new_contents: import logging, unittest
  
  def build_travel_link(place_name):
      logging.info('Flight redirect to <{0}>'.format(place_name))
      return 'http://skyscanner.net/'
      
  def build_info_link(place_name):
      logging.info('Info redirect for <{0}>'.format(place_name))
      return 'http://wikitravel.org/en/' + place_name
  
  link_builders = {
          'travel':build_travel_link,
          'info':build_info_link
      }
  
  def build_link(target, place_name):
      return link_builders[target](place_name)
      
subject: add server side link builder