It is often the case that there are certain parts of your web application that you don't want to be accessible to everyone, especially in the case of SaaS applications. That's where you need to guard certain functionalities or the entire application behind some sort of user management.

Google App Engine provides you with some really solid and strong user management out of the box. The process is pretty simple. The API is defined in the google.appengine.api.users package. The whole package contains a total of four functions and a single User class, which are as follows, and that's how the process works:

  • get_current_user(): This returns the current logged in user. This is an instance of the User class, which we'll examine in a while. If this ...

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