[Python] Websocket secured server in Python using SimpleWebSocketServer module

I'm trying to implement a websocket secure server in Python (based on this module)
In the link, it says that the module supports TLS and SSL connections, but doesn't explain how.

The code I currently have goes like that:

from SimpleWebSocketServer import SimpleWebSocketServer, WebSocket
import ssl

class SimpleResponder(WebSocket):

def handleMessage(self):
self.sendMessage(self.data)

def handleConnected(self):
print self.address, 'connected'

def handleClose(self):
print self.address, 'closed'

server = SimpleWebSocketServer('', 8000, SimpleResponder)
try:
server.serveforever()
except KeyboardInterrupt:
pass
print "Server ended"


I tried to implement SSL wrapping in the same way I would do with a HTTP server (like that):

server.socket = ssl.wrap_socket (server.socket, certfile='path/to/localhost.pem', server_side=True)


But seems like it doesn't work (I get the next error):

AttributeError: 'SimpleWebSocketServer' object has no attribute 'socket'


So clearly the SimpleWebSocketServer class isn't structured like the SimpleHTTPServer class.

So how can I implement a secure websocket server?

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