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    <p>Sorry but django handles async requests very very poorly as it is wsgi. You'll be limited by your number of parallel instance if you have to handle real users. The best solution is to use tornado or node.js.</p> <p>Tornado handles websocket and long polling brilliantly. Here is my wrapper to allow getting user and sessions from a parallel tornado thread:</p> <p><a href="https://gist.github.com/1939836" rel="nofollow">https://gist.github.com/1939836</a></p> <p>It's adapted from a more complex source, I didn't tested this gist, it's long polling but tornado handlse WebSocket as well.</p> <p><a href="http://www.tornadoweb.org/documentation/websocket.html" rel="nofollow">http://www.tornadoweb.org/documentation/websocket.html</a></p> <p><strong>update:</strong></p> <p>Avoid django-websocket for production use. Even the main developer recommends against it.</p> <p>I recommend Tornado because it's an awesome technology which is damningly faster/lighter than django. It may be useful for some simple cases. You'll need to configure apache/nginx anyway so, at least get "faster web pages" feature available.</p> <p>Django-Desktop-Notification focuses on chrome browser and require node.js.</p> <p><strong>update (01/2016):</strong></p> <p>Mozilla gave money to django in late 2015 to solve this particular issue, the current most promizing implementation made by a django core dev is this one:</p> <p><a href="https://github.com/andrewgodwin/channels" rel="nofollow">https://github.com/andrewgodwin/channels</a></p> <p>It will probably be part of django 1.11 or 2.0</p>
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    1. POWebSocket + Django python WebService
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    1. COthx for your answer. I have to avoid at any cost **polling**. Client must not ask Server for new updates. I will updated my first post with a list of "possible existing implementations" but i am not sure which one of them could be used for my case.
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    2. COlong polling is true RealTime, you just send answer when needed. But you have all you need to make communication between tornado async server and django. Avoid DB access from tornado if you use django orm, it's made of blocking calls.
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    3. COI have just read the rfc to long polling, but i will have to go with WebSockets. Need one of the many implementations, which is capeable of working with django
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