#!@PYTHON@
#
-# midi2ly.py -- LilyPond midi import script
+# msdi2ly.py -- LilyPond midi import script
#
# source file of the GNU LilyPond music typesetter
#
-# (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+# (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
# Jan Nieuwenhuizen <janneke@gnu.org>
'''
TODO:
* test on weird and unquantised midi input (lily-devel)
- * drop c++ midi2ly
* update doc and manpage
* simply insert clef changes whenever too many ledger lines
import string
import sys
-
+
################################################################
# Users of python modules should include this snippet.
#
-# If set, LILYPONDPREFIX must take prevalence
-# if datadir is not set, we're doing a build and LILYPONDPREFIX
+libdir = '@local_lilypond_libdir@'
+if not os.path.isdir (libdir):
+ libdir = '@lilypond_libdir@'
+
+# ugh
datadir = '@local_lilypond_datadir@'
-if not os.path.isdir (datadir):
- datadir = '@lilypond_datadir@'
-if os.environ.has_key ('LILYPONDPREFIX') :
+if os.environ.has_key ('LILYPONDPREFIX'):
datadir = os.environ['LILYPONDPREFIX']
while datadir[-1] == os.sep:
datadir= datadir[:-1]
+ libdir = datadir.replace ('/share/', '/lib/')
+
+if os.path.exists (os.path.join (datadir, 'lib/lilypond/@TOPLEVEL_VERSION@/')):
+ libdir = os.path.join (libdir, 'lib/lilypond/@TOPLEVEL_VERSION@/')
+
+if os.path.exists (os.path.join (datadir, 'lib/lilypond/current/')):
+ libdir = os.path.join (libdir, 'lib/lilypond/current/')
+
+sys.path.insert (0, os.path.join (libdir, 'python'))
+
+# dynamic relocation, for GUB binaries.
+bindir = os.path.split (sys.argv[0])[0]
+for p in ['share', 'lib']:
+ datadir = os.path.abspath (bindir + '/../%s/lilypond/current/python/' % p)
+ sys.path.insert (0, datadir)
-sys.path.insert (0, os.path.join (datadir, 'python'))
################################################################
import midi
-
+import lilylib as ly
################################################################
################ CONSTANTS
output_name = ''
LINE_BELL = 60
scale_steps = [0,2,4,5,7,9,11]
+global_options = None
+
clocks_per_1 = 1536
clocks_per_4 = 0
-key = 0
+
time = 0
reference_note = 0
-start_quant = 0
start_quant_clocks = 0
-duration_quant = 0
+
duration_quant_clocks = 0
-allowed_tuplets = []
allowed_tuplet_clocks = []
-absolute_p = 0
-explicit_durations_p = 0
-text_lyrics_p = 0
-
################################################################
def _ (s):
return s
-program_name = 'midi2ly'
+program_name = sys.argv[0]
program_version = '@TOPLEVEL_VERSION@'
errorport = sys.stderr
-verbose_p = 0
-
-# temp_dir = os.path.join (original_dir, '%s.dir' % program_name)
-# original_dir = os.getcwd ()
-# keep_temp_dir_p = 0
-
-
-help_summary = _ ("Convert MIDI to LilyPond source")
-
-option_definitions = [
- ('', 'a', 'absolute-pitches', _ ("print absolute pitches")),
- (_ ("DUR"), 'd', 'duration-quant', _ ("quantise note durations on DUR")),
- ('', 'e', 'explicit-durations', _ ("print explicit durations")),
- ('', 'h', 'help', _ ("this help")),
- (_ ("ALT[:MINOR]"), 'k', 'key', _ ("set key: ALT=+sharps|-flats; MINOR=1")),
- (_ ("FILE"), 'o', 'output', _ ("write ouput to FILE")),
- (_ ("DUR"), 's', 'start-quant', _ ("quantise note starts on DUR")),
