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Real time communication for pyramid using WebSockets

Project description


Stargate is a package for adding WebSockets_ support to
pyramid applications using the excellent eventlet library for long running

What is a WebSocket?

From wikipedia::

WebSockets is a technology providing for bi-directional, full-duplex
communications channels, over a single TCP socket

The WebSocket protocol provides a persistent low latency, low complexity way to
achieve two way communication from the browser to server.

From a client point of view using websocket is very simple::

var ws = new WebSocket('ws://somehost/some/url');
ws.onopen = function(msg){
//do some cool setup
ws.onmessage = function(msg){
//do something cool
ws.onclose = function(msg){
//do some clean up... stay cool

// later:
ws.send('How cool am I?!');

That's pretty much all there is to it.

Normally the websocket communication in a web app is implemented as a stand alone
server (perhaps running on a different port). rpz.websocket allows you to connect
persistent connection directly to the same objects that serve your HTML.


.. note:: Still under construction

Documentation is maintained at


.. [WebSockets]
.. [spec]



- Add support for the HyBi version of WebSockets (specifically version-10). This version was released to solve some previous security concerns and
will be the version in Firefox 7/8 and Chrome 14 onwards accoring to Wikipedia.
- Introduces a dependency on ws4py

- See


- Fix bug in
- Improve documentation and consistency with pyramid naming


- Support for version 76 of the websocket handshake


- Initial release, ported from rpz.websocket and repoze.bfg to pyramid

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