Book Image

Django 4 By Example - Fourth Edition

By : Antonio Melé
4.6 (5)
Book Image

Django 4 By Example - Fourth Edition

4.6 (5)
By: Antonio Melé

Overview of this book

Django 4 By Example is the 4th edition of the best-selling franchise that helps you build web apps. This book will walk you through the creation of real-world applications, solving common problems, and implementing best practices using a step-by-step approach. You'll cover a wide range of web app development topics as you build four different apps: A blog application: Create data models, views, and URLs and implement an admin site for your blog. Create sitemaps and RSS feeds and implement a full-text search engine with PostgreSQL. A social website: Implement authentication with Facebook, Twitter, and Google. Create user profiles, image thumbnails, a bookmarklet, and an activity stream. Implement a user follower system and add infinite scroll pagination to your website. An e-commerce application: Build a product catalog, a shopping cart, and asynchronous tasks with Celery and RabbitMQ. Process payments with Stripe and manage payment notifications via webhooks. Build a product recommendation engine with Redis. Create PDF invoices and export orders to CSV. An e-learning platform: Create a content management system to manage polymorphic content. Cache content with Memcached and Redis. Build and consume a RESTful API. Implement a real-time chat using WebSockets with ASGI. Create a production environment using NGINX, uWSGI and Daphne with Docker Compose. This is a practical book that will have you creating web apps quickly.
Table of Contents (20 chapters)
18
Other Books You May Enjoy
19
Index

Main framework components

Django follows the MTV (Model-Template-View) pattern. It is a slightly similar pattern to the well-known MVC (Model-View-Controller) pattern, where the Template acts as View and the framework itself acts as the Controller.

The responsibilities in the Django MTV pattern are divided as follows:

  • Model – Defines the logical data structure and is the data handler between the database and the View.
  • Template – Is the presentation layer. Django uses a plain-text template system that keeps everything that the browser renders.
  • View – Communicates with the database via the Model and transfers the data to the Template for viewing.

The framework itself acts as the Controller. It sends a request to the appropriate view, according to the Django URL configuration.

When developing any Django project, you will always work with models, views, templates, and URLs. In this chapter, you will learn how they fit together.