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Tornado
- 1. Real Time Web Server
- 2. Real Time, so what? Tornado – The baby that comes with it 1000s simultaneously active connections
- 3. Open-source (Apache 2.0 License) Nginx Non-blocking web server Epoll (callbacks on the kernel file structure) Push vs Pull (long polling) Real-time web services
- 5. - Code Snippets URL Mapping (get + post) class MainHandler(tornado.web.RequestHandler): def get(self): self.write("You requested the main page") class StoryHandler(tornado.web.RequestHandler): def get(self, story_id): self.write("You requested the story " + story_id) application = tornado.web.Application([ (r"/", MainHandler), (r"/story/([0-9]+)", StoryHandler), ]) Post arguments class MainHandler(tornado.web.RequestHandler): def get(self): self.write('<html><body><form action="/" method="post">' '<input type="text" name="message">' '<input type="submit" value="Submit">' '</form></body></html>') def post(self): self.set_header("Content-Type", "text/plain") self.write("You wrote " + self.get_argument("message")) HTTPRequest
- 6. - Code Snippets HTML Templates <html> <head> <title>{{ title }}</title> </head> <body> <ul> {% for item in items %} <li>{{ escape(item) }}</li> {% end %} </ul> </body> </html> Template Handler class MainHandler(tornado.web.RequestHandler): def get(self): Items = ["Item 1", "Item 2", "Item 3"] self.render("template.html", title="My title", items=items)
- 8. JavaScript
- 9. MySQLBlog Post 1 Widget myModule.py Blog Post 2 Widget Web Page <short python code here…>
- 14. Cristian Andreica 331 CB cristian.andreica@gmail.com : @acristian http://www.slideshare.net/cristianAndreica/tornado Thank YOU!
Notas del editor
- - Facebook Tornado (ce este tornado, structura de ansamblu a modulelor, care sunt beneficiile, cum se utilizeaza)- Rata de adoptie pe web a tehnologiilor (weekend sized-problem)
- Cati au cont pe faceboook?Stie cineva ce e friendfeed?La ce foloseste?Acquisition price, value baby (Tornado)
- - Ce e tornado in esenta?blocking vs non-blocking- Select O(n) , epoll O(1)- Real time web services: search, news, contacts