def getTorrentData(self, torrent):
"""Read a torrent data file from cache"""
if torrent in self.torrentDataBuffer:
return self.torrentDataBuffer[torrent]
fname = os.path.join(self.dir_datacache, hexlify(torrent))
if not os.path.exists(fname):
return None
try:
data = MetaInfo.read(fname)
except (IOError, ValueError):
data = None
self.torrentDataBuffer[fname] = data
return data
def getTorrent(self, torrent, version=-1):
"""Return the contents of a torrent file
If version is -1 (default), get the most recent.
If version is specified and > -1, retrieve specified version."""
torrent = hexlify(torrent)
fname = os.path.join(self.dir_torrentcache, torrent)
if version == -1:
version = max(self.getTorrentVariations(torrent))
if version:
fname += '.' + str(version)
try:
return MetaInfo.read(fname)
except (IOError, ValueError):
return None
def parse_torrent(path, return_metainfo=False):
"""Load and derive metadata from torrent file
Parameters
str - path of file to parse
bool - parsed metadata to include full torrent data
Returns
{str: *}
- torrent file metadata
str - sha hash of encoded info dict
"""
fname = os.path.basename(path)
data = MetaInfo.read(path)
# Validate and hash info dict
info = data['info']
check_info(info)
infohash = hashlib.sha1(bencode(info)).digest()
single = 'length' in info
torrentinfo = {
'path':
path,
'file':
fname,
'name':
info.get('name', fname),
'numfiles':
1 if single else len(info['files']),
'length':
info['length'] if single else sum(li['length'] for li in info['files']
if 'length' in li)
}
for key in ('failure reason', 'warning message', 'announce-list'):
if key in data:
torrentinfo[key] = data[key]
if return_metainfo:
torrentinfo['metainfo'] = data
return torrentinfo, infohash
def reannounce(fname, announce, announce_list=None, verbose=False):
"""Replace announce and announce-list in info file"""
metainfo = MetaInfo.read(fname)
if verbose:
print 'old announce for %s: %s' % (fname, metainfo['announce'])
metainfo['announce'] = announce
if 'announce-list' in metainfo:
if verbose:
print 'old announce-list for {}: {}'.format(
fname, '|'.join(','.join(tier)
for tier in metainfo['announce-list']))
if announce_list is not None:
metainfo['announce-list'] = announce_list
else:
metainfo.pop('announce-list', None)
metainfo.write(fname)
def reannounce(fname, announce, announce_list=None, verbose=False):
"""Replace announce and announce-list in info file"""
metainfo = MetaInfo.read(fname)
if verbose:
print 'old announce for %s: %s' % (fname, metainfo['announce'])
metainfo['announce'] = announce
if 'announce-list' in metainfo:
if verbose:
print 'old announce-list for {}: {}'.format(
fname,
'|'.join(','.join(tier) for tier in metainfo['announce-list']))
if announce_list is not None:
metainfo['announce-list'] = announce_list
else:
metainfo.pop('announce-list', None)
metainfo.write(fname)
def parse_torrent(path, return_metainfo=False):
"""Load and derive metadata from torrent file
Parameters
str - path of file to parse
bool - parsed metadata to include full torrent data
Returns
{str: *}
- torrent file metadata
str - sha hash of encoded info dict
"""
fname = os.path.basename(path)
data = MetaInfo.read(path)
# Validate and hash info dict
info = data["info"]
check_info(info)
infohash = hashlib.sha1(bencode(info)).digest()
single = "length" in info
torrentinfo = {
"path": path,
"file": fname,
"name": info.get("name", fname),
"numfiles": 1 if single else len(info["files"]),
"length": info["length"] if single else sum(li["length"] for li in info["files"] if "length" in li),
}
for key in ("failure reason", "warning message", "announce-list"):
if key in data:
torrentinfo[key] = data[key]
if return_metainfo:
torrentinfo["metainfo"] = data
return torrentinfo, infohash
