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searxng/_modules/searx/engines/google_news.html

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<h1>Source code for searx.engines.google_news</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># lint: pylint</span>
<span class="sd">&quot;&quot;&quot;This is the implementation of the google news engine. The google news API</span>
<span class="sd">ignores some parameters from the common :ref:`google API`:</span>
<span class="sd">- num_ : the number of search results is ignored</span>
<span class="sd">- save_ : is ignored / Google-News results are always *SafeSearch*</span>
<span class="sd">.. _num: https://developers.google.com/custom-search/docs/xml_results#numsp</span>
<span class="sd">.. _save: https://developers.google.com/custom-search/docs/xml_results#safesp</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="c1"># pylint: disable=invalid-name</span>
<span class="kn">import</span> <span class="nn">binascii</span>
<span class="kn">import</span> <span class="nn">re</span>
<span class="kn">from</span> <span class="nn">urllib.parse</span> <span class="kn">import</span> <span class="n">urlencode</span>
<span class="kn">from</span> <span class="nn">base64</span> <span class="kn">import</span> <span class="n">b64decode</span>
<span class="kn">from</span> <span class="nn">lxml</span> <span class="kn">import</span> <span class="n">html</span>
<span class="kn">from</span> <span class="nn">searx.utils</span> <span class="kn">import</span> <span class="p">(</span>
<span class="n">eval_xpath</span><span class="p">,</span>
<span class="n">eval_xpath_list</span><span class="p">,</span>
<span class="n">eval_xpath_getindex</span><span class="p">,</span>
<span class="n">extract_text</span><span class="p">,</span>
<span class="p">)</span>
<span class="c1"># pylint: disable=unused-import</span>
<span class="kn">from</span> <span class="nn">searx.engines.google</span> <span class="kn">import</span> <span class="p">(</span>
<span class="n">supported_languages_url</span><span class="p">,</span>
<span class="n">_fetch_supported_languages</span><span class="p">,</span>
<span class="p">)</span>
<span class="c1"># pylint: enable=unused-import</span>
<span class="kn">from</span> <span class="nn">searx.engines.google</span> <span class="kn">import</span> <span class="p">(</span>
<span class="n">get_lang_info</span><span class="p">,</span>
<span class="n">detect_google_sorry</span><span class="p">,</span>
<span class="p">)</span>
<span class="c1"># about</span>
<span class="n">about</span> <span class="o">=</span> <span class="p">{</span>
<span class="s2">&quot;website&quot;</span><span class="p">:</span> <span class="s1">&#39;https://news.google.com&#39;</span><span class="p">,</span>
<span class="s2">&quot;wikidata_id&quot;</span><span class="p">:</span> <span class="s1">&#39;Q12020&#39;</span><span class="p">,</span>
<span class="s2">&quot;official_api_documentation&quot;</span><span class="p">:</span> <span class="s1">&#39;https://developers.google.com/custom-search&#39;</span><span class="p">,</span>
<span class="s2">&quot;use_official_api&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s2">&quot;require_api_key&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s2">&quot;results&quot;</span><span class="p">:</span> <span class="s1">&#39;HTML&#39;</span><span class="p">,</span>
<span class="p">}</span>
<span class="c1"># compared to other google engines google-news has a different time range</span>
<span class="c1"># support. The time range is included in the search term.</span>
<span class="n">time_range_dict</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">&#39;day&#39;</span><span class="p">:</span> <span class="s1">&#39;when:1d&#39;</span><span class="p">,</span>
<span class="s1">&#39;week&#39;</span><span class="p">:</span> <span class="s1">&#39;when:7d&#39;</span><span class="p">,</span>
<span class="s1">&#39;month&#39;</span><span class="p">:</span> <span class="s1">&#39;when:1m&#39;</span><span class="p">,</span>
<span class="s1">&#39;year&#39;</span><span class="p">:</span> <span class="s1">&#39;when:1y&#39;</span><span class="p">,</span>
<span class="p">}</span>
<span class="c1"># engine dependent config</span>
<span class="n">categories</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;news&#39;</span><span class="p">]</span>
<span class="n">paging</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">use_locale_domain</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">time_range_support</span> <span class="o">=</span> <span class="kc">True</span>
<span class="c1"># Google-News results are always *SafeSearch*. Option &#39;safesearch&#39; is set to</span>
<span class="c1"># False here, otherwise checker will report safesearch-errors::</span>
<span class="c1">#</span>
<span class="c1"># safesearch : results are identitical for safesearch=0 and safesearch=2</span>
<span class="n">safesearch</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">send_accept_language_header</span> <span class="o">=</span> <span class="kc">True</span>
<div class="viewcode-block" id="request"><a class="viewcode-back" href="../../../src/searx.engines.google.html#searx.engines.google_news.request">[docs]</a><span class="k">def</span> <span class="nf">request</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">params</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Google-News search request&quot;&quot;&quot;</span>
