code: def woopra(parser, token):
      
      bits = token.split_contents()
      if len(bits) > 1:
          raise TemplateSyntaxError("'%s' takes no arguments" % bits[0])
      return WoopraNode()
docs: Woopra tracking template tag.
  
      Renders Javascript code to track page visits.  You must supply
      your Woopra domain in the ``WOOPRA_DOMAIN`` setting.