def get_metainfo(fname, url, errorfunc):
with WarningLock(lambda *args: errorfunc("warning: bad data in metafile")):
if fname:
try:
metainfo = MetaInfo.read(fname)
except (OSError, TypeError, KeyError, ValueError):
errorfunc(fname + ' is not a valid metafile')
return None
else:
try:
with urlopen(url) as handle:
metainfo = MetaInfo(bdecode(handle.read()))
except IOError as e:
errorfunc('problem getting response info - ' + str(e))
return None
except (TypeError, KeyError, ValueError):
errorfunc(fname + ' is not a valid metafile')
return None
try:
check_info(metainfo.get('info'))
except ValueError as e:
errorfunc("got bad file info - " + str(e))
return None
return metainfo
def get_metainfo(fname, url, errorfunc):
with WarningLock(lambda *args: errorfunc("warning: bad data in metafile")):
if fname:
try:
metainfo = MetaInfo.read(fname)
except (OSError, TypeError, KeyError, ValueError):
errorfunc(fname + ' is not a valid metafile')
return None
else:
try:
metainfo = MetaInfo(bdecode(geturl(url)))
except IOError as e:
errorfunc('problem getting response info - ' + str(e))
return None
except (TypeError, KeyError, ValueError):
errorfunc(fname + ' is not a valid metafile')
return None
try:
check_info(metainfo.get('info'))
except ValueError as e:
errorfunc("got bad file info - " + str(e))
return None
return metainfo
def get_response(file, url, errorfunc):
try:
if file:
h = open(file, 'rb')
try:
# quick test to see if responsefile contains a dict
line = h.read(10)
front = line.split(':', 1)[0]
assert front[0] == 'd'
int(front[1:])
except (AssertionError, IOError):
errorfunc(file + ' is not a valid responsefile')
return None
try:
h.seek(0)
except IOError:
try:
h.close()
except IOError:
pass
h = open(file, 'rb')
else:
try:
h = urlopen(url)
except socket.error:
errorfunc(url + ' bad url')
return None
response = h.read()
except IOError as e:
errorfunc('problem getting response info - ' + str(e))
return None
try:
h.close()
except (IOError, socket.error):
pass
try:
try:
response = bdecode(response)
except ValueError:
errorfunc("warning: bad data in responsefile")
response = bdecode(response, sloppy=1)
check_type(response, dict)
check_info(response.get('info'))
check_type(response.get('announce'), str)
except ValueError as e:
errorfunc("got bad file info - " + str(e))
return None
return response
def get_response(file, url, errorfunc):
try:
if file:
h = open(file, 'rb')
try:
# quick test to see if responsefile contains a dict
line = h.read(10)
front = line.split(':', 1)[0]
assert front[0] == 'd'
int(front[1:])
except (AssertionError, IOError):
errorfunc(file + ' is not a valid responsefile')
return None
try:
h.seek(0)
except IOError:
try:
h.close()
except IOError:
pass
h = open(file, 'rb')
else:
try:
h = urlopen(url)
except socket.error:
errorfunc(url + ' bad url')
return None
response = h.read()
except IOError as e:
errorfunc('problem getting response info - ' + str(e))
return None
try:
h.close()
except (IOError, socket.error):
pass
try:
try:
response = bdecode(response)
except ValueError:
errorfunc("warning: bad data in responsefile")
response = bdecode(response, sloppy=1)
check_type(response, dict)
check_info(response.get('info'))
check_type(response.get('announce'), str)
except ValueError as e:
errorfunc("got bad file info - " + str(e))
return None
return response
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 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
