blocks|key|5479819|text|你可能想看看websockets，尤其是websocket.io，它允许你在原生websockets不可用的情况下掉下back+to+comet+(彗星不会很快消失)，尽管你的目标是iphone+(应用程序？)你可以选择任何你想要的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5479820|使用websocket.io的一个优点是，它包括后备机制，以防浏览器不支持websockets+(具有flash和/或长轮询)|5479821|djangoland的现状是，独立于传输机制，django和其他主要基于wsgi的框架并不擅长comet/websockets。这并不意味着您不能将comet/websockets与django集成在一起，但您通常会在两者之间添加另一项技术。|5479822|一种常见的实现是使用像redis%2Bpubsub这样的东西和像node.js/socket.io这样的异步服务器组合，或者使用像twisted、orbited、cyclone或evserver这样的python框架。|5479823|看看这些与websockets和django相关的问题：|5479824|5479825|Django/gevent+socket.IO+with+redis+pubsub.+Where+do+I+put+things?|unordered-list-item|5479826|Can+I+use+Socket.IO+with+Django?|5479827|Making+moves+w/+websockets+and+python+/+django+(+/+twisted?+)|5479828|Django+/+Comet+(Push):+Least+of+all+evils?|5479829|5479830|我很快就查到了一些iphone+websockets问题：|5479831|5479832|trying+to+connect+to+node.js+and+socket.io+0.7.2+from+iphone|5479833|iPhone+Objective-C+socket+communication+with+Socket.IO|5479834|5479835|一些可能对django方面有帮助的教程/项目：|5479836|5479837|django-socketio+|5479838|evented-django-part-one-socketio-and-gevent|5479839|pycon-sprints-part-1-the-realtime-web-with-gevent+|5479840|socket.io|5479841|5479842|entityMap|0|LINK|mutability|MUTABLE|url|http://websocket.org/quantum.html|1|https://stackoverflow.com/questions/3436555/html-5-websockets-will-replace-comet|2|https://stackoverflow.com/questions/7678402/django-gevent-socket-io-with-redis-pubsub-where-do-i-put-things|3|https://stackoverflow.com/questions/4190186/can-i-use-socket-io-with-django|4|https://stackoverflow.com/questions/4363899/making-moves-w-websockets-and-python-django-twisted/4369471#4369471|5|https://stackoverflow.com/questions/4310706/django-comet-push-least-of-all-evils|6|https://stackoverflow.com/questions/6535155/trying-to-connect-to-node-js-and-socket-io-0-7-2-from-iphone|7|https://stackoverflow.com/questions/4951461/iphone-objective-c-socket-communication-with-socket-io|8|https://github.com/stephenmcd/django-socketio|9|http://codysoyland.com/2011/feb/6/evented-django-part-one-socketio-and-gevent/|10|http://sontek.net/pycon-sprints-part-1-the-realtime-web-with-gevent|11|http://socket.io/^0|6|A|0|1N|D|1|0|0|0|0|0|0|0|1T|2|0|0|W|3|0|0|1P|4|0|0|16|5|0|0|0|0|0|1O|6|0|0|1I|7|0|0|0|0|0|F|8|0|0|17|9|0|0|1D|A|0|0|9|B|0|0^^$0|@$1|2|3|4|5|6|7|2A|8|@]|9|@$A|2B|B|2C|1|2D]|$A|2E|B|2F|1|2G]]|C|$]]|$1|D|3|E|5|6|7|2H|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|2I|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|2J|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|2K|8|@]|9|@]|C|$]]|$1|L|3|-4|5|6|7|2L|8|@]|9|@]|C|$]]|$1|M|3|N|5|O|7|2M|8|@]|9|@$A|2N|B|2O|1|2P]]|C|$]]|$1|P|3|Q|5|O|7|2Q|8|@]|9|@$A|2R|B|2S|1|2T]]|C|$]]|$1|R|3|S|5|O|7|2U|8|@]|9|@$A|2V|B|2W|1|2X]]|C|$]]|$1|T|3|U|5|O|7|2Y|8|@]|9|@$A|2Z|B|30|1|31]]|C|$]]|$1|V|3|-4|5|6|7|32|8|@]|9|@]|C|$]]|$1|W|3|X|5|6|7|33|8|@]|9|@]|C|$]]|$1|Y|3|-4|5|6|7|34|8|@]|9|@]|C|$]]|$1|Z|3|10|5|O|7|35|8|@]|9|@$A|36|B|37|1|38]]|C|$]]|$1|11|3|12|5|O|7|39|8|@]|9|@$A|3A|B|3B|1|3C]]|C|$]]|$1|13|3|-4|5|6|7|3D|8|@]|9|@]|C|$]]|$1|14|3|15|5|6|7|3E|8|@]|9|@]|C|$]]|$1|16|3|-4|5|6|7|3F|8|@]|9|@]|C|$]]|$1|17|3|18|5|O|7|3G|8|@]|9|@$A|3H|B|3I|1|3J]]|C|$]]|$1|19|3|1A|5|O|7|3K|8|@]|9|@$A|3L|B|3M|1|3N]]|C|$]]|$1|1B|3|1C|5|O|7|3O|8|@]|9|@$A|3P|B|3Q|1|3R]]|C|$]]|$1|1D|3|1E|5|O|7|3S|8|@]|9|@$A|3T|B|3U|1|3V]]|C|$]]|$1|1F|3|-4|5|6|7|3W|8|@]|9|@]|C|$]]|$1|1G|3|-4|5|6|7|3X|8|@]|9|@]|C|$]]]|1H|$1I|$5|1J|1K|1L|C|$1M|1N]]|1O|$5|1J|1K|1L|C|$1M|1P]]|1Q|$5|1J|1K|1L|C|$1M|1R]]|1S|$5|1J|1K|1L|C|$1M|1T]]|1U|$5|1J|1K|1L|C|$1M|1V]]|1W|$5|1J|1K|1L|C|$1M|1X]]|1Y|$5|1J|1K|1L|C|$1M|1Z]]|20|$5|1J|1K|1L|C|$1M|21]]|22|$5|1J|1K|1L|C|$1M|23]]|24|$5|1J|1K|1L|C|$1M|25]]|26|$5|1J|1K|1L|C|$1M|27]]|28|$5|1J|1K|1L|C|$1M|29]]]]

