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Learn Web Development with Python

You're reading from   Learn Web Development with Python Get hands-on with Python Programming and Django web development

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Product type Course
Published in Dec 2018
Publisher
ISBN-13 9781789953299
Length 796 pages
Edition 1st Edition
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Authors (3):
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Fabrizio Romano Fabrizio Romano
Author Profile Icon Fabrizio Romano
Fabrizio Romano
Gaston C. Hillar Gaston C. Hillar
Author Profile Icon Gaston C. Hillar
Gaston C. Hillar
Arun Ravindran Arun Ravindran
Author Profile Icon Arun Ravindran
Arun Ravindran
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Table of Contents (33) Chapters Close

Title Page
About Packt
Contributors
Preface
1. A Gentle Introduction to Python 2. Built-in Data Types FREE CHAPTER 3. Iterating and Making Decisions 4. Functions, the Building Blocks of Code 5. Saving Time and Memory 6. OOP, Decorators, and Iterators 7. Files and Data Persistence 8. Testing, Profiling, and Dealing with Exceptions 9. Concurrent Execution 10. Debugging and Troubleshooting 11. Installing the Required Software and Tools 12. Working with Models, Migrations, Serialization, and Deserialization 13. Creating API Views 14. Using Generalized Behavior from the APIView Class 15. Understanding and Customizing the Browsable API Feature 16. Using Constraints, Filtering, Searching, Ordering, and Pagination 17. Securing the API with Authentication and Permissions 18. Applying Throttling Rules and Versioning Management 19. Automating Tests 20. Solutions 21. Templates 22. Admin Interface 23. Forms 24. Security 25. Working Asynchronously 26. Creating APIs 27. Production-Ready 1. Other Books You May Enjoy Index

Understanding CRUD operations with Django views and the request methods


When the Django server receives an HTTP request, Django creates an HttpRequest instance, specifically a django.http.HttpRequest object. This instance contains metadata about the request, and this metadata includes an HTTP verb such as GET, POST, or PUT. The method attribute provides a string representing the HTTP verb or method used in the request.

When Django loads the appropriate view that will process the request, it passes the HttpRequest instance as the first argument to the view function. The view function has to return an HttpResponse instance, specifically a django.http.HttpResponse instance.

The toy_list function lists all the toys or creates a new toy. The function receives an HttpRequest instance in the request argument. The function is capable of processing two HTTP verbs: GET and POST. The code checks the value of the request.method attribute to determine the code to be executed based on the HTTP verb.

If the...

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