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Pre-release

This release is a pre-release and may not be stable for production use.

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user.

Hello, world

Here is a simple “Hello, world” example web app for Tornado:

import tornado.ioloop
import tornado.web

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

def make_app():
    return tornado.web.Application([
        (r"/", MainHandler),
    ])

if __name__ == "__main__":
    app = make_app()
    app.listen(8888)
    tornado.ioloop.IOLoop.current().start()

This example does not use any of Tornado’s asynchronous features; for that see this simple chat room.

Documentation

Documentation and links to additional resources are available at http://www.tornadoweb.org

Release files for tornado 4.4b1

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for tornado 4.4b1
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Release files / tornado-4.4b1.tar.gz

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6.5.9

10 release files

6.5.6

10 release files

6.5.5

10 release files

6.5.4

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6.5.3

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6.5.1

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6.5

12 release files

6.4.2

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6.4

11 release files

6.3.3

11 release files

6.3.2

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6.3.1

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6.3

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6.2

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6.1

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6.0.4

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6.0.3

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6.0.2

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6.0.1

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6.0

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5.1.1

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5.1

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5.0.2

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5.0.1

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5.0

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4.5.3

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4.5.2

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4.5.1

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4.5

5 release files

4.4.3

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4.4.2

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4.4.1

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4.4

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This release

4.4b1 This release

1 release file

4.3

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4.2.1

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4.2

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4.1

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4.0.2

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3.2.2

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3.0.2

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2.4.1

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2.1.1

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2.0

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1.2.1

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1.1.1

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1.0

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0.2

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