def convert_book(input_file, output_dir, ebookconvert_exe, extension):
output_file_name, _ = os.path.splitext(os.path.basename(input_file))
output_file = os.path.join(output_dir,
output_file_name + '.' + extension)
command = ebookconvert_exe
command += ' "%s"' % sanitize_file_path_for_shell(input_file)
command += ' "%s"' % sanitize_file_path_for_shell(output_file)
print('Calling: %s' % command)
exit_code = subprocess.call(command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
def transcode_file(input_file, output_dir, opusenc_exe, bitrate):
output_file_name, _ = os.path.splitext(os.path.basename(input_file))
output_file = os.path.join(output_dir, output_file_name + '.opus')
# Transcoding flac to opus via opusenc.
command = '%s --bitrate %s --discard-pictures ' % (opusenc_exe,
bitrate)
command += '"%s" "%s"' % (sanitize_file_path_for_shell(input_file),
sanitize_file_path_for_shell(output_file))
print('Calling: %s' % command)
exit_code = subprocess.call(command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
def transcode_file(input_file, output_dir, copy_tags, flac_exe, lame_exe,
metaflac_exe, quality):
output_file_name, _ = os.path.splitext(os.path.basename(input_file))
output_file = os.path.join(output_dir, output_file_name + '.mp3')
# Piping flac's output into lame leads to a file with no tags at all.
# Get all relevant tags from the source file beforehand if they should be copied.
if copy_tags:
tag_artist = normalize_tag(
get_tag(metaflac_exe, input_file, 'ARTIST'))
tag_title = normalize_tag(
get_tag(metaflac_exe, input_file, 'TITLE'))
tag_track_number = normalize_tag(
get_tag(metaflac_exe, input_file, 'TRACKNUMBER'))
tag_album = normalize_tag(
get_tag(metaflac_exe, input_file, 'ALBUM'))
tag_date = normalize_tag(get_tag(metaflac_exe, input_file, 'DATE'))
tag_genre = normalize_tag(
get_tag(metaflac_exe, input_file, 'GENRE'))
tag_disk = normalize_tag(
get_tag(metaflac_exe, input_file, 'DISCNUMBER'))
else:
tag_artist = ''
tag_title = ''
tag_track_number = ''
tag_album = ''
tag_date = ''
tag_genre = ''
tag_disk = ''
# Transcode by piping flac' output into the lame encoder.
command = '%s -c -d "%s" |' % (
flac_exe, sanitize_file_path_for_shell(input_file))
command += ' %s -%s' % (lame_exe, quality)
if copy_tags:
command += ' --add-id3v2 --pad-id3v2 --ignore-tag-errors'
command += ' --ta "%s"' % sanitize_file_path_for_shell(tag_artist)
command += ' --tt "%s"' % sanitize_file_path_for_shell(tag_title)
command += ' --tn "%s"' % sanitize_file_path_for_shell(
tag_track_number)
command += ' --tl "%s"' % sanitize_file_path_for_shell(tag_album)
command += ' --tg "%s"' % sanitize_file_path_for_shell(tag_genre)
command += ' --ty "%s"' % sanitize_file_path_for_shell(tag_date)
command += ' --tv "TPOS=%s"' % sanitize_file_path_for_shell(
tag_disk)
command += ' - "%s"' % sanitize_file_path_for_shell(output_file)
print('Calling: %s' % command)
exit_code = subprocess.call(command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
def transcode_file(input_file, output_dir, ffmpeg_exe, extension,
other_args):
output_file_name, _ = os.path.splitext(os.path.basename(input_file))
output_file = os.path.join(output_dir,
output_file_name + '.' + extension)
command = ffmpeg_exe
command += ' -i "%s"' % sanitize_file_path_for_shell(input_file)
if len(other_args) > 0:
command += ' %s' % other_args
command += ' "%s"' % sanitize_file_path_for_shell(output_file)
print('Calling: %s' % command)
exit_code = subprocess.call(command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
def upload_files(input_file, scp_exe, username, server_address, remote_path):
command = scp_exe
command += ' -r'
command += ' -o StrictHostKeyChecking=no'
command += ' "%s"' % sanitize_file_path_for_shell(input_file)
command += ' %s@%s:%s' % (username, server_address, remote_path)
print('Calling: %s' % command)
exit_code = subprocess.call(command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
def test_sanitize_file_path_for_shell():
input_string = '$ABC "def" `ghi`'
output_string = sanitize_file_path_for_shell(file_path=input_string)
assert ('\\$' in input_string) is False
assert ('\\$' in output_string) is True
assert ('\\"' in input_string) is False
assert ('\\"' in output_string) is True
assert ('\\`' in input_string) is False
assert ('\\`' in output_string) is True
def reencode_file(input_file, output_dir, copy_tags, flac_exe,
metaflac_exe, compression):
output_file_name, _ = os.path.splitext(os.path.basename(input_file))
output_wav_file = os.path.join(output_dir, output_file_name + '.wav')
output_flac_file = os.path.join(output_dir, output_file_name + '.flac')
