Python mysqldb模块

#!/usr/bin/env python2.7
#-*- coding:utf8 -*-

import os
import sys
import logging
import MySQLdb

from log import Logger


logger=Logger("../log/",logging.DEBUG,"mysql_base.log")


class MySQLBase(object):
    """MySQLBase"""
    
    def __init__(self,host,port,user,passwd,db='',charset='utf8',connect_timeout=1,retry_time=3,use_unicode=1):
        self.__host = host
        self.__port = port
        self.__user = user
        self.__passwd = passwd
        self.__db = db
        self.__charset = charset
        self.__connect_timeout = connect_timeout
        self.__retry_time = retry_time
        self.__use_unicode = use_unicode
        self.__connection = self._connection()
        

    def _connection(self):
        connection = None

        for i in xrange(0,self.__retry_time):
            try:
                connection = MySQLdb.connect(host=self.__host,port=int(self.__port),user=self.__user,passwd=self.__passwd,db=self.__db,connect_timeout=self.__connect_timeout,charset=self.__charset,use_unicode=self.__use_unicode)
                break
            except Exception,e:
                if i == self.__retry_time - 1:
                    message = "Failed to connect to host=%s,port=%s,Error_No:%d,"%s"" % (self.__host,self.__port,e[0],str(e[1]))
                    
                    logger.error(message)
                    print message
                    #os._exit(1)
　　　　　　　　　　　　exit(1)
                
                continue
        return connection
    
    def cursor(self):
        connection = self.__connection
        
        cursor = connection.cursor(cursorclass=MySQLdb.cursors.DictCursor)
        cursor.execute("set interactive_timeout=28800;")
        cursor.execute("set wait_timeout=288000;")
        
        return cursor
    def close(self):
        connection = self.__connection
        
        if connection:
            connection.close()


def main():
    host = "127.0.0.1"
    port = "5580"
    user = "pt"
    passwd="123456"

    mysql_base = MySQLBase(host=host,port=port,user=user,passwd=passwd)
    
    cursor = mysql_base.cursor()
    
    sql = "show databases"
    
    cursor.execute(sql)

    result = cursor.fetchall()
    
    for row in result:
        print row 
    
    mysql_base.close()
if __name__ == "__main__":
    main()

上述代码对于mysqldb简单封装了一下，更多使用介绍参照

http://zetcode.com/db/mysqlpython/

http://mysql-python.sourceforge.net/MySQLdb.html