/usr/bin/trackcmp is in audiotools 3.1.1-1+b1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Audio Tools, a module and set of tools for manipulating audio data
# Copyright (C) 2007-2015 Brian Langenberger
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import sys
import os
import os.path
import operator
import audiotools
import audiotools.text as _
def cmp_files(progress, audiofile1, audiofile2):
"""Returns (path1, path2, mismatch) tuple
where mismatch is the int of the first PCM mismatch,
None if the files match exactly or
a negative value if some error occurs."""
try:
if os.path.samefile(audiofile1.filename, audiofile2.filename):
return (audiofile1.filename,
audiofile2.filename,
None)
elif ((audiofile1.sample_rate() != audiofile2.sample_rate()) or
(audiofile1.bits_per_sample() != audiofile2.bits_per_sample()) or
(audiofile1.channels() != audiofile2.channels())):
return (audiofile1.filename,
audiofile2.filename,
-1)
else:
return (audiofile1.filename,
audiofile2.filename,
audiotools.pcm_frame_cmp(
audiotools.to_pcm_progress(audiofile1, progress),
audiofile2.to_pcm()))
except (IOError, ValueError, KeyboardInterrupt, audiotools.DecodingError):
return (audiofile1.filename,
audiofile2.filename,
-2)
def cmp_result(result, is_tty=False):
(path1, path2, mismatch) = result
assert(isinstance(path1, str))
assert(isinstance(path2, str))
assert((mismatch is None) or isinstance(mismatch, int))
if mismatch is None:
return ((_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(path1),
"file2": audiotools.Filename(path2)}) +
u" : " + audiotools.output_text(
_.LAB_TRACKCMP_OK,
fg_color="green").format(is_tty))
elif mismatch >= 0:
return ((_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(path1),
"file2": audiotools.Filename(path2)}) +
u" : " + audiotools.output_text(
_.LAB_TRACKCMP_MISMATCH %
{"frame_number": mismatch + 1},
fg_color="red").format(is_tty))
elif mismatch == -1:
return ((_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(path1),
"file2": audiotools.Filename(path2)}) +
u" : " + audiotools.output_text(
_.LAB_TRACKCMP_PARAM_MISMATCH,
fg_color="red").format(is_tty))
else:
return ((_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(path1),
"file2": audiotools.Filename(path2)}) +
u" : " + audiotools.output_text(
_.LAB_TRACKCMP_ERROR,
fg_color="red").format(is_tty))
def cmp_result_tty(result):
return cmp_result(result, is_tty=True)
def image_compare(progress, image_audiofile, track_audiofile,
image_filename, track_filename,
pcm_frames_offset, total_pcm_frames):
image_pcmreader = image_audiofile.to_pcm()
# if image_pcmreader has seek(),
# use it to reduce the amount of frames to skip
if hasattr(image_pcmreader, "seek") and callable(image_pcmreader.seek):
pcm_frames_offset -= image_pcmreader.seek(pcm_frames_offset)
try:
return (
audiotools.pcm_frame_cmp(
audiotools.PCMReaderWindow(image_pcmreader,
pcm_frames_offset,
total_pcm_frames),
audiotools.PCMReaderProgress(track_audiofile.to_pcm(),
total_pcm_frames,
progress)),
image_filename,
track_filename)
except (IOError, ValueError, KeyboardInterrupt, audiotools.DecodingError):
return (-2, image_filename, track_filename)
def image_compare_raw(progress, source_filename,
sample_rate, channels, channel_mask, bits_per_sample,
track_audiofile, image_filename, track_filename,
pcm_frames_offset, total_pcm_frames):
with open(source_filename, "rb") as f:
# skip initial offset
f.seek(pcm_frames_offset * channels * (bits_per_sample // 8))
