+################################################################
+# Users of python modules should include this snippet.
+#
+# This soon to be removed for: import lilypond.lilylib as ly
+libdir = '@local_lilypond_libdir@'
+if not os.path.isdir (libdir):
+ libdir = '@lilypond_libdir@'
+sys.path.insert (0, os.path.join (libdir, 'python'))
+
+
+################################################################
+
+import midi
+
+
+################################################################
+################ CONSTANTS
+
+
+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
+
+
+
+################################################################
+
+localedir = '@localedir@'
+try:
+ import gettext
+ gettext.bindtextdomain ('lilypond', localedir)
+ gettext.textdomain ('lilypond')
+ _ = gettext.gettext
+except:
+ def _ (s):
+ return s
+
+program_name = 'midi2ly'
+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')
+
+def progress (s):
+ errorport.write (s + '\n')
+
+def warning (s):
+ 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)
+
+
+def strip_extension (f, ext):
+ (p, e) = os.path.splitext (f)
+ if e == ext:
+ e = ''
+ return p + e
+
+################################################################
+# END Library
+################################################################
+
+\f
+
+
+class Duration:
+ allowed_durs = (1, 2, 4, 8, 16, 32, 64, 128)
+ def __init__ (self, clocks):
+ self.clocks = clocks
+ if clocks <= 0:
+ self.clocks = duration_quant_clocks
+ (self.dur, self.num, self.den) = self.dur_num_den (clocks)
+
+ def dur_num_den (self, clocks):
+ for i in range (len (allowed_tuplet_clocks)):
+ if clocks == allowed_tuplet_clocks[i]:
+ return allowed_tuplets[i]
+
+ dur = 0; num = 1; den = 1;
+ g = gcd (clocks, clocks_per_1)
+ if g:
+ (dur, num) = (clocks_per_1 / g, clocks / g)
+ if not dur in self.allowed_durs:
+ dur = 4; num = clocks; den = clocks_per_4
+ return (dur, num, den)
+
+ def dump (self):
+ if self.den == 1:
+ if self.num == 1:
+ s = '%d' % self.dur
+ elif self.num == 3 and self.dur != 1:
+ s = '%d.' % (self.dur / 2)
+ else:
+ s = '%d*%d' % (self.dur, self.num)
+ else:
+ s = '%d*%d/%d' % (self.dur, self.num, self.den)
+
+ global reference_note
+ reference_note.duration = self
+
+ return s
+
+ def compare (self, other):
+ return self.clocks - other.clocks
+
+def sign (x):
+ if x >= 0:
+ return 1
+ else:
+ return -1
+
+class Note:
+ 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
+ # hmm
+ self.clocks = clocks
+ self.duration = Duration (clocks)
+ (self.octave, self.notename, self.alteration) = self.o_n_a ()
+
+ def o_n_a (self):
+ # major scale: do-do
+ # minor scale: la-la (= + 5) '''
+
+ n = self.names[(self.pitch) % 12]
+ a = self.alterations[(self.pitch) % 12]
+
+ if a and key.flats:
+ a = - self.alterations[(self.pitch) % 12]
+ n = (n - a) % 7
+
+ # By tradition, all scales now consist of a sequence
+ # of 7 notes each with a distinct name, from amongst
+ # a b c d e f g. But, minor scales have a wide
+ # second interval at the top - the 'leading note' is
+ # sharped. (Why? it just works that way! Anything
+ # else doesn't sound as good and isn't as flexible at
+ # saying things. In medieval times, scales only had 6
+ # notes to avoid this problem - the hexachords.)
+
+ # So, the d minor scale is d e f g a b-flat c-sharp d
+ # - using d-flat for the leading note would skip the
+ # name c and duplicate the name d. Why isn't c-sharp
+ # put in the key signature? Tradition. (It's also
+ # supposedly based on the Pythagorean theory of the
+ # cycle of fifths, but that really only applies to
+ # major scales...) Anyway, g minor is g a b-flat c d
+ # e-flat f-sharp g, and all the other flat minor keys
+ # end up with a natural leading note. And there you
+ # have it.
