> <span class="pre">'TH:th',</span> <span class="pre">'TR:tr',</span> <span class="pre">'TW:zh-Hant',</span> <span class="pre">'TZ:en',</span> <span class="pre">'UA:ru',</span> <span class="pre">'UA:uk',</span> <span class="pre">'UG:en',</span> <span class="pre">'US:en',</span> <span class="pre">'US:es-419',</span> <span class="pre">'VE:es-419',</span> <span class="pre">'VN:vi',</span> <span class="pre">'ZA:en',</span> <span class="pre">'ZW:en']</span></em><a class="headerlink" href="#searx.engines.google_news.ceid_list" title="Link to this definition">¶</a></dt> +<dd><p>List of region/language combinations supported by Google News. Values of the +<code class="docutils literal notranslate"><span class="pre">ceid</span></code> argument of the Google News REST API.</p> +</dd></dl> + +</section> +<section id="module-searx.engines.google_scholar"> +<span id="google-scholar"></span><span id="google-scholar-engine"></span><h2><a class="toc-backref" href="#id10" role="doc-backlink">Google Scholar</a><a class="headerlink" href="#module-searx.engines.google_scholar" title="Link to this heading">¶</a></h2> +<p>This is the implementation of the Google Scholar engine.</p> +<p>Compared to other Google services the Scholar engine has a simple GET REST-API +and there does not exists <cite>async</cite> API. Even though the API slightly vintage we +can make use of the <a class="reference internal" href="#google-api"><span class="std std-ref">Google API</span></a> to assemble the arguments of the GET +request.</p> +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_scholar.detect_google_captcha"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_scholar.</span></span><span class="sig-name descname"><span class="pre">detect_google_captcha</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dom</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_scholar.html#detect_google_captcha"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_scholar.detect_google_captcha" title="Link to this definition">¶</a></dt> +<dd><p>In case of CAPTCHA Google Scholar open its own <em>not a Robot</em> dialog and is +not redirected to <code class="docutils literal notranslate"><span class="pre">sorry.google.com</span></code>.</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_scholar.parse_gs_a"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_scholar.</span></span><span class="sig-name descname"><span class="pre">parse_gs_a</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">text</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.13)"><span class="pre">str</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_scholar.html#parse_gs_a"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_scholar.parse_gs_a" title="Link to this definition">¶</a></dt> +<dd><p>Parse the text written in green.</p> +<p>Possible formats: +* “{authors} - {journal}, {year} - {publisher}” +* “{authors} - {year} - {publisher}” +* “{authors} - {publisher}”</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_scholar.request"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_scholar.</span></span><span class="sig-name descname"><span class="pre">request</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">query</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">params</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_scholar.html#request"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_scholar.request" title="Link to this definition">¶</a></dt> +<dd><p>Google-Scholar search request</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_scholar.response"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_scholar.</span></span><span class="sig-name descname"><span class="pre">response</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">resp</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_scholar.html#response"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_scholar.response" title="Link to this definition">¶</a></dt> +<dd><p>Parse response from Google Scholar</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="searx.engines.google_scholar.time_range_args"> +<span class="sig-prename descclassname"><span class="pre">searx.engines.google_scholar.</span></span><span class="sig-name descname"><span class="pre">time_range_args</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">params</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/searx/engines/google_scholar.html#time_range_args"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#searx.engines.google_scholar.time_range_args" title="Link to this definition">¶</a></dt> +<dd><p>Returns a dictionary with a time range arguments based on +<code class="docutils literal notranslate"><span class="pre">params['time_range']</span></code>.</p> +<p>Google Scholar supports a detailed search by year. Searching by <em>last +month</em> or <em>last week</em> (as offered by SearXNG) is uncommon for scientific +publications and is not supported by Google Scholar.</p> +<p>To limit the result list when the users selects a range, all the SearXNG +ranges (<em>day</em>, <em>week</em>, <em>month</em>, <em>year</em>) are mapped to <em>year</em>. If no range +is set an empty dictionary of arguments is returned. Example; when +user selects a time range (current year minus one in 2022):</p> +<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="p">{</span> <span class="s1">'as_ylo'</span> <span class="p">:</span> <span class="mi">2021</span> <span class="p">}</span> +</pre></div> +</div> +</dd></dl> + +</section> +</section> + + + <div class="clearer"></div> + </div> + </div> + </div> + <span id="sidebar-top"></span> + <div class="sphinxsidebar" role="navigation" aria-label="Main"> + <div class="sphinxsidebarwrapper"> + + + <p class="logo"><a href="../../../index.html"> + <img class="logo" src="../../../_static/searxng-wordmark.svg" alt="Logo of SearXNG"/> + </a></p> + + +<h3><a href="../../../index.html">Table of Contents</a></h3> +<ul class="current"> +<li class="toctree-l1"><a class="reference internal" href="../../../user/index.html">User information</a></li> +<li class="toctree-l1"><a class="reference internal" href="../../../own-instance.html">Why 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class="search" action="../../../search.html" method="get"> + <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/> + <input type="submit" value="Go" /> + </form> + </div> +</search> +<script>document.getElementById('searchbox').style.display = "block"</script> + <div role="note" aria-label="source link"> + <h3>This Page</h3> + <ul class="this-page-menu"> + <li><a href="../../../_sources/dev/engines/online/google.rst.txt" + rel="nofollow">Show Source</a></li> + </ul> + </div> + </div> + </div> + <div class="clearer"></div> + </div> + <div class="footer" role="contentinfo"> + © Copyright SearXNG team. + </div> + </body> +</html>
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