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Tornado (web server)
Python web server and application framework From Wikipedia, the free encyclopedia
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Tornado is a scalable, non-blocking web server and web application framework written in Python.[2] It was developed for use by FriendFeed; the company was acquired by Facebook in 2009 and Tornado was open-sourced soon after.[3]
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Performance
Tornado is noted for its high performance. Its design enables handling a large number of concurrent connections (i.e., tries to solve the "C10k problem").
Modules
- An asynchronous MongoDB driver called Motor.
- CouchDB drivers called corduroy and trombi.
- Asynchronous driver for PostgreSQL wrapping psycopg called Momoko
Example
The following code shows a simple web application that displays "Hello World!" when visited:[4]
import asyncio
import tornado.web
class MainHandler(tornado.web.RequestHandler):
def get(self):
self.write("Hello, world")
def make_app():
return tornado.web.Application([(r"/", MainHandler),])
async def main():
app = make_app()
app.listen(8888)
await asyncio.Event().wait()
if __name__ == "__main__":
asyncio.run(main())
See also
References
External links
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