Introduction to Tornado

Table of Contents

1. Preface
   1. Conventions Used in This Book
   2. Using Code Examples
   3. Safari® Books Online
   4. How to Contact Us
   5. Acknowledgements
2. 1. Introduction
   1. What Is Tornado?
      1. Getting Started with Tornado
      2. Community and Support
   2. Simple Web Services
      1. Hello Tornado
      2. String Service
      3. More About RequestHandlers
      4. Next Steps
3. 2. Forms and Templates
   1. Simple Example: Poem Maker Pro
      1. Rendering Templates
      2. Interpolation
   2. Template Syntax
      1. Interpolating Expressions
      2. Control Flow Statements
      3. Using Functions Inside Templates
   3. Complete Example: The Alpha Munger
      1. How It Works
      2. Serving Static Files
      3. Next Steps with Templates
4. 3. Extending Templates
   1. Blocks and Substitutions
      1. Basics of Blocks
      2. Templates in Practice: Burt’s Books
      3. Autoescaping
   2. UI Modules
      1. Basic Module Usage
      2. Modules in Depth
      3. Embedding JavaScript and CSS
   3. Summing Up
5. 4. Databases
   1. Basic MongoDB Operations with PyMongo
      1. Establishing a Connection
      2. Dealing with Documents
      3. MongoDB Documents and JSON
   2. A Simple Persistent Web Service
      1. A Read-Only Dictionary
      2. Writing the Dictionary
   3. Burt’s Books
      1. Reading Books (From the Database)
      2. Editing and Adding Books
   4. MongoDB: Next Steps
6. 5. Asynchronous Web Services
   1. Asynchronous Web Requests
      1. Starting Synchronous
      2. The Trouble with Blocking
      3. Basic Asynchronous Calls
      4. The asynchronous Decorator and the finish Method
      5. Asynchronous Generators
      6. Summary of Asynchronous Operations
   2. Long Polling with Tornado
      1. The Benefits of Long Polling
      2. Example: Live Inventory Reporting
      3. The Downsides of Long Polling
   3. WebSockets with Tornado
      1. Tornado’s WebSocket Module
      2. Example: Live Inventory with WebSockets
      3. The Future of WebSockets
7. 6. Writing Secure Applications
   1. Cookie Vulnerabilities
      1. Cookie Forgery
      2. Secure Cookies
   2. Request Vulnerabilities
      1. Anatomy of a Cross-Site Request Forgery
      2. Defending Against Request Forgeries
      3. Using Tornado’s XSRF protection
   3. User Authentication
      1. Example: Welcome Back
      2. The authenticated Decorator
   4. Summing Up
8. 7. Authenticating with External Services
   1. The Tornado auth Module
      1. The Authorization Workflow
      2. Asynchronous Requests
   2. Example: Sign in With Twitter
   3. Example: Facebook Authentication and the Graph API
9. 8. Deploying Tornado
   1. Reasons for Running Multiple Tornado Instances
   2. Using Nginx as a Reverse Proxy
      1. Basic Nginx Configuration
      2. SSL Decryption with Nginx
   3. Using Supervisor to Manage Tornado Processes