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update_engine_descriptions.html

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    38. 

  38.   <h1>Source code for searxng_extra.update.update_engine_descriptions</h1><div class="highlight"><pre>
    39. 

  39. <span></span><span class="ch">#!/usr/bin/env python</span>
    40. 

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

  41. <span class="sd">&quot;&quot;&quot;Fetch website description from websites and from</span>
    42. 

  42. <span class="sd">:origin:`searx/engines/wikidata.py` engine.</span>
    43. 

  43. 

  44. <span class="sd">Output file: :origin:`searx/data/engine_descriptions.json`.</span>
    45. 

  45. 

  46. <span class="sd">&quot;&quot;&quot;</span>
    47. 

  47. 

  48. <span class="c1"># pylint: disable=invalid-name, global-statement</span>
    49. 

  49. 

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

  51. <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">urlparse</span>
    52. 

  52. <span class="kn">from</span><span class="w"> </span><span class="nn">os.path</span><span class="w"> </span><span class="kn">import</span> <span class="n">join</span>
    53. 

  53. 

  54. <span class="kn">from</span><span class="w"> </span><span class="nn">lxml.html</span><span class="w"> </span><span class="kn">import</span> <span class="n">fromstring</span>
    55. 

  55. 

  56. <span class="kn">from</span><span class="w"> </span><span class="nn">searx.engines</span><span class="w"> </span><span class="kn">import</span> <span class="n">wikidata</span><span class="p">,</span> <span class="n">set_loggers</span>
    57. 

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

  58. <span class="kn">from</span><span class="w"> </span><span class="nn">searx.locales</span><span class="w"> </span><span class="kn">import</span> <span class="n">LOCALE_NAMES</span><span class="p">,</span> <span class="n">locales_initialize</span><span class="p">,</span> <span class="n">match_locale</span>
    59. 

  59. <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">searx_dir</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="n">gen_useragent</span><span class="p">,</span> <span class="n">detect_language</span>
    61. 

  61. <span class="kn">import</span><span class="w"> </span><span class="nn">searx.search</span>
    62. 

  62. <span class="kn">import</span><span class="w"> </span><span class="nn">searx.network</span>
    63. 

  63. <span class="kn">from</span><span class="w"> </span><span class="nn">searx.data</span><span class="w"> </span><span class="kn">import</span> <span class="n">data_dir</span>
    64. 

  64. 

  65. <span class="n">DATA_FILE</span> <span class="o">=</span> <span class="n">data_dir</span> <span class="o">/</span> <span class="s1">&#39;engine_descriptions.json&#39;</span>
    66. 

  66. 

  67. <span class="n">set_loggers</span><span class="p">(</span><span class="n">wikidata</span><span class="p">,</span> <span class="s1">&#39;wikidata&#39;</span><span class="p">)</span>
    68. 

  68. <span class="n">locales_initialize</span><span class="p">()</span>
    69. 

  69. 

  70. <span class="c1"># you can run the query in https://query.wikidata.org</span>
    71. 

  71. <span class="c1"># replace %IDS% by Wikidata entities separated by spaces with the prefix wd:</span>
    72. 

  72. <span class="c1"># for example wd:Q182496 wd:Q1540899</span>
    73. 

  73. <span class="c1"># replace %LANGUAGES_SPARQL% by languages</span>
    74. 

  74. <span class="n">SPARQL_WIKIPEDIA_ARTICLE</span> <span class="o">=</span> <span class="s2">&quot;&quot;&quot;</span>
    75. 

  75. <span class="s2">SELECT DISTINCT ?item ?name ?article ?lang</span>
    76. 

  76. <span class="s2">WHERE {</span>
    77. 

  77. <span class="s2">  hint:Query hint:optimizer &quot;None&quot;.</span>
    78. 

  78. <span class="s2">  VALUES ?item { %IDS% }</span>
    79. 

  79. <span class="s2">  ?article schema:about ?item ;</span>
    80. 

  80. <span class="s2">              schema:inLanguage ?lang ;</span>
    81. 

  81. <span class="s2">              schema:name ?name ;</span>
    82. 

  82. <span class="s2">              schema:isPartOf [ wikibase:wikiGroup &quot;wikipedia&quot; ] .</span>
    83. 

  83. <span class="s2">  FILTER(?lang in (%LANGUAGES_SPARQL%)) .</span>
    84. 

  84. <span class="s2">  FILTER (!CONTAINS(?name, &#39;:&#39;)) .</span>
    85. 

  85. <span class="s2">}</span>
    86. 

  86. <span class="s2">ORDER BY ?item ?lang</span>
    87. 

  87. <span class="s2">&quot;&quot;&quot;</span>
    88. 

  88. 

  89. <span class="n">SPARQL_DESCRIPTION</span> <span class="o">=</span> <span class="s2">&quot;&quot;&quot;</span>
    90. 

  90. <span class="s2">SELECT DISTINCT ?item ?itemDescription</span>
    91. 

  91. <span class="s2">WHERE {</span>
    92. 

  92. <span class="s2">  VALUES ?item { %IDS% }</span>
    93. 

  93. <span class="s2">  ?item schema:description ?itemDescription .</span>
    94. 

  94. <span class="s2">  FILTER (lang(?itemDescription) in (%LANGUAGES_SPARQL%))</span>
    95. 

  95. <span class="s2">}</span>
    96. 

  96. <span class="s2">ORDER BY ?itemLang</span>
    97. 

  97. <span class="s2">&quot;&quot;&quot;</span>
    98. 

  98. 

  99. <span class="n">NOT_A_DESCRIPTION</span> <span class="o">=</span> <span class="p">[</span>
    100. 

  100.     <span class="s1">&#39;web site&#39;</span><span class="p">,</span>
    101. 

  101.     <span class="s1">&#39;site web&#39;</span><span class="p">,</span>
    102. 

  102.     <span class="s1">&#39;komputa serĉilo&#39;</span><span class="p">,</span>
    103. 

  103.     <span class="s1">&#39;interreta serĉilo&#39;</span><span class="p">,</span>
    104. 

  104.     <span class="s1">&#39;bilaketa motor&#39;</span><span class="p">,</span>
    105. 

  105.     <span class="s1">&#39;web search engine&#39;</span><span class="p">,</span>
    106. 