+
+ # John Sankey <bf250@freenet.carleton.ca>
+ #
+ # Let's also do a-minor: a b c d e f gis a
+ #
+ # --jcn
+
+ o = self.pitch / 12 - 4
+
+ if key.minor:
+ # as -> gis
+ if key.sharps == 0 and key.flats == 0 \
+ and n == 5 and a == -1:
+ n = 4; a = 1
+ # des -> cis
+ elif key.flats == 1 and n == 1 and a == -1:
+ n = 0; a = 1
+ # ges -> fis
+ elif key.flats == 2 and n == 4 and a == -1:
+ n = 3; a = 1
+ # g -> fisis
+ elif key.sharps == 5 and n == 4 and a == 0:
+ n = 3; a = 2
+ # d -> cisis
+ elif key.sharps == 6 and n == 1 and a == 0:
+ n = 0; a = 2
+ # a -> gisis
+ elif key.sharps == 7 and n == 5 and a == 0:
+ n = 4; a = 2
+
+ # b -> ces
+ if key.flats >= 6 and n == 6 and a == 0:
+ n = 0; a = -1; o = o + 1
+ # e -> fes
+ if key.flats >= 7 and n == 2 and a == 0:
+ n = 3; a = -1
+
+ # f -> eis
+ if key.sharps >= 3 and n == 3 and a == 0:
+ n = 2; a = 1
+ # c -> bis
+ if key.sharps >= 4 and n == 0 and a == 0:
+ n = 6; a = 1; o = o - 1
+
+ return (o, n, a)
+
+ 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:
+ commas = self.octave
+ else:
+ delta = self.pitch - reference_note.pitch
+ commas = sign (delta) * (abs (delta) / 12)
+ if ((sign (delta) \
+ * (self.notename - reference_note.notename) + 7) \
+ % 7 >= 4) \
+ or ((self.notename == reference_note.notename) \
+ and (abs (delta) > 4) and (abs (delta) < 12)):
+ commas = commas + sign (delta)
+
+ if commas > 0:
+ s = s + "'" * commas
+ elif commas < 0:
+ s = s + "," * -commas
+
+ ## FIXME: compile fix --jcn
+ if dump_dur and (explicit_durations_p \
+ or Duration.compare (self.duration,
+ reference_note.duration)):
+ s = s + self.duration.dump ()
+
+ reference_note = self
+
+ # TODO: move space
+ return s + ' '
+
+
+class Time:
+ def __init__ (self, num, den):
+ self.clocks = 0
+ self.num = num
+ self.den = den
+
+ def bar_clocks (self):
+ return clocks_per_1 * self.num / self.den
+
+ def dump (self):
+ global time
+ time = self
+ return '\n ' + '\\time %d/%d ' % (self.num, self.den) + '\n '
+
+class Tempo:
+ def __init__ (self, seconds_per_1):
+ self.clocks = 0
+ self.seconds_per_1 = seconds_per_1
+
+ def dump (self):
+ return '\n ' + '\\tempo 4 = %d ' % (4 * 60 / self.seconds_per_1) + '\n '
+
+class Clef:
+ clefs = ('"bass_8"', 'bass', 'violin', '"violin^8"')
+ def __init__ (self, type):
+ self.type = type
+
+ def dump (self):
+ return '\n \\clef %s\n ' % self.clefs[self.type]
+
+class Key:
+ key_sharps = ('c', 'g', 'd', 'a', 'e', 'b', 'fis')
+ key_flats = ('BUG', 'f', 'bes', 'es', 'as', 'des', 'ges')
+
+ def __init__ (self, sharps, flats, minor):
+ self.clocks = 0
+ self.flats = flats
+ self.sharps = sharps
+ self.minor = minor
+
+ def dump (self):
+ global key
+ key = self
+
+ s = ''
+ if self.sharps and self.flats:
+ s = '\\keysignature %s ' % 'TODO'
+ else:
+
+ 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 not self.minor:
+ name = chr ((k + 2) % 7 + ord ('a'))
+ else:
+ name = chr ((k + 2) % 7 + ord ('a'))
+
+ # fis cis gis dis ais eis bis
+ sharps = (2, 4, 6, 1, 3, 5, 7)
+ # bes es as des ges ces fes
+ flats = (6, 4, 2, 7, 5, 3, 1)
+ a = 0
+ if self.flats:
+ if flats[k] <= self.flats:
+ a = -1
+ else:
+ if sharps[k] <= self.sharps:
+ a = 1
+
+ if a:
+ name = name + Note.alteration_names[a + 2]
+
+ s = '\\key ' + name
+ if self.minor:
+ s = s + ' \\minor'
+ else:
+ s = s + ' \\major'
+
+ return '\n\n ' + s + '\n '
+
+
+class Text:
+ text_types = (
+ 'SEQUENCE_NUMBER',
+ 'TEXT_EVENT',
+ 'COPYRIGHT_NOTICE',
+ 'SEQUENCE_TRACK_NAME',
+ 'INSTRUMENT_NAME',
+ 'LYRIC',
+ 'MARKER',
+ 'CUE_POINT',)
+
+ def __init__ (self, type, text):
+ self.clocks = 0
+ self.type = type
+ self.text = text
+
+ def dump (self):
+ # urg, we should be sure that we're in a lyrics staff
+ if self.type == midi.LYRIC:
+ s = '"%s"' % self.text
+ d = Duration (self.clocks)
+ if explicit_durations_p \
+ or Duration.compare (d,
+ reference_note.duration):
+ s = s + Duration (self.clocks).dump ()
+ s = s + ' '
+ else:
+ s = '\n % [' + self.text_types[self.type] + '] ' + self.text + '\n '
+ return s
+
+
+def split_track (track):