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  1. <!DOCTYPE html>
    2. 

  2. 

  3. <html lang="en" data-content_root="../../../">
    4. 

  4.   <head>
    5. 

  5.     <meta charset="utf-8" />
    6. 

  6.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    7. 

  7.   <meta name="viewport" content="width=device-width, initial-scale=1">
    8. 

  8.     <title>searx.engines.duckduckgo &#8212; SearXNG Documentation (2025.4.30+fd33559cf)</title>
    9. 

  9.     <link rel="stylesheet" type="text/css" href="../../../_static/pygments.css?v=6625fa76" />
    10. 

  10.     <link rel="stylesheet" type="text/css" href="../../../_static/searxng.css?v=52e4ff28" />
    11. 

  11.     <script src="../../../_static/documentation_options.js?v=b12b0e12"></script>
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  14.     <script data-project="searxng" data-version="2025.4.30+fd33559cf" src="../../../_static/describe_version.js?v=fa7f30d0"></script>
    15. 

  15.     <link rel="index" title="Index" href="../../../genindex.html" />
    16. 

  16.     <link rel="search" title="Search" href="../../../search.html" /> 
    17. 

  17.   </head><body>
    18. 

  18.     <div class="related" role="navigation" aria-label="Related">
    19. 

  19.       <h3>Navigation</h3>
    20. 

  20.       <ul>
    21. 

  21.         <li class="right" style="margin-right: 10px">
    22. 

  22.           <a href="../../../genindex.html" title="General Index"
    23. 

  23.              accesskey="I">index</a></li>
    24. 

  24.         <li class="right" >
    25. 

  25.           <a href="../../../py-modindex.html" title="Python Module Index"
    26. 

  26.              >modules</a> |</li>
    27. 

  27.         <li class="nav-item nav-item-0"><a href="../../../index.html">SearXNG Documentation (2025.4.30+fd33559cf)</a> &#187;</li>
    28. 

  28.           <li class="nav-item nav-item-1"><a href="../../index.html" >Module code</a> &#187;</li>
    29. 

  29.           <li class="nav-item nav-item-2"><a href="../engines.html" accesskey="U">searx.engines</a> &#187;</li>
    30. 

  30.         <li class="nav-item nav-item-this"><a href="">searx.engines.duckduckgo</a></li> 
    31. 

  31.       </ul>
    32. 

  32.     </div>  
    33. 

  33. 

  34.     <div class="document">
    35. 

  35.       <div class="documentwrapper">
    36. 

  36.         <div class="bodywrapper">
    37. 

  37.           <div class="body" role="main">
    38. 

  38.             
    39. 

  39.   <h1>Source code for searx.engines.duckduckgo</h1><div class="highlight"><pre>
    40. 

  40. <span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
    41. 

  41. <span class="sd">&quot;&quot;&quot;</span>
    42. 

  42. <span class="sd">DuckDuckGo WEB</span>
    43. 

  43. <span class="sd">~~~~~~~~~~~~~~</span>
    44. 

  44. <span class="sd">&quot;&quot;&quot;</span>
    45. 

  45. 

  46. <span class="kn">from</span><span class="w"> </span><span class="nn">__future__</span><span class="w"> </span><span class="kn">import</span> <span class="n">annotations</span>
    47. 

  47. 

  48. <span class="kn">from</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="kn">import</span> <span class="n">TYPE_CHECKING</span>
    49. 

  49. <span class="kn">import</span><span class="w"> </span><span class="nn">re</span>
    50. 

  50. <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">quote_plus</span>
    51. 

  51. <span class="kn">import</span><span class="w"> </span><span class="nn">json</span>
    52. 

  52. <span class="kn">import</span><span class="w"> </span><span class="nn">babel</span>
    53. 

  53. <span class="kn">import</span><span class="w"> </span><span class="nn">lxml.html</span>
    54. 

  54. 

  55. <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="p">(</span>
    56. 

  56.     <span class="n">locales</span><span class="p">,</span>
    57. 

  57.     <span class="n">redislib</span><span class="p">,</span>
    58. 

  58.     <span class="n">external_bang</span><span class="p">,</span>
    59. 

  59. <span class="p">)</span>
    60. 

  60. <span class="kn">from</span><span class="w"> </span><span class="nn">searx.utils</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
    61. 

  61.     <span class="n">eval_xpath</span><span class="p">,</span>
    62. 

  62.     <span class="n">eval_xpath_getindex</span><span class="p">,</span>
    63. 

  63.     <span class="n">extr</span><span class="p">,</span>
    64. 

  64.     <span class="n">extract_text</span><span class="p">,</span>
    65. 

  65. <span class="p">)</span>
    66. 

  66. <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="c1"># see https://github.com/searxng/searxng/issues/762</span>
    67. 

  67. <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">redisdb</span>
    68. 

  68. <span class="kn">from</span><span class="w"> </span><span class="nn">searx.enginelib.traits</span><span class="w"> </span><span class="kn">import</span> <span class="n">EngineTraits</span>
    69. 

  69. <span class="kn">from</span><span class="w"> </span><span class="nn">searx.exceptions</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearxEngineCaptchaException</span>
    70. 

  70. <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>
    71. 

  71. 

  72. <span class="k">if</span> <span class="n">TYPE_CHECKING</span><span class="p">:</span>
    73. 

  73.     <span class="kn">import</span><span class="w"> </span><span class="nn">logging</span>
    74. 

  74. 

  75.     <span class="n">logger</span><span class="p">:</span> <span class="n">logging</span><span class="o">.</span><span class="n">Logger</span>
    76. 

  76. 

  77. <span class="n">traits</span><span class="p">:</span> <span class="n">EngineTraits</span>
    78. 

  78. 

  79. <span class="n">about</span> <span class="o">=</span> <span class="p">{</span>
    80. 

  80.     <span class="s2">&quot;website&quot;</span><span class="p">:</span> <span class="s1">&#39;https://lite.duckduckgo.com/lite/&#39;</span><span class="p">,</span>
    81. 

  81.     <span class="s2">&quot;wikidata_id&quot;</span><span class="p">:</span> <span class="s1">&#39;Q12805&#39;</span><span class="p">,</span>
    82. 

  82.     <span class="s2">&quot;use_official_api&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
    83. 

  83.     <span class="s2">&quot;require_api_key&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
    84. 

  84.     <span class="s2">&quot;results&quot;</span><span class="p">:</span> <span class="s1">&#39;HTML&#39;</span><span class="p">,</span>
    85. 

  85. <span class="p">}</span>
    86. 

  86. 

  87. <span class="n">send_accept_language_header</span> <span class="o">=</span> <span class="kc">True</span>
    88. 

  88. <span class="sd">&quot;&quot;&quot;DuckDuckGo-Lite tries to guess user&#39;s preferred language from the HTTP</span>
    89. 

  89. <span class="sd">``Accept-Language``.  Optional the user can select a region filter (but not a</span>
    90. 

  90. <span class="sd">language).</span>
    91. 

  91. <span class="sd">&quot;&quot;&quot;</span>
    92. 

  92. 

  93. <span class="c1"># engine dependent config</span>
    94. 

  94. <span class="n">categories</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;general&#39;</span><span class="p">,</span> <span class="s1">&#39;web&#39;</span><span class="p">]</span>
    95. 

  95. <span class="n">paging</span> <span class="o">=</span> <span class="kc">True</span>
    96. 

  96. <span class="n">time_range_support</span> <span class="o">=</span> <span class="kc">True</span>
    97. 