- (_ ("DUR*NUM/DEN"), 't', 'allow-tuplet', _ ("allow tuplet durations DUR*NUM/DEN")),
- ('', 'V', 'verbose', _ ("verbose")),
- ('', 'v', 'version', _ ("print version number")),
- ('', 'w', 'warranty', _ ("show warranty and copyright")),
- ('', 'x', 'text-lyrics', _ ("treat every text as a lyric")),
- ]
-
-################################################################
-# lilylib.py -- options and stuff
-#
-# source file of the GNU LilyPond music typesetter
-
-import os
-
-try:
- import gettext
- gettext.bindtextdomain ('lilypond', localedir)
- gettext.textdomain ('lilypond')
- _ = gettext.gettext
-except:
- def _ (s):
- return s
-
-if program_version == '@' + 'TOPLEVEL_VERSION' + '@':
- program_version = '1.5.17'
def identify ():
sys.stdout.write ('%s (GNU LilyPond) %s\n' % (program_name, program_version))
def warranty ():
identify ()
- sys.stdout.write ('\n')
- sys.stdout.write (_ ('Copyright (c) %s by' % ' 2001--2002'))
- sys.stdout.write ('\n')
- sys.stdout.write (' Han-Wen Nienhuys')
- sys.stdout.write (' Jan Nieuwenhuizen')
- sys.stdout.write ('\n')
- sys.stdout.write (_ (r'''
-Distributed under terms of the GNU General Public License. It comes with
-NO WARRANTY.'''))
- sys.stdout.write ('\n')
+ sys.stdout.write ('''
+Copyright (c) %s by
+
+ Han-Wen Nienhuys
+ Jan Nieuwenhuizen
+
+%s
+%s
+''' ( '2001--2006',
+ _('Distributed under terms of the GNU General Public License.'),
+ _('It comes with NO WARRANTY.'))
+
def progress (s):
errorport.write (s + '\n')
progress (_ ("warning: ") + s)
def error (s):
-
-
- '''Report the error S. Exit by raising an exception. Please
- do not abuse by trying to catch this error. If you do not want
- a stack trace, write to the output directly.
-
- RETURN VALUE
-
- None
-
- '''
-
progress (_ ("error: ") + s)
raise _ ("Exiting ... ")
-def getopt_args (opts):
- '''Construct arguments (LONG, SHORT) for getopt from list of options.'''
- short = ''
- long = []
- for o in opts:
- if o[1]:
- short = short + o[1]
- if o[0]:
- short = short + ':'
- if o[2]:
- l = o[2]
- if o[0]:
- l = l + '='
- long.append (l)
- return (short, long)
-
-def option_help_str (o):
- '''Transform one option description (4-tuple ) into neatly formatted string'''
- sh = ' '
- if o[1]:
- sh = '-%s' % o[1]
-
- sep = ' '
- if o[1] and o[2]:
- sep = ','
-
- long = ''
- if o[2]:
- long= '--%s' % o[2]
-
- arg = ''
- if o[0]:
- if o[2]:
- arg = '='
- arg = arg + o[0]
- return ' ' + sh + sep + long + arg
-
-
-def options_help_str (opts):
- '''Convert a list of options into a neatly formatted string'''
- w = 0
- strs =[]
- helps = []
-
- for o in opts:
- s = option_help_str (o)
- strs.append ((s, o[3]))
- if len (s) > w:
- w = len (s)
-
- str = ''
- for s in strs:
- str = str + '%s%s%s\n' % (s[0], ' ' * (w - len(s[0]) + 3), s[1])
- return str
-
-def help ():
- ls = [(_ ("Usage: %s [OPTION]... FILE") % program_name),
- ('\n\n'),
- (help_summary),
- ('\n\n'),
- (_ ("Options:")),
- ('\n'),
- (options_help_str (option_definitions)),
- ('\n\n'),
- (_ ("Report bugs to %s") % 'bug-lilypond@gnu.org'),
- ('\n')]
- map (sys.stdout.write, ls)
-
-def setup_temp ():
- """
- Create a temporary directory, and return its name.
