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

  • Z时代
  • 2024-01-10
  • 分类：综合

python

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

 1 #coding: utf-8
 2 __author__ = 'zdz8207'
 3 #python2.7 
 4 import redis, json, re, time
 5 import MySQLdb
 6 import MySQLdb.cursors
 7 
 8 HOST = "127.0.0.1"
 9 USER = "db username"
10 PASSWD = "your password"
11 DB = "your db name"
12 REDIS_DB = redis.Redis(host="127.0.0.1", password="youpassword", port=xxxx)
13 
14 import re
15 import random
16 import datetime
17 import traceback
18 
19 #update 的直接传sql语句进来
20 def search_by_mysql(sql):
21     data = []
22     try:
23         conn = None
24         #conn = MySQLdb.connect(host=HOST, user=USER, passwd=PASSWD, db=DB) #默认返回元组类型
25         #cursorclass=MySQLdb.cursors.DictCursor 以key:value字典方式返回
26         conn = MySQLdb.connect(host=HOST, user=USER, passwd=PASSWD, db=DB, cursorclass=MySQLdb.cursors.DictCursor)
27         cur = conn.cursor()
28         cur.execute(sql)
29         data = cur.fetchall()
30         cur.close()
31         conn.commit()
32         conn.close()
33     except MySQLdb.Error, e:
34         print "Mysql Error %d: %s" % (e.args[0], e.args[1])
35     return data
36 
37 def updateData():
38     print("========== start updateData ===========")
39     # get reddis issues
40     issues = REDIS_DB.hkeys(lottery_type)
41     issues.sort()
42     issue = issues[-1]
43     try:
44         datas = search_by_mysql("SELECT s.id, s.issue,a.numbers FROM search_history AS s JOIN assembly_ssq AS a "\
45                             "WHERE s.lottery_type='ssq' AND s.assembly_id=a.id AND s.iscalculate=0 AND s.issue <= %s LIMIT 100" %(issue))
46         #print(datas)
47     except:
48         traceback.print_exc()
49         return
50     if len(datas) == 0:
51         print("========== end update data="+ str(len(datas)))
52         return
53     for data in datas:
54         numbers = data["numbers"]
55         id = data["id"]
56         issue = data["issue"]
57         cur_issue = REDIS_DB.hget(lottery_type, issue)
58         issue_data = json.loads(cur_issue)
59         result = issue_data['result']
60         ismach = 0
61         if numbers == result:
62             ismach = 1
63         try:
64             update_sql = "update search_history set ismach=%s, where id=%s " %(ismach,id)
65             search_by_mysql(update_sql)
66         except:
67             traceback.print_exc()
68     print("========== end update data="+ str(len(datas)))
69 
70 if __name__ == "__main__":
71     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

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