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gevent-websocket

gevent-websocket is a websocket library for the gevent networking library written written and maintained by Jeffrey Gelens It is licensed under the BSD license.

Installation

Install Python 2.4 or newer and gevent and its dependencies. The latest release can be download from PyPi or by cloning the repository.

Usage

Native Gevent

At the moment gevent-websocket has one handler based on the Pywsgi gevent server. Set the handler_class when creating a pywsgi server instance to make use of the Websocket functionality:

from gevent import pywsgi
from geventwebsocket.handler import WebSocketHandler

server = pywsgi.WSGIServer(('127.0.0.1', 8000), websocket_app,
    handler_class=WebSocketHandler)
server.serve_forever()

Afterwards write a WSGI application with a 3rd parameter, namely a websocket instance:

def websocket_app(environ, start_response):
    if environ["PATH_INFO"] == '/echo':
        ws = environ["wsgi.websocket"]
        message = ws.wait()
        ws.send(message)

Gunicorn

Using Gunicorn it is even more easy to start a server. Only the websocket_app from the previous example is required to start the server. Start Gunicorn using the following command and worker class:

gunicorn -k "geventwebsocket.gunicorn.workers.GeventWebSocketWorker" gunicorn_websocket:websocket_app

Recent activity

Denis Bilenko

Commits by Denis Bilenko were pushed to denis/gevent-websocket

2f2d631 - fix close(): previously it might have caused receive() to hang - also make send_frame() raise WebSocketError if the connection was already closed
Denis Bilenko

Commits by Denis Bilenko were pushed to denis/gevent-websocket

f3b4410 - use BufferedReader on python 2.7; support closing websocket while reading from it; - BufferedReader is used because unlike fileobject it reads data from socket in ...
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