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Web Development with Django

You're reading from   Web Development with Django Learn to build modern web applications with a Python-based framework

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Product type Paperback
Published in Feb 2021
Publisher Packt
ISBN-13 9781839212505
Length 826 pages
Edition 1st Edition
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Authors (5):
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Saurabh Badhwar Saurabh Badhwar
Author Profile Icon Saurabh Badhwar
Saurabh Badhwar
Bharath Chandra K S Bharath Chandra K S
Author Profile Icon Bharath Chandra K S
Bharath Chandra K S
Andrew Bird Andrew Bird
Author Profile Icon Andrew Bird
Andrew Bird
Ben Shaw Ben Shaw
Author Profile Icon Ben Shaw
Ben Shaw
Chris Guest Chris Guest
Author Profile Icon Chris Guest
Chris Guest
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Toc

Table of Contents (17) Chapters Close

Preface
1. Introduction to Django 2. Models and Migrations FREE CHAPTER 3. URL Mapping, Views, and Templates 4. Introduction to Django Admin 5. Serving Static Files 6. Forms 7. Advanced Form Validation and Model Forms 8. Media Serving and File Uploads 9. Sessions and Authentication 10. Advanced Django Admin and Customizations 11. Advanced Templating and Class-Based Views 12. Building a REST API 13. Generating CSV, PDF, and Other Binary Files 14. Testing 15. Django Third-Party Libraries 16. Using a Frontend JavaScript Library with Django

Sessions

It is worth looking at some theory to understand why sessions are a common solution in web applications for managing user content. The HTTP protocol defines the interactions between a client and a server. It is said to be a "stateless" protocol as no stateful information is retained by the server between requests. This protocol design worked well for delivering hypertextual information in the early days of the World Wide Web, but it did not suit the needs of secured web applications delivering customized information to specific users.

We are now acquainted with seeing websites adapt to our personal viewing habits. Shopping sites recommend similar products to the ones that we have recently viewed and tell us about products that are popular in our region. These features all required a stateful approach to website development. One of the most common ways to implement a stateful web experience is through sessions. A session refers to a user's current interaction...

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