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

Authenticating data in templates


The currently logged-in user and their permissions are made available in the template context when you use RequestContext.

Users

When rendering a template RequestContext, the currently logged-in user, either a User instance or an AnonymousUser instance, is stored in the template variable

{{ user }}:

{% if user.is_authenticated %} 
    <p>Welcome, {{ user.username }}. Thanks for logging in.</p> 
{% else %} 
    <p>Welcome, new user. Please log in.</p> 
{% endif %} 

This template context variable is not available if a RequestContext is not being used.

Permissions

The currently logged-in user's permissions are stored in the template variable

{{ perms }}. This is an instance of Django.contrib.auth.context_processors.PermWrapper, which is a template-friendly proxy of permissions. In the {{ perms }} object, single-attribute lookup is a proxy to User.has_module_perms. This example would display True if the logged-in...