used to customize the behavior of the ap- plication and enable optional features; see Application.settings for the complete list. Subclassing RequestHandler Most of the work of a Tornado web application and reload templates so changes to the underlying files are always visible, use the application settings compiled_template_cache=False or debug=True. Template syntax A Tornado template is just HTML (or alias for Application.reverse_url • All entries from the ui_methods and ui_modules Application settings • Any keyword arguments passed to render or render_string When you are building a real application

concurrent web spider Structure of a Tornado web application Templates and UI Authentication and security Running and deploying Web framework tornado.web — RequestHandler and Application classes tornado handlers Templates and UI Configuring templates Template syntax Security Internationalization UI modules Authentication and security Cookies and signed cookies User authentication Third party authentication used to customize the behavior of the application and enable optional features; see Application.settings for the complete list. Subclassing RequestHandler Most of the work of a Tornado web application