Book Image

Becoming an Enterprise Django Developer

By : Michael Dinder
Book Image

Becoming an Enterprise Django Developer

By: Michael Dinder

Overview of this book

Django is a powerful framework but choosing the right add-ons that match the scale and scope of your enterprise projects can be tricky. This book will help you explore the multifarious options available for enterprise Django development. Countless organizations are already using Django and more migrating to it, unleashing the power of Python with many different packages and dependencies, including AI technologies. This practical guide will help you understand practices, blueprints, and design decisions to put Django to work the way you want it to. You’ll learn various ways in which data can be rendered onto a page and discover the power of Django for large-scale production applications. Starting with the basics of getting an enterprise project up and running, you'll get to grips with maintaining the project throughout its lifecycle while learning what the Django application lifecycle is. By the end of this book, you'll have learned how to build and deploy a Django project to the web and implement various components into the site.
Table of Contents (15 chapters)
1
Part 1 – Starting a Project
5
Part 2 – Django Components
10
Part 3 – Advanced Django Components

Using the select_related() method

The select_related() method is used as a performance booster on queries pertaining to all related ForeignKey and OneToOneField relationships. This method is primarily used for obtaining the data of single objects that relate to a parent object. This method will not work on ManyToManyField relationships. On the SQL level, this method generally uses a left outer join to look up related data. To learn more about the select_related() method in its entirety, visit https://docs.djangoproject.com/en/4.0/ref/models/querysets/#select-related.

Here, we will monitor the performance of a page that displays a list of vehicles and the details about each vehicle, including related field data. Use the following subsections to create the required view class, template, and URL pattern to demonstrate this concept in action.

Creating the view

Follow these steps to create your VehicleView class:

  1. In your /chapter_10/views.py file, add the following VehiclesView...