Learning Website Development with Django电子书

Learning Website Development with Django

Table of Contents

Learning Website Development with Django

Credits

About the Author

About the Reviewers

Preface

What This Book Covers

Conventions

Reader Feedback

Customer Support

Downloading the Example Code for the Book

Errata

Questions

1. Introduction to Django

The MVC Pattern in Web Development

Why Python?

Why Django?

Tight Integration between Components

Object-Relational Mapper

Clean URL Design

Automatic Administration Interface

Advanced Development Environment

Multi-Lingual Support

History of Django

Summary

2. Getting Started

Installing the Required Software

Installing Python

Installing Python on Windows

Installing Python on UNIX/Linux

Installing Python on Mac OS X

Installing Django

Installing Django on Windows

Installing Django on UNIX/Linux and Mac OS X

Installing a Database System

Creating Your First Project

Creating an Empty Project

Setting up the Database

Launching the Development Server

Summary

3. Building a Social Bookmarking Application

A Word about Django Terminology

URLs and Views: Creating the Main Page

Creating the Main Page View

Creating the Main Page URL

Models: Designing an Initial Database Schema

The Link Data Model

The User Data Model

The Bookmark Data Model

Templates: Creating a Template for the Main Page

Putting It All Together: Generating User Pages

Creating the URL

Writing the View

Designing the Template

Populating the Model with Data

Summary

4. User Registration and Management

Session Authentication

Creating the Login Page

Enabling Logout Functionality

Improving Template Structure

User Registration

Django Forms

Designing the User Registration Form

Account Management

Summary

5. Introducing Tags

The Tag Data Model

Creating the Bookmark Submission Form

Restricting Access to Logged-in Users

Methods for Browsing Bookmarks

Improving the User Page

Creating a Tag Page

Building a Tag Cloud

A Word on Security

SQL Injection

Cross-Site Scripting (XSS)

Summary

6. Enhancing the User Interface with Ajax

Ajax and Its Advantages

Using an Ajax Framework in Django

Downloading and Installing jQuery

The jQuery JavaScript Framework

Element Selectors

jQuery Methods

Hiding and Showing Elements

Accessing CSS Properties and HTML Attributes

Manipulating HTML Documents

Traversing the Document Tree

Handling Events

Sending Ajax Requests

What Next?

Implementing Live Searching of Bookmarks

Implementing Searching

Implementing Live Searching

Editing Bookmarks in Place

Implementing Bookmark Editing

Implementing In-Place Editing of Bookmarks

Auto-Completion of Tags

Summary

7. Voting and Commenting

Sharing Bookmarks on the Main Page

The SharedBookmark Data Model

Modifying the Bookmark Submission Form

Browsing and Voting for Shared Bookmarks

The Popular Bookmarks Page

Commenting on Bookmarks

Enabling the Comments Application

Creating a View for Comments

Displaying Comments and a Comment Form

Creating Comment Templates

Summary

8. Creating an Administration Interface

Activating the Administration Interface

Customizing the Administration Interface

Customizing Listing Pages

Overriding Administration Templates

Users, Groups and Permissions

User Permissions

Group Permissions

Using Permissions in Views

Summary

9. Advanced Browsing and Searching

Adding RSS Feeds

Creating the Recent Bookmarks Feed

Customizing Item Fields

Creating the User Bookmarks Feed

Linking Feeds to HTML Pages

Advanced Searching

Retrieving Objects with the Database API

Advanced Queries with Q Objects

Improving the Search Feature

Organizing Content into Pages (Pagination)

Summary

10. Building User Networks

Building Friend Networks

Creating the Friendship Data Model

Writing Views to Manage Friends

The Friends List View

Creating the "Add Friend" View

Inviting Friends Via Email

The Invitation Data Model

The "Invite a Friend" Form and View

Handling Activation Links

Improving the Interface with Messages

Summary

11. Extending and Deploying

Internationalization (i18n)

Marking Strings as Translatable

Creating Translation Files

Enabling and Configuring the i18n System

Improving Performance with Caching

Enabling Caching

Simple Caching

Database Caching

File System Caching

Memcached

Configuring Caching

Caching the Whole Site

Caching Specific Views

Unit Testing

The Test Client

Testing the Registration View

Testing the "Save Bookmark" View

Deploying Django

The Production Web Server

The Production Database

Turning Off Debug Mode

Changing Configuration Variables

Setting Error Pages

Summary

12. What Next?

Custom Template Tags and Filters

Model Managers and Custom SQL

Generic Views

Contributed Sub-Frameworks

Flatpages

Sites

Markup Filters

Humanize

Sitemaps

Cross-site Request Forgery Protection

Message System

Subscription System

User Scores

Summary

Index