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#!@TARGET_PYTHON@
# Copyright (c) 2006--2020 Brailcom, o.p.s.
#
# Author: Milan Zamazal <[email protected]>
#
# This file is part of LilyPond, the GNU music typesetter.
#
# LilyPond 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.
#
# LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
import codecs
import optparse
import os
import subprocess
import sys
import tempfile
"""
@relocate-preamble@
"""
FESTIVAL_COMMAND = ['festival', '--pipe']
VOICE_CODINGS = {'voice_czech_ph': 'iso-8859-2'}
_USAGE = """lilysong [-p PLAY-PROGRAM] FILE.xml [LANGUAGE-CODE-OR-VOICE [SPEEDUP]]
lilysong FILE.ly [LANGUAGE-CODE-OR-VOICE]
lilysong --list-voices
lilysong --list-languages
"""
def usage():
print('Usage:', _USAGE)
sys.exit(2)
def process_options(args):
parser = optparse.OptionParser(usage=_USAGE, version="@TOPLEVEL_VERSION@")
parser.add_option('', '--list-voices', action='store_true', dest='list_voices',
help="list available Festival voices")
parser.add_option('', '--list-languages', action='store_true', dest='list_languages',
help="list available Festival languages")
parser.add_option('-p', '--play-program', metavar='PROGRAM',
action='store', type='string', dest='play_program',
help="use PROGRAM to play song immediately")
options, args = parser.parse_args(args)
return options, args
def call_festival(scheme_code):
p = subprocess.Popen(FESTIVAL_COMMAND, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, close_fds=True)
p.stdin.write(scheme_code)
p.stdin.close()
answer = ''
while True:
process_output = p.stdout.read()
if not process_output:
break
answer = answer + process_output
return answer
def select_voice(language_or_voice):
if language_or_voice[:6] == 'voice_':
voice = language_or_voice
else:
voice = call_festival('''
(let ((candidates '()))
(mapcar (lambda (v)
(if (eq (cadr (assoc 'language (cadr (voice.description v)))) '%s)
(set! candidates (cons v candidates))))
(append (voice.list) (mapcar car Voice_descriptions)))
(if candidates
(format t "voice_%%s" (car candidates))
(format t "nil")))
''' % (language_or_voice,))
if voice == 'nil':
voice = None
return voice
def list_voices():
print(call_festival('''
(let ((voices (voice.list))
(print-voice (lambda (v) (format t "voice_%s\n" v))))
(mapcar print-voice voices)
(mapcar (lambda (v) (if (not (member v voices)) (print-voice v)))
(mapcar car Voice_descriptions)))
'''))
def list_languages():
print(call_festival('''
(let ((languages '()))
(let ((voices (voice.list))
(print-language (lambda (v)
(let ((language (cadr (assoc 'language (cadr (voice.description v))))))
(if (and language (not (member language languages)))
(begin
(set! languages (cons language languages))
(print language)))))))
(mapcar print-language voices)
(mapcar (lambda (v) (if (not (member v voices)) (print-language v)))
(mapcar car Voice_descriptions))))
'''))
def process_xml_file(file_name, voice, speedup, play_program):
if speedup == 1:
speedup = None
coding = (VOICE_CODINGS.get(voice) or 'iso-8859-1')
_, xml_temp_file = tempfile.mkstemp('.xml')
try:
# recode the XML file
recodep = (coding != 'utf-8')
if recodep:
decode = codecs.getdecoder('utf-8')
encode = codecs.getencoder(coding)
input = open(file_name, encoding='utf8')
output = open(xml_temp_file, 'w', encoding='utf8')
while True:
data = input.read()
if not data:
break
if recodep:
data = encode(decode(data)[0])[0]
output.write(data)
output.close()
# synthesize
wav_file = file_name[:-3] + 'wav'
if speedup:
_, wav_temp_file = tempfile.mkstemp('.wav')
else:
wav_temp_file = wav_file
try:
print("text2wave -eval '(%s)' -mode singing '%s' -o '%s'" %
(voice, xml_temp_file, wav_temp_file,))
result = os.system("text2wave -eval '(%s)' -mode singing '%s' -o '%s'" %
(voice, xml_temp_file, wav_temp_file,))
if result:
sys.stdout.write("Festival processing failed.\n")
return
if speedup:
result = os.system("sox '%s' '%s' speed '%f'" %
(wav_temp_file, wav_file, speedup,))
if result:
sys.stdout.write("Festival processing failed.\n")
return
finally:
if speedup:
try:
os.delete(wav_temp_file)
except OSError:
pass
sys.stdout.write("%s created.\n" % (wav_file,))
# play
if play_program:
os.system("%s '%s' >/dev/null" % (play_program, wav_file,))
finally:
try:
os.delete(xml_temp_file)
except OSError:
pass
def process_ly_file(file_name, voice):
result = os.system("lilypond '%s'" % (file_name,))
if result:
return
xml_file = None
for f in os.listdir(os.path.dirname(file_name) or '.'):
if (f[-4:] == '.xml' and
(not xml_file or os.stat.st_mtime(f) > os.stat.st_mtime(xml_file))):
xml_file = f
if xml_file:
process_xml_file(xml_file, voice, None, None)
else:
sys.stderr.write("No XML file found\n")
def go():
options, args = process_options(sys.argv[1:])
if options.list_voices:
list_voices()
elif options.list_languages:
list_languages()
else:
arglen = len(args)
if arglen < 1:
usage()
file_name = args[0]
if arglen > 1:
language_or_voice = args[1]
voice = select_voice(language_or_voice)
else:
voice = None
if file_name[-3:] == '.ly':
if arglen > 2:
usage()
process_ly_file(file_name, voice)
else:
if arglen > 3:
usage()
elif arglen == 3:
try:
speedup = float(args[2])
except ValueError:
usage()
else:
speedup = None
process_xml_file(file_name, voice, speedup, options.play_program)
if __name__ == '__main__':
go()
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