75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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# GPL 2007-2012
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from threading import Event
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from hashlib import sha1
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import os
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from .bencode3 import bencode, bdecode
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__all__ = ['create_torrent', 'get_info_hash', 'get_torrent_info', 'get_files', 'get_torrent_size']
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def create_torrent(file, url, params={}, flag=Event(),
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progress=lambda x: None, progress_percent=1):
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"Creates a torrent for a given file, using url as tracker url"
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from .makemetafile import make_meta_file
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return make_meta_file(file, url, params, flag, progress, progress_percent)
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def get_info_hash(torrentFile):
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"Returns Torrent Info Hash from torrent file"
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metainfo_file = open(torrentFile, 'rb')
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metainfo = bdecode(metainfo_file.read())
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info = metainfo['info']
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return sha1(bencode(info)).hexdigest()
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def get_torrent_info(data=None, file=None):
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if file:
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if not isinstance(file, bytes):
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file = file.encode('utf-8')
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with open(file, 'rb') as f:
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data = f.read()
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"Returns Torrent Info from torrent file"
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tinfo = {}
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metainfo = bdecode(data)
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info = metainfo['info']
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piece_length = info['piece length']
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if 'length' in info:
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# let's assume we just have one file
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file_length = info['length']
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else:
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# let's assume we have a directory structure
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file_length = 0;
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for f in info['files']:
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file_length += f['length']
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for key in info:
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if key != 'pieces':
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tinfo[key] = info[key]
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for key in metainfo:
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if key != 'info':
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tinfo[key] = metainfo[key]
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tinfo['size'] = file_length
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tinfo['hash'] = sha1(bencode(info)).hexdigest()
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if 'announce' in metainfo:
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tinfo['announce'] = metainfo['announce']
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if file:
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tinfo['timestamp'] = os.stat(file).st_ctime
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return tinfo
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def get_files(data):
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files = []
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info = get_torrent_info(data=data)
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if 'files' in info:
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for f in info['files']:
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path = [info['name'], ]
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path.extend(f['path'])
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files.append(os.path.join(*path))
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else:
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files.append(info['name'])
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return files
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def get_torrent_size(file):
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"Returns Size of files in torrent file in bytes"
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return get_torrent_info(file=file)['size']
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