  106.     <span class="s1">&#39;wikimedia täpsustuslehekülg&#39;</span><span class="p">,</span>
    107. 

  107. <span class="p">]</span>
    108. 

  108. 

  109. <span class="n">SKIP_ENGINE_SOURCE</span> <span class="o">=</span> <span class="p">[</span>
    110. 

  110.     <span class="c1"># fmt: off</span>
    111. 

  111.     <span class="p">(</span><span class="s1">&#39;gitlab&#39;</span><span class="p">,</span> <span class="s1">&#39;wikidata&#39;</span><span class="p">)</span>
    112. 

  112.     <span class="c1"># descriptions are about wikipedia disambiguation pages</span>
    113. 

  113.     <span class="c1"># fmt: on</span>
    114. 

  114. <span class="p">]</span>
    115. 

  115. 

  116. <span class="n">WIKIPEDIA_LANGUAGES</span> <span class="o">=</span> <span class="p">{}</span>
    117. 

  117. <span class="n">LANGUAGES_SPARQL</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span>
    118. 

  118. <span class="n">IDS</span> <span class="o">=</span> <span class="kc">None</span>
    119. 

  119. <span class="n">WIKIPEDIA_LANGUAGE_VARIANTS</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;zh_Hant&#39;</span><span class="p">:</span> <span class="s1">&#39;zh-tw&#39;</span><span class="p">}</span>
    120. 

  120. 

  121. 

  122. <span class="n">descriptions</span> <span class="o">=</span> <span class="p">{}</span>
    123. 

  123. <span class="n">wd_to_engine_name</span> <span class="o">=</span> <span class="p">{}</span>
    124. 

  124. 

  125. 

  126. <span class="k">def</span><span class="w"> </span><span class="nf">normalize_description</span><span class="p">(</span><span class="n">description</span><span class="p">):</span>
    127. 

  127.     <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="p">[</span><span class="nb">chr</span><span class="p">(</span><span class="n">c</span><span class="p">)</span> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">31</span><span class="p">)]:</span>
    128. 

  128.         <span class="n">description</span> <span class="o">=</span> <span class="n">description</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">c</span><span class="p">,</span> <span class="s1">&#39; &#39;</span><span class="p">)</span>
    129. 

  129.     <span class="n">description</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">description</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span><span class="o">.</span><span class="n">split</span><span class="p">())</span>
    130. 

  130.     <span class="k">return</span> <span class="n">description</span>
    131. 

  131. 

  132. 

  133. <span class="k">def</span><span class="w"> </span><span class="nf">update_description</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">lang</span><span class="p">,</span> <span class="n">description</span><span class="p">,</span> <span class="n">source</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
    134. 

  134.     <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">description</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
    135. 

  135.         <span class="k">return</span>
    136. 

  136.     <span class="n">description</span> <span class="o">=</span> <span class="n">normalize_description</span><span class="p">(</span><span class="n">description</span><span class="p">)</span>
    137. 

  137.     <span class="k">if</span> <span class="n">description</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="n">engine_name</span><span class="o">.</span><span class="n">lower</span><span class="p">():</span>
    138. 

  138.         <span class="k">return</span>
    139. 

  139.     <span class="k">if</span> <span class="n">description</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">NOT_A_DESCRIPTION</span><span class="p">:</span>
    140. 

  140.         <span class="k">return</span>
    141. 

  141.     <span class="k">if</span> <span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">SKIP_ENGINE_SOURCE</span><span class="p">:</span>
    142. 

  142.         <span class="k">return</span>
    143. 

  143.     <span class="k">if</span> <span class="s1">&#39; &#39;</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">description</span><span class="p">:</span>
    144. 

  144.         <span class="c1"># skip unique word description (like &quot;website&quot;)</span>
    145. 

  145.         <span class="k">return</span>
    146. 

  146.     <span class="k">if</span> <span class="n">replace</span> <span class="ow">or</span> <span class="n">lang</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">descriptions</span><span class="p">[</span><span class="n">engine_name</span><span class="p">]:</span>
    147. 

  147.         <span class="n">descriptions</span><span class="p">[</span><span class="n">engine_name</span><span class="p">][</span><span class="n">lang</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">description</span><span class="p">,</span> <span class="n">source</span><span class="p">]</span>
    148. 

  148. 

  149. 

  150. <span class="k">def</span><span class="w"> </span><span class="nf">get_wikipedia_summary</span><span class="p">(</span><span class="n">wikipedia_url</span><span class="p">,</span> <span class="n">searxng_locale</span><span class="p">):</span>
    151. 

  151.     <span class="c1"># get the REST API URL from the HTML URL</span>
    152. 

  152. 

  153.     <span class="c1"># Headers</span>
    154. 

  154.     <span class="n">headers</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;User-Agent&#39;</span><span class="p">:</span> <span class="n">searx_useragent</span><span class="p">()}</span>
    155. 

  155. 

  156.     <span class="k">if</span> <span class="n">searxng_locale</span> <span class="ow">in</span> <span class="n">WIKIPEDIA_LANGUAGE_VARIANTS</span><span class="p">:</span>
    157. 

  157.         <span class="n">headers</span><span class="p">[</span><span class="s1">&#39;Accept-Language&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">WIKIPEDIA_LANGUAGE_VARIANTS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">searxng_locale</span><span class="p">)</span>
    158. 

  158. 

  159.     <span class="c1"># URL path : from HTML URL to REST API URL</span>
    160. 

  160.     <span class="n">parsed_url</span> <span class="o">=</span> <span class="n">urlparse</span><span class="p">(</span><span class="n">wikipedia_url</span><span class="p">)</span>
    161. 

  161.     <span class="c1"># remove the /wiki/ prefix</span>
    162. 

  162.     <span class="n">article_name</span> <span class="o">=</span> <span class="n">parsed_url</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;/wiki/&#39;</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
    163. 

  163.     <span class="c1"># article_name is already encoded but not the / which is required for the REST API call</span>
    164. 

  164.     <span class="n">encoded_article_name</span> <span class="o">=</span> <span class="n">article_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">,</span> <span class="s1">&#39;</span><span class="si">%2F</span><span class="s1">&#39;</span><span class="p">)</span>
    165. 