  97. <span class="n">safesearch</span> <span class="o">=</span> <span class="kc">True</span>  <span class="c1"># user can&#39;t select but the results are filtered</span>
    98. 

  98. 

  99. <span class="n">url</span> <span class="o">=</span> <span class="s2">&quot;https://html.duckduckgo.com/html&quot;</span>
    100. 

  100. 

  101. <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;d&#39;</span><span class="p">,</span> <span class="s1">&#39;week&#39;</span><span class="p">:</span> <span class="s1">&#39;w&#39;</span><span class="p">,</span> <span class="s1">&#39;month&#39;</span><span class="p">:</span> <span class="s1">&#39;m&#39;</span><span class="p">,</span> <span class="s1">&#39;year&#39;</span><span class="p">:</span> <span class="s1">&#39;y&#39;</span><span class="p">}</span>
    102. 

  102. <span class="n">form_data</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;v&#39;</span><span class="p">:</span> <span class="s1">&#39;l&#39;</span><span class="p">,</span> <span class="s1">&#39;api&#39;</span><span class="p">:</span> <span class="s1">&#39;d.js&#39;</span><span class="p">,</span> <span class="s1">&#39;o&#39;</span><span class="p">:</span> <span class="s1">&#39;json&#39;</span><span class="p">}</span>
    103. 

  103. <span class="n">__CACHE</span> <span class="o">=</span> <span class="p">[]</span>
    104. 

  104. 

  105. 

  106. <span class="k">def</span><span class="w"> </span><span class="nf">_cache_key</span><span class="p">(</span><span class="n">query</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">region</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
    107. 

  107.     <span class="k">return</span> <span class="s1">&#39;SearXNG_ddg_web_vqd&#39;</span> <span class="o">+</span> <span class="n">redislib</span><span class="o">.</span><span class="n">secret_hash</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">query</span><span class="si">}</span><span class="s2">//</span><span class="si">{</span><span class="n">region</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
    108. 

  108. 

  109. 

  110. <div class="viewcode-block" id="cache_vqd">
    111. 

  111. <a class="viewcode-back" href="../../../dev/engines/online/duckduckgo.html#searx.engines.duckduckgo.cache_vqd">[docs]</a>
    112. 

  112. <span class="k">def</span><span class="w"> </span><span class="nf">cache_vqd</span><span class="p">(</span><span class="n">query</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">region</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
    113. 

  113. <span class="w">    </span><span class="sd">&quot;&quot;&quot;Caches a ``vqd`` value from a query.&quot;&quot;&quot;</span>
    114. 

  114.     <span class="n">c</span> <span class="o">=</span> <span class="n">redisdb</span><span class="o">.</span><span class="n">client</span><span class="p">()</span>
    115. 

  115.     <span class="k">if</span> <span class="n">c</span><span class="p">:</span>
    116. 

  116.         <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;VALKEY cache vqd value: </span><span class="si">%s</span><span class="s2"> (</span><span class="si">%s</span><span class="s2">)&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">,</span> <span class="n">region</span><span class="p">)</span>
    117. 

  117.         <span class="n">c</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">_cache_key</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">region</span><span class="p">),</span> <span class="n">value</span><span class="p">,</span> <span class="n">ex</span><span class="o">=</span><span class="mi">600</span><span class="p">)</span>
    118. 

  118. 

  119.     <span class="k">else</span><span class="p">:</span>
    120. 

  120.         <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;MEM cache vqd value: </span><span class="si">%s</span><span class="s2"> (</span><span class="si">%s</span><span class="s2">)&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">,</span> <span class="n">region</span><span class="p">)</span>
    121. 

  121.         <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">__CACHE</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">100</span><span class="p">:</span>  <span class="c1"># cache vqd from last 100 queries</span>
    122. 

  122.             <span class="n">__CACHE</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
    123. 

  123.         <span class="n">__CACHE</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">_cache_key</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">region</span><span class="p">),</span> <span class="n">value</span><span class="p">))</span></div>
    124. 

  124. 

  125. 

  126. 

  127. <div class="viewcode-block" id="get_vqd">
    128. 

  128. <a class="viewcode-back" href="../../../dev/engines/online/duckduckgo.html#searx.engines.duckduckgo.get_vqd">[docs]</a>
    129. 

  129. <span class="k">def</span><span class="w"> </span><span class="nf">get_vqd</span><span class="p">(</span><span class="n">query</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">region</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">force_request</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">):</span>
    130. 

  130. <span class="w">    </span><span class="sd">&quot;&quot;&quot;Returns the ``vqd`` that fits to the *query*.</span>
    131. 

  131. 

  132. <span class="sd">    :param query: The query term</span>
    133. 

  133. <span class="sd">    :param region: DDG&#39;s region code</span>
    134. 

  134. <span class="sd">    :param force_request: force a request to get a vqd value from DDG</span>
    135. 

  135. 

  136. <span class="sd">    TL;DR; the ``vqd`` value is needed to pass DDG&#39;s bot protection and is used</span>
    137. 

  137. <span class="sd">    by all request to DDG:</span>
    138. 

  138. 

  139. <span class="sd">    - DuckDuckGo Lite: ``https://lite.duckduckgo.com/lite`` (POST form data)</span>
    140. 

  140. <span class="sd">    - DuckDuckGo Web: ``https://links.duckduckgo.com/d.js?q=...&amp;vqd=...``</span>
    141. 

  141. <span class="sd">    - DuckDuckGo Images: ``https://duckduckgo.com/i.js??q=...&amp;vqd=...``</span>
    142. 

  142. <span class="sd">    - DuckDuckGo Videos: ``https://duckduckgo.com/v.js??q=...&amp;vqd=...``</span>
    143. 

  143. <span class="sd">    - DuckDuckGo News: ``https://duckduckgo.com/news.js??q=...&amp;vqd=...``</span>
    144. 

  144. 

  145. <span class="sd">    DDG&#39;s bot detection is sensitive to the ``vqd`` value.  For some search terms</span>
    146. 

  146. <span class="sd">    (such as extremely long search terms that are often sent by bots), no ``vqd``</span>
    147. 

  147. <span class="sd">    value can be determined.</span>
    148. 

  148. 

  149. <span class="sd">    If SearXNG cannot determine a ``vqd`` value, then no request should go out</span>
    150. 

  150. <span class="sd">    to DDG.</span>
    151. 

  151. 

  152. <span class="sd">    .. attention::</span>
    153. 

  153. 

  154. <span class="sd">       A request with a wrong ``vqd`` value leads to DDG temporarily putting</span>
    155. 

  155. <span class="sd">       SearXNG&#39;s IP on a block list.</span>
    156. 

  156. 

  157. <span class="sd">    Requests from IPs in this block list run into timeouts.  Not sure, but it</span>
    158. 

  158. <span class="sd">    seems the block list is a sliding window: to get my IP rid from the bot list</span>
    159. 

  159. <span class="sd">    I had to cool down my IP for 1h (send no requests from that IP to DDG).</span>
    160. 

  160. <span class="sd">    &quot;&quot;&quot;</span>
    161. 

  161.     <span class="n">key</span> <span class="o">=</span> <span class="n">_cache_key</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">region</span><span class="p">)</span>
    162. 

  162. 

  163.     <span class="n">c</span> <span class="o">=</span> <span class="n">redisdb</span><span class="o">.</span><span class="n">client</span><span class="p">()</span>
    164. 

  164.     <span class="k">if</span> <span class="n">c</span><span class="p">:</span>
    165. 

  165.         <span class="n">value</span> <span class="o">=</span> <span class="n">c</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
    166. 

