mongoengine

http://docs.mongodb.org/ecosystem/drivers/python/

http://www.cnblogs.com/holbrook/archive/2012/03/11/2390715.html

http://artori.us/use-mongodb-with-django/

http://my.oschina.net/leaf0s/blog/129964

http://www.linuxzen.com/mongoengineshi-yong-bi-ji.html

Django settings.py可参考添加的参数

　　http://stackoverflow.com/questions/13942686/how-to-run-flask-and-mongoengine-with-a-remote-host

MONGODB_DB
MONGODB_USERNAME
MONGODB_PASSWORD
MONGODB_HOST
MONGODB_PORT