python之basic加密http下载

实例：

import urllib2

import base64,logging

def httpDownload(testModule,var):

    testModule = testModule + '.zip'

    url = var['HttpRes'] + '/' + testModule     ########此url为下载路径

    request = urllib2.Request(url)

    downDir = '/home/Elves/agent/module/'

    file = downDir + testModule

    base64string = base64.encodestring('%s:%s' % (var['HttpResUSer'],var['HttpResPass'])).replace('\n','')    ######将用户名，密码编码，去掉最后的回车

    request.add_header('Authorization','Basic %s' % base64string)  #####将用户名密码以报文头的形式加到url

    try:

        result = urllib2.urlopen(request)

    except Exception,e:

        err = 'requestUrl_err: %s'%e

        logging.error(err)

    fp = open(file,'wb')

    fp.write(result.read())     ######将文件读取，写入

    fp.close()

    return 'download success'