  166.         <span class="k">if</span> <span class="n">value</span> <span class="ow">or</span> <span class="n">value</span> <span class="o">==</span> <span class="sa">b</span><span class="s1">&#39;&#39;</span><span class="p">:</span>
    167. 

  167.             <span class="n">value</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span>  <span class="c1"># type: ignore</span>
    168. 

  168.             <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;re-use CACHED vqd value: </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
    169. 

  169.             <span class="k">return</span> <span class="n">value</span>
    170. 

  170. 

  171.     <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">__CACHE</span><span class="p">:</span>
    172. 

  172.         <span class="k">if</span> <span class="n">k</span> <span class="o">==</span> <span class="n">key</span><span class="p">:</span>
    173. 

  173.             <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;MEM re-use CACHED vqd value: </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
    174. 

  174.             <span class="k">return</span> <span class="n">value</span>
    175. 

  175. 

  176.     <span class="k">if</span> <span class="n">force_request</span><span class="p">:</span>
    177. 

  177.         <span class="n">resp</span> <span class="o">=</span> <span class="n">get</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;https://duckduckgo.com/?q=</span><span class="si">{</span><span class="n">quote_plus</span><span class="p">(</span><span class="n">query</span><span class="p">)</span><span class="si">}</span><span class="s1">&#39;</span><span class="p">)</span>
    178. 

  178.         <span class="k">if</span> <span class="n">resp</span><span class="o">.</span><span class="n">status_code</span> <span class="o">==</span> <span class="mi">200</span><span class="p">:</span>  <span class="c1"># type: ignore</span>
    179. 

  179.             <span class="n">value</span> <span class="o">=</span> <span class="n">extr</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="s1">&#39;vqd=&quot;&#39;</span><span class="p">,</span> <span class="s1">&#39;&quot;&#39;</span><span class="p">)</span>  <span class="c1"># type: ignore</span>
    180. 

  180.             <span class="k">if</span> <span class="n">value</span><span class="p">:</span>
    181. 

  181.                 <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;vqd value from DDG request: </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
    182. 

  182.                 <span class="n">cache_vqd</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">region</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
    183. 

  183.                 <span class="k">return</span> <span class="n">value</span>
    184. 

  184. 

  185.     <span class="k">return</span> <span class="kc">None</span></div>
    186. 

  186. 

  187. 

  188. 

  189. <div class="viewcode-block" id="get_ddg_lang">
    190. 

  190. <a class="viewcode-back" href="../../../dev/engines/online/duckduckgo.html#searx.engines.duckduckgo.get_ddg_lang">[docs]</a>
    191. 

  191. <span class="k">def</span><span class="w"> </span><span class="nf">get_ddg_lang</span><span class="p">(</span><span class="n">eng_traits</span><span class="p">:</span> <span class="n">EngineTraits</span><span class="p">,</span> <span class="n">sxng_locale</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="s1">&#39;en_US&#39;</span><span class="p">):</span>
    192. 

  192. <span class="w">    </span><span class="sd">&quot;&quot;&quot;Get DuckDuckGo&#39;s language identifier from SearXNG&#39;s locale.</span>
    193. 

  193. 

  194. <span class="sd">    DuckDuckGo defines its languages by region codes (see</span>
    195. 

  195. <span class="sd">    :py:obj:`fetch_traits`).</span>
    196. 

  196. 

  197. <span class="sd">    To get region and language of a DDG service use:</span>
    198. 

  198. 

  199. <span class="sd">    .. code: python</span>
    200. 

  200. 

  201. <span class="sd">       eng_region = traits.get_region(params[&#39;searxng_locale&#39;], traits.all_locale)</span>
    202. 

  202. <span class="sd">       eng_lang = get_ddg_lang(traits, params[&#39;searxng_locale&#39;])</span>
    203. 

  203. 

  204. <span class="sd">    It might confuse, but the ``l`` value of the cookie is what SearXNG calls</span>
    205. 

  205. <span class="sd">    the *region*:</span>
    206. 

  206. 

  207. <span class="sd">    .. code:: python</span>
    208. 

  208. 

  209. <span class="sd">        # !ddi paris :es-AR --&gt; {&#39;ad&#39;: &#39;es_AR&#39;, &#39;ah&#39;: &#39;ar-es&#39;, &#39;l&#39;: &#39;ar-es&#39;}</span>
    210. 

  210. <span class="sd">        params[&#39;cookies&#39;][&#39;ad&#39;] = eng_lang</span>
    211. 

  211. <span class="sd">        params[&#39;cookies&#39;][&#39;ah&#39;] = eng_region</span>
    212. 

  212. <span class="sd">        params[&#39;cookies&#39;][&#39;l&#39;] = eng_region</span>
    213. 

  213. 

  214. <span class="sd">    .. hint::</span>
    215. 

  215. 

  216. <span class="sd">       `DDG-lite &lt;https://lite.duckduckgo.com/lite&gt;`__ and the *no Javascript*</span>
    217. 

  217. <span class="sd">       page https://html.duckduckgo.com/html do not offer a language selection</span>
    218. 

  218. <span class="sd">       to the user, only a region can be selected by the user (``eng_region``</span>
    219. 

  219. <span class="sd">       from the example above).  DDG-lite and *no Javascript* store the selected</span>
    220. 

  220. <span class="sd">       region in a cookie::</span>
    221. 

  221. 

  222. <span class="sd">         params[&#39;cookies&#39;][&#39;kl&#39;] = eng_region  # &#39;ar-es&#39;</span>
    223. 

  223. 

  224. <span class="sd">    &quot;&quot;&quot;</span>
    225. 

  225.     <span class="k">return</span> <span class="n">eng_traits</span><span class="o">.</span><span class="n">custom</span><span class="p">[</span><span class="s1">&#39;lang_region&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span>  <span class="c1"># type: ignore</span>
    226. 

  226.         <span class="n">sxng_locale</span><span class="p">,</span> <span class="n">eng_traits</span><span class="o">.</span><span class="n">get_language</span><span class="p">(</span><span class="n">sxng_locale</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span>
    227. 

  227.     <span class="p">)</span></div>
    228. 

  228. 

  229. 

  230. 

  231. <span class="n">ddg_reg_map</span> <span class="o">=</span> <span class="p">{</span>
    232. 

  232.     <span class="s1">&#39;tw-tzh&#39;</span><span class="p">:</span> <span class="s1">&#39;zh_TW&#39;</span><span class="p">,</span>
    233. 

  233.     <span class="s1">&#39;hk-tzh&#39;</span><span class="p">:</span> <span class="s1">&#39;zh_HK&#39;</span><span class="p">,</span>
    234. 

  234.     <span class="s1">&#39;ct-ca&#39;</span><span class="p">:</span> <span class="s1">&#39;skip&#39;</span><span class="p">,</span>  <span class="c1"># ct-ca and es-ca both map to ca_ES</span>
    235. 

  235.     <span class="s1">&#39;es-ca&#39;</span><span class="p">:</span> <span class="s1">&#39;ca_ES&#39;</span><span class="p">,</span>
    236. 

  236.     <span class="s1">&#39;id-en&#39;</span><span class="p">:</span> <span class="s1">&#39;id_ID&#39;</span><span class="p">,</span>
    237. 

  237.     <span class="s1">&#39;no-no&#39;</span><span class="p">:</span> <span class="s1">&#39;nb_NO&#39;</span><span class="p">,</span>
    238. 

