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pyramid_sockjs

pyramid_sockjs is a gevent-based SockJS integration for Pyramid. SockJS interface is implemented as a pyramid route. pyramid_sockjs runs inside a WSGI application rather than WSGI server. This means all of your previous WSGI/Pyramid experience will be relevant. Its possible to create any number of different sockjs routes, ie /__sockjs__/* or /mycustom-sockjs/*. You can provide different session implementation and management for each sockjs route.

Gevent based server is required for pyramid_sockjs. For example gunicorn with gevent worker. pyramid_sockjs provides simple gevent based paster server runner:

[server:main]
use = egg:pyramid_sockjs#server
host = 0.0.0.0
port = 8080

Example of sockjs route:

def main(global_settings, **settings):
    config = Configurator(settings=settings)
    config.add_sockjs_route(prefix='/__sockjs__')

    return config.make_wsgi_app()

Client side code:

<script src="http://cdn.sockjs.org/sockjs-0.3.4.min.js"></script>
<script>
    var sock = new SockJS('http://localhost:8080/__sockjs__');

    sock.onopen = function() {
      console.log('open');
    };

    sock.onmessage = function(obj) {
      console.log(obj);
    };

    sock.onclose = function() {
      console.log('close');
    };
</script>
https://secure.travis-ci.org/fafhrd91/pyramid_sockjs.png

Installation

  1. Install virtualenv:

    $ wget https://raw.github.com/pypa/virtualenv/master/virtualenv.py
    $ python2.7 ./virtualenv.py --no-site-packages sockjs
    
  2. Install gevent 1.0rc2 (non-Windows):

    $ ./sockjs/bin/pip install https://github.com/surfly/gevent/archive/1.0rc2.tar.gz
    
  1. Install gevent 1.0rc2 (Windows, 32bit Python 2.7):

    $ ./sockjs/Scripts/easy_install https://github.com/downloads/SiteSupport/gevent/gevent-1.0rc2.win32-py2.7.exe
    
  2. Clone pyramid_sockjs from github and then install:

    $ git clone https://github.com/fafhrd91/pyramid_sockjs.git
    $ cd pyramid_sockjs
    $ ../sockjs/bin/python setup.py develop
    

To run chat example use following command:

$ ./sockjs/bin/python ./pyramid_sockjs/examples/chat.py

Supported transports

Limitations

  • Pyramid sockjs does not support multple websocket session with same session id.
  • gevent does not support Python 3
  • Pyramid sockjs can't detect client disconnection on heroku.

Requirements

Examples

You can find several examples in the pyramid_sockjs repository at github.

https://github.com/fafhrd91/pyramid_sockjs/tree/master/examples

License

pyramid_sockjs is offered under the MIT license.

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