. . . . . . . . . . . . . . . . . . . . 3 1.9 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.10 Internationalization and localization . . . . . . . . . . . . . . . . . . . . . 3 1.11 Performance and optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.12 Python compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.5 Writing your first Django app, part 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 2.6 Writing your first Django

Customize the admin look and feel Customize the admin index page Writing your first Django app, part 3 Philosophy Write your first view Writing more views Write views that actually do something Raising Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing values Supporting Python 2 and 3 Supporting multiple Django versions Upgrading from South Managing Using Paginator in a view Paginator objects InvalidPage exceptions Page objects Porting to Python 3 Philosophy Porting tips Coding guidelines Security in Django Cross site scripting (XSS) protection

. . . . . . . . . . . . . . . . . . . . . . 3 1.8 The development process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.9 The admin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.10 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.11 Internationalization and localization . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.5 Writing your first Django app, part 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 2.6 Writing your first Django

. . . . . . . . . . . . . . . . . . . . . . 3 1.8 The development process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.9 The admin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.10 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.11 Internationalization and localization . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.5 Writing your first Django app, part 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 2.6 Writing your first Django

. . . . . . . . . . . . . . . . . . . . . . 3 1.8 The development process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.9 The admin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.10 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.11 Internationalization and localization . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.5 Writing your first Django app, part 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 2.6 Writing your first Django

. . . . . . . . . . . . . . . . . . . . . . 3 1.8 The development process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.9 The admin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.10 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.11 Internationalization and localization . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5 Writing your first Django app, part 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 2.6 Writing your first Django

Activating models Playing with the API Introducing the Django Admin Writing your first Django app, part 3 Overview Writing more views Write views that actually do something Raising a 404 error Use the template Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing values Supporting Python 2 and 3 Supporting multiple Django versions Managing files Using files Using Paginator in a view Paginator objects InvalidPage exceptions Page objects Porting to Python 3 Philosophy Porting tips Coding guidelines Security in Django Cross site scripting (XSS) protection

Activating models Playing with the API Introducing the Django Admin Writing your first Django app, part 3 Overview Writing more views Write views that actually do something Raising a 404 error Use the template Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing values Supporting Python 2 and 3 Supporting multiple Django versions Managing files Using files Using Paginator in a view Paginator objects InvalidPage exceptions Page objects Porting to Python 3 Philosophy Porting tips Coding guidelines Security in Django Cross site scripting (XSS) protection

Activating models Playing with the API Introducing the Django Admin Writing your first Django app, part 3 Overview Writing more views Write views that actually do something Raising a 404 error Use the template Migration files Adding migrations to apps Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing values Supporting multiple Django versions Managing files Using different versions of available software Serializing Django objects Serializing data Deserializing data Serialization formats Natural keys Django settings The basics Designating the settings

Activating models Playing with the API Introducing the Django Admin Writing your first Django app, part 3 Overview Writing more views Write views that actually do something Raising a 404 error Use the template Migration files Adding migrations to apps Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing values Supporting multiple Django versions Managing files Using different versions of available software Serializing Django objects Serializing data Deserializing data Serialization formats Natural keys Django settings The basics Designating the settings