Book Image

Learn Web Development with Python

By : Fabrizio Romano, Gaston C. Hillar, Arun Ravindran
Book Image

Learn Web Development with Python

By: Fabrizio Romano, Gaston C. Hillar, Arun Ravindran

Overview of this book

If you want to develop complete Python web apps with Django, this Learning Path is for you. It will walk you through Python programming techniques and guide you in implementing them when creating 4 professional Django projects, teaching you how to solve common problems and develop RESTful web services with Django and Python. You will learn how to build a blog application, a social image bookmarking website, an online shop, and an e-learning platform. Learn Web Development with Python will get you started with Python programming techniques, show you how to enhance your applications with AJAX, create RESTful APIs, and set up a production environment for your Django projects. Last but not least, you’ll learn the best practices for creating real-world applications. By the end of this Learning Path, you will have a full understanding of how Django works and how to use it to build web applications from scratch. This Learning Path includes content from the following Packt products: • Learn Python Programming by Fabrizio Romano • Django RESTful Web Services by Gastón C. Hillar • Django Design Patterns and Best Practices by Arun Ravindran
Table of Contents (33 chapters)
Title Page
About Packt
Contributors
Preface
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...