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