pythonurllib2字符乱码的问题

r1=urllib2.Request(url,None,headers)

opener = urllib2.build_opener()

opener.addheaders.append(('COOKIE', COOKIE_str))

respOnse=opener.open(r1)

if response.info().get('Content-Encoding') == 'gzip':

    d = zlib.decompressobj(16+zlib.MAX_WBITS)

    #buf = StringIO( response.read())

    #f = gzip.GzipFile(fileobj=buf)

    #text = f.read()

    READ_BLOCK_SIZE = 1024*8

    stre=''

    while True:

        data = response.read(READ_BLOCK_SIZE)

        if not data: break

        stre+=data



    text = d.decompress(stre)

else :

    text=response.read()