  165.     <span class="n">path</span> <span class="o">=</span> <span class="s1">&#39;/api/rest_v1/page/summary/&#39;</span> <span class="o">+</span> <span class="n">encoded_article_name</span>
    166. 

  166.     <span class="n">wikipedia_rest_url</span> <span class="o">=</span> <span class="n">parsed_url</span><span class="o">.</span><span class="n">_replace</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="n">path</span><span class="p">)</span><span class="o">.</span><span class="n">geturl</span><span class="p">()</span>
    167. 

  167.     <span class="k">try</span><span class="p">:</span>
    168. 

  168.         <span class="n">response</span> <span class="o">=</span> <span class="n">searx</span><span class="o">.</span><span class="n">network</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">wikipedia_rest_url</span><span class="p">,</span> <span class="n">headers</span><span class="o">=</span><span class="n">headers</span><span class="p">,</span> <span class="n">timeout</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span>
    169. 

  169.         <span class="n">response</span><span class="o">.</span><span class="n">raise_for_status</span><span class="p">()</span>
    170. 

  170.     <span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>  <span class="c1"># pylint: disable=broad-except</span>
    171. 

  171.         <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;     &quot;</span><span class="p">,</span> <span class="n">wikipedia_url</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
    172. 

  172.         <span class="k">return</span> <span class="kc">None</span>
    173. 

  173.     <span class="n">api_result</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">response</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
    174. 

  174.     <span class="k">return</span> <span class="n">api_result</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;extract&#39;</span><span class="p">)</span>
    175. 

  175. 

  176. 

  177. <span class="k">def</span><span class="w"> </span><span class="nf">get_website_description</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="n">lang1</span><span class="p">,</span> <span class="n">lang2</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
    178. 

  178.     <span class="n">headers</span> <span class="o">=</span> <span class="p">{</span>
    179. 

  179.         <span class="s1">&#39;User-Agent&#39;</span><span class="p">:</span> <span class="n">gen_useragent</span><span class="p">(),</span>
    180. 

  180.         <span class="s1">&#39;Accept&#39;</span><span class="p">:</span> <span class="s1">&#39;text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8&#39;</span><span class="p">,</span>
    181. 

  181.         <span class="s1">&#39;DNT&#39;</span><span class="p">:</span> <span class="s1">&#39;1&#39;</span><span class="p">,</span>
    182. 

  182.         <span class="s1">&#39;Upgrade-Insecure-Requests&#39;</span><span class="p">:</span> <span class="s1">&#39;1&#39;</span><span class="p">,</span>
    183. 

  183.         <span class="s1">&#39;Sec-GPC&#39;</span><span class="p">:</span> <span class="s1">&#39;1&#39;</span><span class="p">,</span>
    184. 

  184.         <span class="s1">&#39;Cache-Control&#39;</span><span class="p">:</span> <span class="s1">&#39;max-age=0&#39;</span><span class="p">,</span>
    185. 

  185.     <span class="p">}</span>
    186. 

  186.     <span class="k">if</span> <span class="n">lang1</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
    187. 

  187.         <span class="n">lang_list</span> <span class="o">=</span> <span class="p">[</span><span class="n">lang1</span><span class="p">]</span>
    188. 

  188.         <span class="k">if</span> <span class="n">lang2</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
    189. 

  189.             <span class="n">lang_list</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">lang2</span><span class="p">)</span>
    190. 

  190.         <span class="n">headers</span><span class="p">[</span><span class="s1">&#39;Accept-Language&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="s2">&quot;,&quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lang_list</span><span class="p">)</span><span class="si">}</span><span class="s1">;q=0.8&#39;</span>
    191. 

  191.     <span class="k">try</span><span class="p">:</span>
    192. 

  192.         <span class="n">response</span> <span class="o">=</span> <span class="n">searx</span><span class="o">.</span><span class="n">network</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="n">headers</span><span class="o">=</span><span class="n">headers</span><span class="p">,</span> <span class="n">timeout</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span>
    193. 

  193.         <span class="n">response</span><span class="o">.</span><span class="n">raise_for_status</span><span class="p">()</span>
    194. 

  194.     <span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span>  <span class="c1"># pylint: disable=broad-except</span>
    195. 

  195.         <span class="k">return</span> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
    196. 

  196. 

  197.     <span class="k">try</span><span class="p">:</span>
    198. 

  198.         <span class="n">html</span> <span class="o">=</span> <span class="n">fromstring</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
    199. 

  199.     <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span>
    200. 

  200.         <span class="n">html</span> <span class="o">=</span> <span class="n">fromstring</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">content</span><span class="p">)</span>
    201. 

  201. 

  202.     <span class="n">description</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">html</span><span class="o">.</span><span class="n">xpath</span><span class="p">(</span><span class="s1">&#39;/html/head/meta[@name=&quot;description&quot;]/@content&#39;</span><span class="p">))</span>
    203. 

  203.     <span class="k">if</span> <span class="ow">not</span> <span class="n">description</span><span class="p">:</span>
    204. 

  204.         <span class="n">description</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">html</span><span class="o">.</span><span class="n">xpath</span><span class="p">(</span><span class="s1">&#39;/html/head/meta[@property=&quot;og:description&quot;]/@content&#39;</span><span class="p">))</span>
    205. 

  205.     <span class="k">if</span> <span class="ow">not</span> <span class="n">description</span><span class="p">:</span>
    206. 

  206.         <span class="n">description</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">html</span><span class="o">.</span><span class="n">xpath</span><span class="p">(</span><span class="s1">&#39;/html/head/title&#39;</span><span class="p">))</span>
    207. 

  207.     <span class="n">lang</span> <span class="o">=</span> <span class="n">extract_text</span><span class="p">(</span><span class="n">html</span><span class="o">.</span><span class="n">xpath</span><span class="p">(</span><span class="s1">&#39;/html/@lang&#39;</span><span class="p">))</span>
    208. 

  208.     <span class="k">if</span> <span class="n">lang</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">lang1</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
    209. 

  209.         <span class="n">lang</span> <span class="o">=</span> <span class="n">lang1</span>
    210. 

  210.     <span class="n">lang</span> <span class="o">=</span> <span class="n">detect_language</span><span class="p">(</span><span class="n">description</span><span class="p">)</span> <span class="ow">or</span> <span class="n">lang</span> <span class="ow">or</span> <span class="s1">&#39;en&#39;</span>
    211. 

