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  <title>Dev/Command-line/Wikidata - XOWA</title>
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  <h1 id="firstHeading" class="firstHeading"><span>Dev/Command-line/Wikidata</span></h1>
  <div id="bodyContent" class="mw-body-content">
    <div id="siteSub">From XOWA: the free, open-source, offline wiki application</div>
    <div id="contentSub"></div>
    <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr">
    
    <div id="toc" class="toc">
      <div id="toctitle" class="toctitle">
        <h2>
          Contents
        </h2>
      </div>
      <ul>
        <li class="toclevel-1 tocsection-1">
          <a href="#Import_using_the_XML_dump"><span class="tocnumber">1</span> <span class="toctext">Import using the XML dump</span></a>
        </li>
        <li class="toclevel-1 tocsection-2">
          <a href="#Import_using_the_JSON_dump"><span class="tocnumber">2</span> <span class="toctext">Import using the JSON dump</span></a>
        </li>
      </ul>
    </div>
    <p>
      XOWA can import Wikidata through the command-line
    </p>
    <h2>
      <span class="mw-headline" id="Import_using_the_XML_dump">Import using the XML dump</span>
    </h2>
    <p>
      XOWA can build wikidata using the XML dump at www.mediwa/wikidatawiki/. This import is basically the same as an import of any other wiki.
    </p>
    <p>
      The script for the XML import follows.
    </p>
<pre class='code'>
  // build wikidata database; this only needs to be done once, whenever wikidata is updated
  add     ('www.wikidata.org' , 'util.cleanup')          {delete_all = 'y';}
  add     ('www.wikidata.org' , 'util.download')         {dump_type = 'pages-articles';}
  add     ('www.wikidata.org' , 'util.download')         {dump_type = 'categorylinks';}
  add     ('www.wikidata.org' , 'util.download')         {dump_type = 'page_props';}
  add     ('www.wikidata.org' , 'util.download')         {dump_type = 'image';}
  add     ('www.wikidata.org' , 'text.init');
  add     ('www.wikidata.org' , 'text.page');
  add     ('www.wikidata.org' , 'text.cat.core');
  add     ('www.wikidata.org' , 'text.cat.link');
  add     ('www.wikidata.org' , 'text.cat.hidden');
  add     ('www.wikidata.org' , 'text.term');
  add     ('www.wikidata.org' , 'text.css');
  add     ('www.wikidata.org' , 'util.cleanup')          {delete_tmp = 'y'; delete_by_match('*.xml|*.sql|*.bz2|*.gz');}
</pre>
    <h2>
      <span class="mw-headline" id="Import_using_the_JSON_dump">Import using the JSON dump</span>
    </h2>
    <p>
      As of v2.6.3, XOWA also provides basic support for building wikidata from the JSON dump. This support was added for the following reasons:
    </p>
    <ul>
      <li>
        <b>Current delay in XML dumps</b>: The last good wikidata XML dump was 2+ months old due to problems with dump generation. See: <a href="https://phabricator.wikimedia.org/T98585" rel="nofollow" class="external free">https://phabricator.wikimedia.org/T98585</a>
      </li>
      <li>
        <b>JSON dumps recommended</b>: Wikidata seems to prefer using the JSON dump over the XML dump. See: <a href="http://www.wikidata.org/wiki/Wikidata:Database_download" rel="nofollow" class="external free">http://www.wikidata.org/wiki/Wikidata:Database_download</a>
      </li>
      <li>
        <b>JSON dumps are more frequent</b>: The JSON dumps have been dumping regularly on a weekly basis. In contrast the XML dumps take 3 - 4 weeks.
      </li>
    </ul>
    <p>
      Despite these reasons, there are limitations to the JSON dump.
    </p>
    <ul>
      <li>
        <b>Non-JSON pages not available</b>: The JSON dump doesn't provide other pages, such as the Main Page or MediaWiki pages. Only pages in the main and property namespaces are available. This is by design. See: <a href="https://lists.wikimedia.org/pipermail/wikidata/2015-June/006441.html" rel="nofollow" class="external free">https://lists.wikimedia.org/pipermail/wikidata/2015-June/006441.html</a>
      </li>
      <li>
        <b>Page metadata not available</b> : Certain properties are not available, such as page_id and last_modified. XOWA provides substitutes for these values, but they will not match the Wikimedia version
      </li>
    </ul>
    <p>
      The script for the JSON import follows.
    </p>
<pre class='code'>
  add     ('www.wikidata.org' , 'util.cleanup')          {delete_all = 'y';}
  // TODO: add     ('www.wikidata.org' , 'util.download')      {dump_type = 'wikidata-json';}
  add     ('www.wikidata.org' , 'wbase.json_dump');
  add     ('www.wikidata.org' , 'text.term');
  add     ('www.wikidata.org' , 'text.css');
  add     ('www.wikidata.org' , 'util.cleanup')          {delete_tmp = 'y'; delete_by_match('*.xml|*.sql|*.bz2|*.gz|*.json');}
</pre>
  
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