new_contents: #!/usr/bin/env python
  
  from urllib import urlencode
  from urlparse import unquote
  from lxml import html
  from searx.engines.xpath import extract_text, extract_url
  
  categories = ['news']
  search_url = 'http://news.search.yahoo.com/search?{query}&b={offset}'
  results_xpath = '//div[@class="res"]'
  url_xpath = './/h3/a/@href'
  title_xpath = './/h3/a'
  content_xpath = './/div[@class="abstr"]'
  suggestion_xpath = '//div[@id="satat"]//a'
  
  paging = True
  
  
  def request(query, params):
      offset = (params['pageno'] - 1) * 10 + 1
      if params['language'] == 'all':
          language = 'en'
      else:
          language = params['language'].split('_')[0]
      params['url'] = search_url.format(offset=offset,
                                        query=urlencode({'p': query}))
      params['cookies']['sB'] = 'fl=1&vl=lang_{lang}&sh=1&rw=new&v=1'\
          .format(lang=language)
      return params
  
  
  def response(resp):
      results = []
      dom = html.fromstring(resp.text)
  
      for result in dom.xpath(results_xpath):
          url_string = extract_url(result.xpath(url_xpath), search_url)
          start = url_string.find('/RU=')+4
          end = url_string.rfind('/RS')
          url = unquote(url_string[start:end])
          title = extract_text(result.xpath(title_xpath)[0])
          content = extract_text(result.xpath(content_xpath)[0])
          results.append({'url': url, 'title': title, 'content': content})
  
      if not suggestion_xpath:
          return results
  
      for suggestion in dom.xpath(suggestion_xpath):
          results.append({'suggestion': extract_text(suggestion)})
  
      return results
  
subject: Create yahoo_news.py