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Web Development with Django

You're reading from   Web Development with Django A definitive guide to building modern Python web applications using Django 4

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781803230603
Length 764 pages
Edition 2nd Edition
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Authors (4):
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Bharath Chandra K S Bharath Chandra K S
Author Profile Icon Bharath Chandra K S
Bharath Chandra K S
Saurabh Badhwar Saurabh Badhwar
Author Profile Icon Saurabh Badhwar
Saurabh Badhwar
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 (19) Chapters Close

Preface 1. Chapter 1: An Introduction to Django 2. Chapter 2: Models and Migrations FREE CHAPTER 3. Chapter 3: URL Mapping, Views, and Templates 4. Chapter 4: An Introduction to Django Admin 5. Chapter 5: Serving Static Files 6. Chapter 6: Forms 7. Chapter 7: Advanced Form Validation and Model Forms 8. Chapter 8: Media Serving and File Uploads 9. Chapter 9: Sessions and Authentication 10. Chapter 10: Advanced Django Admin and Customizations 11. Chapter 11: Advanced Templating and Class-Based Views 12. Chapter 12: Building a REST API 13. Chapter 13: Generating CSV, PDF, and Other Binary Files 14. Chapter 14: Testing Your Django Applications 15. Chapter 15: Django Third-Party Libraries 16. Chapter 16: Using a Frontend JavaScript Library with Django 17. Index 18. Other Books You May Enjoy

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 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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