Tornado Demo Apps

This directory contains several example apps that illustrate the usage of various Tornado features. If you're not sure where to start, try the chat, blog, or websocket demos.

Web Applications

• blog: A simple database-backed blogging platform, including HTML templates and authentication.
• chat: A chat room demonstrating live updates via long polling.
• websocket: Similar to chat but with WebSockets instead of long polling.
• helloworld: The simplest possible Tornado web page.

Feature demos

• facebook: Authentication with the Facebook Graph API.
• file_upload: Client and server support for streaming HTTP request payloads.
• tcpecho: Using the lower-level IOStream interfaces for non-HTTP networking.
• webspider: Concurrent usage of AsyncHTTPClient, using queues and semaphores.