def __init__(self, name, host='127.0.0.1', port=27017):
        self.name = name
        self.host = host
        self.port = port
def unbound_on_Server(host, port,
                              use_ssl,
                              connect_timeout, *a, **kwargs):
            return self._on_Server(host, port,
                              use_ssl,
                              connect_timeout, *a, **kwargs)