<span class="n">lang_info</span> <span class="o">=</span> <span class="n">get_lang_info</span><span class="p">(</span><span class="n">params</span><span class="p">,</span> <span class="n">supported_languages</span><span class="p">,</span> <span class="n">language_aliases</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
<span class="c1"># google news has only one domain</span>
<span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;subdomain&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;news.google.com&#39;</span>
<span class="n">ceid</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="si">%s</span><span class="s2">:</span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;country&#39;</span><span class="p">],</span> <span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;language&#39;</span><span class="p">])</span>
<span class="c1"># google news redirects en to en-US</span>
<span class="k">if</span> <span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;params&#39;</span><span class="p">][</span><span class="s1">&#39;hl&#39;</span><span class="p">]</span> <span class="o">==</span> <span class="s1">&#39;en&#39;</span><span class="p">:</span>
<span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;params&#39;</span><span class="p">][</span><span class="s1">&#39;hl&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;en-US&#39;</span>
<span class="c1"># Very special to google-news compared to other google engines, the time</span>
<span class="c1"># range is included in the search term.</span>
<span class="k">if</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;time_range&#39;</span><span class="p">]:</span>
<span class="n">query</span> <span class="o">+=</span> <span class="s1">&#39; &#39;</span> <span class="o">+</span> <span class="n">time_range_dict</span><span class="p">[</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;time_range&#39;</span><span class="p">]]</span>
<span class="n">query_url</span> <span class="o">=</span> <span class="p">(</span>
<span class="s1">&#39;https://&#39;</span>
<span class="o">+</span> <span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;subdomain&#39;</span><span class="p">]</span>
<span class="o">+</span> <span class="s1">&#39;/search&#39;</span>
<span class="o">+</span> <span class="s2">&quot;?&quot;</span>
<span class="o">+</span> <span class="n">urlencode</span><span class="p">({</span><span class="s1">&#39;q&#39;</span><span class="p">:</span> <span class="n">query</span><span class="p">,</span> <span class="o">**</span><span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;params&#39;</span><span class="p">],</span> <span class="s1">&#39;ie&#39;</span><span class="p">:</span> <span class="s2">&quot;utf8&quot;</span><span class="p">,</span> <span class="s1">&#39;oe&#39;</span><span class="p">:</span> <span class="s2">&quot;utf8&quot;</span><span class="p">,</span> <span class="s1">&#39;gl&#39;</span><span class="p">:</span> <span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;country&#39;</span><span class="p">]})</span>
<span class="o">+</span> <span class="p">(</span><span class="s1">&#39;&amp;ceid=</span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">ceid</span><span class="p">)</span>
<span class="p">)</span> <span class="c1"># ceid includes a &#39;:&#39; character which must not be urlencoded</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;url&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">query_url</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;cookies&#39;</span><span class="p">][</span><span class="s1">&#39;CONSENT&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;YES+&quot;</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">lang_info</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">])</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Accept&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8&#39;</span>
<span class="k">return</span> <span class="n">params</span></div>
<div class="viewcode-block" id="response"><a class="viewcode-back" href="../../../src/searx.engines.google.html#searx.engines.google_news.response">[docs]</a><span class="k">def</span> <span class="nf">response</span><span class="p">(</span><span class="n">resp</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Get response from google&#39;s search request&quot;&quot;&quot;</span>
<span class="n">results</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">detect_google_sorry</span><span class="p">(</span><span class="n">resp</span><span class="p">)</span>
<span class="c1"># convert the text to dom</span>
<span class="n">dom</span> <span class="o">=</span> <span class="n">html</span><span class="o">.</span><span class="n">fromstring</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="k">for</span> <span class="n">result</span> <span class="ow">in</span> <span class="n">eval_xpath_list</span><span class="p">(</span><span class="n">dom</span><span class="p">,</span> <span class="s1">&#39;//div[@class=&quot;xrnccd&quot;]&#39;</span><span class="p">):</span>
<span class="c1"># The first &lt;a&gt; tag in the &lt;article&gt; contains the link to the</span>
<span class="c1"># article The href attribute of the &lt;a&gt; is a google internal link,</span>