  238.     <span class="s1">&#39;jp-jp&#39;</span><span class="p">:</span> <span class="s1">&#39;ja_JP&#39;</span><span class="p">,</span>
    239. 

  239.     <span class="s1">&#39;kr-kr&#39;</span><span class="p">:</span> <span class="s1">&#39;ko_KR&#39;</span><span class="p">,</span>
    240. 

  240.     <span class="s1">&#39;xa-ar&#39;</span><span class="p">:</span> <span class="s1">&#39;ar_SA&#39;</span><span class="p">,</span>
    241. 

  241.     <span class="s1">&#39;sl-sl&#39;</span><span class="p">:</span> <span class="s1">&#39;sl_SI&#39;</span><span class="p">,</span>
    242. 

  242.     <span class="s1">&#39;th-en&#39;</span><span class="p">:</span> <span class="s1">&#39;th_TH&#39;</span><span class="p">,</span>
    243. 

  243.     <span class="s1">&#39;vn-en&#39;</span><span class="p">:</span> <span class="s1">&#39;vi_VN&#39;</span><span class="p">,</span>
    244. 

  244. <span class="p">}</span>
    245. 

  245. 

  246. <span class="n">ddg_lang_map</span> <span class="o">=</span> <span class="p">{</span>
    247. 

  247.     <span class="c1"># use ar --&gt; ar_EG (Egypt&#39;s arabic)</span>
    248. 

  248.     <span class="s2">&quot;ar_DZ&quot;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    249. 

  249.     <span class="s2">&quot;ar_JO&quot;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    250. 

  250.     <span class="s2">&quot;ar_SA&quot;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    251. 

  251.     <span class="c1"># use bn --&gt; bn_BD</span>
    252. 

  252.     <span class="s1">&#39;bn_IN&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    253. 

  253.     <span class="c1"># use de --&gt; de_DE</span>
    254. 

  254.     <span class="s1">&#39;de_CH&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    255. 

  255.     <span class="c1"># use en --&gt; en_US,</span>
    256. 

  256.     <span class="s1">&#39;en_AU&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    257. 

  257.     <span class="s1">&#39;en_CA&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    258. 

  258.     <span class="s1">&#39;en_GB&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    259. 

  259.     <span class="c1"># Esperanto</span>
    260. 

  260.     <span class="s1">&#39;eo_XX&#39;</span><span class="p">:</span> <span class="s1">&#39;eo&#39;</span><span class="p">,</span>
    261. 

  261.     <span class="c1"># use es --&gt; es_ES,</span>
    262. 

  262.     <span class="s1">&#39;es_AR&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    263. 

  263.     <span class="s1">&#39;es_CL&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    264. 

  264.     <span class="s1">&#39;es_CO&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    265. 

  265.     <span class="s1">&#39;es_CR&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    266. 

  266.     <span class="s1">&#39;es_EC&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    267. 

  267.     <span class="s1">&#39;es_MX&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    268. 

  268.     <span class="s1">&#39;es_PE&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    269. 

  269.     <span class="s1">&#39;es_UY&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    270. 

  270.     <span class="s1">&#39;es_VE&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    271. 

  271.     <span class="c1"># use fr --&gt; rf_FR</span>
    272. 

  272.     <span class="s1">&#39;fr_CA&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    273. 

  273.     <span class="s1">&#39;fr_CH&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    274. 

  274.     <span class="s1">&#39;fr_BE&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    275. 

  275.     <span class="c1"># use nl --&gt; nl_NL</span>
    276. 

  276.     <span class="s1">&#39;nl_BE&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    277. 

  277.     <span class="c1"># use pt --&gt; pt_PT</span>
    278. 

  278.     <span class="s1">&#39;pt_BR&#39;</span><span class="p">:</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">,</span>
    279. 

  279.     <span class="c1"># skip these languages</span>
    280. 

  280.     <span class="s1">&#39;od_IN&#39;</span><span class="p">:</span> <span class="s1">&#39;skip&#39;</span><span class="p">,</span>
    281. 

  281.     <span class="s1">&#39;io_XX&#39;</span><span class="p">:</span> <span class="s1">&#39;skip&#39;</span><span class="p">,</span>
    282. 

  282.     <span class="s1">&#39;tokipona_XX&#39;</span><span class="p">:</span> <span class="s1">&#39;skip&#39;</span><span class="p">,</span>
    283. 

  283. <span class="p">}</span>
    284. 

  284. 

  285. 

  286. <span class="k">def</span><span class="w"> </span><span class="nf">quote_ddg_bangs</span><span class="p">(</span><span class="n">query</span><span class="p">):</span>
    287. 

  287.     <span class="c1"># quote ddg bangs</span>
    288. 

  288.     <span class="n">query_parts</span> <span class="o">=</span> <span class="p">[]</span>
    289. 

  289. 

  290.     <span class="c1"># for val in re.split(r&#39;(\s+)&#39;, query):</span>
    291. 

  291.     <span class="k">for</span> <span class="n">val</span> <span class="ow">in</span> <span class="n">re</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="sa">r</span><span class="s1">&#39;(\s+)&#39;</span><span class="p">,</span> <span class="n">query</span><span class="p">):</span>
    292. 

  292.         <span class="k">if</span> <span class="ow">not</span> <span class="n">val</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span>
    293. 

  293.             <span class="k">continue</span>
    294. 

  294.         <span class="k">if</span> <span class="n">val</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">&#39;!&#39;</span><span class="p">)</span> <span class="ow">and</span> <span class="n">external_bang</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">external_bang</span><span class="o">.</span><span class="n">EXTERNAL_BANGS</span><span class="p">,</span> <span class="n">val</span><span class="p">[</span><span class="mi">1</span><span class="p">:]):</span>
    295. 

  295.             <span class="n">val</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">&quot;&#39;</span><span class="si">{</span><span class="n">val</span><span class="si">}</span><span class="s2">&#39;&quot;</span>
    296. 

  296.         <span class="n">query_parts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
    297. 

  297.     <span class="k">return</span> <span class="s1">&#39; &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">query_parts</span><span class="p">)</span>
    298. 

  298. 

  299. 

  300. <span class="k">def</span><span class="w"> </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>
    301. 

  301. 

  302.     <span class="n">query</span> <span class="o">=</span> <span class="n">quote_ddg_bangs</span><span class="p">(</span><span class="n">query</span><span class="p">)</span>
    303. 

  303. 

  304.     <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">query</span><span class="p">)</span> <span class="o">&gt;=</span> <span class="mi">500</span><span class="p">:</span>
    305. 

  305.         <span class="c1"># DDG does not accept queries with more than 499 chars</span>
    306. 

  306.         <span class="n">params</span><span class="p">[</span><span class="s2">&quot;url&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
    307. 

  307.         <span class="k">return</span>
    308. 

  308. 

  309.     <span class="c1"># Advanced search syntax ends in CAPTCHA</span>
    310. 

  310.     <span class="c1"># https://duckduckgo.com/duckduckgo-help-pages/results/syntax/</span>
    311. 

  311.     <span class="n">query</span> <span class="o">=</span> <span class="s2">&quot; &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
    312. 

  312.         <span class="p">[</span>
    313. 

  313.             <span class="n">x</span><span class="o">.</span><span class="n">removeprefix</span><span class="p">(</span><span class="s2">&quot;site:&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">removeprefix</span><span class="p">(</span><span class="s2">&quot;intitle:&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">removeprefix</span><span class="p">(</span><span class="s2">&quot;inurl:&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">removeprefix</span><span class="p">(</span><span class="s2">&quot;filetype:&quot;</span><span class="p">)</span>
    314. 