- """
- global temp_dir
- if not keep_temp_dir_p:
- temp_dir = tempfile.mktemp (program_name)
- try:
- os.mkdir (temp_dir, 0777)
- except OSError:
- pass
-
- return temp_dir
-
-
def system (cmd, ignore_error = 0):
- """Run CMD. If IGNORE_ERROR is set, don't complain when CMD returns non zero.
-
- RETURN VALUE
-
- Exit status of CMD
- """
-
- if verbose_p:
- progress (_ ("Invoking `%s\'") % cmd)
- st = os.system (cmd)
- if st:
- name = re.match ('[ \t]*([^ \t]*)', cmd).group (1)
- msg = name + ': ' + _ ("command exited with value %d") % st
- if ignore_error:
- warning (msg + ' ' + _ ("(ignored)") + ' ')
- else:
- error (msg)
-
- return st
-
-
-def cleanup_temp ():
- if not keep_temp_dir_p:
- if verbose_p:
- progress (_ ("Cleaning %s...") % temp_dir)
- shutil.rmtree (temp_dir)
-
+ return ly.system (cmd, ignore_error=ignore_error)
def strip_extension (f, ext):
(p, e) = os.path.splitext (f)
e = ''
return p + e
-################################################################
-# END Library
-################################################################
-
\f
def dur_num_den (self, clocks):
for i in range (len (allowed_tuplet_clocks)):
if clocks == allowed_tuplet_clocks[i]:
- return allowed_tuplets[i]
+ return global_options.allowed_tuplets[i]
dur = 0; num = 1; den = 1;
g = gcd (clocks, clocks_per_1)
names = (0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 5, 6)
alterations = (0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0)
alteration_names = ('eses', 'es', '', 'is' , 'isis')
-
def __init__ (self, clocks, pitch, velocity):
self.pitch = pitch
self.velocity = velocity
n = self.names[(self.pitch) % 12]
a = self.alterations[(self.pitch) % 12]
- if a and key.flats:
+ if a and global_options.key.flats:
a = - self.alterations[(self.pitch) % 12]
n = (n - a) % 7
o = self.pitch / 12 - 4
+ key = global_options.key
if key.minor:
# as -> gis
if key.sharps == 0 and key.flats == 0 \
return (o, n, a)
- def dump (self):
+ def __repr__ (self):
+ s = chr ((self.notename + 2) % 7 + ord ('a'))
+ return 'Note(%s %s)' % (s, self.duration.dump())
+
+ def dump (self, dump_dur = 1):
global reference_note
s = chr ((self.notename + 2) % 7 + ord ('a'))
s = s + self.alteration_names[self.alteration + 2]
- if absolute_p:
+ if global_options.absolute_pitches:
commas = self.octave
else:
delta = self.pitch - reference_note.pitch
elif commas < 0:
s = s + "," * -commas
- if explicit_durations_p \
+ ## FIXME: compile fix --jcn
+ if dump_dur and (global_options.explicit_durations \
or Duration.compare (self.duration,
- reference_note.duration):
+ reference_note.duration)):
s = s + self.duration.dump ()
reference_note = self
def bar_clocks (self):
return clocks_per_1 * self.num / self.den
-
+
+ def __repr__ (self):
+ return 'Time(%d/%d)' % (self.num, self.den)
+
def dump (self):
global time
time = self
self.clocks = 0
self.seconds_per_1 = seconds_per_1
+ def __repr__ (self):
+ return 'Tempo(%d)' % self.bpm ()
+
+ def bpm (self):
+ return 4 * 60 / self.seconds_per_1
+
def dump (self):
- return '\n ' + '\\tempo 4 = %d ' % (4 * 60 / self.seconds_per_1) + '\n '
+ return '\n ' + '\\tempo 4 = %d ' % (self.bpm()) + '\n '
class Clef:
