torrent信息查看工具 showmetainfo

showmetainfo.py

#!/usr/bin/python

# Written by Henry 'Pi' James and Loring Holden
# modified for multitracker display by John Hoffman
# see LICENSE.txt for license information

# dependency
# $ pip install bencode

from sys import *
from os.path import *
try:
    from hashlib import sha1 as sha
except ImportError:
    from sha import sha
from bencode import *

NAME, EXT = splitext(basename(argv[0]))
VERSION = '20030621'

print '%s %s - decode BitTorrent metainfo files' % (NAME, VERSION)
print

if len(argv) == 1:
    print '%s file1.torrent file2.torrent file3.torrent ...' % argv[0]
    print
    exit(2) # common exit code for syntax error

for metainfo_name in argv[1:]:
    print 'metainfo file.: %s' % basename(metainfo_name)

    metainfo_file = open(metainfo_name, 'rb')
    metainfo = metainfo_file.read()
    metainfo_file.close()
    metainfo = bdecode(metainfo)
    try:    
        info = metainfo['info']
        info_hash = sha(bencode(info))

        print 'info hash.....: %s' % info_hash.hexdigest()
        piece_length = info['piece length']
        if info.has_key('length'):
            # let's assume we just have a file
            print 'file name.....: %s' % info['name']
            file_length = info['length']
            name ='file size.....:'
        else:
            # let's assume we have a directory structure
            print 'directory name: %s' % info['name']
            print 'files.........: '
            file_length = 0;
            for file in info['files']:
                path = ''
                for item in file['path']:
                    if (path != ''):
                       path = path + "/"
                    path = path + item
                print '   %s (%d)' % (path, file['length'])
                file_length += file['length']
                name ='archive size..:'
        piece_number, last_piece_length = divmod(file_length, piece_length)
        print '%s %i (%i * %i + %i)' \
              % (name,file_length, piece_number, piece_length, last_piece_length)
        if metainfo.has_key('announce'):
            print 'announce url..: %s' % metainfo['announce']
        else:
            print '***WARNING*** - no announce key'
        if metainfo.has_key('announce-list'):
            list = []
            for tier in metainfo['announce-list']:
                for tracker in tier:
                    list+=[tracker,',']
                del list[-1]
                list+=['|']
            del list[-1]
            liststring = ''
            for i in list:
                liststring+=i
            print 'announce-list.: %s' % liststring
        if metainfo.has_key('httpseeds'):
            list = []
            for seed in metainfo['httpseeds']:
                list += [seed,'|']
            del list[-1]
            liststring = ''
            for i in list:
                liststring+=i
            print 'http seeds....: %s' % liststring
        if metainfo.has_key('comment'):
            print 'comment.......: %s' % metainfo['comment']

    except:
        print '***ERROR*** - metainfo out of spec'