用python生成一个导出数据库的bat脚本文件

Posted 2020-07-17 roucheng

# 环境: python3.x  
  
def getExportDbSql(db, index):                  # 获取导出一个数据库实例的sql语句  
    sql = \'mysqldump -u%s -p%s -h%s -P%d --default-character-set=utf8 --databases mu_ins_s%s > %s.s%d.mu_ins_%d.sql\' %(db[\'user\'], db[\'pwd\'], db[\'host\'], db[\'port\'], index, db[\'server\'], index, index)  
    return sql  
  
  
def createDbBackupFile(fname, dbList):          # 生成数据库导出的语句保存到文件  
    if not fname or not dbList:  
        return False  
  
    f = open(fname, \'w\')  
    if f:  
        f.write(\'echo @off\\n\\n\')  
        for db in dbList:  
            for index in db[\'indexList\']:  
                f.write(\'REM %s.s%d\\n\' %(db[\'server\'], index))  
                f.write(\'%s\\n\\n\' %getExportDbSql(db, index))  
            f.write(\'\\n\')  
  
        f.close()  
        return True  
  
    return False  
  
  
def initDb(user, pwd, host, port, server_name, indexList):  # 生成db字典对象并返回  
    db = {}  
    db[\'user\'] = user  
    db[\'pwd\'] = pwd  
    db[\'host\'] = host  
    db[\'port\'] = port  
    db[\'server\'] = server_name  
    db[\'indexList\'] = indexList  
  
    return db  
  
  
def displayDb(db):  
    print(\'user =\', db[\'user\'])  
    print(\'pwd =\', db[\'pwd\'])  
    print(\'host =\', db[\'host\'])  
    print(\'port =\', db[\'port\'])  
    print(\'server =\', db[\'server\'])  
    print(\'indexList =\', db[\'indexList\'])  
    print(\'\\n\')  
  
def displayList(list):  
    for item in list:  
        displayDb(item)  
  
if __name__ == \'__main__\':  
    db1 = initDb(\'root\', \'123456\', \'127.0.0.1\', 3306, \'th1\', [10000, 1, 3])  
    db2 = initDb(\'root\', \'123456\', \'127.0.0.1\', 3306, \'th2\', [10000, 1])  
      
    dbList = []  
    dbList.append(db1)  
    dbList.append(db2)  
  
    #displayList(dbList)  
      
    createDbBackupFile(\'export00.bat\', dbList) 
# 何问起 hovertree.com

推荐：http://www.cnblogs.com/roucheng/p/pythonyunsuan.html