/usr/bin/trackrename is in audiotools 3.1.1-1build1.
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 audiotools
import audiotools.ui
import os.path
import shutil
import termios
import audiotools.text as _
from audiotools import PY3
if audiotools.ui.AVAILABLE:
urwid = audiotools.ui.urwid
class Trackrename(urwid.Pile):
def __init__(self, audio_tracks, format_string):
"""audio_tracks is a list of AudioFile objects
format_string is a formatting string"""
assert(isinstance(format_string, str))
for t in audio_tracks:
assert(isinstance(t, audiotools.AudioFile))
self.__cancelled__ = True
self.audio_tracks = audio_tracks
# setup a previous/finish button set
metadata_buttons = urwid.Filler(
urwid.Columns(
widget_list=[('weight', 1,
urwid.Button(_.LAB_CANCEL_BUTTON,
on_press=self.exit)),
('weight', 2,
urwid.Button(_.LAB_TRACKRENAME_RENAME,
on_press=self.apply))],
dividechars=3,
focus_column=1))
# setup a widget with an output preview
self.track_previews = [urwid.Text(u"") for t in audio_tracks]
self.output_tracks_list = urwid.ListBox(
self.track_previews)
self.output_tracks_frame = urwid.Frame(
body=self.output_tracks_list)
self.invalid_output_format = urwid.Filler(
urwid.Text(_.ERR_INVALID_FILENAME_FORMAT,
align="center"))
# setup a widget with the rename template
output_format = urwid.Edit(
edit_text=(format_string if PY3 else
format_string.decode('utf-8')),
wrap='clip')
urwid.connect_signal(output_format,
'change',
self.format_changed,
audio_tracks)
browse_fields = audiotools.ui.BrowseFields(output_format)
template_row = urwid.Columns(
[('fixed', 10,
urwid.Text(('label',
u"%s : " %
(_.LAB_OPTIONS_FILENAME_FORMAT)),
align="right")),
('weight', 1, output_format),
('fixed', 10, browse_fields)])
# perform initial data population
self.format_changed(output_format,
format_string,
audio_tracks)
urwid.Pile.__init__(
self,
[('fixed', 3, urwid.LineBox(urwid.Filler(template_row))),
('weight', 1,
urwid.LineBox(self.output_tracks_frame,
title=_.LAB_OPTIONS_OUTPUT_FILES)),
('fixed', 1, metadata_buttons)])
def apply(self, button):
if not self.has_errors:
self.__cancelled__ = False
raise urwid.ExitMainLoop()
def exit(self, button):
self.__cancelled__ = True
raise urwid.ExitMainLoop()
def cancelled(self):
return self.__cancelled__
def handle_text(self, i):
if i == 'esc':
self.exit(None)
def format_changed(self, widget, new_value, audio_tracks):
try:
# generate list of Filename objects
# from list of AudioFile objects
format_string = new_value if PY3 else new_value.encode("UTF-8")
self.output_filenames = [
audiotools.Filename(
track.__class__.track_name(
file_path=track.filename,
track_metadata=track.get_metadata(),
format=format_string))
for track in audio_tracks]
# and populate output files list
for (path, preview) in zip(self.output_filenames,
self.track_previews):
preview.set_text(path.__unicode__())
if ((self.output_tracks_frame.get_body() is not
self.output_tracks_list)):
self.output_tracks_frame.set_body(
self.output_tracks_list)
self.has_errors = False
except (audiotools.UnsupportedTracknameField,
audiotools.InvalidFilenameFormat):
# invalid filename string
if ((self.output_tracks_frame.get_body() is not
self.invalid_output_format)):
self.output_tracks_frame.set_body(
self.invalid_output_format)
self.has_errors = True
def to_rename(self):
"""yields (old_name, new_name) tuples
where old_name and new_name differ
and the names are Filename objects"""
if not self.has_errors:
for (old_name,
new_name) in zip([audiotools.Filename(t.filename)
for t in self.audio_tracks],
self.output_filenames):
