Python访问MongoDB数据库

#encoding: utf-8
__author__ = 'Administrator'
#import pymongo
from pymongo import MongoClient,GEO2D
import sqlite3
import sys
import psycopg2
import ppygis
import cx_Oracle
import datetime

reload(sys)
#中文错误
sys.setdefaultencoding( "utf-8" )

#mongo
client = MongoClient("192.98.12.245",30007)
db = client['tiledb']
tiles = db['tiles']
poi = db['poi']
#assert isinstance(tiles, object)
print(tiles.find_one())

#拉框查询函数
def doWithinQuery():
    print(poi.find({"loc":{"$within":{"$box":[[75.23,20.32],[152.23,60]]}}}).count())
    for p in poi.find({"loc":{"$within":{"$box":[[75.23,20.32],[152.23,60]]}}}):
        print p['address']

def readSQLite2MongonDB():
  #删除以前记录
   poi.remove()
   sql_txt = sqlite3.connect("c://POI.tdb")
   cusor = sql_txt.cursor()
   cusor.execute("select * from poi")
   row = cusor.fetchone();
   for _row in cusor.fetchall():
     print _row
     _p = {"name":_row[1],"address":_row[2],"loc":[_row[9],_row[10]]}
     poi.insert(_p)
   print("插入完毕...")