  314.             <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">split</span><span class="p">()</span>
    315. 

  315.         <span class="p">]</span>
    316. 

  316.     <span class="p">)</span>
    317. 

  317.     <span class="n">eng_region</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="n">traits</span><span class="o">.</span><span class="n">get_region</span><span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;searxng_locale&#39;</span><span class="p">],</span> <span class="n">traits</span><span class="o">.</span><span class="n">all_locale</span><span class="p">)</span>  <span class="c1"># type: ignore</span>
    318. 

  318.     <span class="k">if</span> <span class="n">eng_region</span> <span class="o">==</span> <span class="s2">&quot;wt-wt&quot;</span><span class="p">:</span>
    319. 

  319.         <span class="c1"># https://html.duckduckgo.com/html sets an empty value for &quot;all&quot;.</span>
    320. 

  320.         <span class="n">eng_region</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
    321. 

  321. 

  322.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;kl&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">eng_region</span>
    323. 

  323.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;cookies&#39;</span><span class="p">][</span><span class="s1">&#39;kl&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">eng_region</span>
    324. 

  324. 

  325.     <span class="c1"># eng_lang = get_ddg_lang(traits, params[&#39;searxng_locale&#39;])</span>
    326. 

  326. 

  327.     <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">url</span>
    328. 

  328.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;method&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;POST&#39;</span>
    329. 

  329.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;q&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">query</span>
    330. 

  330. 

  331.     <span class="c1"># The API is not documented, so we do some reverse engineering and emulate</span>
    332. 

  332.     <span class="c1"># what https://html.duckduckgo.com/html does when you press &quot;next Page&quot; link</span>
    333. 

  333.     <span class="c1"># again and again ..</span>
    334. 

  334. 

  335.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Content-Type&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;application/x-www-form-urlencoded&#39;</span>
    336. 

  336. 

  337.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Sec-Fetch-Dest&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;document&quot;</span>
    338. 

  338.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Sec-Fetch-Mode&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;navigate&quot;</span>  <span class="c1"># at least this one is used by ddg&#39;s bot detection</span>
    339. 

  339.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Sec-Fetch-Site&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;same-origin&quot;</span>
    340. 

  340.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Sec-Fetch-User&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;?1&quot;</span>
    341. 

  341. 

  342.     <span class="c1"># Form of the initial search page does have empty values in the form</span>
    343. 

  343.     <span class="k">if</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">]</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
    344. 

  344. 

  345.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;b&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
    346. 

  346. 

  347.     <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;df&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span>
    348. 

  348.     <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="ow">in</span> <span class="n">time_range_dict</span><span class="p">:</span>
    349. 

  349. 

  350.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;df&#39;</span><span class="p">]</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>
    351. 

  351.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;cookies&#39;</span><span class="p">][</span><span class="s1">&#39;df&#39;</span><span class="p">]</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>
    352. 

  352. 

  353.     <span class="k">if</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">]</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
    354. 

  354. 

  355.         <span class="c1"># second page does have an offset of 20</span>
    356. 

  356.         <span class="n">offset</span> <span class="o">=</span> <span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">]</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> <span class="o">*</span> <span class="mi">20</span>
    357. 

  357.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;s&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">offset</span>
    358. 

  358.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;dc&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">offset</span> <span class="o">+</span> <span class="mi">1</span>
    359. 

  359. 

  360.     <span class="k">elif</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">]</span> <span class="o">&gt;</span> <span class="mi">2</span><span class="p">:</span>
    361. 

  361. 

  362.         <span class="c1"># third and following pages do have an offset of 20 + n*50</span>
    363. 

  363.         <span class="n">offset</span> <span class="o">=</span> <span class="mi">20</span> <span class="o">+</span> <span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">]</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> <span class="o">*</span> <span class="mi">50</span>
    364. 

  364.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;s&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">offset</span>
    365. 

  365.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;dc&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">offset</span> <span class="o">+</span> <span class="mi">1</span>
    366. 

  366. 

  367.     <span class="k">if</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">]</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
    368. 

  368. 

  369.         <span class="c1"># initial page does not have these additional data in the input form</span>
    370. 

  370.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;o&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">form_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;o&#39;</span><span class="p">,</span> <span class="s1">&#39;json&#39;</span><span class="p">)</span>
    371. 

  371.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;api&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">form_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;api&#39;</span><span class="p">,</span> <span class="s1">&#39;d.js&#39;</span><span class="p">)</span>
    372. 

  372.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;nextParams&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">form_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;nextParams&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">)</span>
    373. 

  373.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;v&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">form_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;v&#39;</span><span class="p">,</span> <span class="s1">&#39;l&#39;</span><span class="p">)</span>
    374. 

  374.         <span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">][</span><span class="s1">&#39;Referer&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">url</span>
    375. 

  375. 

  376.         <span class="n">vqd</span> <span class="o">=</span> <span class="n">get_vqd</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">eng_region</span><span class="p">,</span> <span class="n">force_request</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
    377. 

  377. 

  378.         <span class="c1"># Certain conditions must be met in order to call up one of the</span>
    379. 

  379.         <span class="c1"># following pages ...</span>
    380. 

  380. 

  381.         <span class="k">if</span> <span class="n">vqd</span><span class="p">:</span>
    382. 

  382.             <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;vqd&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">vqd</span>  <span class="c1"># follow up pages / requests needs a vqd argument</span>
    383. 

  383.         <span class="k">else</span><span class="p">:</span>
    384. 

  384.             <span class="c1"># Don&#39;t try to call follow up pages without a vqd value.  DDG</span>
    385. 

  385.             <span class="c1"># recognizes this as a request from a bot.  This lowers the</span>
    386. 

  386.             <span class="c1"># reputation of the SearXNG IP and DDG starts to activate CAPTCHAs.</span>
    387. 

  387.             <span class="n">params</span><span class="p">[</span><span class="s2">&quot;url&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
    388. 

  388.             <span class="k">return</span>
    389. 

  389. 

  390.         <span class="k">if</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;searxng_locale&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">&quot;zh&quot;</span><span class="p">):</span>
    391. 

  391.             <span class="c1"># Some locales (at least China) do not have a &quot;next page&quot; button and ddg</span>
    392. 

  392.             <span class="c1"># will return a HTTP/2 403 Forbidden for a request of such a page.</span>
    393. 

  393.             <span class="n">params</span><span class="p">[</span><span class="s2">&quot;url&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
    394. 

  394.             <span class="k">return</span>
    395. 

  395. 

  396.     <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;param data: </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">])</span>
    397. 

  397.     <span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;param cookies: </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;cookies&#39;</span><span class="p">])</span>
    398. 

  398. 

  399. 

  400. <div class="viewcode-block" id="is_ddg_captcha">
    401. 

  401. <a class="viewcode-back" href="../../../dev/engines/online/duckduckgo.html#searx.engines.duckduckgo.is_ddg_captcha">[docs]</a>
    402. 

  402. <span class="k">def</span><span class="w"> </span><span class="nf">is_ddg_captcha</span><span class="p">(</span><span class="n">dom</span><span class="p">):</span>
    403. 

  403. <span class="w">    </span><span class="sd">&quot;&quot;&quot;In case of CAPTCHA ddg response its own *not a Robot* dialog and is not</span>
    404. 

  404. <span class="sd">    redirected to a CAPTCHA page.&quot;&quot;&quot;</span>
    405. 

  405. 

