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  • Book Overview & Buying Django 5 By Example
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Django 5 By Example

Django 5 By Example

By : Antonio Melé
4.6 (39)
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Django 5 By Example

Django 5 By Example

4.6 (39)
By: Antonio Melé
Buy this Book

Overview of this book

If you want to learn Django by doing, this book is for you. Django 5 By Example is the fifth edition of the best-selling franchise that helps you build real-world web apps. This book will walk you through planning and creation, solving common problems, and implementing best practices using a step-by-step approach. You’ll cover a wide range of web application development topics through four different projects: a blog application, a social website, an e-commerce application, and an e-learning platform. Pick up what’s new in Django 5 as you build end-to-end Python web apps, follow detailed project plans, and understand the hows and whys of Django. This is a practical and approachable book that will have you creating web apps quickly.
Table of Contents (20 chapters)
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Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Share your thoughts
Download a free PDF copy of this book
Free Chapter
1
Building a Blog Application
Building a Blog Application
Installing Python
Creating a Python virtual environment
Installing Django
Django overview
Creating your first project
Creating the blog data models
Creating an administration site for models
Working with QuerySets and managers
Building list and detail views
Creating templates for your views
The request/response cycle
Management commands used in this chapter
Summary
Additional resources
Join us on Discord!
2
Enhancing Your Blog and Adding Social Features
Enhancing Your Blog and Adding Social Features
Functional overview
Using canonical URLs for models
Creating SEO-friendly URLs for posts
Adding pagination
Building class-based views
Recommending posts by email
Creating a comment system
Summary
Additional resources
3
Extending Your Blog Application
Extending Your Blog Application
Functional overview
Implementing tagging with django-taggit
Retrieving posts by similarity
Creating custom template tags and filters
Adding a sitemap to the site
Creating feeds for blog posts
Adding full-text search to the blog
Summary
Expanding your project using AI
Additional resources
4
Building a Social Website
Building a Social Website
Functional overview
Creating a social website project
Using the Django authentication framework
User registration and user profiles
Summary
Additional resources
Join us on Discord!
5
Implementing Social Authentication
Implementing Social Authentication
Functional overview
Technical requirements
Using the messages framework
Building a custom authentication backend
Adding social authentication to your site
Summary
Additional resources
6
Sharing Content on Your Website
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Sharing Content on Your Website
Functional overview
Creating an image bookmarking website
Posting content from other websites
Creating a detail view for images
Creating image thumbnails using easy-thumbnails
Adding asynchronous actions with JavaScript
Summary
Additional resources
7
Tracking User Actions
Tracking User Actions
Functional overview
Building a follow system
Creating an activity stream application
Using signals for denormalizing counts
Using Django Debug Toolbar
Counting image views with Redis
Summary
Expanding your project using AI
Additional resources
8
Building an Online Shop
Building an Online Shop
Functional overview
Creating an online shop project
Building a shopping cart
Registering customer orders
Creating asynchronous tasks
Summary
Additional resources
Join us on Discord!
9
Managing Payments and Orders
Managing Payments and Orders
Functional overview
Integrating a payment gateway
Exporting orders to CSV files
Extending the administration site with custom views
Generating PDF invoices dynamically
Summary
Additional resources
10
Extending Your Shop
Extending Your Shop
Functional overview
Creating a coupon system
Building a recommendation engine
Summary
Additional resources
11
Adding Internationalization to Your Shop
Adding Internationalization to Your Shop
Functional overview
Internationalization with Django
Preparing your project for internationalization
Translating Python code
Translating templates
Using the Rosetta translation interface
Fuzzy translations
URL patterns for internationalization
Allowing users to switch language
Translating models with django-parler
Format localization
Using django-localflavor to validate form fields
Expanding your project using AI
Summary
Additional resources
12
Building an E-Learning Platform
Building an E-Learning Platform
Functional overview
Setting up the e-learning project
Serving media files
Building the course models
Creating models for polymorphic content
Adding authentication views
Summary
Additional resources
Join us on Discord!
13
Creating a Content Management System
Creating a Content Management System
Functional overview
Creating a CMS
Managing course modules and their contents
Reordering modules and their contents
Summary
Additional resources
14
Rendering and Caching Content
Rendering and Caching Content
Functional overview
Displaying the catalog of courses
Adding student registration
Rendering course contents
Using the cache framework
Installing Memcached
Django cache settings
Cache levels
Using the Redis cache backend
Summary
Additional resources
15
Building an API
Building an API
Functional overview
Building a RESTful API
Consuming the API
Extending serializers
Adding pagination to views
Building the course serializer
Creating nested serializers
Creating ViewSets and routers
Building custom API views
Handling authentication
Adding permissions to views
Adding additional actions to ViewSets
Creating custom permissions
Serializing course contents
Consuming the RESTful API
Summary
Additional resources
16
Building a Chat Server
Building a Chat Server
Functional overview
Creating a chat application
Real-time Django with Channels
Installing Channels and Daphne
Writing a consumer
Routing
Implementing the WebSocket client
Enabling a channel layer
Modifying the consumer to be fully asynchronous
Persisting messages into the database
Integrating the chat application with existing views
Summary
Additional resources
17
Going Live
Going Live
Creating a production environment
Using Docker Compose
Serving Django through WSGI and NGINX
Securing your site with SSL/TLS
Configuring Daphne for Django Channels
Creating a custom middleware
Implementing custom management commands
Summary
Expanding your project using AI
Additional resources
Join us on Discord!
18
Other Books You May Enjoy
Other Books You May Enjoy
19
Index
Index

Building a custom authentication backend

Django allows you to authenticate users against different sources. The AUTHENTICATION_BACKENDS setting includes a list of authentication backends available in the project. The default value of this setting is the following:

['django.contrib.auth.backends.ModelBackend']

The default ModelBackend authenticates users against the database using the User model of django.contrib.auth. This is suitable for most web projects. However, you can create custom backends to authenticate your users against other sources, such as a Lightweight Directory Access Protocol (LDAP) directory or any other system.

You can read more information about customizing authentication at https://docs.djangoproject.com/en/5.0/topics/auth/customizing/#other-authentication-sources.

Whenever the authenticate() function of django.contrib.auth is used, Django tries to authenticate the user against each of the backends defined in AUTHENTICATION_BACKENDS one by one, until one...

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