clefs = ('"bass_8"', 'bass', 'violin', '"violin^8"')
def __init__ (self, type):
self.type = type
-
+
+ def __repr__ (self):
+ return 'Clef(%s)' % self.clefs[self.type]
+
def dump (self):
return '\n \\clef %s\n ' % self.clefs[self.type]
s = ''
if self.sharps and self.flats:
- s = '\\keysignature %s ' % 'TODO'
+ pass
else:
-
- if self.flats:
+ if self.flats:
k = (ord ('cfbeadg'[self.flats % 7]) - ord ('a') - 2 -2 * self.minor + 7) % 7
else:
k = (ord ('cgdaebf'[self.sharps % 7]) - ord ('a') - 2 -2 * self.minor + 7) % 7
if self.type == midi.LYRIC:
s = '"%s"' % self.text
d = Duration (self.clocks)
- if explicit_durations_p \
+ if global_options.explicit_durations \
or Duration.compare (d,
reference_note.duration):
s = s + Duration (self.clocks).dump ()
s = '\n % [' + self.text_types[self.type] + '] ' + self.text + '\n '
return s
+ def __repr__ (self):
+ return 'Text(%d=%s)' % (self.type, self.text)
+
+
def split_track (track):
chs = {}
key = k
elif e[1][1] == midi.LYRIC \
- or (text_lyrics_p and e[1][1] == midi.TEXT_EVENT):
+ or (global_options.text_lyrics and e[1][1] == midi.TEXT_EVENT):
if last_lyric:
last_lyric.clocks = t - last_time
events.append ((last_time, last_lyric))
and e[1][1] <= midi.CUE_POINT:
events.append ((t, Text (e[1][1], e[1][2])))
else:
- if verbose_p:
+ if global_options.verbose:
sys.stderr.write ("SKIP: %s\n" % `e`)
pass
else:
- if verbose_p:
+ if global_options.verbose:
sys.stderr.write ("SKIP: %s\n" % `e`)
pass
elif len (notes) > 1:
global reference_note
s = s + '<'
- s = s + notes[0].dump ()
+ s = s + notes[0].dump (dump_dur = 0)
r = reference_note
for i in notes[1:]:
- s = s + i.dump ()
+ s = s + i.dump (dump_dur = 0 )
s = s + '>'
+
+ s = s + notes[0].duration.dump() + ' '
reference_note = r
return s
if item and item.__class__ == Note:
skip = 's'
- s = s + '%s = \\notes' % (track + channel)
- if not absolute_p:
+ s = s + '%s = ' % (track + channel)
+ if not global_options.absolute_pitches:
s = s + '\\relative c '
elif item and item.__class__ == Text:
skip = '" "'
- s = s + '%s = \\lyrics ' % (track + channel)
+ s = s + '%s = \\lyricmode ' % (track + channel)
else:
skip = '\\skip '
- # must be in \notes mode for parsing \skip
- s = s + '%s = \\notes ' % (track + channel)
+ s = s + '%s = ' % (track + channel)
s = s + '{\n'
s = s + ' ' + dump_channel (channels[i][0], skip)
s = s + '}\n\n'
- s = s + '%s = <\n' % track
+ s = s + '%s = <<\n' % track
if clef.type != 2:
s = s + clef.dump () + '\n'
else:
s = s + ' \\context Voice = %s \\%s\n' % (channel,
track + channel)
- s = s + '>\n\n'
+ s = s + '>>\n\n'
return s
def thread_first_item (thread):
for chord in thread:
for event in chord:
- if event[1].__class__ == Note \
- or (event[1].__class__ == Text \
- and event[1].type == midi.LYRIC):
- return event[1]
- return 0
+ if (event[1].__class__ == Note
+ or (event[1].__class__ == Text
+ and event[1].type == midi.LYRIC)):
+
+ return event[1]
+ return None
def track_first_item (track):
for thread in track:
- return thread_first_item (thread)
+ first = thread_first_item (thread)
+ if first:
+ return first
+ return None
def guess_clef (track):
i = 0
return Clef (2)
-def convert_midi (f, o):
+def convert_midi (in_file, out_file):
