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ReRDS备份文件自动下载工具-v1.0已更新支持交互式设置 系统 CENTOS6.5 当python getfile.py时,正常运行; 把getfile.py交互改为固定值,也正常运行; 一旦用crontab定时任务跑getfile.py时 (crontab脚步运行其他脚步正常，运行getfile.py时跑到38行报错)，报错; 错误代码： decode() argument 1 must be string , not None 出错行在（ 38）： # -*- coding: utf-8 -*-'''Created on 2015-1-27@author: muyuan'''import sys,os,shutil,stringimport reimport urllib,urllib2,requestsimport datetime,timeimport aliyun.api#这里写id 和 密钥aliyun.setDefaultAppInfo('id', 'secret')print u'请先设置aliyun.setDefaultAppInfo的Access Key ID和Access Key Secret'print u'请输入您的RDS所在区域,如cn-hangzhou'prompt = 'Aliyun>'my_diqu = raw_input(prompt)print u'请输入您的RDS实例名'my_rdsname = raw_input(prompt)print u'请输入您要下载备份的开始时间如2015-01-15'my_begintime = raw_input(prompt)print u'请输入您要下载的备份结束时间如2015-01-18'my_overtime = raw_input(prompt)#查询备份信息,设置相关条件a = aliyun.api.Rds20140815DescribeBackupsRequest()a.RegionId = my_diqu #% (diqu)a.DBInstanceid = my_rdsname # % (rdsname)a.StartTime = my_begintime + 'T00:00Z' # % (begintime)a.EndTime =  my_overtime + 'T00:00Z' #获取备份列表try:    f = a.getResponse() # 此处报错： decode() argument 1 must be string , not None    if('Code' in f):      print('Fasle')      print(f['Code'])             print(f['Message'])     else:            f = a.getResponse() # 此处报错： decode() argument 1 must be string , not None     #        print(f)            f = str(f)     #格式化输出     #        b=re.compile(r'(http://.*?)',')     my_re = re.compile(r'(http://.*?)',')     #正则匹配                     print my_re.findall(f)             my_data = my_re.findall(f)             my_len = len(my_data)      #计算list的元素数      ###开始下载             #        print '%r~%r,you have %r backup file ,start download,please wait,' % (a.StartTime, a.EndTime, d)              print u'从%r到%r,有%r个备份文件可以下载 ,正在下载,请稍候,' % (a.StartTime, a.EndTime, my_len)              my_url = my_data             for m in my_url:     #            u = urllib2.urlopen(m)     #            y = u.read()                 urllib.urlretrieve(m, 'muyuan.tar.gz')                 now = time.strftime('%Y%m%d-%H%M%S')                 newname = now + '.tar.gz'                 shutil.move('muyuan.tar.gz',newname)             print u'下载完成,请查看脚本运行的当前目录下是否已经成功下载文件'except Exception,e:    print(e) 代码中引用包： aliyun.api.Rds20140815DescribeBackupsRequest() 包内init code : '''Created by auto_sdk on 2014-10-22 12:49:31'''from aliyun.api.base import RestApiclass Rds20140815DescribeBackupsRequest(RestApi):    def __init__(self,domain='rds.aliyuncs.com',port=80):        RestApi.__init__(self,domain, port)        self.OwnerId = None        self.OwnerAccount = None        self.ResourceOwnerAccount = None        self.BackupId = None        self.BackupMode = None        self.BackupStatus = None        self.DBInstanceId = None        self.EndTime = None        self.PageNumber = None        self.PageSize = None        self.StartTime = None    def getapiname(self):        return 'rds.aliyuncs.com.DescribeBackups.2014-08-15'