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Comment by curiouskat | Hacker News Reader

What's the best option for using websockets with Python?

WSGI doesn't support it (http://librelist.com/browser//flask/2010/9/1/flask-and-webso...). gevent is an option (http://blog.pythonisito.com/2011/07/gevent-zeromq-websockets...), but would something like Mongrel2 be better (http://mongrel2.org/)?

UPDATE: There's also Juggernaut (http://flask.pocoo.org/snippets/80/), which uses node.js under the hood.

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I have had a lot of success with Tornado ... http://www.tornadoweb.org/documentation/websocket.html

+1 for tornado. And I also use Tornadio, which implements the backend for Socket.io.

https://github.com/MostAwesomeDude/txWS

Twisted gives you the foundation for pretty amazing things to start with, and txWS does a good job of adding WebSockets.

txWS is the best twisted-based framework for websocket: it does not assume that you want to combine it with a web server, and allows you to wrap your existing protocols into websocket

https://github.com/oberstet/Autobahn is another option

AutoBahn is an absolutely top notch implementation of WebSockets for twisted. It's probably one of the most complete and robust implementations on any platform, and their test suite is currently the gold standard against which other implementors test their own implementations.

We've just released a bunch of updates for gevent-websocket: https://bitbucket.org/denis/gevent-websocket

We use it successfully at SiteSupport (http://sitesupport.com)

I wrote the websockets implementation for mongrel2, and just as an FYI, it only supports the more recent websockets standard (they made some incompatible changes around draft version 7). The good news is that the only browser that ever had the old version on by default was chrome (firefox and opera defaulted it off for security reasons), so there aren't too many browsers out in the wild using the old version.

If you're interested in a easy-to-use hosted solution, you could try Pusher ( http://pusher.com ). It would be the fastest way to get up and running and you wouldn't have to worry about the details.

Disclaimer: I work for Pusher.

Check out Pants!

http://pantsweb.org/

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