python-ox/ox/torrent/__init__.py
2014-09-30 21:04:46 +02:00

74 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
# GPL 2007-2012
from threading import Event
from hashlib import sha1
import os
from .bencode import bencode, bdecode
__all__ = ['create_torrent', 'get_info_hash', 'get_torrent_info', 'get_files', 'get_torrent_size']
def create_torrent(file, url, params = {}, flag = Event(),
progress = lambda x: None, progress_percent = 1):
"Creates a torrent for a given file, using url as tracker url"
from makemetafile import make_meta_file
return make_meta_file(file, url, params, flag, progress, progress_percent)
def get_info_hash(torrentFile):
"Returns Torrent Info Hash from torrent file"
metainfo_file = open(torrentFile, 'rb')
metainfo = bdecode(metainfo_file.read())
info = metainfo['info']
return sha1(bencode(info)).hexdigest()
def get_torrent_info(data=None, file=None):
if file:
if not isinstance(file, bytes):
file = file.encode('utf-8')
with open(file, 'rb') as f:
data = f.read()
"Returns Torrent Info from torrent file"
tinfo = {}
metainfo = bdecode(data)
info = metainfo['info']
piece_length = info['piece length']
if 'length' in info:
# let's assume we just have one file
file_length = info['length']
else:
# let's assume we have a directory structure
file_length = 0;
for f in info['files']:
file_length += f['length']
for key in info:
if key != 'pieces':
tinfo[key] = info[key]
for key in metainfo:
if key != 'info':
tinfo[key] = metainfo[key]
tinfo['size'] = file_length
tinfo['hash'] = sha1(bencode(info)).hexdigest()
tinfo['announce'] = metainfo['announce']
if file:
tinfo['timestamp'] = os.stat(file).st_ctime
return tinfo
def get_files(data):
files = []
info = get_torrent_info(data=data)
if 'files' in info:
for f in info['files']:
path = [info['name'], ]
path.extend(f['path'])
files.append(os.path.join(*path))
else:
files.append(info['name'])
return files
def get_torrent_size(file):
"Returns Size of files in torrent file in bytes"
return get_torrent_info(file=file)['size']