  211.     <span class="n">lang</span> <span class="o">=</span> <span class="n">lang</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">0</span><span class="p">]</span>
    212. 

  212.     <span class="n">lang</span> <span class="o">=</span> <span class="n">lang</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">0</span><span class="p">]</span>
    213. 

  213.     <span class="k">return</span> <span class="p">(</span><span class="n">lang</span><span class="p">,</span> <span class="n">description</span><span class="p">)</span>
    214. 

  214. 

  215. 

  216. <span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">():</span>
    217. 

  217.     <span class="k">global</span> <span class="n">IDS</span><span class="p">,</span> <span class="n">LANGUAGES_SPARQL</span>
    218. 

  218.     <span class="n">searx</span><span class="o">.</span><span class="n">search</span><span class="o">.</span><span class="n">initialize</span><span class="p">()</span>
    219. 

  219.     <span class="n">wikipedia_engine</span> <span class="o">=</span> <span class="n">searx</span><span class="o">.</span><span class="n">engines</span><span class="o">.</span><span class="n">engines</span><span class="p">[</span><span class="s1">&#39;wikipedia&#39;</span><span class="p">]</span>
    220. 

  220. 

  221.     <span class="n">locale2lang</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;nl-BE&#39;</span><span class="p">:</span> <span class="s1">&#39;nl&#39;</span><span class="p">}</span>
    222. 

  222.     <span class="k">for</span> <span class="n">sxng_ui_lang</span> <span class="ow">in</span> <span class="n">LOCALE_NAMES</span><span class="p">:</span>
    223. 

  223. 

  224.         <span class="n">sxng_ui_alias</span> <span class="o">=</span> <span class="n">locale2lang</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">sxng_ui_lang</span><span class="p">,</span> <span class="n">sxng_ui_lang</span><span class="p">)</span>
    225. 

  225.         <span class="n">wiki_lang</span> <span class="o">=</span> <span class="kc">None</span>
    226. 

  226. 

  227.         <span class="k">if</span> <span class="n">sxng_ui_alias</span> <span class="ow">in</span> <span class="n">wikipedia_engine</span><span class="o">.</span><span class="n">traits</span><span class="o">.</span><span class="n">custom</span><span class="p">[</span><span class="s1">&#39;WIKIPEDIA_LANGUAGES&#39;</span><span class="p">]:</span>
    228. 

  228.             <span class="n">wiki_lang</span> <span class="o">=</span> <span class="n">sxng_ui_alias</span>
    229. 

  229.         <span class="k">if</span> <span class="ow">not</span> <span class="n">wiki_lang</span><span class="p">:</span>
    230. 

  230.             <span class="n">wiki_lang</span> <span class="o">=</span> <span class="n">wikipedia_engine</span><span class="o">.</span><span class="n">traits</span><span class="o">.</span><span class="n">get_language</span><span class="p">(</span><span class="n">sxng_ui_alias</span><span class="p">)</span>
    231. 

  231.         <span class="k">if</span> <span class="ow">not</span> <span class="n">wiki_lang</span><span class="p">:</span>
    232. 

  232.             <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;WIKIPEDIA_LANGUAGES missing </span><span class="si">{</span><span class="n">sxng_ui_lang</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
    233. 

  233.             <span class="k">continue</span>
    234. 

  234.         <span class="n">WIKIPEDIA_LANGUAGES</span><span class="p">[</span><span class="n">sxng_ui_lang</span><span class="p">]</span> <span class="o">=</span> <span class="n">wiki_lang</span>
    235. 

  235. 

  236.     <span class="n">LANGUAGES_SPARQL</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="sa">f</span><span class="s2">&quot;&#39;</span><span class="si">{</span><span class="n">l</span><span class="si">}</span><span class="s2">&#39;&quot;</span> <span class="k">for</span> <span class="n">l</span> <span class="ow">in</span> <span class="nb">set</span><span class="p">(</span><span class="n">WIKIPEDIA_LANGUAGES</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span>
    237. 

  237.     <span class="k">for</span> <span class="n">engine_name</span><span class="p">,</span> <span class="n">engine</span> <span class="ow">in</span> <span class="n">searx</span><span class="o">.</span><span class="n">engines</span><span class="o">.</span><span class="n">engines</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
    238. 

  238.         <span class="n">descriptions</span><span class="p">[</span><span class="n">engine_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
    239. 

  239.         <span class="n">wikidata_id</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="s2">&quot;about&quot;</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;wikidata_id&#39;</span><span class="p">)</span>
    240. 

  240.         <span class="k">if</span> <span class="n">wikidata_id</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
    241. 

  241.             <span class="n">wd_to_engine_name</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">wikidata_id</span><span class="p">,</span> <span class="nb">set</span><span class="p">())</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">engine_name</span><span class="p">)</span>
    242. 

  242. 

  243.     <span class="n">IDS</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="nb">list</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">wd_id</span><span class="p">:</span> <span class="s1">&#39;wd:&#39;</span> <span class="o">+</span> <span class="n">wd_id</span><span class="p">,</span> <span class="n">wd_to_engine_name</span><span class="o">.</span><span class="n">keys</span><span class="p">())))</span>
    244. 

  244. 

  245. 

  246. <span class="k">def</span><span class="w"> </span><span class="nf">fetch_wikidata_descriptions</span><span class="p">():</span>
    247. 

  247.     <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;Fetching wikidata descriptions&#39;</span><span class="p">)</span>
    248. 

  248.     <span class="n">searx</span><span class="o">.</span><span class="n">network</span><span class="o">.</span><span class="n">set_timeout_for_thread</span><span class="p">(</span><span class="mi">60</span><span class="p">)</span>
    249. 

  249.     <span class="n">result</span> <span class="o">=</span> <span class="n">wikidata</span><span class="o">.</span><span class="n">send_wikidata_query</span><span class="p">(</span>
    250. 

  250.         <span class="n">SPARQL_DESCRIPTION</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;%IDS%&#39;</span><span class="p">,</span> <span class="n">IDS</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;%LANGUAGES_SPARQL%&#39;</span><span class="p">,</span> <span class="n">LANGUAGES_SPARQL</span><span class="p">)</span>
    251. 

  251.     <span class="p">)</span>
    252. 

