new_contents: from __future__ import unicode_literals, division, absolute_import
  import logging
  from urlparse import urlparse
  
  from flexget import plugin
  from flexget.utils import requests
  from flexget.event import event
  
  log = logging.getLogger('shortened')
  
  
  class UrlRewriteShortened(object):
      """Shortened url rewriter."""
  
      def url_rewritable(self, task, entry):
          return urlparse(entry['url']).netloc in ['bit.ly', 't.co']
  
      def url_rewrite(self, task, entry):
          request = task.requests.head(entry['url'], allow_redirects=True)
          entry['url'] = request.url
  
  @event('plugin.register')
  def register_plugin():
      plugin.register(UrlRewriteShortened, 'shortened', groups=['urlrewriter'], api_ver=2)
  
subject: Add url rewriter for shortened urls