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 decorators that work as wrappers


Now, we will make a few changes to the code in the toys/views.py file to provide support for the OPTIONS verb in our RESTful Web Service. Specifically, we will take advantage of a decorator provided by the Django REST framework.

We will use the @api_view decorator that is declared in the rest_framework.decorators module. We will apply this decorator to our function-based views: toys_list and toys_detail.

The @api_view decorator allows us to specify which are the HTTP verbs that the function to which it is applied can process. If the request that has been routed to the view function has an HTTP verb that isn't included in the string list specified as the http_method_names argument for the @api_view decorator, the default behavior returns a response with an HTTP 405 Method Not Allowed status code.

This way, we make sure that whenever the RESTful Web Service receives an HTTP verb that isn't considered within our function views, we won't generate an...