  252.     <span class="k">if</span> <span class="n">result</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
    253. 

  253.         <span class="k">for</span> <span class="n">binding</span> <span class="ow">in</span> <span class="n">result</span><span class="p">[</span><span class="s1">&#39;results&#39;</span><span class="p">][</span><span class="s1">&#39;bindings&#39;</span><span class="p">]:</span>
    254. 

  254.             <span class="n">wikidata_id</span> <span class="o">=</span> <span class="n">binding</span><span class="p">[</span><span class="s1">&#39;item&#39;</span><span class="p">][</span><span class="s1">&#39;value&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;http://www.wikidata.org/entity/&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">)</span>
    255. 

  255.             <span class="n">wikidata_lang</span> <span class="o">=</span> <span class="n">binding</span><span class="p">[</span><span class="s1">&#39;itemDescription&#39;</span><span class="p">][</span><span class="s1">&#39;xml:lang&#39;</span><span class="p">]</span>
    256. 

  256.             <span class="n">desc</span> <span class="o">=</span> <span class="n">binding</span><span class="p">[</span><span class="s1">&#39;itemDescription&#39;</span><span class="p">][</span><span class="s1">&#39;value&#39;</span><span class="p">]</span>
    257. 

  257.             <span class="k">for</span> <span class="n">engine_name</span> <span class="ow">in</span> <span class="n">wd_to_engine_name</span><span class="p">[</span><span class="n">wikidata_id</span><span class="p">]:</span>
    258. 

  258.                 <span class="k">for</span> <span class="n">searxng_locale</span> <span class="ow">in</span> <span class="n">LOCALE_NAMES</span><span class="p">:</span>
    259. 

  259.                     <span class="k">if</span> <span class="n">WIKIPEDIA_LANGUAGES</span><span class="p">[</span><span class="n">searxng_locale</span><span class="p">]</span> <span class="o">!=</span> <span class="n">wikidata_lang</span><span class="p">:</span>
    260. 

  260.                         <span class="k">continue</span>
    261. 

  261.                     <span class="nb">print</span><span class="p">(</span>
    262. 

  262.                         <span class="sa">f</span><span class="s2">&quot;    engine: </span><span class="si">{</span><span class="n">engine_name</span><span class="si">:</span><span class="s2">20</span><span class="si">}</span><span class="s2"> / wikidata_lang: </span><span class="si">{</span><span class="n">wikidata_lang</span><span class="si">:</span><span class="s2">5</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">,</span>
    263. 

  263.                         <span class="sa">f</span><span class="s2">&quot;/ len(wikidata_desc): </span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="n">desc</span><span class="p">)</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">,</span>
    264. 

  264.                     <span class="p">)</span>
    265. 

  265.                     <span class="n">update_description</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">searxng_locale</span><span class="p">,</span> <span class="n">desc</span><span class="p">,</span> <span class="s1">&#39;wikidata&#39;</span><span class="p">)</span>
    266. 

  266. 

  267. 

  268. <span class="k">def</span><span class="w"> </span><span class="nf">fetch_wikipedia_descriptions</span><span class="p">():</span>
    269. 

  269.     <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;Fetching wikipedia descriptions&#39;</span><span class="p">)</span>
    270. 

  270.     <span class="n">result</span> <span class="o">=</span> <span class="n">wikidata</span><span class="o">.</span><span class="n">send_wikidata_query</span><span class="p">(</span>
    271. 

  271.         <span class="n">SPARQL_WIKIPEDIA_ARTICLE</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;%IDS%&#39;</span><span class="p">,</span> <span class="n">IDS</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;%LANGUAGES_SPARQL%&#39;</span><span class="p">,</span> <span class="n">LANGUAGES_SPARQL</span><span class="p">)</span>
    272. 

  272.     <span class="p">)</span>
    273. 

  273.     <span class="k">if</span> <span class="n">result</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
    274. 

  274.         <span class="k">for</span> <span class="n">binding</span> <span class="ow">in</span> <span class="n">result</span><span class="p">[</span><span class="s1">&#39;results&#39;</span><span class="p">][</span><span class="s1">&#39;bindings&#39;</span><span class="p">]:</span>
    275. 

  275.             <span class="n">wikidata_id</span> <span class="o">=</span> <span class="n">binding</span><span class="p">[</span><span class="s1">&#39;item&#39;</span><span class="p">][</span><span class="s1">&#39;value&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;http://www.wikidata.org/entity/&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">)</span>
    276. 

  276.             <span class="n">wikidata_lang</span> <span class="o">=</span> <span class="n">binding</span><span class="p">[</span><span class="s1">&#39;name&#39;</span><span class="p">][</span><span class="s1">&#39;xml:lang&#39;</span><span class="p">]</span>
    277. 

  277.             <span class="n">wikipedia_url</span> <span class="o">=</span> <span class="n">binding</span><span class="p">[</span><span class="s1">&#39;article&#39;</span><span class="p">][</span><span class="s1">&#39;value&#39;</span><span class="p">]</span>  <span class="c1"># for example the URL https://de.wikipedia.org/wiki/PubMed</span>
    278. 

  278.             <span class="k">for</span> <span class="n">engine_name</span> <span class="ow">in</span> <span class="n">wd_to_engine_name</span><span class="p">[</span><span class="n">wikidata_id</span><span class="p">]:</span>
    279. 

  279.                 <span class="k">for</span> <span class="n">searxng_locale</span> <span class="ow">in</span> <span class="n">LOCALE_NAMES</span><span class="p">:</span>
    280. 

  280.                     <span class="k">if</span> <span class="n">WIKIPEDIA_LANGUAGES</span><span class="p">[</span><span class="n">searxng_locale</span><span class="p">]</span> <span class="o">!=</span> <span class="n">wikidata_lang</span><span class="p">:</span>
    281. 

  281.                         <span class="k">continue</span>
    282. 

  282.                     <span class="n">desc</span> <span class="o">=</span> <span class="n">get_wikipedia_summary</span><span class="p">(</span><span class="n">wikipedia_url</span><span class="p">,</span> <span class="n">searxng_locale</span><span class="p">)</span>
    283. 

  283.                     <span class="k">if</span> <span class="ow">not</span> <span class="n">desc</span><span class="p">:</span>
    284. 

  284.                         <span class="k">continue</span>
    285. 