  406.     <span class="k">return</span> <span class="nb">bool</span><span class="p">(</span><span class="n">eval_xpath</span><span class="p">(</span><span class="n">dom</span><span class="p">,</span> <span class="s2">&quot;//form[@id=&#39;challenge-form&#39;]&quot;</span><span class="p">))</span></div>
    407. 

  407. 

  408. 

  409. 

  410. <span class="k">def</span><span class="w"> </span><span class="nf">response</span><span class="p">(</span><span class="n">resp</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">EngineResults</span><span class="p">:</span>
    411. 

  411.     <span class="n">results</span> <span class="o">=</span> <span class="n">EngineResults</span><span class="p">()</span>
    412. 

  412. 

  413.     <span class="k">if</span> <span class="n">resp</span><span class="o">.</span><span class="n">status_code</span> <span class="o">==</span> <span class="mi">303</span><span class="p">:</span>
    414. 

  414.         <span class="k">return</span> <span class="n">results</span>
    415. 

  415. 

  416.     <span class="n">doc</span> <span class="o">=</span> <span class="n">lxml</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>
    417. 

  417. 

  418.     <span class="k">if</span> <span class="n">is_ddg_captcha</span><span class="p">(</span><span class="n">doc</span><span class="p">):</span>
    419. 

  419.         <span class="c1"># set suspend time to zero is OK --&gt; ddg does not block the IP</span>
    420. 

  420.         <span class="k">raise</span> <span class="n">SearxEngineCaptchaException</span><span class="p">(</span><span class="n">suspended_time</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">message</span><span class="o">=</span><span class="sa">f</span><span class="s2">&quot;CAPTCHA (</span><span class="si">{</span><span class="n">resp</span><span class="o">.</span><span class="n">search_params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;kl&#39;</span><span class="p">)</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
    421. 

  421. 

  422.     <span class="n">form</span> <span class="o">=</span> <span class="n">eval_xpath</span><span class="p">(</span><span class="n">doc</span><span class="p">,</span> <span class="s1">&#39;//input[@name=&quot;vqd&quot;]/..&#39;</span><span class="p">)</span>
    423. 

  423.     <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">form</span><span class="p">):</span>
    424. 

  424.         <span class="c1"># some locales (at least China) does not have a &quot;next page&quot; button</span>
    425. 

  425.         <span class="n">form</span> <span class="o">=</span> <span class="n">form</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
    426. 

  426.         <span class="n">form_vqd</span> <span class="o">=</span> <span class="n">eval_xpath</span><span class="p">(</span><span class="n">form</span><span class="p">,</span> <span class="s1">&#39;//input[@name=&quot;vqd&quot;]/@value&#39;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
    427. 

  427. 

  428.         <span class="n">cache_vqd</span><span class="p">(</span><span class="n">resp</span><span class="o">.</span><span class="n">search_params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;q&#39;</span><span class="p">],</span> <span class="n">resp</span><span class="o">.</span><span class="n">search_params</span><span class="p">[</span><span class="s1">&#39;data&#39;</span><span class="p">][</span><span class="s1">&#39;kl&#39;</span><span class="p">],</span> <span class="n">form_vqd</span><span class="p">)</span>
    429. 

  429. 

  430.     <span class="c1"># just select &quot;web-result&quot; and ignore results of class &quot;result--ad result--ad--small&quot;</span>
    431. 

  431.     <span class="k">for</span> <span class="n">div_result</span> <span class="ow">in</span> <span class="n">eval_xpath</span><span class="p">(</span><span class="n">doc</span><span class="p">,</span> <span class="s1">&#39;//div[@id=&quot;links&quot;]/div[contains(@class, &quot;web-result&quot;)]&#39;</span><span class="p">):</span>
    432. 

  432. 

  433.         <span class="n">item</span> <span class="o">=</span> <span class="p">{}</span>
    434. 

  434.         <span class="n">title</span> <span class="o">=</span> <span class="n">eval_xpath</span><span class="p">(</span><span class="n">div_result</span><span class="p">,</span> <span class="s1">&#39;.//h2/a&#39;</span><span class="p">)</span>
    435. 

  435.         <span class="k">if</span> <span class="ow">not</span> <span class="n">title</span><span class="p">:</span>
    436. 

  436.             <span class="c1"># this is the &quot;No results.&quot; item in the result list</span>
    437. 

  437.             <span class="k">continue</span>
    438. 

  438.         <span class="n">item</span><span class="p">[</span><span class="s2">&quot;title&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">title</span><span class="p">)</span>
    439. 

  439.         <span class="n">item</span><span class="p">[</span><span class="s2">&quot;url&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">eval_xpath</span><span class="p">(</span><span class="n">div_result</span><span class="p">,</span> <span class="s1">&#39;.//h2/a/@href&#39;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
    440. 

  440.         <span class="n">item</span><span class="p">[</span><span class="s2">&quot;content&quot;</span><span class="p">]</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">div_result</span><span class="p">,</span> <span class="s1">&#39;.//a[contains(@class, &quot;result__snippet&quot;)]&#39;</span><span class="p">)[</span><span class="mi">0</span><span class="p">])</span>
    441. 

  441. 

  442.         <span class="n">results</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">item</span><span class="p">)</span>
    443. 

  443. 

  444.     <span class="n">zero_click_info_xpath</span> <span class="o">=</span> <span class="s1">&#39;//div[@id=&quot;zero_click_abstract&quot;]&#39;</span>
    445. 

  445.     <span class="n">zero_click</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">doc</span><span class="p">,</span> <span class="n">zero_click_info_xpath</span><span class="p">))</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>  <span class="c1"># type: ignore</span>
    446. 

  446. 

  447.     <span class="k">if</span> <span class="n">zero_click</span> <span class="ow">and</span> <span class="p">(</span>
    448. 

  448.         <span class="s2">&quot;Your IP address is&quot;</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">zero_click</span>
    449. 

  449.         <span class="ow">and</span> <span class="s2">&quot;Your user agent:&quot;</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">zero_click</span>
    450. 

  450.         <span class="ow">and</span> <span class="s2">&quot;URL Decoded:&quot;</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">zero_click</span>
    451. 

  451.     <span class="p">):</span>
    452. 

  452.         <span class="n">results</span><span class="o">.</span><span class="n">add</span><span class="p">(</span>
    453. 

  453.             <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>
    454. 

  454.                 <span class="n">answer</span><span class="o">=</span><span class="n">zero_click</span><span class="p">,</span>
    455. 

  455.                 <span class="n">url</span><span class="o">=</span><span class="n">eval_xpath_getindex</span><span class="p">(</span><span class="n">doc</span><span class="p">,</span> <span class="s1">&#39;//div[@id=&quot;zero_click_abstract&quot;]/a/@href&#39;</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
    456. 

  456.             <span class="p">)</span>
    457. 

  457.         <span class="p">)</span>
    458. 

  458. 

  459.     <span class="k">return</span> <span class="n">results</span>
    460. 

  460. 

  461. 

  462. <div class="viewcode-block" id="fetch_traits">
    463. 

  463. <a class="viewcode-back" href="../../../dev/engines/online/duckduckgo.html#searx.engines.duckduckgo.fetch_traits">[docs]</a>
    464. 

  464. <span class="k">def</span><span class="w"> </span><span class="nf">fetch_traits</span><span class="p">(</span><span class="n">engine_traits</span><span class="p">:</span> <span class="n">EngineTraits</span><span class="p">):</span>
    465. 

  465. <span class="w">    </span><span class="sd">&quot;&quot;&quot;Fetch languages &amp; regions from DuckDuckGo.</span>
    466. 

