def _arcs(self, runner, table, track, offset):
# rips the track with the given offset, return the arcs checksums
logger.debug('ripping track %r with offset %d...', track, offset)
fd, path = tempfile.mkstemp(suffix=u'.track%02d.offset%d.whipper.wav' %
(track, offset))
os.close(fd)
t = cdparanoia.ReadTrackTask(path,
table,
table.getTrackStart(track),
table.getTrackEnd(track),
overread=False,
offset=offset,
device=self.options.device)
t.description = 'Ripping track %d with read offset %d' % (track,
offset)
runner.run(t)
v1 = arc.accuraterip_checksum(path,
track,
len(table.tracks),
wave=True,
v2=False)
v2 = arc.accuraterip_checksum(path,
track,
len(table.tracks),
wave=True,
v2=True)
os.unlink(path)
return ("%08x" % v1, "%08x" % v2)
def calculate_checksums(track_paths):
"""
Return ARv1 and ARv2 checksums as two arrays of character strings in a
dictionary: {'v1': ['deadbeef', ...], 'v2': [...]}
Return None instead of checksum string for unchecksummable tracks.
HTOA checksums are not included in the database and are not calculated.
"""
track_count = len(track_paths)
v1_checksums = []
v2_checksums = []
logger.debug('checksumming %d tracks', track_count)
# This is done sequentially because it is very fast.
for i, path in enumerate(track_paths):
v1_sum = accuraterip_checksum(
path, i+1, track_count, wave=True, v2=False
)
if not v1_sum:
logger.error('could not calculate AccurateRip v1 checksum '
'for track %d %r', i + 1, path)
v1_checksums.append(None)
else:
v1_checksums.append("%08x" % v1_sum)
v2_sum = accuraterip_checksum(
path, i+1, track_count, wave=True, v2=True
)
if not v2_sum:
logger.error('could not calculate AccurateRip v2 checksum '
'for track %d %r', i + 1, path)
v2_checksums.append(None)
else:
v2_checksums.append("%08x" % v2_sum)
return {'v1': v1_checksums, 'v2': v2_checksums}
def _arcs(self, runner, table, track, offset):
# rips the track with the given offset, return the arcs checksums
logger.debug('Ripping track %r with offset %d ...', track, offset)
fd, path = tempfile.mkstemp(
suffix=u'.track%02d.offset%d.whipper.wav' % (
track, offset))
os.close(fd)
t = cdparanoia.ReadTrackTask(path, table,
table.getTrackStart(
track), table.getTrackEnd(track),
overread=False, offset=offset,
device=self.options.device)
t.description = 'Ripping track %d with read offset %d' % (
track, offset)
runner.run(t)
v1 = arc.accuraterip_checksum(
path, track, len(table.tracks), wave=True, v2=False
)
v2 = arc.accuraterip_checksum(
path, track, len(table.tracks), wave=True, v2=True
)
os.unlink(path)
return ("%08x" % v1, "%08x" % v2)
def calculate_checksums(track_paths):
"""
Calculate AccurateRip checksums for the given tracks.
HTOA checksums are not included in the database and are not calculated.
:returns: ARv1 and ARv2 checksums as two arrays of character strings in a
dictionary: ``{'v1': ['deadbeef', ...], 'v2': [...]}``
or None instead of checksum string for unchecksummable tracks.
:rtype: dict(string, list()) or None
"""
track_count = len(track_paths)
v1_checksums = []
v2_checksums = []
logger.debug('checksumming %d tracks', track_count)
# This is done sequentially because it is very fast.
for i, path in enumerate(track_paths):
if os.path.exists(path):
v1_sum, v2_sum = accuraterip_checksum(path, i+1, track_count)
else:
logger.warning('Can\'t checksum %s; path doesn\'t exist', path)
v1_sum, v2_sum = None, None
if v1_sum is None:
logger.error('could not calculate AccurateRip v1 checksum '
'for track %d %r', i + 1, path)
v1_checksums.append(None)
else:
v1_checksums.append("%08x" % v1_sum)
if v2_sum is None:
logger.error('could not calculate AccurateRip v2 checksum '
'for track %d %r', i + 1, path)
v2_checksums.append(None)
else:
v2_checksums.append("%08x" % v2_sum)
return {'v1': v1_checksums, 'v2': v2_checksums}
def calculate_checksums(track_paths):
"""
Return ARv1 and ARv2 checksums as two arrays of character strings in a
dictionary: {'v1': ['deadbeef', ...], 'v2': [...]}
Return None instead of checksum string for unchecksummable tracks.
HTOA checksums are not included in the database and are not calculated.
"""
track_count = len(track_paths)
v1_checksums = []
v2_checksums = []
logger.debug('checksumming %d tracks', track_count)
# This is done sequentially because it is very fast.
for i, path in enumerate(track_paths):
v1_sum, v2_sum = accuraterip_checksum(path, i + 1, track_count)
if v1_sum is None:
logger.error(
'could not calculate AccurateRip v1 checksum '
'for track %d %r', i + 1, path)
v1_checksums.append(None)
else:
v1_checksums.append("%08x" % v1_sum)
if v2_sum is None:
logger.error(
'could not calculate AccurateRip v2 checksum '
'for track %d %r', i + 1, path)
v2_checksums.append(None)
else:
v2_checksums.append("%08x" % v2_sum)
return {'v1': v1_checksums, 'v2': v2_checksums}
def _arc(self):
arc = accuraterip_checksum(self.path, self.trackNumber,
self.trackCount,
self._wave, self._v2)
self.checksum = arc
self.stop()
def _arc(self):
arc = accuraterip_checksum(self.path, self.trackNumber, self.trackCount,
self._wave, self._v2)
self.checksum = arc
self.stop()
