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#!/usr/bin/env python
"""A program to show CD information."""
#
# Copyright (C) 2006, 2008, 2013 Rocky Bernstein <rocky@gnu.org>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import os, sys
libdir = os.path.join(os.path.dirname(__file__), '..')
if libdir[-1] != os.path.sep:
libdir += os.path.sep
sys.path.insert(0, libdir)
import pycdio
import cdio
if sys.argv[1:]:
try:
d = cdio.Device(sys.argv[1])
except IOError:
print("Problem opening CD-ROM: %s" % sys.argv[1])
sys.exit(1)
else:
try:
d = cdio.Device(driver_id=pycdio.DRIVER_UNKNOWN)
except IOError:
print("Problem finding a CD-ROM")
sys.exit(1)
t = d.get_first_track()
if t is None:
print("Problem getting first track")
sys.exit(2)
first_track = t.track
num_tracks = d.get_num_tracks()
last_track = first_track+num_tracks-1
try:
last_session = d.get_last_session()
print("CD-ROM %s has %d track(s) and %d session(s)." % \
(d.get_device(), d.get_num_tracks(), last_session))
except cdio.DriverUnsupportedError:
print("CD-ROM %s has %d track(s). " % (d.get_device(), d.get_num_tracks()))
print("Track format is %s." % d.get_disc_mode())
mcn = d.get_mcn()
if mcn:
print("Media Catalog Number: %s" % mcn)
print("%3s: %-6s %s" % ("#", "LSN", "Format"))
i=first_track
while (i <= last_track):
try:
t = d.get_track(i)
print("%3d: %06lu %-6s %s" % (t.track, t.get_lsn(),
t.get_msf(), t.get_format()))
except cdio.TrackError:
pass
i += 1
print("%3X: %06lu leadout" \
% (pycdio.CDROM_LEADOUT_TRACK, d.get_disc_last_lsn()))
# check first track LSN
t = d.get_track(1)
lsn = t.get_lsn()
if lsn > 100:
# cd-info simple heuristic, ideally use cdio_guess_cd_type
print('\nHidden Track') # see http://en.wikipedia.org/wiki/Hidden_Track
d.close()
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