An application can test whether the currently signed-in user is a registered administrator for the application. An administrator is a user who has the Viewer, Editor, or Owner primitive role, or the App Engine App Admin curated role.
The function users.is_current_user_admin
True if the current user is an administrator for the application.
Tip: An easy way to restrict access to a part of your application to
administrators is to use the
login: admin configuration element for the URL handler.
See Configuring an App