Tornado is an Open Source Web Server for Python really interesting. It powers the FriendFeed and it is listed in the Facebook Open Source Technology page for Infrastructure.

I tried quickly on my Ubuntu 10.10 Laptop and it is really simple to install and test.

Just open a terminal and type:

• sudo apt-get install python-pycurl
• sudo apt-get install pip
• sudo pip install tornado
• vi hello.py and write an hello world web application like this

import tornado.ioloop
import tornado.web

class MainHandler(tornado.web.RequestHandler):
  def get(self):
  self.write("Hello, world")

  application = tornado.web.Application([
    (r"/", MainHandler),
  ])

if __name__ == "__main__":
  application.listen(8888)

• python hello.py
• open the browser and go to http://localhost:8888

Thats it!