  466. 

  467. <span class="sd">    SearXNG&#39;s ``all`` locale maps DuckDuckGo&#39;s &quot;Alle regions&quot; (``wt-wt``).</span>
    468. 

  468. <span class="sd">    DuckDuckGo&#39;s language &quot;Browsers preferred language&quot; (``wt_WT``) makes no</span>
    469. 

  469. <span class="sd">    sense in a SearXNG request since SearXNG&#39;s ``all`` will not add a</span>
    470. 

  470. <span class="sd">    ``Accept-Language`` HTTP header.  The value in ``engine_traits.all_locale``</span>
    471. 

  471. <span class="sd">    is ``wt-wt`` (the region).</span>
    472. 

  472. 

  473. <span class="sd">    Beside regions DuckDuckGo also defines its languages by region codes.  By</span>
    474. 

  474. <span class="sd">    example these are the english languages in DuckDuckGo:</span>
    475. 

  475. 

  476. <span class="sd">    - en_US</span>
    477. 

  477. <span class="sd">    - en_AU</span>
    478. 

  478. <span class="sd">    - en_CA</span>
    479. 

  479. <span class="sd">    - en_GB</span>
    480. 

  480. 

  481. <span class="sd">    The function :py:obj:`get_ddg_lang` evaluates DuckDuckGo&#39;s language from</span>
    482. 

  482. <span class="sd">    SearXNG&#39;s locale.</span>
    483. 

  483. 

  484. <span class="sd">    &quot;&quot;&quot;</span>
    485. 

  485.     <span class="c1"># pylint: disable=too-many-branches, too-many-statements, disable=import-outside-toplevel</span>
    486. 

  486.     <span class="kn">from</span><span class="w"> </span><span class="nn">searx.utils</span><span class="w"> </span><span class="kn">import</span> <span class="n">js_variable_to_python</span>
    487. 

  487. 

  488.     <span class="c1"># fetch regions</span>
    489. 

  489. 

  490.     <span class="n">engine_traits</span><span class="o">.</span><span class="n">all_locale</span> <span class="o">=</span> <span class="s1">&#39;wt-wt&#39;</span>
    491. 

  491. 

  492.     <span class="c1"># updated from u661.js to u.7669f071a13a7daa57cb / should be updated automatically?</span>
    493. 

  493.     <span class="n">resp</span> <span class="o">=</span> <span class="n">get</span><span class="p">(</span><span class="s1">&#39;https://duckduckgo.com/dist/util/u.7669f071a13a7daa57cb.js&#39;</span><span class="p">)</span>
    494. 

  494. 

  495.     <span class="k">if</span> <span class="ow">not</span> <span class="n">resp</span><span class="o">.</span><span class="n">ok</span><span class="p">:</span>  <span class="c1"># type: ignore</span>
    496. 

  496.         <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;ERROR: response from DuckDuckGo is not OK.&quot;</span><span class="p">)</span>
    497. 

  497. 

  498.     <span class="n">js_code</span> <span class="o">=</span> <span class="n">extr</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="s1">&#39;regions:&#39;</span><span class="p">,</span> <span class="s1">&#39;,snippetLengths&#39;</span><span class="p">)</span>  <span class="c1"># type: ignore</span>
    499. 

  499. 

  500.     <span class="n">regions</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">js_code</span><span class="p">)</span>
    501. 

  501.     <span class="k">for</span> <span class="n">eng_tag</span><span class="p">,</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">regions</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
    502. 

  502. 

  503.         <span class="k">if</span> <span class="n">eng_tag</span> <span class="o">==</span> <span class="s1">&#39;wt-wt&#39;</span><span class="p">:</span>
    504. 

  504.             <span class="n">engine_traits</span><span class="o">.</span><span class="n">all_locale</span> <span class="o">=</span> <span class="s1">&#39;wt-wt&#39;</span>
    505. 

  505.             <span class="k">continue</span>
    506. 

  506. 

  507.         <span class="n">region</span> <span class="o">=</span> <span class="n">ddg_reg_map</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">eng_tag</span><span class="p">)</span>
    508. 

  508.         <span class="k">if</span> <span class="n">region</span> <span class="o">==</span> <span class="s1">&#39;skip&#39;</span><span class="p">:</span>
    509. 

  509.             <span class="k">continue</span>
    510. 

  510. 

  511.         <span class="k">if</span> <span class="ow">not</span> <span class="n">region</span><span class="p">:</span>
    512. 

  512.             <span class="n">eng_territory</span><span class="p">,</span> <span class="n">eng_lang</span> <span class="o">=</span> <span class="n">eng_tag</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;-&#39;</span><span class="p">)</span>
    513. 

  513.             <span class="n">region</span> <span class="o">=</span> <span class="n">eng_lang</span> <span class="o">+</span> <span class="s1">&#39;_&#39;</span> <span class="o">+</span> <span class="n">eng_territory</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span>
    514. 

  514. 

  515.         <span class="k">try</span><span class="p">:</span>
    516. 

  516.             <span class="n">sxng_tag</span> <span class="o">=</span> <span class="n">locales</span><span class="o">.</span><span class="n">region_tag</span><span class="p">(</span><span class="n">babel</span><span class="o">.</span><span class="n">Locale</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">region</span><span class="p">))</span>
    517. 

  517.         <span class="k">except</span> <span class="n">babel</span><span class="o">.</span><span class="n">UnknownLocaleError</span><span class="p">:</span>
    518. 

  518.             <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;ERROR: </span><span class="si">%s</span><span class="s2"> (</span><span class="si">%s</span><span class="s2">) -&gt; </span><span class="si">%s</span><span class="s2"> is unknown by babel&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">eng_tag</span><span class="p">,</span> <span class="n">region</span><span class="p">))</span>
    519. 

  519.             <span class="k">continue</span>
    520. 

  520. 

  521.         <span class="n">conflict</span> <span class="o">=</span> <span class="n">engine_traits</span><span class="o">.</span><span class="n">regions</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">sxng_tag</span><span class="p">)</span>
    522. 

  522.         <span class="k">if</span> <span class="n">conflict</span><span class="p">:</span>
    523. 

  523.             <span class="k">if</span> <span class="n">conflict</span> <span class="o">!=</span> <span class="n">eng_tag</span><span class="p">:</span>
    524. 

  524.                 <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;CONFLICT: babel </span><span class="si">%s</span><span class="s2"> --&gt; </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">sxng_tag</span><span class="p">,</span> <span class="n">conflict</span><span class="p">,</span> <span class="n">eng_tag</span><span class="p">))</span>
    525. 

  525.             <span class="k">continue</span>
    526. 

  526.         <span class="n">engine_traits</span><span class="o">.</span><span class="n">regions</span><span class="p">[</span><span class="n">sxng_tag</span><span class="p">]</span> <span class="o">=</span> <span class="n">eng_tag</span>
    527. 

  527. 

  528.     <span class="c1"># fetch languages</span>
    529. 

  529. 

  530.     <span class="n">engine_traits</span><span class="o">.</span><span class="n">custom</span><span class="p">[</span><span class="s1">&#39;lang_region&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
    531. 

  531. 

  532.     <span class="n">js_code</span> <span class="o">=</span> <span class="n">extr</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="s1">&#39;languages:&#39;</span><span class="p">,</span> <span class="s1">&#39;,regions&#39;</span><span class="p">)</span>  <span class="c1"># type: ignore</span>
    533. 

  533. 

  534.     <span class="n">languages</span> <span class="o">=</span> <span class="n">js_variable_to_python</span><span class="p">(</span><span class="n">js_code</span><span class="p">)</span>
    535. 

