gistfile1.py

  url = BASE_URL + 'viewingservice/v1/thumbnails'
  url = url + '/' + urn

  headers = {     
    'Authorization' : 'Bearer ' + access_token
  }

  print url   
  print headers

  #execute the http request
  r = requests.get(url,headers=headers,stream=True)
  
  if r.status_code == 200:
    with open("c:\\temp\\mythumnail.png", 'wb') as f:
         for chunk in r.iter_content():
            f.write(chunk)    

  if verbose or 200 != r.status_code:
    print r.status_code
    print r.headers['content-type']
    print r.content
    
  if 200 != r.status_code:
    print "Get thumnail returned status code %s." % r.status_code
    raise SystemExit(9)