$ pip install pymongo

 #!/usr/bin/env python

 #coding=utf-8

 #Author: Ca0Gu0

 from pymongo import MongoClient

 import datetime,time

 class MongCli(object):

     def __init__(self, host="127.0.0.1", port=27017, user='pytest', passwd ='pytest123', database="pytest"):

         self.host = host

         self.port = port

         self.user = user

         self.passwd = passwd

         self.database = database

         client = MongoClient(self.host, self.port)

         client.the_database.authenticate(self.user, self.passwd, source=self.database)

         self.db=client[self.database]

         self.posts = self.db.posts

     def t(self, args1=None, args2=None):

         c=datetime.datetime.now()

         print "%s|%s... |%s|Row:%s| %s" %(self.host, args1, args2, self.posts.count(), c.strftime("%Y-%m-%d %H:%M:%S"))

         return c

     def write(self,number=100):

         start = self.t(args1="start", args2="write")

         for i in range(number):

             post = {"author": "Mike"+str(i),

                      "text": "My first blog post!"+str(i),

                      "tags": ["mongodb", "python", "pymongo"],

                      "date": datetime.datetime.utcnow()}

             post_id = self.posts.insert_one(post).inserted_id

         end = self.t(args1="end", args2="write")

         print "Total write runtime: %ss" %str((end-start).seconds)

     def read(self):

         start = self.t(args1="start", args2="read")

         output = open("output.txt", 'w')

         for post in self.posts.find():

             try:

                 output.write(str(post)+"\n")

             except Exception,e:

                 print e

         output.close()

         end = self.t(args1="end", args2="read")

         print "Total read runtime: %ss" %str((end-start).seconds)

         print "----------Split--------"

 if __name__ == "__main__":

     f = MongCli(host="127.0.0.1", port=27017, user='admin', passwd ='admin', database="admin")

     f.write(20000)

     f.read()