text: """
   BTDigg (Videos, Music, Files)
  
   @website     https://btdigg.org
   @provide-api yes (on demand)
  
   @using-api   no
   @results     HTML (using search portal)
   @stable      no (HTML can change)
   @parse       url, title, content, seed, leech, magnetlink
  """
  
  from lxml import html
  from operator import itemgetter
  from searx.engines.xpath import extract_text
  from searx.url_utils import quote, urljoin
  from searx.utils import get_torrent_size
  
  # engine dependent config
  categories = ['videos', 'music', 'files']
  paging = True
  
  # search-url
  url = 'https://btdigg.org'
  search_url = url + '/search?q={search_term}&p={pageno}'
  
  
  # do search-request
  def request(query, params):
      params['url'] = search_url.format(search_term=quote(query),
                                        pageno=params['pageno'] - 1)
  
      return params
  
  
  # get response from search-request
  def response(resp):
      results = []
  
      dom = html.fromstring(resp.text)
  
      search_res = dom.xpath('//div[@id="search_res"]/table/tr')
  
      # return empty array if nothing is found
      if not search_res:
          return []
  
      # parse results
      for result in search_res:
          link = result.xpath('.//td[@class="torrent_name"]//a')[0]
          href = urljoin(url, link.attrib.get('href'))
          title = extract_text(link)
          content = extract_text(result.xpath('.//pre[@class="snippet"]')[0])
          content = "<br />".join(content.split("\n"))
  
          filesize = result.xpath('.//span[@class="attr_val"]/text()')[0].split()[0]
          filesize_multiplier = result.xpath('.//span[@class="attr_val"]/text()')[0].split()[1]
          files = result.xpath('.//span[@class="attr_val"]/text()')[1]
          seed = result.xpath('.//span[@class="attr_val"]/text()')[2]
  
          # convert seed to int if possible
          if seed.isdigit():
              seed = int(seed)
          else:
              seed = 0
  
          leech = 0
  
          # convert filesize to byte if possible
          filesize = get_torrent_size(filesize, filesize_multiplier)
  
          # convert files to int if possible
          if files.isdigit():
              files = int(files)
          else:
              files = None
  
          magnetlink = result.xpath('.//td[@class="ttth"]//a')[0].attrib['href']
  
          # append result
          results.append({'url': href,
                          'title': title,
                          'content': content,
                          'seed': seed,
                          'leech': leech,
                          'filesize': filesize,
                          'files': files,
                          'magnetlink': magnetlink,
                          'template': 'torrent.html'})
  
      # return results sorted by seeder
      return sorted(results, key=itemgetter('seed'), reverse=True)
  