#!@PYTHON@
#
-# midi2ly.py -- LilyPond midi import script
+# msdi2ly.py -- LilyPond midi import script
#
# source file of the GNU LilyPond music typesetter
#
-# convert MIDI to LilyPond source
-#
+# (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
other converters, while leaving midi specific stuff here
'''
+import getopt
import os
+import string
import sys
-# if set, LILYPONDPREFIX must take prevalence
-# if datadir is not set, we're doing a build and LILYPONDPREFIX
-datadir = '@datadir@'
-if os.environ.has_key ('LILYPONDPREFIX') \
- or '@datadir@' == '@' + 'datadir' + '@':
+
+################################################################
+# Users of python modules should include this snippet.
+#
+libdir = '@local_lilypond_libdir@'
+if not os.path.isdir (libdir):
+ libdir = '@lilypond_libdir@'
+
+# ugh
+datadir = '@local_lilypond_datadir@'
+if os.environ.has_key ('LILYPONDPREFIX'):
datadir = os.environ['LILYPONDPREFIX']
-else:
- datadir = '@datadir@'
+ 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.append (os.path.join (datadir, 'python'))
-sys.path.append (os.path.join (datadir, 'python/out'))
+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
+
+time = 0
+reference_note = 0
+start_quant_clocks = 0
+
+duration_quant_clocks = 0
+allowed_tuplet_clocks = []
-import getopt
-import __main__
-import sys
-import string
-import midi
+################################################################
localedir = '@localedir@'
try:
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
+def identify ():
+ sys.stdout.write ('%s (GNU LilyPond) %s\n' % (program_name, program_version))
+def warranty ():
+ identify ()
+ sys.stdout.write ('''
+Copyright (c) %s by
-help_summary = _ ("Convert MIDI to LilyPond source")
+ Han-Wen Nienhuys
+ Jan Nieuwenhuizen
-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")),
- ]
+%s
+%s
+''' ( '2001--2006',
+ _('Distributed under terms of the GNU General Public License.'),
+ _('It comes with NO WARRANTY.'))
-# from lilylib import *
-import lilylib
+def progress (s):
+ errorport.write (s + '\n')
+
+def warning (s):
+ progress (_ ("warning: ") + s)
+
+def error (s):
+ progress (_ ("error: ") + s)
+ raise _ ("Exiting ... ")
+
+def system (cmd, ignore_error = 0):
+ return ly.system (cmd, ignore_error=ignore_error)
+
+def strip_extension (f, ext):
+ (p, e) = os.path.splitext (f)
+ if e == ext:
+ e = ''
+ return p + e
+
+\f
class Duration:
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 \
- or Duration.compare (self.duration, reference_note.duration):
+ ## FIXME: compile fix --jcn
+ if dump_dur and (global_options.explicit_durations \
+ or Duration.compare (self.duration,
+ reference_note.duration)):
s = s + self.duration.dump ()
- global reference_note
reference_note = self
+
# TODO: move space
return s + ' '
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)
-output_name = ''
-LINE_BELL = 60
-scale_steps = [0,2,4,5,7,9,11]
-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 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'
- lilylib.progress (_ ("%s output to `%s'...") % ('LY', o))
+ 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) = lilylib.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')
- lilylib.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':
- lilylib.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':
- lilylib.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':
- global absolute_p
- absolute_p = 1
- elif o == '--duration-quant' or o == '-d':
- global duration_quant
- duration_quant = string.atoi (a)
- elif o == '--explicit-durations' or o == '-e':
- global explicit_durations_p
- 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
- global key
- key = Key (sharps, flats, minor)
- elif o == '--start-quant' or o == '-s':
- global start_quant, start_quant_clocks
- start_quant = string.atoi (a)
- elif o == '--allow-tuplet' or o == '-t':
- global allowed_tuplets
- 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 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
-if not files or files[0] == '-':
+ return args
- # FIXME: read from stdin when files[0] = '-'
- lilylib.help ()
- errorport.write (program_name + ":" + _ ("error: ") + _ ("no files specified on command line.") + '\n')
- sys.exit (2)
+files = do_options()
for f in files:
-
g = f
- g = lilylib.strip_extension (g, '.midi')
- g = lilylib.strip_extension (g, '.mid')
- g = lilylib.strip_extension (g, '.MID')
+ g = strip_extension (g, '.midi')
+ g = strip_extension (g, '.mid')
+ g = strip_extension (g, '.MID')
(outdir, outbase) = ('','')
if not output_name:
o = output_name
(outdir, outbase) = os.path.split (o)
- if outdir != '.':
- mkdir_p (outdir, 0777)
+ if outdir != '.' and outdir != '':
+ try:
+ os.mkdir (outdir, 0777)
+ except OSError:
+ pass
convert_midi (f, o)
projects / lilypond.git / blobdiff