Russian Nesting Doll

    def decode(self, resp):
        listRe = re.compile('var\s+\w{3}\s+=\s+(\[.+?\]);',re.DOTALL)
        minusRe = re.compile('\s+\-\s+(\d{,10})\);')
        iframeRe = re.compile('<iframe.+?src=["\'](\S{10,})["\']')
        packerRe = re.compile('(eval\(function\(p,a,c,k,e,(?:r|d).*)')
        clapprRe = re.compile('new\s+Clappr\.Player\(\{\s*?source:\s*?["\'](.+?)["\']')

        hParse = HTMLParser()
        jsList = listRe.findall(resp)[0]
        minusValue = int(minusRe.findall(resp)[0])
        valuesList = eval(jsList)

        iframePage = hParse.unescape(unquote(''.join(map(chr,
                                     [int(''.join([x for x in
                                     base64.b64decode(valueInList)
                                     if x.isdigit()])) - minusValue
                                     for valueInList in valuesList]))))
        iframe_url = iframeRe.findall(iframePage)[0]
        packerPage = requests.get(iframe_url).text
        packed = packerRe.findall(packerPage)[0]
        unpacked = jsunpack.unpack(packed)
        clapprStream = clapprRe.findall(unpacked)[0]

        headers = '|Referer=%s&User-Agent=%s' % (iframe_url, ua_string)
        return clapprStream + headers