return (
audiotools.pcm_frame_cmp(
audiotools.PCMReaderHead(
audiotools.PCMFileReader(file=f,
sample_rate=sample_rate,
channels=channels,
channel_mask=channel_mask,
bits_per_sample=bits_per_sample),
total_pcm_frames),
audiotools.PCMReaderProgress(track_audiofile.to_pcm(),
total_pcm_frames,
progress)),
image_filename,
track_filename)
def image_compare_results(result, is_tty=False):
(mismatch, image_name, track_name) = result
return u"%s : %s" % (_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(image_name),
"file2": audiotools.Filename(track_name)},
(audiotools.output_text(
_.LAB_TRACKCMP_OK,
fg_color="green").format(is_tty) if
mismatch is None else
audiotools.output_text(
_.LAB_TRACKCMP_MISMATCH %
{"frame_number": mismatch + 1},
fg_color="red").format(is_tty)))
def image_compare_results_tty(result):
return image_compare_results(result, is_tty=True)
if (__name__ == '__main__'):
import argparse
parser = argparse.ArgumentParser(description=_.DESCRIPTION_TRACKCMP)
parser.add_argument("--version",
action="version",
version="Python Audio Tools %s" % (audiotools.VERSION))
parser.add_argument("-V", "--verbose",
action="store",
dest="verbosity",
choices=audiotools.VERBOSITY_LEVELS,
default=audiotools.DEFAULT_VERBOSITY,
help=_.OPT_VERBOSE)
parser.add_argument("-j", "--joint",
type=int,
default=audiotools.MAX_JOBS,
dest="max_processes",
help=_.OPT_JOINT)
parser.add_argument("-S", "--no-summary",
action="store_true",
dest="no_summary",
help=_.OPT_NO_SUMMARY)
parser.add_argument("filename",
metavar="PATH",
help=_.OPT_INPUT_FILENAME_OR_IMAGE)
parser.add_argument("filenames",
metavar="PATH",
nargs="+",
help=_.OPT_INPUT_FILENAME_OR_DIR)
options = parser.parse_args()
msg = audiotools.Messenger(options.verbosity == "quiet")
args = [options.filename] + options.filenames
if options.max_processes < 1:
msg.error(_.ERR_INVALID_JOINT)
sys.exit(1)
check_function = audiotools.pcm_frame_cmp
if len(args) == 2:
if os.path.isfile(args[0]) and os.path.isfile(args[1]):
# comparing two files
filename_a = audiotools.Filename(args[0])
filename_b = audiotools.Filename(args[1])
try:
audiofile_a = audiotools.open(args[0])
except audiotools.UnsupportedFile:
msg.error(_.ERR_UNSUPPORTED_FILE % (filename_a,))
sys.exit(1)
if not audiofile_a.__class__.supports_to_pcm():
msg.error(_.ERR_UNSUPPORTED_TO_PCM %
{"filename": filename_a, "type": audiofile_a.NAME})
sys.exit(1)
try:
audiofile_b = audiotools.open(args[1])
except audiotools.UnsupportedFile:
msg.error(_.ERR_UNSUPPORTED_FILE % (filename_b,))
sys.exit(1)
if not audiofile_b.__class__.supports_to_pcm():
msg.error(_.ERR_UNSUPPORTED_TO_PCM %
{"filename": filename_b, "type": audiofile_b.NAME})
sys.exit(1)
(path1, path2, mismatch) = cmp_files(None,
audiofile_a,
audiofile_b)
if mismatch is not None:
msg.output(cmp_result((path1, path2, mismatch),
msg.output_isatty()))
sys.exit(1)
elif os.path.isdir(args[0]) and os.path.isdir(args[1]):
# comparing two directories
to_compare = []
results = []
dir1 = args[0]
files1 = {}
dir2 = args[1]
files2 = {}
for (files, dir) in [(files1, dir1), (files2, dir2)]:
for path in [os.path.join(dir, f) for f in os.listdir(dir)]:
if os.path.isfile(path):
try:
audiofile = audiotools.open(path)
if audiofile.__class__.supports_to_pcm():
files[audiofile.filename] = audiofile
else:
msg.warning(_.ERR_UNSUPPORTED_TO_PCM %
{"filename": audiofile.filename,
"type": audiofile.NAME})
