new_contents: from urllib import urlencode
  from cgi import escape
  from lxml import html
  
  categories = ['news']
  
  base_url = 'http://www.bing.com/'
  search_string = 'news/search?{query}&first={offset}'
  paging = True
  language_support = True
  
  
  def request(query, params):
      offset = (params['pageno'] - 1) * 10 + 1
      if params['language'] == 'all':
          language = 'en-US'
      else:
          language = params['language'].replace('_', '-')
      search_path = search_string.format(
          query=urlencode({'q': query, 'setmkt': language}),
          offset=offset)
  
      params['cookies']['SRCHHPGUSR'] = \
          'NEWWND=0&NRSLT=-1&SRCHLANG=' + language.split('-')[0]
      #if params['category'] == 'images':
      # params['url'] = base_url + 'images/' + search_path
      params['url'] = base_url + search_path
      return params
  
  
  def response(resp):
      global base_url
      results = []
      dom = html.fromstring(resp.content)
      for result in dom.xpath('//div[@class="sa_cc"]'):
          link = result.xpath('.//h3/a')[0]
          url = link.attrib.get('href')
          title = ' '.join(link.xpath('.//text()'))
          content = escape(' '.join(result.xpath('.//p//text()')))
          results.append({'url': url, 'title': title, 'content': content})
  
      if results:
          return results
  
      for result in dom.xpath('//li[@class="b_algo"]'):
          link = result.xpath('.//h2/a')[0]
          url = link.attrib.get('href')
          title = ' '.join(link.xpath('.//text()'))
          content = escape(' '.join(result.xpath('.//p//text()')))
          results.append({'url': url, 'title': title, 'content': content})
      return results
  
subject: Create bing_news.py