#!@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
'''
import getopt
-import __main__
-import sys
+import os
import string
+import sys
-sys.path.append ('@datadir@/python')
-sys.path.append ('@datadir@/buildscripts/out')
-sys.path.append ('@datadir@/modules/out')
+
+################################################################
+# Users of python modules should include this snippet.
+#
+libdir = '@local_lilypond_libdir@'
+if not os.path.isdir (libdir):
+ libdir = '@lilypond_libdir@'
+
+# ugh
+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'))
+
+################################################################
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.bindtextdomain ('lilypond', localedir)
gettext.textdomain ('lilypond')
_ = gettext.gettext
except:
def _ (s):
return s
-# Attempt to fix problems with limited stack size set by Python!
-# Sets unlimited stack size. Note that the resource module only
-# is available on UNIX.
-try:
- import resource
- resource.setrlimit (resource.RLIMIT_STACK, (-1, -1))
-except:
- pass
+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
+
-program_name = 'midi2ly [experimental]'
-package_name = 'lilypond'
-help_summary = _ ("Convert MIDI to LilyPond source")
+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")),
+ ('', 'h', 'help', _ ("print this help")),
(_ ("ALT[:MINOR]"), 'k', 'key', _ ("set key: ALT=+sharps|-flats; MINOR=1")),
- (_ ("FILE"), 'o', 'output', _ ("write ouput to FILE")),
+ (_ ("FILE"), 'o', 'output', _ ("write output 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', 'verbose', _ ("be verbose")),
('', 'v', 'version', _ ("print version number")),
('', 'w', 'warranty', _ ("show warranty and copyright")),
('', 'x', 'text-lyrics', _ ("treat every text as a lyric")),
]
-from lilylib import *
+################################################################
+# 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--2006')
+ sys.stdout.write ('\n')
+ sys.stdout.write (' Han-Wen Nienhuys')
+ sys.stdout.write (' Jan Nieuwenhuizen')
+ sys.stdout.write ('\n\n')
+ sys.stdout.write (_ ("Distributed under terms of the GNU General Public License."))
+ sys.stdout.write (_ ("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 [OPTIONS]... FILE") % program_name),
+ ('\n\n'),
+ (help_summary),
+ ('\n\n'),
+ (_ ("Options:")),
+ ('\n'),
+ (options_help_str (option_definitions)),
+ ('\n\n'),
+ (_ ("Report bugs via %s.") %
+ "http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs"),
+ ('\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:
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
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:
else:
delta = self.pitch - reference_note.pitch
commas = sign (delta) * (abs (delta) / 12)
- if (sign (delta) \
- * (self.notename - reference_note.notename) + 7) \
- % 7 >= 4:
+ 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:
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 (explicit_durations_p \
+ 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
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 = {}
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 t - last_bar_t == bar_t:
s = '|\n %% %d\n ' % bar_count
- last_bar_t = t
+ last_bar_t = t
+ else:
+ # urg, this will barf at meter changes
+ last_bar_t = last_bar_t + (t - last_bar_t) / bar_t * bar_t
+
return (s, last_bar_t, bar_count)
if item and item.__class__ == Note:
skip = 's'
- s = s + '%s = \\notes' % (track + channel)
+ s = s + '%s = ' % (track + channel)
if not absolute_p:
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, start_quant_clocks
+ global duration_quant, 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
- global duration_quant, duration_quant_clocks
if duration_quant:
duration_quant_clocks = clocks_per_1 / duration_quant
- global allowed_tuplet_clocks
allowed_tuplet_clocks = []
for (dur, num, den) in allowed_tuplets:
allowed_tuplet_clocks.append (clocks_per_1 * num / (dur * den))
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')
- h.write (s)
- h.close ()
+ handle.write (s)
+ handle.close ()
-(sh, long) = getopt_args (__main__.option_definitions)
+(sh, long) = getopt_args (option_definitions)
try:
(options, files) = getopt.getopt(sys.argv[1:], sh, long)
except getopt.error, s:
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]
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)
for f in files:
-
g = f
g = strip_extension (g, '.midi')
g = strip_extension (g, '.mid')
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)