<span class="c1"># we can&#39;t use. The real link is hidden in the jslog attribute:</span>
<span class="c1">#</span>
<span class="c1"># &lt;a ...</span>
<span class="c1"># jslog=&quot;95014; 4:https://www.cnn.com/.../index.html; track:click&quot;</span>
<span class="c1"># href=&quot;./articles/CAIiENu3nGS...?hl=en-US&amp;amp;gl=US&amp;amp;ceid=US%3Aen&quot;</span>
<span class="c1"># ... /&gt;</span>
<span class="n">jslog</span> <span class="o">=</span> <span class="n">eval_xpath_getindex</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="s1">&#39;./article/a/@jslog&#39;</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="n">url</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="s1">&#39;http[^;]*&#39;</span><span class="p">,</span> <span class="n">jslog</span><span class="p">)</span>
<span class="k">if</span> <span class="n">url</span><span class="p">:</span>
<span class="n">url</span> <span class="o">=</span> <span class="n">url</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># The real URL is base64 encoded in the json attribute:</span>
<span class="c1"># jslog=&quot;95014; 5:W251bGwsbnVsbCxudW...giXQ==; track:click&quot;</span>
<span class="n">jslog</span> <span class="o">=</span> <span class="n">jslog</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="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">split</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="o">.</span><span class="n">strip</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">padding</span> <span class="o">=</span> <span class="p">(</span><span class="mi">4</span> <span class="o">-</span> <span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">jslog</span><span class="p">)</span> <span class="o">%</span> <span class="mi">4</span><span class="p">))</span> <span class="o">*</span> <span class="s2">&quot;=&quot;</span>
<span class="n">jslog</span> <span class="o">=</span> <span class="n">b64decode</span><span class="p">(</span><span class="n">jslog</span> <span class="o">+</span> <span class="n">padding</span><span class="p">)</span>
<span class="k">except</span> <span class="n">binascii</span><span class="o">.</span><span class="n">Error</span><span class="p">:</span>
<span class="c1"># URL can&#39;t be read, skip this result</span>
<span class="k">continue</span>
<span class="c1"># now we have : b&#39;[null, ... null,&quot;https://www.cnn.com/.../index.html&quot;]&#39;</span>
<span class="n">url</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="s1">&#39;http[^;&quot;]*&#39;</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">jslog</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
<span class="c1"># the first &lt;h3&gt; tag in the &lt;article&gt; contains the title of the link</span>
<span class="n">title</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">eval_xpath</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="s1">&#39;./article/h3[1]&#39;</span><span class="p">))</span>
<span class="c1"># The pub_date is mostly a string like &#39;yesertday&#39;, not a real</span>
<span class="c1"># timezone date or time. Therefore we can&#39;t use publishedDate.</span>
<span class="n">pub_date</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">eval_xpath</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="s1">&#39;./article/div[1]/div[1]/time&#39;</span><span class="p">))</span>
<span class="n">pub_origin</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">eval_xpath</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="s1">&#39;./article/div[1]/div[1]/a&#39;</span><span class="p">))</span>
<span class="n">content</span> <span class="o">=</span> <span class="s1">&#39; / &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">([</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="p">[</span><span class="n">pub_origin</span><span class="p">,</span> <span class="n">pub_date</span><span class="p">]</span> <span class="k">if</span> <span class="n">x</span><span class="p">])</span>
<span class="c1"># The image URL is located in a preceding sibling &lt;img&gt; tag, e.g.:</span>
<span class="c1"># &quot;https://lh3.googleusercontent.com/DjhQh7DMszk.....z=-p-h100-w100&quot;</span>
<span class="c1"># These URL are long but not personalized (double checked via tor).</span>
<span class="n">img_src</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">result</span><span class="o">.</span><span class="n">xpath</span><span class="p">(</span><span class="s1">&#39;preceding-sibling::a/figure/img/@src&#39;</span><span class="p">))</span>
<span class="n">results</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="p">{</span>
<span class="s1">&#39;url&#39;</span><span class="p">:</span> <span class="n">url</span><span class="p">,</span>
<span class="s1">&#39;title&#39;</span><span class="p">:</span> <span class="n">title</span><span class="p">,</span>
<span class="s1">&#39;content&#39;</span><span class="p">:</span> <span class="n">content</span><span class="p">,</span>
<span class="s1">&#39;img_src&#39;</span><span class="p">:</span> <span class="n">img_src</span><span class="p">,</span>
<span class="p">}</span>
<span class="p">)</span>
<span class="c1"># return results</span>
<span class="k">return</span> <span class="n">results</span></div>
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