old_contents: # -*- coding: utf-8 -*-
  
  # See:  https://developers.google.com/accounts/docs/OAuth2ForDevices
  
  import httplib2
  from six.moves import input
  from oauth2client.client import OAuth2WebServerFlow
  from googleapiclient.discovery import build
  
  CLIENT_ID = "some+client+id"
  CLIENT_SECRET = "some+client+secret"
  SCOPES = ("https://www.googleapis.com/auth/youtube",)
  
  flow = OAuth2WebServerFlow(CLIENT_ID, CLIENT_SECRET, " ".join(SCOPES))
  
  # Step 1: get user code and verification URL
  # https://developers.google.com/accounts/docs/OAuth2ForDevices#obtainingacode
  flow_info = flow.step1_get_device_and_user_codes()
  print "Enter the following code at %s: %s" % (flow_info.verification_url,
                                                flow_info.user_code)
  print "Then press Enter."
  input()
  
  # Step 2: get credentials
  # https://developers.google.com/accounts/docs/OAuth2ForDevices#obtainingatoken
  credentials = flow.step2_exchange(device_flow_info=flow_info)
  print "Access token:", credentials.access_token
  print "Refresh token:", credentials.refresh_token
  
  # Get YouTube service
  # https://developers.google.com/accounts/docs/OAuth2ForDevices#callinganapi
  youtube = build("youtube", "v3", http=credentials.authorize(httplib2.Http()))
  
new_contents: # -*- coding: utf-8 -*-
  
  # See:  https://developers.google.com/accounts/docs/OAuth2ForDevices
  
  import httplib2
  from six.moves import input
  from oauth2client.client import OAuth2WebServerFlow
  from googleapiclient.discovery import build
  
  CLIENT_ID = "some+client+id"
  CLIENT_SECRET = "some+client+secret"
  SCOPES = ("https://www.googleapis.com/auth/youtube",)
  
  flow = OAuth2WebServerFlow(CLIENT_ID, CLIENT_SECRET, " ".join(SCOPES))
  
  # Step 1: get user code and verification URL
  # https://developers.google.com/accounts/docs/OAuth2ForDevices#obtainingacode
  flow_info = flow.step1_get_device_and_user_codes()
  print("Enter the following code at {0}: {1}".format(flow_info.verification_url,
                                                      flow_info.user_code))
  print("Then press Enter.")
  input()
  
  # Step 2: get credentials
  # https://developers.google.com/accounts/docs/OAuth2ForDevices#obtainingatoken
  credentials = flow.step2_exchange(device_flow_info=flow_info)
  print("Access token:  {0}".format(credentials.access_token))
  print("Refresh token: {0}".format(credentials.refresh_token))
  
  # Get YouTube service
  # https://developers.google.com/accounts/docs/OAuth2ForDevices#callinganapi
  youtube = build("youtube", "v3", http=credentials.authorize(httplib2.Http()))
  
subject: Fix example to be Python3 compatible, use format()