You might want to take a look at <a href="http://websocket.org/quantum.html" rel="nofollow noreferrer">websockets</a>, and especially at websocket.io, that allows you to fall <a href="https://stackoverflow.com/questions/3436555/html-5-websockets-will-replace-comet">back to comet</a> (comet isn't going to disappear anytime soon) when native websockets are not available, although as you are targeting the iphone (app?) you can choose whatever you want.

One advantage of using websocket.io is that it includes fallback mechanisms in case a browser does not support websockets (with flash and/or longpolling)

The current state of afairs in djangoland is, independently of the transport mechanism, that django and other mainly wsgi based frameworks aren't good at comet/websockets. That doesn't mean you can't integrate comet/websockets with django, but you normally place another piece of technology in between.

A common implementation is to use something like redis+pubsub and a async server combination like node.js/socket.io or a python framework like twisted, orbited, cyclone, or evserver.

Take a look at these questions that have to do with websockets and django: 

<ul>
<li><a href="https://stackoverflow.com/questions/7678402/django-gevent-socket-io-with-redis-pubsub-where-do-i-put-things">Django/gevent socket.IO with redis pubsub. Where do I put things?</a></li>
<li><a href="https://stackoverflow.com/questions/4190186/can-i-use-socket-io-with-django">Can I use Socket.IO with Django?</a></li>
<li><a href="https://stackoverflow.com/questions/4363899/making-moves-w-websockets-and-python-django-twisted/4369471#4369471">Making moves w/ websockets and python / django ( / twisted? )</a></li>
<li><a href="https://stackoverflow.com/questions/4310706/django-comet-push-least-of-all-evils">Django / Comet (Push): Least of all evils?</a></li>
</ul>

some iphone websockets questions I quickly looked up:

<ul>
<li><a href="https://stackoverflow.com/questions/6535155/trying-to-connect-to-node-js-and-socket-io-0-7-2-from-iphone">trying to connect to node.js and socket.io 0.7.2 from iphone</a></li>
<li><a href="https://stackoverflow.com/questions/4951461/iphone-objective-c-socket-communication-with-socket-io">iPhone Objective-C socket communication with Socket.IO</a></li>
</ul>

some tutorials/projects that might help with the django side:

<ul>
<li><a href="https://github.com/stephenmcd/django-socketio" rel="nofollow noreferrer">django-socketio</a> </li>
<li><a href="http://codysoyland.com/2011/feb/6/evented-django-part-one-socketio-and-gevent/" rel="nofollow noreferrer">evented-django-part-one-socketio-and-gevent</a></li>
<li><a href="http://sontek.net/pycon-sprints-part-1-the-realtime-web-with-gevent" rel="nofollow noreferrer">pycon-sprints-part-1-the-realtime-web-with-gevent</a> </li>
<li><a href="http://socket.io/" rel="nofollow noreferrer">socket.io</a></li>
</ul>

I'm new to IPhone programming, and also to Django, and trying to send data from django to IPhone right after it was updated by another user.

I suppose comet is the name for it.
Over the internet it's impossible to find a good step-by-step explanation.
can you recommend of provide a good and easy tutorial?

thanks

iphone - django : comet

翻译质量差，导致语言生硬或混乱。

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解答不清晰，无法理解或解决问题。

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我是IPhone编程的新手，也是Django的新手，在其他用户更新数据后，我会尝试从django向IPhone发送数据。我想彗星就是它的名字。在互联网上，你不可能找到一个好的一步一步的解释。你能推荐一个好的简单的教程吗？谢谢

问iphone - django : comet
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