# Decoding flac to wav leads to the tags getting deleted.
# Get all relevant tags from the source file beforehand if they should be copied.
if copy_tags:
tag_artist = normalize_tag(
get_tag(metaflac_exe, input_file, 'ARTIST'))
tag_title = normalize_tag(
get_tag(metaflac_exe, input_file, 'TITLE'))
tag_track_number = normalize_tag(
get_tag(metaflac_exe, input_file, 'TRACKNUMBER'))
tag_track_total = normalize_tag(
get_tag(metaflac_exe, input_file, 'TRACKTOTAL'))
tag_album = normalize_tag(
get_tag(metaflac_exe, input_file, 'ALBUM'))
tag_date = normalize_tag(get_tag(metaflac_exe, input_file, 'DATE'))
tag_genre = normalize_tag(
get_tag(metaflac_exe, input_file, 'GENRE'))
tag_disk = normalize_tag(
get_tag(metaflac_exe, input_file, 'DISCNUMBER'))
tag_disk_total = normalize_tag(
get_tag(metaflac_exe, input_file, 'DISCTOTAL'))
else:
tag_artist = ''
tag_title = ''
tag_track_number = ''
tag_track_total = ''
tag_album = ''
tag_date = ''
tag_genre = ''
tag_disk = ''
tag_disk_total = ''
# Decode the flac file into a temporary wav file.
decode_command = '%s -d "%s" -o "%s"' % (
flac_exe, sanitize_file_path_for_shell(input_file),
sanitize_file_path_for_shell(output_wav_file))
print('Calling: %s' % decode_command)
exit_code = subprocess.call(decode_command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
# Encode the wav file into flac, passing the tags.
encode_command = '%s ' % flac_exe
encode_command += '"%s" ' % sanitize_file_path_for_shell(
output_wav_file)
encode_command += '%s ' % compression
encode_command += '-o "%s" ' % sanitize_file_path_for_shell(
output_flac_file)
if copy_tags:
encode_command += '--tag=ARTIST="%s" ' % tag_artist
encode_command += '--tag=TITLE="%s" ' % tag_title
encode_command += '--tag=TRACKNUMBER="%s" ' % tag_track_number
encode_command += '--tag=TRACKTOTAL="%s" ' % tag_track_total
encode_command += '--tag=ALBUM="%s" ' % tag_album
encode_command += '--tag=DATE="%s" ' % tag_date
encode_command += '--tag=GENRE="%s" ' % tag_genre
encode_command += '--tag=DISCNUMBER="%s" ' % tag_disk
encode_command += '--tag=DISCTOTAL="%s" ' % tag_disk_total
print('Calling: %s' % encode_command)
exit_code = subprocess.call(encode_command, shell=True)
if exit_code > 0:
sys.exit(exit_code)
# Delete the temporary wav file.
os.remove(output_wav_file)