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  • Book Overview & Buying Mastering Django: Core
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Mastering Django: Core

Mastering Django: Core

By : Nigel George
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Mastering Django: Core

Mastering Django: Core

By: Nigel George

Overview of this book

Mastering Django: Core is a completely revised and updated version of the original Django Book, written by Adrian Holovaty and Jacob Kaplan-Moss - the creators of Django. The main goal of this book is to make you a Django expert. By reading this book, you’ll learn the skills needed to develop powerful websites quickly, with code that is clean and easy to maintain. This book is also a programmer’s manual that provides complete coverage of the current Long Term Support (LTS) version of Django. For developers creating applications for commercial and business critical deployments, Mastering Django: Core provides a complete, up-to-date resource for Django 1.8LTS with a stable code-base, security fixes and support out to 2018.
Table of Contents (29 chapters)
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1
1. Introduction to Django and Getting Started

Critical settings

SECRET_KEY

The secret key must be a large random value and it must be kept secret.

Make sure that the key used in production isn't used anywhere else and avoid committing it to source control. This reduces the number of vectors from which an attacker may acquire the key. Instead of hardcoding the secret key in your settings module, consider loading it from an environment variable:

import os
SECRET_KEY = os.environ['SECRET_KEY']

or from a file:

with open('/etc/secret_key.txt') as f:
SECRET_KEY = f.read().strip()

DEBUG

You must never enable debug in production.

When we created a project in Chapter 1, Introduction to Django and Getting Started, the command django-admin startproject created a settings.py file with DEBUG set to True. Many internal parts of Django check this setting and change their behavior if DEBUG mode is on.

For example, if DEBUG is set to True, then:

  • All database queries will be saved in memory as the object django.db.connection.queries...
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Tech Concepts
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Programming languages
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Mastering Django: Core
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