LOGIN = 'xxxx'

PASSWD = "xxx"

URL = 'xxxxx'

def handler_version(url):

    return url

def request_version(url):

    return req

for funcType in ('handler', 'request'):

    print '*** Using %s:' % funcType.lower()

    #a='%s_version'%funcType

    url = eval('%s_version'%funcType)(URL)###wval把string变量转换成相应函数

    #url = a(URL)

    print url

    f = urllib2.urlopen(url)

    print f.readline()

    f.close()