python HTTP 摘要认证

 import sys
    import hashlib
    import ssl

    # 测试使用，获取输入参数
    def getURLall(url, format, token, data):
        if format == '' or token == '' or data == '':
            print "need format token data"
            return ''
        res = url + '/pmsapi?format=' + format + '&token=' + token + '&data=' + data
        return res

    # 计算md5，测试时候使用，HTTPDigestAuthHandler() 函数会自己计算
    def getMD5(str):
        hl = hashlib.md5()
        hl.update(str.encode(encoding='utf-8'))
        md5 = hl.hexdigest()
        return md5

    username = 'cdrapi'
    password = 'cdrapi123'
    realm = 'passwd'
    url_top = 'https://192.168.93.46:8443'
    if len(sys.argv) >= 2:
        url_top = sys.argv[1]
    #url = 'https://192.168.124.63:8443/pmsapi?format=json'


    #url = getURLall(url_top, format, token, data)
    url = url_top + "/cdrapi?fromat=xml"


    auth = urllib2.HTTPDigestAuthHandler()
    auth.add_password(realm,url_top,username,password)

    opener = urllib2.build_opener(auth)  
    urllib2.install_opener(opener)  

    #ssl._create_default_https_context = ssl._create_unverified_context #for ptyhon 2.7 or high
    res_data = urllib2.urlopen(url)  
    res = res_data.read()  
    print res