except audiotools.UnsupportedFile:
pass
except audiotools.InvalidFile as err:
msg.warning(str(err))
except IOError:
msg.warning(_.ERR_OPEN_IOERROR % (path,))
# first, attempt to match files by their stream characteristics
streams1 = {}
streams2 = {}
for (files, streams) in [(files1, streams1),
(files2, streams2)]:
for f in files.values():
streams.setdefault((f.bits_per_sample(),
f.channels(),
f.sample_rate(),
f.total_frames()), []).append(f)
# anything with matching specs
# and only a single possible match per directory
# is queued for comparison
for specs in set(streams1.keys()) & set(streams2.keys()):
if (((len(streams1[specs]) == 1) and
(len(streams2[specs]) == 1))):
file1 = streams1[specs][0]
file2 = streams2[specs][0]
# remove matched files from lists
del(files1[file1.filename])
del(files2[file2.filename])
# queue up comparison job
to_compare.append((file1, file2))
# then, attempt to match leftover files by metadata
# such as album_number and track_number
metadatas1 = {}
metadatas2 = {}
for (files, metadatas) in [(files1, metadatas1),
(files2, metadatas2)]:
for f in files.values():
m = f.get_metadata()
if m is not None:
metadatas.setdefault((m.track_number,
m.album_number), []).append(f)
else:
metadatas.setdefault((None,
None), []).append(f)
for metadata in set(metadatas1.keys()) & set(metadatas2.keys()):
if (((len(metadatas1[metadata]) == 1) and
(len(metadatas2[metadata]) == 1))):
file1 = metadatas1[metadata][0]
file2 = metadatas2[metadata][0]
# remove matched files from lists
del(files1[file1.filename])
del(files2[file2.filename])
# queue up comparison job
to_compare.append((file1, file2))
# anything left over is marked as a missing file
for (files, directory) in [(files1, args[1]), (files2, args[0])]:
for filename in files.keys():
msg.info(
audiotools.output_text(
_.LAB_TRACKCMP_MISSING %
{"filename": audiotools.Filename(
os.path.basename(filename)),
"directory": audiotools.Filename(directory)},
fg_color="red").format(msg.info_isatty()))
sys.stdout.flush()
results.append((filename, None, 0))
queue = audiotools.ExecProgressQueue(msg)
for (track1, track2) in sorted(to_compare,
key=lambda f: f[0].filename):
queue.execute(
function=cmp_files,
progress_text=_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(track1.filename),
"file2": audiotools.Filename(track2.filename)},
completion_output=(cmp_result_tty
if msg.output_isatty() else
cmp_result),
audiofile1=track1,
audiofile2=track2)
try:
results.extend(queue.run(options.max_processes))
except KeyboardInterrupt:
msg.error(_.ERR_CANCELLED)
sys.exit(1)
successes = len([r for r in results if r[2] is None])
failures = len(results) - successes
if not options.no_summary:
msg.output(_.LAB_TRACKCMP_RESULTS)
msg.output(u"")
table = audiotools.output_table()
row = table.row()
row.add_column(_.LAB_TRACKCMP_HEADER_SUCCESS, "right")
row.add_column(u" ")
row.add_column(_.LAB_TRACKCMP_HEADER_FAILURE, "right")
row.add_column(u" ")
row.add_column(_.LAB_TRACKCMP_HEADER_TOTAL, "right")
table.divider_row([_.DIV, u" ", _.DIV, u" ", _.DIV])
row = table.row()
row.add_column(u"%d" % (successes), "right")
row.add_column(u" ")
row.add_column(u"%d" % (failures), "right")
row.add_column(u" ")
row.add_column(u"%d" % (successes + failures), "right")
for row in table.format(msg.output_isatty()):
msg.output(row)
if failures > 0:
sys.exit(1)
else:
# comparison mismatch
msg.error((_.LAB_TRACKCMP_CMP %
{"file1": audiotools.Filename(args[0]),
