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Django Design Patterns and Best Practices

By : Arun Ravindran
Book Image

Django Design Patterns and Best Practices

By: Arun Ravindran

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Django Design Patterns and Best Practices
Arun Ravindran
Mar, 2015 | 222 pages
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Table of Contents (19 chapters)
Django Design Patterns and Best Practices
Django Design Patterns and Best Practices
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Django and Patterns
Django and Patterns
Why Django?
The story of Django
What is a Pattern?
Patterns in this book
Best practices
Summary
2
Application Design
Application Design
How to gather requirements
Are you a story teller?
HTML mockups
Designing the application
Before starting the project
SuperBook – your mission, should you choose to accept it
Summary
3
Models
Models
M is bigger than V and C
The model hunt
Structural patterns
Retrieval patterns
Migrations
Summary
4
Views and URLs
Views and URLs
A view from the top
Class-based generic views
View mixins
Decorators
View patterns
Designing URLs
Summary
5
Templates
Templates
Understanding Django's template language features
Organizing templates
Using Bootstrap
Template patterns
Summary
6
Admin Interface
Admin Interface
Using the admin interface
Enhancing models for the admin
Admin interface customizations
Protecting the admin
Summary
7
Forms
Forms
How forms work
Displaying forms
Understanding CSRF
Form processing with Class-based views
Form patterns
Summary
8
Dealing with Legacy Code
Dealing with Legacy Code
Finding the Django version
Where are the files? This is not PHP
Starting with urls.py
Jumping around the code
Understanding the code base
Incremental change or a full rewrite?
Write tests before making any changes
Legacy databases
Summary
9
Testing and Debugging
Testing and Debugging
Why write tests?
Test-driven development
Writing a test case
Mocking
Pattern – test fixtures and factories
Learning more about testing
Debugging
The print function
Logging
The Django Debug Toolbar
The Python debugger pdb
Other debuggers
Debugging Django templates
Summary
10
Security
Security
Cross-site scripting (XSS)
A handy security checklist
Summary
11
Production-ready
Production-ready
Production environment
Hosting
Deployment tools
Monitoring
Performance
Summary
Python 2 versus Python 3
Python 2 versus Python 3
But I still use Python 2.7!
Python 3
Further information
Index
Index

Admin interface customizations

The out-of-box admin interface is quite useful to get started. Unfortunately, most people assume that it is quite hard to change the Django admin and leave it as it is. In fact, the admin is extremely customizable and its appearance can be drastically changed with minimal effort.

Changing the heading

Many users of the admin interface might be stumped by the heading—Django administration. It might be more helpful to change this to something customized such as MySite admin or something cool such as SuperBook Secret Area.

It is quite easy to make this change. Simply add this line to your site's urls.py:

admin.site.site_header = "SuperBook Secret Area"

Changing the base and stylesheets

Almost every admin page is extended from a common base template named admin/base_site.html. This means that with a little knowledge of HTML and CSS, you can make all sorts of customizations to change the look and feel of the admin interface.

Simply create a directory called admin in any...

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