我想使用 python 连接到一个绑定到流星应用程序的 mongo 实例，该流星应用程序托管在meteor.com。我已经通过meteor mongo -U <appname>命令获得了我的应用程序的 URL，并且我能够连接。但是，当我连接并尝试做一些简单的事情（枚举“幻灯片”集合中的文档）时，我收到一个错误：
In [1]: import pymongo
In [2]: con = pymongo.Connection("mongodb://client:f066d336-f5bd-1a85-1039-c679fbb645a1@skybreak.member0.mongolayer.com:27017/slides_meteor_com").meteor
In [3]: con.slides.find()
Out[3]: <pymongo.cursor.Cursor at 0x109873690>
In [4]: [ x for x in con.slides.find() ]
---------------------------------------------------------------------------
OperationFailure Traceback (most recent call last)
/Users/bensonk/Code/lfnw-elite-talk/<ipython-input-4-2112945d50ca> in <module>()
----> 1 [ x for x in con.slides.find() ]
/Library/Python/2.7/site-packages/pymongo/cursor.pyc in next(self)
701 raise StopIteration
702 db = self.__collection.database
--> 703 if len(self.__data) or self._refresh():
704 if self.__manipulate:
705 return db._fix_outgoing(self.__data.pop(0), self.__collection)
/Library/Python/2.7/site-packages/pymongo/cursor.pyc in _refresh(self)
664 self.__skip, ntoreturn,
665 self.__query_spec(), self.__fields,
--> 666 self.__uuid_subtype))
667 if not self.__id:
668 self.__killed = True
/Library/Python/2.7/site-packages/pymongo/cursor.pyc in __send_message(self, message)
626 response = helpers._unpack_response(response, self.__id,
627 self.__as_class,
--> 628 self.__tz_aware)
629 except AutoReconnect:
630 db.connection.disconnect()
/Library/Python/2.7/site-packages/pymongo/helpers.pyc in _unpack_response(response, cursor_id, as_class, tz_aware)
99 raise AutoReconnect("master has changed")
100 raise OperationFailure("database error: %s" %
--> 101 error_object["$err"])
102
103 result = {}
OperationFailure: database error: unauthorized db:meteor lock type:-1 client:173.160.192.81
据我所知，这是 mongo 建议我无权读取该集合。我可以通过 mongo 控制台读取它meteor mongo <projectname，但不能从 python 读取。如何在 python 中读取它？