Book Image

Mastering Django: Core

By : Nigel George
Book Image

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 (33 chapters)
Mastering Django: Core
Credits
About the Author
www.PacktPub.com
Preface
Free Chapter
1
Introduction to Django and Getting Started

Middleware ordering


Table 17.1 provides some hints about the ordering of various Django middleware classes:

Class

Notes

UpdateCacheMiddleware

Before those that modify the Vary header (SessionMiddleware, GZipMiddleware, LocaleMiddleware).

GZipMiddleware

Before any middleware that may change or use the response body.

After UpdateCacheMiddleware: Modifies Vary header.

ConditionalGetMiddleware

Before CommonMiddleware: uses its Etag header when USE_ETAGS = True.

SessionMiddleware

After UpdateCacheMiddleware: Modifies Vary header.

LocaleMiddleware

One of the topmost, after SessionMiddleware (uses session data) and CacheMiddleware (modifies Vary header).

CommonMiddleware

Before any middleware that may change the response (it calculates ETags).

After GZipMiddleware so it won't calculate an ETag header on gzipped contents.

Close to the top: it redirects when APPEND_SLASH or PREPEND_WWW are set to True.

CsrfViewMiddleware

Before any view middleware that assumes that CSRF attacks...