global clocks_per_1, clocks_per_4, key
+ global start_quant_clocks
+ global duration_quant_clocks
+ global allowed_tuplet_clocks
- str = open (f).read ()
+ str = open (in_file).read ()
midi_dump = midi.parse (str)
-
+
clocks_per_1 = midi_dump[0][1]
clocks_per_4 = clocks_per_1 / 4
- global start_quant, start_quant_clocks
- if start_quant:
- start_quant_clocks = clocks_per_1 / start_quant
+ if global_options.start_quant:
+ start_quant_clocks = clocks_per_1 / global_options.start_quant
- global duration_quant, duration_quant_clocks
- if duration_quant:
- duration_quant_clocks = clocks_per_1 / duration_quant
+ if global_options.duration_quant:
+ duration_quant_clocks = clocks_per_1 / global_options.duration_quant
- global allowed_tuplet_clocks
allowed_tuplet_clocks = []
- for (dur, num, den) in allowed_tuplets:
+ for (dur, num, den) in global_options.allowed_tuplets:
allowed_tuplet_clocks.append (clocks_per_1 * num / (dur * den))
tracks = []
tag = '%% Lily was here -- automatically converted by %s from %s' % ( program_name, f)
+
s = ''
- s = tag + '\n\n'
+ s = tag + '\n\\version "2.7.18"\n\n'
for i in range (len (tracks)):
s = s + dump_track (tracks[i], i)
- s = s + '\n\\score {\n <\n'
- for i in range (len (tracks)):
+ s = s + '\n\\score {\n <<\n'
+
+ i = 0
+ for t in tracks:
track = track_name (i)
- item = track_first_item (tracks[i])
+ item = track_first_item (t)
+
if item and item.__class__ == Note:
s = s + ' \\context Staff=%s \\%s\n' % (track, track)
elif item and item.__class__ == Text:
s = s + ' \\context Lyrics=%s \\%s\n' % (track, track)
- s = s + ' >\n}\n'
+
+ i += 1
+ s = s + ' >>\n}\n'
progress (_ ("%s output to `%s'...") % ('LY', o))
if o == '-':
- h = sys.stdout
+ handle = sys.stdout
else:
- h = open (o, 'w')
+ handle = open (out_file, 'w')
+
+ handle.write (s)
+ handle.close ()
+
+
+def get_option_parser ():
+ p = ly.get_option_parser (usage='midi2ly [OPTIONS] FILE',
+ version="midi2ly (LilyPond) @TOPLEVEL_VERSION@",
+ description=_('''Convert MIDI to LilyPond source.'''))
+
+ p.add_option ('-a', '--absolute-pitches',
+ action='store_true',
+ help=_ ("print absolute pitches"))
+ p.add_option ('-d', '--duration-quant',
+ metavar= _("DUR"),
+ help=_("quantise note durations on DUR"))
+ p.add_option ('-e', '--explicit-durations',
+ action='store_true',
+ help=_ ("print explicit durations"))
+ p.add_option('-k', '--key', help=_ ("set key: ALT=+sharps|-flats; MINOR=1"),
+ metavar=_ ("ALT[:MINOR]"),
+ default='0'),
+ p.add_option ('-o', '--output', help=_("write output to FILE"),
+ metavar=_("FILE"),
+ action='store')
+ p.add_option ('-s', '--start-quant',help= _ ("quantise note starts on DUR"),
+ metavar=_ ("DUR"))
+ p.add_option ('-t', '--allow-tuplet',
+ metavar=_ ("DUR*NUM/DEN"),
+ action = "append",
+ dest="allowed_tuplets",
+ help=_ ("allow tuplet durations DUR*NUM/DEN"),
+ default=[])
+ p.add_option ('-V', '--verbose', help=_ ("be verbose"),
+ action='store_true',
+ ),
+ p.add_option ('-w', '--warranty', help=_ ("show warranty"),
+ action='store_true',
+ ),
+ p.add_option ('-x', '--text-lyrics', help=_("treat every text as a lyric"),
+ action='store_true')
+
+ p.add_option_group (_ ("example"),
+ description = r'''
