cache.py 文件源码

def hash_from_magnet(m):
        res=Cache.magnet_re.search(m)
        if res:
            ih=res.group(1).upper()
            if len(ih)==40 and Cache.hexa_chars.match(ih):
                return res.group(1).upper()
            elif len(ih)==32:
                s=base64.b32decode(ih)
                return "".join("{:02X}".format(ord(c)) for c in s)
            else:
                raise ValueError('Not BT magnet link')

        else:
            raise ValueError('Not BT magnet link')