实战Python实现BT种子转化为磁力链接

pip install bencode

bt2url.py
#! /usr/local/bin/python
# @desc python通过BT种子生成磁力链接 
# @date 2015/11/10
# @author pythontab.com
import bencode
import sys
import hashlib
import base64
import urllib
#获取参数
torrentName = sys.argv[1]
#读取种子文件
torrent = open(torrentName, 'rb').read()
#计算meta数据
metadata = bencode.bdecode(torrent)
hashcontents = bencode.bencode(metadata['info'])
digest = hashlib.sha1(hashcontents).digest()
b32hash = base64.b32encode(digest)
#打印
print 'magnet:?xt=urn:btih:%s' % b32hash

python bt2url.py test.torrent

magnet:?xt=urn:btih:MWXFHXOGE2UMR7WBFZYEJPM3LF2VIHNH