Overview Writing more views Write views that actually do something Raising a 404 error Use the template system Removing hardcoded URLs in templates Namespacing URL names Writing your first Django app Django Form classes Working with form templates Further topics Templates Support for template engines The Django template language Class-based views Introduction to class-based views Built-in class-based Installation Usage Django’s cache framework Setting up the cache The per-site cache The per-view cache Template fragment caching The low-level cache API Downstream caches Using Vary headers Controlling cache:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.6 The template layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 4.5 Custom template tags and filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566 Generating CSV | Generating PDF • Middleware: Overview | Built-in middleware classes 1.6 The template layer The template layer provides a designer-friendly syntax for rendering the information to be presented

Overview Writing more views Write views that actually do something Raising a 404 error Use the template system Removing hardcoded URLs in templates Namespacing URL names Writing your first Django app Django Form classes Working with form templates Further topics Templates Support for template engines The Django template language Class-based views Introduction to class-based views Built-in class-based Installation Usage Django’s cache framework Setting up the cache The per-site cache The per-view cache Template fragment caching The low-level cache API Downstream caches Using Vary headers Controlling cache:

Overview Writing more views Write views that actually do something Raising a 404 error Use the template system Removing hardcoded URLs in templates Namespacing URL names Writing your first Django app Django Form classes Working with form templates Further topics Templates Support for template engines The Django template language Class-based views Introduction to class-based views Built-in class-based Installation Usage Django’s cache framework Setting up the cache The per-site cache The per-view cache Template fragment caching The low-level cache API Downstream caches Using Vary headers Controlling cache:

Overview Writing more views Write views that actually do something Raising a 404 error Use the template system Removing hardcoded URLs in templates Namespacing URL names Writing your first Django app Django Form classes Working with form templates Further topics Templates Support for template engines The Django template language Class-based views Introduction to class-based views Built-in class-based Installation Usage Django’s cache framework Setting up the cache The per-site cache The per-view cache Template fragment caching The low-level cache API Downstream caches Using Vary headers Controlling cache:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.6 The template layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557 4.5 Custom template tags and filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 562 Generating CSV | Generating PDF • Middleware: Overview | Built-in middleware classes 1.6 The template layer The template layer provides a designer-friendly syntax for rendering the information to be presented

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.6 The template layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 4.5 Custom template tags and filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 Generating CSV | Generating PDF • Middleware: Overview | Built-in middleware classes 1.6 The template layer The template layer provides a designer-friendly syntax for rendering the information to be presented

Overview Writing more views Write views that actually do something Raising a 404 error Use the template system Removing hardcoded URLs in templates Namespacing URL names Writing your first Django app Form classes Working with form templates Further topics Templates The Django template language Support for template engines Class-based views Introduction to class-based views Built-in class-based generic Installation Usage Django’s cache framework Setting up the cache The per-site cache The per-view cache Template fragment caching The low-level cache API Downstream caches Using Vary headers Controlling cache:

7 3 Sandbox 39 4 Native Python Types 45 5 Template Designer Documentation 47 6 Extensions 89 7 Integration 107 8 Switching from other Template Engines 109 9 Tips and Tricks 115 II Additional Information that is designed to be flexible, fast and secure. If you have any exposure to other text-based template languages, such as Smarty or Django, you should feel right at home with Jinja2. It’s both designer introduction to the Python API for Jinja2 templates. The most basic way to create a template and render it is through Template. This how- ever is not the recommended way to work with it if your templates are

Overview Writing more views Write views that actually do something Raising a 404 error Use the template system Removing hardcoded URLs in templates Namespacing URL names Writing your first Django app Form classes Working with form templates Further topics Templates The Django template language Support for template engines Class-based views Introduction to class-based views Built-in class-based generic Installation Usage Django’s cache framework Setting up the cache The per-site cache The per-view cache Template fragment caching The low-level cache API Asynchronous support Downstream caches Using Vary headers