__init__.py 文件源码

def __init__(self, *args, **kwargs):
        """Create a new connection to a single MongoDB instance at *host:port*.

        MotorClient takes the same constructor arguments as
        :class:`~pymongo.mongo_client.MongoClient`, as well as:

        :Parameters:
          - `io_loop` (optional): Special :class:`tornado.ioloop.IOLoop`
            instance to use instead of default
        """
        if 'io_loop' in kwargs:
            io_loop = kwargs.pop('io_loop')
        else:
            io_loop = ioloop.IOLoop.current()

        event_class = functools.partial(util.MotorGreenletEvent, io_loop)
        kwargs['_event_class'] = event_class
        super(MotorClient, self).__init__(io_loop, *args, **kwargs)