new_contents: #!/usr/bin/env python
  # -*- encoding: utf-8 -*-
  
  import summer
  
  def flatten_item(i):
      return {'author':        i.get_author(), 
              'description':   i.get_description(), 
              'downloadables': [flatten_downloadable(x) for x in i.get_downloadables()],
              'id':            i.get_id(),
              'title':         i.get_title(),
              'updated':       i.get_updated(),
              'web_url':       i.get_web_url()}
  
  def flatten_downloadable(d):
      return {'url': d.get_url(), 'mime': d.get_mime(), 'length': d.get_length()}
  
subject: Add summer_util.py