Book Image

Django 2 by Example

By : Antonio Melé

Book Image

Django 2 by Example

By: Antonio Melé

Overview of this book

If you want to learn the entire process of developing professional web applications with Django 2, then this book is for you. You will walk through the creation of four professional Django 2 projects, teaching you how to solve common problems and implement best practices. You will learn how to build a blog application, a social image bookmarking website, an online shop and an e-learning platform. The book will teach you how to enhance your applications with AJAX, create RESTful APIs and set up a production environment for your Django 2 projects. The book walks you through the creation of real-world applications, solving common problems, and implementing best practices. By the end of this book, you will have a deep understanding of Django 2 and how to build advanced web applications.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

Building a Blog Application

Building a Blog Application

Installing Django

Creating your first project

Designing the blog data schema

Creating an administration site for your models

Working with QuerySet and managers

Building list and detail views

Creating templates for your views

Adding pagination

Using class-based views

Enhancing Your Blog with Advanced Features

Enhancing Your Blog with Advanced Features

Sharing posts by email

Creating a comment system

Adding the tagging functionality

Retrieving posts by similarity

Extending Your Blog Application

Extending Your Blog Application

Creating custom template tags and filters

Adding a sitemap to your site

Creating feeds for your blog posts

Adding full-text search to your blog

Building a Social Website

Building a Social Website

Creating a social website project

Using the Django authentication framework

User registration and user profiles

Building a custom authentication backend

Adding social authentication to your site

Sharing Content in Your Website

Sharing Content in Your Website

Creating an image bookmarking website

Posting content from other websites

Creating a detail view for images

Creating image thumbnails using sorl-thumbnail

Adding AJAX actions with jQuery

Creating custom decorators for your views

Adding AJAX pagination to your list views

Tracking User Actions

Tracking User Actions

Building a follower system

Building a generic activity stream application

Using signals for denormalizing counts

Using Redis for storing item views

Building an Online Shop

Building an Online Shop

Creating an online shop project

Building a shopping cart

Registering customer orders

Launching asynchronous tasks with Celery

Managing Payments and Orders

Managing Payments and Orders

Integrating a payment gateway

Exporting orders to CSV files

Extending the admin site with custom views

Generating PDF invoices dynamically

Extending Your Shop

Extending Your Shop

Creating a coupon system

Adding internationalization and localization

Building a recommendation engine

Building an E-Learning Platform

Building an E-Learning Platform

Setting up the e-learning project

Building the course models

Creating models for diverse content

Managing course modules and content

Rendering and Caching Content

Rendering and Caching Content

Displaying courses

Adding student registration

Accessing the course contents

Using the cache framework

Building an API

Building an API

Building a RESTful API

Going Live

Creating a production environment

Creating a custom middleware

Implementing custom management commands

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Generating PDF invoices dynamically

Now that we have a complete checkout and payment system, we can generate a PDF invoice for each order. There are several Python libraries to generate PDF files. One popular library to generate PDFs with Python code is Reportlab. You can find information about how to output PDF files with Reportlab at https://docs.djangoproject.com/en/2.0/howto/outputting-pdf/.

In most cases, you will have to add custom styles and formatting to your PDF files. You will find it more convenient to render an HTML template and convert it into a PDF file, keeping Python away from the presentation layer. We are going to follow this approach and use a module to generate PDF files with Django. We will use WeasyPrint, which is a Python library that can generate PDF files from HTML templates.

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