if you desire to run on google app engine you can use the channel API: https://developers.google.com/appengine/docs/python/channel/overview. heck you might be able to import the JS side of it into your views and use it not on the app engine, though i have not tried it.
i am starting to use it (not for chat but for other real-time messaging) and it seems to be working pretty well in test. On Wednesday, May 2, 2012 3:48:41 PM UTC-7, mrtn wrote: > > > So I've done some research on developing a chat app with web2py. First, I > took a look of: > http://code.google.com/p/web2py/source/browse/gluon/contrib/comet_messaging.py, > > and then a related tutorial using it: http://vimeo.com/38972256 (not in > english, so I might have missed a thing or two). What I can conclude from > them is that we can make a chat application *using websockets*. However, > since websockets is not supported by all the browsers except for Chrome (at > least not by default for latest versions of other major browsers, and > certainly not by their older versions), this solution has limited practical > use. > > Thanks to questions previously asked in the group, I found this: > http://greg.thehellings.com/2011/05/web2py-websockets-and-socket-io-part-iii-socket-io/, > > which attempts to use Tornadio (https://github.com/MrJoes/tornadio) with > Socket.io to circumvent the problem above, so that if websockets is not > available some other fall-back option is used instead. However, this method > stops working for new versions (0.7+) of Socket.io, even with the newer > Tornadio2 (https://github.com/MrJoes/tornadio2). In fact, the author of > the original blog post above eventually decided to abandon Socket.io > approach altogether after an effort to make things work: > https://github.com/mrjoes/tornadio2/issues/17. > > So, does this mean that we are running out options for implementing a > practical chat application (which is probably one of the most typical > example applications made with different web frameworks these days) using > web2py? Apart from these websockets and its remedy Socket.io, is there any > other protocol/library we can use with web2py to make this happens? Would > love to hear your suggestions! >
