从MongoDB抽取数据导入mysql
2017-11-09 13:56
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# -*- coding: utf-8 -*- from pymongo import MongoClient import io import traceback import sys reload(sys) sys.setdefaultencoding('utf8') import MySQLdb conn=MySQLdb.connect(host='127.0.0.1',port=3306,user='lcc',passwd='chaochaoliu',db='weibo_casc',charset='utf8mb4') cur=conn.cursor() sql='INSERT into cas values (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)' client1 = MongoClient('localhost', 1234) client2 = MongoClient('localhost', 2341) client3 = MongoClient('localhost', 3412) #client4 = MongoClient('localhost', 4123) client5 = MongoClient('localhost', 5123) #client6 = MongoClient('localhost', 6123) db1 = client1.test db2 = client2.test db3 = client3.test #db4 = client4.test db5 = client5.test #db6 = client6.test users=db1.users blogs1 = db1.microblogs blogs2 = db2.microblogs blogs3 = db3.microblogs #blogs4 = db4.microblogs blogs5 = db5.microblogs #blogs6 = db6.microblogs #blogs=[blogs1,blogs2,blogs3,blogs4,blogs5,blogs6] blogs=[blogs1,blogs2,blogs3,blogs5] for data in users.find(): try: userid=data['id'] create_time=data['created_at'] location=data['location'] for b in blogs: param=[] try: for weibo in b.find({"user_id":userid}): try: id=weibo['_id'] text=weibo['text'] time=weibo['created_at'] if weibo.has_key('retweeted_status'): ret="1" re_stat=weibo['retweeted_status'] re_text=re_stat['text'] re_time=re_stat['created_at'] re_user=re_stat['user_id'] else: ret="0" re_text="" re_time="" re_user="" param.append([str(id),str(userid),str(text.encode("utf8")),str(time),str(location.encode("utf8")),str(create_time),str(re_text.encode("utf8")),str(re_time),str(re_user),str(ret)]) except: continue try: cur.executemany(sql,param) conn.commit() except: continue except: continue except: continue cur.close() conn.close() client1.close() client2.close() client3.close() client4.close() client5.close() client6.close() 929a
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