  535.     <span class="k">for</span> <span class="n">eng_lang</span><span class="p">,</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">languages</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
    536. 

  536. 

  537.         <span class="k">if</span> <span class="n">eng_lang</span> <span class="o">==</span> <span class="s1">&#39;wt_WT&#39;</span><span class="p">:</span>
    538. 

  538.             <span class="k">continue</span>
    539. 

  539. 

  540.         <span class="n">babel_tag</span> <span class="o">=</span> <span class="n">ddg_lang_map</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">eng_lang</span><span class="p">,</span> <span class="n">eng_lang</span><span class="p">)</span>
    541. 

  541.         <span class="k">if</span> <span class="n">babel_tag</span> <span class="o">==</span> <span class="s1">&#39;skip&#39;</span><span class="p">:</span>
    542. 

  542.             <span class="k">continue</span>
    543. 

  543. 

  544.         <span class="k">try</span><span class="p">:</span>
    545. 

  545. 

  546.             <span class="k">if</span> <span class="n">babel_tag</span> <span class="o">==</span> <span class="s1">&#39;lang_region&#39;</span><span class="p">:</span>
    547. 

  547.                 <span class="n">sxng_tag</span> <span class="o">=</span> <span class="n">locales</span><span class="o">.</span><span class="n">region_tag</span><span class="p">(</span><span class="n">babel</span><span class="o">.</span><span class="n">Locale</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">eng_lang</span><span class="p">))</span>
    548. 

  548.                 <span class="n">engine_traits</span><span class="o">.</span><span class="n">custom</span><span class="p">[</span><span class="s1">&#39;lang_region&#39;</span><span class="p">][</span><span class="n">sxng_tag</span><span class="p">]</span> <span class="o">=</span> <span class="n">eng_lang</span>
    549. 

  549.                 <span class="k">continue</span>
    550. 

  550. 

  551.             <span class="n">sxng_tag</span> <span class="o">=</span> <span class="n">locales</span><span class="o">.</span><span class="n">language_tag</span><span class="p">(</span><span class="n">babel</span><span class="o">.</span><span class="n">Locale</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">babel_tag</span><span class="p">))</span>
    552. 

  552. 

  553.         <span class="k">except</span> <span class="n">babel</span><span class="o">.</span><span class="n">UnknownLocaleError</span><span class="p">:</span>
    554. 

  554.             <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;ERROR: language </span><span class="si">%s</span><span class="s2"> (</span><span class="si">%s</span><span class="s2">) is unknown by babel&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">eng_lang</span><span class="p">))</span>
    555. 

  555.             <span class="k">continue</span>
    556. 

  556. 

  557.         <span class="n">conflict</span> <span class="o">=</span> <span class="n">engine_traits</span><span class="o">.</span><span class="n">languages</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">sxng_tag</span><span class="p">)</span>
    558. 

  558.         <span class="k">if</span> <span class="n">conflict</span><span class="p">:</span>
    559. 

  559.             <span class="k">if</span> <span class="n">conflict</span> <span class="o">!=</span> <span class="n">eng_lang</span><span class="p">:</span>
    560. 

  560.                 <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;CONFLICT: babel </span><span class="si">%s</span><span class="s2"> --&gt; </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">sxng_tag</span><span class="p">,</span> <span class="n">conflict</span><span class="p">,</span> <span class="n">eng_lang</span><span class="p">))</span>
    561. 

  561.             <span class="k">continue</span>
    562. 

  562.         <span class="n">engine_traits</span><span class="o">.</span><span class="n">languages</span><span class="p">[</span><span class="n">sxng_tag</span><span class="p">]</span> <span class="o">=</span> <span class="n">eng_lang</span></div>
    563. 

  563. 

  564. </pre></div>
    565. 

  565. 

  566.             <div class="clearer"></div>
    567. 

  567.           </div>
    568. 

  568.         </div>
    569. 

  569.       </div>
    570. 

  570.   <span id="sidebar-top"></span>
    571. 

  571.       <div class="sphinxsidebar" role="navigation" aria-label="Main">
    572. 

  572.         <div class="sphinxsidebarwrapper">
    573. 

  573.   
    574. 

  574.     
    575. 

  575.             <p class="logo"><a href="../../../index.html">
    576. 

  576.               <img class="logo" src="../../../_static/searxng-wordmark.svg" alt="Logo of SearXNG"/>
    577. 

  577.             </a></p>
    578. 

  578.   
    579. 

  579. 

  580. <h3><a href="../../../index.html">Table of Contents</a></h3>
    581. 

  581. <ul>
    582. 

  582. <li class="toctree-l1"><a class="reference internal" href="../../../user/index.html">User information</a></li>
    583. 

  583. <li class="toctree-l1"><a class="reference internal" href="../../../own-instance.html">Why use a private instance?</a></li>
    584. 

  584. <li class="toctree-l1"><a class="reference internal" href="../../../admin/index.html">Administrator documentation</a></li>
    585. 

  585. <li class="toctree-l1"><a class="reference internal" href="../../../dev/index.html">Developer documentation</a></li>
    586. 

  586. <li class="toctree-l1"><a class="reference internal" href="../../../utils/index.html">DevOps tooling box</a></li>
    587. 

  587. <li class="toctree-l1"><a class="reference internal" href="../../../src/index.html">Source-Code</a></li>
    588. 

  588. </ul>
    589. 

  589. 

  590.   <h3>Project Links</h3>
    591. 

  591.   <ul>
    592. 

  592.     <li><a href="https://github.com/searxng/searxng/tree/master">Source</a>
    593. 

  593.   
    594. 

  594.     <li><a href="https://github.com/searxng/searxng/wiki">Wiki</a>
    595. 

  595.   
    596. 

  596.     <li><a href="https://searx.space">Public instances</a>
    597. 

  597.   
    598. 

  598.     <li><a href="https://github.com/searxng/searxng/issues">Issue Tracker</a>
    599. 

  599.   </ul><h3>Navigation</h3>
    600. 

  600. <ul>
    601. 

  601.   <li><a href="../../../index.html">Overview</a>
    602. 

  602.     <ul>
    603. 

  603.       <li><a href="../../index.html">Module code</a>
    604. 

  604.         <ul>
    605. 

  605.       <li><a href="../engines.html">searx.engines</a>
    606. 

  606.         
    607. 

  607.           
    608. 

  608.           </ul>
    609. 

  609.       </li></ul>
    610. 

  610.       </li>
    611. 

  611.     </ul>
    612. 

  612.   </li>
    613. 

  613. </ul>
    614. 

  614. <search id="searchbox" style="display: none" role="search">
    615. 

  615.   <h3 id="searchlabel">Quick search</h3>
    616. 

  616.     <div class="searchformwrapper">
    617. 

  617.     <form class="search" action="../../../search.html" method="get">
    618. 

  618.       <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
    619. 

  619.       <input type="submit" value="Go" />
    620. 

  620.     </form>
    621. 

  621.     </div>
    622. 

  622. </search>
    623. 

  623. <script>document.getElementById('searchbox').style.display = "block"</script>
    624. 

  624.         </div>
    625. 

  625.       </div>
    626. 

  626.       <div class="clearer"></div>
    627. 

  627.     </div>
    628. 

  628.     <div class="footer" role="contentinfo">
    629. 

  629.     &#169; Copyright SearXNG team.
    630. 

  630.     </div>
    631. 

  631.   </body>
    632. 

  632. </html>
    633.
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