Is There A Way To Map Gae User Object And Google+ Userid

As mentioned here, for default authentication using python users API an object will be returned based on user's email. When user_id() is called over the object a unique id is retur

Solution 1:

Yes, using their user.email()

To access properties of their Google+ profile you will need to use the Google APIs Client Library for Python https://developers.google.com/api-client-library/python/start/installation