如何将磁力链接转换为bt种子？

如题

关注者

被浏览

1,955,043

登录后你可以

不限量看优质回答私信答主深度交流精彩内容一键收藏

查看全部 6 个回答

鉴于目前的种子库都不全，不新，或者干脆崩了。

我回答一个技术性的方法，直接实现BEP-009协议来向别人查询种子

代码来自我的DHT爬虫 LEXUGE/L-Spider

代码有部分拼写错误，请谅解

def download_metadata(address, infohash, timeout=15):
    if ip_black_list(address[0]):
        return
    try:
        the_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        the_socket.settimeout(15)
        the_socket.connect(address)
        # handshake
        send_handshake(the_socket, infohash)
        packet = the_socket.recv(4096)
        # handshake error
        if not check_handshake(packet, infohash):
            try:
                the_socket.close()
            except:
                return
            return
        # ext handshake
        send_ext_handshake(the_socket)
        packet = the_socket.recv(4096)
        # get ut_metadata and metadata_size
        ut_metadata, metadata_size = get_ut_metadata(packet), get_metadata_size(packet)
        # print 'ut_metadata_size: ', metadata_size
        # request each piece of metadata
        metadate_old=""
        metadata = []
        for piece in range(int(math.ceil(metadata_size / (16.0 * 1024)))):
            request_metadata(the_socket, ut_metadata, piece)
            packet = recvall(the_socket, timeout)  # the_socket.recv(1024*17) #
            metadata.append(packet[packet.index("ee") + 2:])
        metadata = "".join(metadata)
        info = {}
        #vierfy metadata
        chech_metadata=sha1(str(metadata)).hexdigest()
        if chech_metadata.upper()!=infohash.encode("hex").upper():
            print "[check infohash] failed.Check_sum:"+chech_metadata.upper()
            print "[check infohash] infohash:"+infohash.encode("hex").upper()
            try:
                print "\r\n\r\n"
                the_socket.close()
            except:
                print "\r\n\r\n"
                return
            return
        else:
            print "[check infohash] successful.Check_sum:"+chech_metadata.upper()
            print "[check infohash] infohash:"+infohash.encode("hex").upper()
        meta_data = bdecode(metadata)
        #torrent file
        metadate_old="d4:info"+str(metadata)+"e"
        del metadata
        info['hash_id'] = infohash.encode("hex").upper()
        if meta_data.has_key('name'):
            info["hash_name"] = meta_data["name"].strip()
        else:
            info["hash_name"] = ''
        if meta_data.has_key('length'):
            info['hash_size'] = meta_data['length']
        else:
            info['hash_size'] = 0
        if meta_data.has_key('files'):
            info['files'] = meta_data['files']
            for item in info['files']:
                # print item
                if item.has_key('length'):
                    info['hash_size'] += item['length']
            #info['files'] = json.dumps(info['files'], ensure_ascii=False)
            #info['files'] = info['files'].replace("\"path\"", "\"p\"").replace("\"length\"", "\"l\"")
        else:
            info['files'] = ''
        info['a_ip'] = address[0]
        info['hash_size'] = str(info['hash_size'])
        #print info, "\r\n\r\n"
        storage_info(info,metadate_old,address)
        del info
        gc.collect()
    except socket.timeout:
        try:
            the_socket.close()
        except:
            return
    except socket.error:
        try:
            the_socket.close()
        except:
            return
    except Exception, e:
        try:
            # print e
            # traceback.print_exc()
            the_socket.close()
        except:
            return