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Add Authentication to a Flask CMS

In this code lab, you’ll add authentication to the admin dashboard of an existing content management system. You will also handle and validate form data.

Lab platform
Lab Info
Level
Intermediate
Last updated
Sep 09, 2025
Duration
1h 5m

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Table of Contents
  1. Challenge

    Authentication

    Overview

    Python & Flask are great for building a simple web application. In this lab you’ll add authentication to the admin dashboard of an existing content management system. You will also handle and validate form data. In this module, we'll alter a SQLAlchemy User model to include a password column. Using Flask-Migrate, we will add the new column to the database and populate the required fields. We will create a login HTML form and validate the form data in a new login route. The currently logged in user will be stored in a Flask session. The session will be cleared when the user logs out. ### Solution The solution can be found in the solution directory.

About the author

Tom is a staff author at Pluralsight helping to develop Hands-On content. Tom's background in software development, UI/UX, and instructional design was developed over the years while working as a faculty member at the School of Computing at Weber State University in Utah, and continues to grow as he develops Projects and Labs for Pluralsight. When he's not creating content to allow learners to gain real-life experience, he enjoys spending time with his family.

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