  285.                     <span class="nb">print</span><span class="p">(</span>
    286. 

  286.                         <span class="sa">f</span><span class="s2">&quot;    engine: </span><span class="si">{</span><span class="n">engine_name</span><span class="si">:</span><span class="s2">20</span><span class="si">}</span><span class="s2"> / wikidata_lang: </span><span class="si">{</span><span class="n">wikidata_lang</span><span class="si">:</span><span class="s2">5</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">,</span>
    287. 

  287.                         <span class="sa">f</span><span class="s2">&quot;/ len(wikipedia_desc): </span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="n">desc</span><span class="p">)</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">,</span>
    288. 

  288.                     <span class="p">)</span>
    289. 

  289.                     <span class="n">update_description</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">searxng_locale</span><span class="p">,</span> <span class="n">desc</span><span class="p">,</span> <span class="s1">&#39;wikipedia&#39;</span><span class="p">)</span>
    290. 

  290. 

  291. 

  292. <span class="k">def</span><span class="w"> </span><span class="nf">normalize_url</span><span class="p">(</span><span class="n">url</span><span class="p">):</span>
    293. 

  293.     <span class="n">url</span> <span class="o">=</span> <span class="n">url</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;</span><span class="si">{language}</span><span class="s1">&#39;</span><span class="p">,</span> <span class="s1">&#39;en&#39;</span><span class="p">)</span>
    294. 

  294.     <span class="n">url</span> <span class="o">=</span> <span class="n">urlparse</span><span class="p">(</span><span class="n">url</span><span class="p">)</span><span class="o">.</span><span class="n">_replace</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="s1">&#39;/&#39;</span><span class="p">,</span> <span class="n">params</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">query</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">fragment</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">geturl</span><span class="p">()</span>
    295. 

  295.     <span class="n">url</span> <span class="o">=</span> <span class="n">url</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;https://api.&#39;</span><span class="p">,</span> <span class="s1">&#39;https://&#39;</span><span class="p">)</span>
    296. 

  296.     <span class="k">return</span> <span class="n">url</span>
    297. 

  297. 

  298. 

  299. <span class="k">def</span><span class="w"> </span><span class="nf">fetch_website_description</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">website</span><span class="p">):</span>
    300. 

  300.     <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;- fetch website descr: </span><span class="si">{</span><span class="n">engine_name</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">website</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
    301. 

  301.     <span class="n">default_lang</span><span class="p">,</span> <span class="n">default_description</span> <span class="o">=</span> <span class="n">get_website_description</span><span class="p">(</span><span class="n">website</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
    302. 

  302. 

  303.     <span class="k">if</span> <span class="n">default_lang</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="n">default_description</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
    304. 

  304.         <span class="c1"># the front page can&#39;t be fetched: skip this engine</span>
    305. 

  305.         <span class="k">return</span>
    306. 

  306. 

  307.     <span class="c1"># to specify an order in where the most common languages are in front of the</span>
    308. 

  308.     <span class="c1"># language list ..</span>
    309. 

  309.     <span class="n">languages</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;en&#39;</span><span class="p">,</span> <span class="s1">&#39;es&#39;</span><span class="p">,</span> <span class="s1">&#39;pt&#39;</span><span class="p">,</span> <span class="s1">&#39;ru&#39;</span><span class="p">,</span> <span class="s1">&#39;tr&#39;</span><span class="p">,</span> <span class="s1">&#39;fr&#39;</span><span class="p">]</span>
    310. 

  310.     <span class="n">languages</span> <span class="o">=</span> <span class="n">languages</span> <span class="o">+</span> <span class="p">[</span><span class="n">l</span> <span class="k">for</span> <span class="n">l</span> <span class="ow">in</span> <span class="n">LOCALE_NAMES</span> <span class="k">if</span> <span class="n">l</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">languages</span><span class="p">]</span>
    311. 

  311. 

  312.     <span class="n">previous_matched_lang</span> <span class="o">=</span> <span class="kc">None</span>
    313. 

  313.     <span class="n">previous_count</span> <span class="o">=</span> <span class="mi">0</span>
    314. 

  314. 

  315.     <span class="k">for</span> <span class="n">lang</span> <span class="ow">in</span> <span class="n">languages</span><span class="p">:</span>
    316. 

  316. 

  317.         <span class="k">if</span> <span class="n">lang</span> <span class="ow">in</span> <span class="n">descriptions</span><span class="p">[</span><span class="n">engine_name</span><span class="p">]:</span>
    318. 

  318.             <span class="k">continue</span>
    319. 

  319. 

  320.         <span class="n">fetched_lang</span><span class="p">,</span> <span class="n">desc</span> <span class="o">=</span> <span class="n">get_website_description</span><span class="p">(</span><span class="n">website</span><span class="p">,</span> <span class="n">lang</span><span class="p">,</span> <span class="n">WIKIPEDIA_LANGUAGES</span><span class="p">[</span><span class="n">lang</span><span class="p">])</span>
    321. 

  321.         <span class="k">if</span> <span class="n">fetched_lang</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="n">desc</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
    322. 

  322.             <span class="k">continue</span>
    323. 

  323. 

  324.         <span class="c1"># check if desc changed with the different lang values</span>
    325. 

  325. 

  326.         <span class="k">if</span> <span class="n">fetched_lang</span> <span class="o">==</span> <span class="n">previous_matched_lang</span><span class="p">:</span>
    327. 

  327.             <span class="n">previous_count</span> <span class="o">+=</span> <span class="mi">1</span>
    328. 

  328.             <span class="k">if</span> <span class="n">previous_count</span> <span class="o">==</span> <span class="mi">6</span><span class="p">:</span>
    329. 

  329.                 <span class="c1"># the website has returned the same description for 6 different languages in Accept-Language header</span>
    330. 

  330.                 <span class="c1"># stop now</span>
    331. 

  331.                 <span class="k">break</span>
    332. 

  332.         <span class="k">else</span><span class="p">:</span>
    333. 

  333.             <span class="n">previous_matched_lang</span> <span class="o">=</span> <span class="n">fetched_lang</span>
    334. 

  334.             <span class="n">previous_count</span> <span class="o">=</span> <span class="mi">0</span>
    335. 

  335. 