+ midi2ly --key=-2:1 --duration-quant=32 \
+ --allow-tuplet=4*2/3 --allow-tuplet=2*4/3 foo.midi
+''')
+
+ p.add_option_group ('bugs',
+ description='''Report bugs via http://post.gmane.org/post.php'''
+ '''?group=gmane.comp.gnu.lilypond.bugs\n''')
+
+ return p
- h.write (s)
- h.close ()
-(sh, long) = getopt_args (option_definitions)
-try:
- (options, files) = getopt.getopt(sys.argv[1:], sh, long)
-except getopt.error, s:
- errorport.write ('\n')
- errorport.write (_ ("error: ") + _ ("getopt says: `%s\'" % s))
- errorport.write ('\n')
- errorport.write ('\n')
- help ()
- sys.exit (2)
-
-for opt in options:
- o = opt[0]
- a = opt[1]
+def do_options ():
+ opt_parser = get_option_parser()
+ (options, args) = opt_parser.parse_args ()
- if 0:
- pass
- elif o == '--help' or o == '-h':
- help ()
- errorport.write ('\n')
- errorport.write (_ ("Example:"))
- errorport.write (r'''
- midi2ly --key=-2:1 --duration-quant=32 \
- --allow-tuplet=4*2/3 --allow-tuplet=2*4/3 foo.midi
-''')
- sys.exit (0)
- elif o == '--output' or o == '-o':
- output_name = a
- elif o == '--verbose' or o == '-V':
- verbose_p = 1
- elif o == '--version' or o == '-v':
- identify ()
- sys.exit (0)
- elif o == '--warranty' or o == '-w':
- status = system ('lilypond -w', ignore_error = 1)
- if status:
- warranty ()
- sys.exit (0)
+ if not args or args[0] == '-':
+ opt_parser.print_help ()
+ sys.stderr.write ('\n%s: %s %s\n' % (program_name, _ ("error: "),
+ _ ("no files specified on command line.")))
+ sys.exit (2)
+ if options.duration_quant:
+ options.duration_quant = string.atoi (options.duration_quant)
- elif o == '--absolute-pitches' or o == '-a':
- absolute_p = 1
- elif o == '--duration-quant' or o == '-d':
- duration_quant = string.atoi (a)
- elif o == '--explicit-durations' or o == '-e':
- explicit_durations_p = 1
- elif o == '--key' or o == '-k':
- (alterations, minor) = map (string.atoi, string.split (a + ':0', ':'))[0:2]
+ if options.warranty:
+ warranty ()
+ sys.exit (0)
+ if 1:
+ (alterations, minor) = map (string.atoi, string.split (options.key + ':0', ':'))[0:2]
sharps = 0
flats = 0
if alterations >= 0:
sharps = alterations
else:
flats = - alterations
- key = Key (sharps, flats, minor)
- elif o == '--start-quant' or o == '-s':
- start_quant = string.atoi (a)
- elif o == '--allow-tuplet' or o == '-t':
- a = string.replace (a, '/', '*')
- tuplet = map (string.atoi, string.split (a, '*'))
- allowed_tuplets.append (tuplet)
- # lots of midi files use plain text for lyric events
- elif o == '--text-lyrics' or o == '-x':
- text_lyrics_p = 1
+ options.key = Key (sharps, flats, minor)
-if not files or files[0] == '-':
+
+ if options.start_quant:
+ options.start_quant = string.atoi (a)
+
+ options.allowed_tuplets = [map (string.atoi, a.replace ('/','*').split ('*'))
+ for a in options.allowed_tuplets]
+
+ global global_options
+ global_options = options
- # FIXME: read from stdin when files[0] = '-'
- help ()
- errorport.write (program_name + ":" + _ ("error: ") + _ ("no files specified on command line.") + '\n')
- sys.exit (2)
+ return args
-for f in files:
+files = do_options()
+for f in files:
g = f
g = strip_extension (g, '.midi')
g = strip_extension (g, '.mid')