python3.4学习笔记(二十五) Python 调用mysql redis实例代码

python3.4学习笔记(二十五) Python 调用mysql redis实例代码

 #coding: utf-8
 __author__ = 'zdz8207'
 #python2.7
 import redis, json, re, time
 import MySQLdb
 import MySQLdb.cursors

 HOST = "127.0.0.1"
 USER = "db username"
 PASSWD = "your password"
 DB = "your db name"
 REDIS_DB = redis.Redis(host="127.0.0.1", password="youpassword", port=xxxx)

 import re
 import random
 import datetime
 import traceback

 #update 的直接传sql语句进来
 def search_by_mysql(sql):
     data = []
     try:
         conn = None
         #conn = MySQLdb.connect(host=HOST, user=USER, passwd=PASSWD, db=DB) #默认返回元组类型
         #cursorclass=MySQLdb.cursors.DictCursor 以key:value字典方式返回
         conn = MySQLdb.connect(host=HOST, user=USER, passwd=PASSWD, db=DB, cursorclass=MySQLdb.cursors.DictCursor)
         cur = conn.cursor()
         cur.execute(sql)
         data = cur.fetchall()
         cur.close()
         conn.commit()
         conn.close()
     except MySQLdb.Error, e:
         print "Mysql Error %d: %s" % (e.args[0], e.args[1])
     return data

 def updateData():
     print("========== start updateData ===========")
     # get reddis issues
     issues = REDIS_DB.hkeys(lottery_type)
     issues.sort()
     issue = issues[-1]
     try:
         datas = search_by_mysql("SELECT s.id, s.issue,a.numbers FROM search_history AS s JOIN assembly_ssq AS a "\
                             "WHERE s.lottery_type='ssq' AND s.assembly_id=a.id AND s.iscalculate=0 AND s.issue <= %s LIMIT 100" %(issue))
         #print(datas)
     except:
         traceback.print_exc()
         return
     if len(datas) == 0:
         print("========== end update data="+ str(len(datas)))
         return
     for data in datas:
         numbers = data["numbers"]
         id = data["id"]
         issue = data["issue"]
         cur_issue = REDIS_DB.hget(lottery_type, issue)
         issue_data = json.loads(cur_issue)
         result = issue_data['result']
         ismach = 0
         if numbers == result:
             ismach = 1
         try:
             update_sql = "update search_history set ismach=%s, where id=%s " %(ismach,id)
             search_by_mysql(update_sql)
         except:
             traceback.print_exc()
     print("========== end update data="+ str(len(datas)))

 if __name__ == "__main__":
     updateData()

扩展阅读：

python3.4学习笔记(二十四) Python pycharm window安装redis MySQL-python相关方法 - 流风，飘然的风 - 博客园
http://www.cnblogs.com/zdz8207/p/python_learn_note_24.html