  336.         <span class="c1"># Don&#39;t trust in the value of fetched_lang, some websites return</span>
    337. 

  337.         <span class="c1"># for some inappropriate values, by example bing-images::</span>
    338. 

  338.         <span class="c1">#</span>
    339. 

  339.         <span class="c1">#   requested lang: zh-Hans-CN / fetched lang: ceb / desc: 查看根据您的兴趣量身定制的提要</span>
    340. 

  340.         <span class="c1">#</span>
    341. 

  341.         <span class="c1"># The lang ceb is &quot;Cebuano&quot; but the description is given in zh-Hans-CN</span>
    342. 

  342. 

  343.         <span class="nb">print</span><span class="p">(</span>
    344. 

  344.             <span class="sa">f</span><span class="s2">&quot;    engine: </span><span class="si">{</span><span class="n">engine_name</span><span class="si">:</span><span class="s2">20</span><span class="si">}</span><span class="s2"> / requested lang:</span><span class="si">{</span><span class="n">lang</span><span class="si">:</span><span class="s2">7</span><span class="si">}</span><span class="s2">&quot;</span>
    345. 

  345.             <span class="sa">f</span><span class="s2">&quot; / fetched lang: </span><span class="si">{</span><span class="n">fetched_lang</span><span class="si">:</span><span class="s2">7</span><span class="si">}</span><span class="s2"> / len(desc): </span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="n">desc</span><span class="p">)</span><span class="si">}</span><span class="s2">&quot;</span>
    346. 

  346.         <span class="p">)</span>
    347. 

  347. 

  348.         <span class="n">matched_lang</span> <span class="o">=</span> <span class="n">match_locale</span><span class="p">(</span><span class="n">fetched_lang</span><span class="p">,</span> <span class="n">LOCALE_NAMES</span><span class="o">.</span><span class="n">keys</span><span class="p">(),</span> <span class="n">fallback</span><span class="o">=</span><span class="n">lang</span><span class="p">)</span>
    349. 

  349.         <span class="n">update_description</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">matched_lang</span><span class="p">,</span> <span class="n">desc</span><span class="p">,</span> <span class="n">website</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
    350. 

  350. 

  351. 

  352. <span class="k">def</span><span class="w"> </span><span class="nf">fetch_website_descriptions</span><span class="p">():</span>
    353. 

  353.     <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;Fetching website descriptions&#39;</span><span class="p">)</span>
    354. 

  354.     <span class="k">for</span> <span class="n">engine_name</span><span class="p">,</span> <span class="n">engine</span> <span class="ow">in</span> <span class="n">searx</span><span class="o">.</span><span class="n">engines</span><span class="o">.</span><span class="n">engines</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
    355. 

  355.         <span class="n">website</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="s2">&quot;about&quot;</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;website&#39;</span><span class="p">)</span>
    356. 

  356.         <span class="k">if</span> <span class="n">website</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="s2">&quot;search_url&quot;</span><span class="p">):</span>
    357. 

  357.             <span class="n">website</span> <span class="o">=</span> <span class="n">normalize_url</span><span class="p">(</span><span class="nb">getattr</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="s2">&quot;search_url&quot;</span><span class="p">))</span>
    358. 

  358.         <span class="k">if</span> <span class="n">website</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="s2">&quot;base_url&quot;</span><span class="p">):</span>
    359. 

  359.             <span class="n">website</span> <span class="o">=</span> <span class="n">normalize_url</span><span class="p">(</span><span class="nb">getattr</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="s2">&quot;base_url&quot;</span><span class="p">))</span>
    360. 

  360.         <span class="k">if</span> <span class="n">website</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
    361. 

  361.             <span class="n">fetch_website_description</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">website</span><span class="p">)</span>
    362. 

  362. 

  363. 

  364. <span class="k">def</span><span class="w"> </span><span class="nf">get_engine_descriptions_filename</span><span class="p">():</span>
    365. 

  365.     <span class="k">return</span> <span class="n">join</span><span class="p">(</span><span class="n">join</span><span class="p">(</span><span class="n">searx_dir</span><span class="p">,</span> <span class="s2">&quot;data&quot;</span><span class="p">),</span> <span class="s2">&quot;engine_descriptions.json&quot;</span><span class="p">)</span>
    366. 

  366. 

  367. 

  368. <div class="viewcode-block" id="get_output">
    369. 

  369. <a class="viewcode-back" href="../../../dev/searxng_extra/update.html#searxng_extra.update.update_engine_descriptions.get_output">[docs]</a>
    370. 

  370. <span class="k">def</span><span class="w"> </span><span class="nf">get_output</span><span class="p">():</span>
    371. 

  371. <span class="w">    </span><span class="sd">&quot;&quot;&quot;</span>
    372. 

  372. <span class="sd">    From descriptions[engine][language] = [description, source]</span>
    373. 

  373. <span class="sd">    To</span>
    374. 

  374. 

  375. <span class="sd">    * output[language][engine] = description_and_source</span>
    376. 

  376. <span class="sd">    * description_and_source can be:</span>
    377. 

  377. <span class="sd">       * [description, source]</span>
    378. 

  378. <span class="sd">       * description (if source = &quot;wikipedia&quot;)</span>
    379. 

  379. <span class="sd">       * [f&quot;engine:lang&quot;, &quot;ref&quot;] (reference to another existing description)</span>
    380. 

  380. <span class="sd">    &quot;&quot;&quot;</span>
    381. 

  381.     <span class="n">output</span> <span class="o">=</span> <span class="p">{</span><span class="n">locale</span><span class="p">:</span> <span class="p">{}</span> <span class="k">for</span> <span class="n">locale</span> <span class="ow">in</span> <span class="n">LOCALE_NAMES</span><span class="p">}</span>
    382. 

  382. 

  383.     <span class="n">seen_descriptions</span> <span class="o">=</span> <span class="p">{}</span>
    384. 

  384. 

  385.     <span class="k">for</span> <span class="n">engine_name</span><span class="p">,</span> <span class="n">lang_descriptions</span> <span class="ow">in</span> <span class="n">descriptions</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
    386. 

  386.         <span class="k">for</span> <span class="n">language</span><span class="p">,</span> <span class="n">description</span> <span class="ow">in</span> <span class="n">lang_descriptions</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
    387. 