"file2": audiotools.Filename(args[1])}) +
u" : " +
audiotools.output_text(
_.LAB_TRACKCMP_TYPE_MISMATCH,
fg_color="red").format(msg.error_isatty()))
sys.exit(1)
elif len(args) > 2:
# possibly comparing disk image against tracks
audiofiles = []
for arg in args:
if os.path.isfile(arg):
try:
audiofiles.append(audiotools.open(arg))
except audiotools.UnsupportedFile:
pass
except audiotools.InvalidFile as err:
msg.warning(str(err))
except IOError:
msg.warning(_.ERR_OPEN_IOERROR % (path,))
audiofiles.sort(key=lambda t: t.total_frames())
if (sum(t.total_frames() for t in audiofiles[0:-1]) !=
audiofiles[-1].total_frames()):
msg.output(_.USAGE_TRACKCMP_CDIMAGE)
sys.exit(1)
cd_image = audiofiles[-1]
tracks = audiofiles[0:-1]
image_name = audiotools.Filename(cd_image.filename)
# all tracks should have the same album number and track total
tracks = audiotools.sorted_tracks(tracks)
cd_data = audiotools.BufferedPCMReader(cd_image.to_pcm())
queue = audiotools.ExecProgressQueue(msg)
pcm_offset = 0
if cd_image.seekable():
for (i, track) in enumerate(tracks):
track_name = audiotools.Filename(track.filename)
queue.execute(
function=image_compare,
progress_text=_.LAB_TRACKCMP_CMP %
{"file1": image_name, "file2": track_name},
completion_output=(image_compare_results_tty
if msg.output_isatty()
else image_compare_results),
image_audiofile=cd_image,
track_audiofile=track,
image_filename=str(image_name),
track_filename=str(track_name),
pcm_frames_offset=pcm_offset,
total_pcm_frames=track.total_frames())
pcm_offset += track.total_frames()
try:
if ({r[0] for r in
queue.run(options.max_processes)} != {None}):
sys.exit(1)
except KeyboardInterrupt:
msg.error(_.ERR_CANCELLED)
sys.exit(1)
else:
import tempfile
# if file isn't seekable
# decode it to a single PCM blob of binary data
temp_blob = tempfile.NamedTemporaryFile()
cache_progress = audiotools.SingleProgressDisplay(
msg, _.LAB_CACHING_FILE)
try:
audiotools.transfer_framelist_data(
audiotools.PCMReaderProgress(
cd_image.to_pcm(),
cd_image.total_frames(),
cache_progress.update),
temp_blob.write)
except audiotools.DecodingError as err:
cache_progress.clear_rows()
msg.error(err)
temp_blob.close()
sys.exit(1)
except KeyboardInterrupt:
cache_progress.clear_rows()
msg.error(_.ERR_CANCELLED)
temp_blob.close()
sys.exit(1)
cache_progress.clear_rows()
temp_blob.flush()
# compare the blob using multiple jobs
for (i, track) in enumerate(tracks):
track_name = audiotools.Filename(track.filename)
queue.execute(
function=image_compare_raw,
progress_text=_.LAB_TRACKCMP_CMP %
{"file1": image_name, "file2": track_name},
completion_output=(image_compare_results_tty
if msg.output_isatty()
else image_compare_results),
source_filename=temp_blob.name,
sample_rate=cd_image.sample_rate(),
channels=cd_image.channels(),
channel_mask=int(cd_image.channel_mask()),
bits_per_sample=cd_image.bits_per_sample(),
track_audiofile=track,
image_filename=str(image_name),
track_filename=str(track_name),
pcm_frames_offset=pcm_offset,
total_pcm_frames=track.total_frames())
pcm_offset += track.total_frames()
try:
if ({r[0] for r in
queue.run(options.max_processes)} != {None}):
temp_blob.close()
sys.exit(1)
except KeyboardInterrupt:
msg.error(_.ERR_CANCELLED)
temp_blob.close()
sys.exit(1)
# then delete the blob when finished
temp_blob.close()
else:
msg.output(_.USAGE_TRACKCMP_FILES)
sys.exit(1)
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