/usr/share/doc/python-eventlet/examples/websocket_chat.py is in python-eventlet 0.13.0-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | import os
import eventlet
from eventlet import wsgi
from eventlet import websocket
PORT = 7000
participants = set()
@websocket.WebSocketWSGI
def handle(ws):
participants.add(ws)
try:
while True:
m = ws.wait()
if m is None:
break
for p in participants:
p.send(m)
finally:
participants.remove(ws)
def dispatch(environ, start_response):
"""Resolves to the web page or the websocket depending on the path."""
if environ['PATH_INFO'] == '/chat':
return handle(environ, start_response)
else:
start_response('200 OK', [('content-type', 'text/html')])
html_path = os.path.join(os.path.dirname(__file__), 'websocket_chat.html')
return [open(html_path).read() % {'port': PORT}]
if __name__ == "__main__":
# run an example app from the command line
listener = eventlet.listen(('127.0.0.1', PORT))
print "\nVisit http://localhost:7000/ in your websocket-capable browser.\n"
wsgi.server(listener, dispatch)
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