发布于 2015-03-25 11:57:53 | 465 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的Python3 官方中文指南,程序狗速度看过来!
Python编程语言
Python 是一种面向对象、解释型计算机程序设计语言,由Guido van Rossum于1989年底发明,第一个公开发行版发行于1991年。Python语法简洁而清晰,具有丰富和强大的类库。它常被昵称为胶水语言,它能够把用其他语言制作的各种模块(尤其是C/C++)很轻松地联结在一起。
本文实例讲述了python读取json文件并将数据插入到mongodb的方法。分享给大家供大家参考。具体实现方法如下:
#coding=utf-8
import sunburnt
import urllib
from pymongo import Connection
from bson.objectid import ObjectId
import logging
from datetime import datetime
import json
from time import mktime
from feedparser import _parse_date as parse_date
import time
import sys
import getopt
import ConfigParser
args = sys.argv[1:]
optlist, args = getopt.getopt(args, 'c:')
cmd_opt = {}
for opt in optlist:
cmd_opt[opt[0]] = opt[1]
conf_file = cmd_opt['-c']
config = ConfigParser.ConfigParser()
config.read(conf_file)
hostname = config.get("mongodb", "hostname")
port_num = int(config.get("mongodb", "port_num"))
db_name = config.get("mongodb", "db")
connection = Connection(hostname, port_num)
db = connection[db_name]
courseTable = db.course
lecTable = db.lecture
try:
f = file("json1-14/14.json")
s = json.load(f)
courseData = s["results"]["course"]
lecDataArr = s["results"]["lecture"]
f.close
print "get file content successfully!"
#insert course
courseId = courseTable.save(courseData)
courseId = str(courseId)
print "courseId: "+courseId
print "lec length: "+str(len(lecDataArr))
#insert lecture
lecIdArr = []
for lecData in lecDataArr:
lecData["course_id"] = courseId
lecId = lecTable.save(lecData)
lecIdArr.append(str(lecId))
# update course
courseTable.update({'_id':ObjectId(courseId)},
{"$set":{"lectures.lecture_id_list":lecIdArr}},
upsert=True, multi=True);
print 'insert successfully!'
except Exception, e:
print e