def bridge_create(self, channel):
     uuid = uuidutils.generate_uuid()
     self._bridges[channel] = uuid
     func = functools.partial(
         self._bridge_create_callback, channel=channel)
     self.client.bridges.create(
         uuid=uuid, type='mixing',
         callback=func)
def generate_request_id():
    return 'req-%s' % uuidutils.generate_uuid()