if old_name != new_name:
yield (old_name, new_name)
if (__name__ == '__main__'):
import argparse
parser = argparse.ArgumentParser(description=_.DESCRIPTION_TRACKRENAME)
parser.add_argument("--version",
action="version",
version="Python Audio Tools %s" % (audiotools.VERSION))
parser.add_argument("-I", "--interactive",
action="store_true",
default=False,
dest="interactive",
help=_.OPT_INTERACTIVE_OPTIONS)
parser.add_argument("-V", "--verbose",
dest="verbosity",
choices=audiotools.VERBOSITY_LEVELS,
default=audiotools.DEFAULT_VERBOSITY,
help=_.OPT_VERBOSE)
parser.add_argument('--format',
default=audiotools.FILENAME_FORMAT,
dest='format',
help=_.OPT_FORMAT)
parser.add_argument("filenames",
metavar="FILENAME",
nargs="+",
help=_.OPT_INPUT_FILENAME)
options = parser.parse_args()
msg = audiotools.Messenger(options.verbosity == "quiet")
# ensure interactive mode is available, if selected
if options.interactive and (not audiotools.ui.AVAILABLE):
audiotools.ui.not_available_message(msg)
sys.exit(1)
try:
audiofiles = audiotools.open_files(options.filenames,
messenger=msg,
no_duplicates=True)
except audiotools.DuplicateFile as err:
msg.error(_.ERR_DUPLICATE_FILE % (err.filename,))
sys.exit(1)
if len(audiofiles) < 1:
msg.error(_.ERR_FILES_REQUIRED)
sys.exit(1)
# get a set of files to be renamed
# and generate an error if a duplicate occurs
renamed_filenames = {audiotools.Filename(t.filename) for t in audiofiles}
if options.interactive:
widget = Trackrename(audio_tracks=audiofiles,
format_string=options.format)
#audio_class=audiofiles[0].__class__,
#format_string=options.format,
#input_filenames=[audiotools.Filename(t.filename) for t in
# audiofiles],
#metadatas=[t.get_metadata() for t in audiofiles])
loop = audiotools.ui.urwid.MainLoop(
widget,
audiotools.ui.style(),
screen=audiotools.ui.Screen(),
unhandled_input=widget.handle_text,
pop_ups=True)
try:
loop.run()
msg.ansi_clearscreen()
except (termios.error, IOError):
msg.error(_.ERR_TERMIOS_ERROR)
msg.info(_.ERR_TERMIOS_SUGGESTION)
msg.info(audiotools.ui.xargs_suggestion(sys.argv))
sys.exit(1)
if not widget.cancelled():
to_rename = list(widget.to_rename())
else:
sys.exit(0)
else:
to_rename = [] # a (old_name, new_name) tuple
try:
for track in audiofiles:
original_filename = audiotools.Filename(track.filename)
new_filename = audiotools.Filename(
os.path.join(
os.path.dirname(track.filename),
track.track_name(file_path=track.filename,
track_metadata=track.get_metadata(),
format=options.format)))
if new_filename != original_filename:
if new_filename not in renamed_filenames:
renamed_filenames.add(new_filename)
to_rename.append((original_filename, new_filename))
else:
msg.error(_.ERR_DUPLICATE_OUTPUT_FILE %
(new_filename,))
sys.exit(1)
except audiotools.UnsupportedTracknameField as err:
err.error_msg(msg)
sys.exit(1)
except audiotools.InvalidFilenameFormat as err:
msg.error(err)
sys.exit(1)
# create subdirectories for renamed files if necessary
for (original_filename, new_filename) in to_rename:
try:
audiotools.make_dirs(str(new_filename))
except OSError as err:
msg.os_error(err)
sys.exit(1)
# perform the actual renaming itself
for (i, (original_filename, new_filename)) in enumerate(to_rename):
try:
shutil.move(str(original_filename), str(new_filename))
msg.info(
audiotools.output_progress(
_.LAB_ENCODE % {"source": original_filename,
"destination": new_filename},
i + 1, len(to_rename)))
except IOError as err:
msg.error(_.ERR_RENAME %
{"source": original_filename,
"target": new_filename})
sys.exit(1)
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