websocket handling for Brubeck

ws.py

# I am using http://isr.nu/ws/WebSocketTest.htm to help debug my websocket connection
#  and I send websocket requests to  ws://127.0.0.1:6767/websockets

######## IMPORTANT:                  
########  Add the websocket method to the MessageHandler class
## inside brubeck.request_handling- add 'websocket' method:
# HTTP_METHODS = ['get', 'post', 'put', 'delete',
#                 'head', 'options', 'trace', 'connect', 'websocket']



import sys
import logging
import os
from brubeck.request_handling import Brubeck, WebMessageHandler
import base64, sha
from ws4py.framing import Frame


class WebsocketHandler(WebMessageHandler):
    # define websocket method
    def websocket(self):
        logging.info('headers: %s' % self.message.headers)
        ws_frame = Frame(opcode=0x1, body='Hello websockets!', masking_key=os.urandom(4), fin=1)
        frame = ws_frame.build()
        return frame

config = {
    'mongrel2_pair': ('ipc://127.0.0.1:9999', 'ipc://127.0.0.1:9998'),
    'handler_tuples': [(r'^/websockets', WebsocketHandler)],
}
app = Brubeck(**config)
app.run()