Google API
Google API Console
Google Font API
Google Blogger API
https://developers.google.com/api-client-library/python/samples/samples
Google API Explorer
Google API OAuth
App engine OAuth2 training Vedio:
https://www.youtube.com/watch?v=HoUdWBzUZ-M
http://googleappsdeveloper.blogspot.sg/2011/09/python-oauth-20-google-data-apis.html
http://stackoverflow.com/questions/2282924/oauth-for-google-api-example-using-python-django
http://stackoverflow.com/questions/10271110/python-oauth2-login-with-google
http://www.jaco.it/blog/2013/05/31/google-api-oauth-2-dot-0-the-short-way
http://www.joyofdata.de/blog/oauth2-google-api-python-google-analytics/
https://github.com/reddit/reddit/wiki/OAuth2-Python-Example