  387.             <span class="k">if</span> <span class="n">description</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="n">seen_descriptions</span><span class="p">:</span>
    388. 

  388.                 <span class="n">ref</span> <span class="o">=</span> <span class="n">seen_descriptions</span><span class="p">[</span><span class="n">description</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span>
    389. 

  389.                 <span class="n">description</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">ref</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="si">}</span><span class="s1">:</span><span class="si">{</span><span class="n">ref</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="si">}</span><span class="s1">&#39;</span><span class="p">,</span> <span class="s1">&#39;ref&#39;</span><span class="p">]</span>
    390. 

  390.             <span class="k">else</span><span class="p">:</span>
    391. 

  391.                 <span class="n">seen_descriptions</span><span class="p">[</span><span class="n">description</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">language</span><span class="p">)</span>
    392. 

  392.                 <span class="k">if</span> <span class="n">description</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="s1">&#39;wikipedia&#39;</span><span class="p">:</span>
    393. 

  393.                     <span class="n">description</span> <span class="o">=</span> <span class="n">description</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
    394. 

  394.             <span class="n">output</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">language</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">engine_name</span><span class="p">,</span> <span class="n">description</span><span class="p">)</span>
    395. 

  395. 

  396.     <span class="k">return</span> <span class="n">output</span></div>
    397. 

  397. 

  398. 

  399. 

  400. <span class="k">def</span><span class="w"> </span><span class="nf">main</span><span class="p">():</span>
    401. 

  401.     <span class="n">initialize</span><span class="p">()</span>
    402. 

  402.     <span class="n">fetch_wikidata_descriptions</span><span class="p">()</span>
    403. 

  403.     <span class="n">fetch_wikipedia_descriptions</span><span class="p">()</span>
    404. 

  404.     <span class="n">fetch_website_descriptions</span><span class="p">()</span>
    405. 

  405. 

  406.     <span class="n">output</span> <span class="o">=</span> <span class="n">get_output</span><span class="p">()</span>
    407. 

  407.     <span class="k">with</span> <span class="n">DATA_FILE</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="s1">&#39;w&#39;</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="s1">&#39;utf8&#39;</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
    408. 

  408.         <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">output</span><span class="p">,</span> <span class="n">indent</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">separators</span><span class="o">=</span><span class="p">(</span><span class="s1">&#39;,&#39;</span><span class="p">,</span> <span class="s1">&#39;:&#39;</span><span class="p">),</span> <span class="n">sort_keys</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">ensure_ascii</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span>
    409. 

  409. 

  410. 

  411. <span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s2">&quot;__main__&quot;</span><span class="p">:</span>
    412. 

  412.     <span class="n">main</span><span class="p">()</span>
    413. 

  413. </pre></div>
    414. 

  414. 

  415.             <div class="clearer"></div>
    416. 

  416.           </div>
    417. 

  417.         </div>
    418. 

  418.       </div>
    419. 

  419.   <span id="sidebar-top"></span>
    420. 

  420.       <div class="sphinxsidebar" role="navigation" aria-label="Main">
    421. 

  421.         <div class="sphinxsidebarwrapper">
    422. 

  422.   
    423. 

  423.     
    424. 

  424.             <p class="logo"><a href="../../../index.html">
    425. 

  425.               <img class="logo" src="../../../_static/searxng-wordmark.svg" alt="Logo of SearXNG"/>
    426. 

  426.             </a></p>
    427. 

  427.   
    428. 

  428. 

  429. <h3><a href="../../../index.html">Table of Contents</a></h3>
    430. 

  430. <ul>
    431. 

  431. <li class="toctree-l1"><a class="reference internal" href="../../../user/index.html">User information</a></li>
    432. 

  432. <li class="toctree-l1"><a class="reference internal" href="../../../own-instance.html">Why use a private instance?</a></li>
    433. 

  433. <li class="toctree-l1"><a class="reference internal" href="../../../admin/index.html">Administrator documentation</a></li>
    434. 

  434. <li class="toctree-l1"><a class="reference internal" href="../../../dev/index.html">Developer documentation</a></li>
    435. 

  435. <li class="toctree-l1"><a class="reference internal" href="../../../utils/index.html">DevOps tooling box</a></li>
    436. 

  436. <li class="toctree-l1"><a class="reference internal" href="../../../src/index.html">Source-Code</a></li>
    437. 

  437. </ul>
    438. 

  438. 

  439.   <h3>Project Links</h3>
    440. 

  440.   <ul>
    441. 

  441.     <li><a href="https://github.com/searxng/searxng/tree/master">Source</a>
    442. 

  442.   
    443. 

  443.     <li><a href="https://github.com/searxng/searxng/wiki">Wiki</a>
    444. 

  444.   
    445. 

  445.     <li><a href="https://searx.space">Public instances</a>
    446. 

  446.   
    447. 

  447.     <li><a href="https://github.com/searxng/searxng/issues">Issue Tracker</a>
    448. 

  448.   </ul><h3>Navigation</h3>
    449. 

  449. <ul>
    450. 

  450.   <li><a href="../../../index.html">Overview</a>
    451. 

  451.     <ul>
    452. 

  452.       <li><a href="../../index.html">Module code</a>
    453. 

  453.         
    454. 

  454.           
    455. 

  455.           </ul>
    456. 

  456.       </li>
    457. 

  457.     </ul>
    458. 

  458.   </li>
    459. 

  459. </ul>
    460. 

  460. <search id="searchbox" style="display: none" role="search">
    461. 

  461.   <h3 id="searchlabel">Quick search</h3>
    462. 

  462.     <div class="searchformwrapper">
    463. 

  463.     <form class="search" action="../../../search.html" method="get">
    464. 

  464.       <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
    465. 

  465.       <input type="submit" value="Go" />
    466. 

  466.     </form>
    467. 

  467.     </div>
    468. 

  468. </search>
    469. 

  469. <script>document.getElementById('searchbox').style.display = "block"</script>
    470. 

  470.         </div>
    471. 

  471.       </div>
    472. 

  472.       <div class="clearer"></div>
    473. 

  473.     </div>
    474. 

  474.     <div class="footer" role="contentinfo">
    475. 

  475.     &#169; Copyright SearXNG team.
    476. 

  476.     </div>
    477. 

  477.   </body>
    478. 

  478. </html>
    479.
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