def main():
try:
server = HTTPServer(('', 81), MyHandler)
server.serial = serial.Serial('/dev/ttyUSB0', 9600, timeout=0)
server.serial.open()
print 'started httpserver...'
server.serve_forever()
except KeyboardInterrupt:
print '^C received, shutting down server'
server.serial.close()
server.socket.close()
