text: """
   F-Droid (a repository of FOSS applications for Android)
  
   @website      https://f-droid.org/
   @provide-api  no
   @using-api    no
   @results      HTML
   @stable       no (HTML can change)
   @parse        url, title, content
  """
  
  from lxml import html
  from searx.engines.xpath import extract_text
  from searx.url_utils import urlencode
  
  # engine dependent config
  categories = ['files']
  paging = True
  
  # search-url
  base_url = 'https://search.f-droid.org/'
  search_url = base_url + '?{query}'
  
  
  # do search-request
  def request(query, params):
      query = urlencode({'q': query, 'page': params['pageno'], 'lang': ''})
      params['url'] = search_url.format(query=query)
      return params
  
  
  # get response from search-request
  def response(resp):
      results = []
  
      dom = html.fromstring(resp.text)
  
      for app in dom.xpath('//a[@class="package-header"]'):
          app_url = app.xpath('./@href')[0]
          app_title = extract_text(app.xpath('./div/h4[@class="package-name"]/text()'))
          app_content = extract_text(app.xpath('./div/div/span[@class="package-summary"]')).strip() \
              + ' - ' + extract_text(app.xpath('./div/div/span[@class="package-license"]')).strip()
          app_img_src = app.xpath('./img[@class="package-icon"]/@src')[0]
  
          results.append({'url': app_url,
                          'title': app_title,
                          'content': app_content,
                          'img_src': app_img_src})
  
      return results
  