With Google App Engine, you do not need to provide your own registration and authentication mechanism. Google App Engine supports out of the box

• Google Accounts
• OpenId

Creating admin only views was dumb easy. For the basic use case, you don’t even need to touch your Python code.

• All Google App Engine authentication URLs are provided in /_ah URI space
• Google App Engine maps URLs to Python scripts using app.yaml file
• In this file you can specify that the URL requires App Engine application administrator login
• When accessing such an URL App Engine will present the user a login page with auto-redirect to the page the user was going if the login is succesful
• You can add Google accounts to admins in App Engine control panel
• On the local development server you are simply presented a dummy login page where you can choose if you are logged out or not
• To logout, just visit URL http://localhost:8080/_ah/login?action=Logout

Example app.yaml:

application: lol-apua
version: 1
runtime: python
api_version: 1

handlers:

- url: /media
  static_dir: media

- url: /edit-settings
  script: main.py
  login: admin

- url: /.*
  script: main.py

More info

• app.yaml configuration options
• Users API for Python

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