#!@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--2005 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 os
-import sys
import getopt
-import sys
+import os
import string
+import sys
+
+################################################################
+# Users of python modules should include this snippet.
+#
+libdir = '@local_lilypond_libdir@'
+if not os.path.isdir (libdir):
+ libdir = '@lilypond_libdir@'
-# do fuddling: we must load the midi module from the right directory.
-datadir = '@local_package_datadir@'
+# ugh
if os.environ.has_key ('LILYPONDPREFIX'):
datadir = os.environ['LILYPONDPREFIX']
-else:
- datadir = '@local_package_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'))
-sys.path.append (os.path.join (datadir, 'python'))
-sys.path.append (os.path.join (datadir, 'python/out'))
+################################################################
import midi
+
################################################################
################ CONSTANTS
def _ (s):
return s
-program_name = 'midi2ly'
+program_name = sys.argv[0]
program_version = '@TOPLEVEL_VERSION@'
errorport = sys.stderr
# keep_temp_dir_p = 0
-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")),
def warranty ():
identify ()
sys.stdout.write ('\n')
- sys.stdout.write (_ ('Copyright (c) %s by' % ' 2001--2002'))
+ sys.stdout.write (_ ('Copyright (c) %s by') % ' 2001--2005')
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\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):
if o[1]:
sh = '-%s' % o[1]
- sep = ' '
+ sep = ' '
if o[1] and o[2]:
- sep = ','
+ sep = ', '
long = ''
if o[2]:
return str
def help ():
- ls = [(_ ("Usage: %s [OPTION]... FILE") % program_name),
+ ls = [(_ ("Usage: %s [OPTIONS]... FILE") % program_name),
('\n\n'),
(help_summary),
('\n\n'),
('\n'),
(options_help_str (option_definitions)),
('\n\n'),
- (_ ("Report bugs to %s") % 'bug-lilypond@gnu.org'),
+ (_ ("Report bugs via %s.") %
+ "http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs"),
('\n')]
map (sys.stdout.write, ls)
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:
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
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)
+
+
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 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 (option_definitions)
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':
start_quant = string.atoi (a)
for f in files:
-
g = f
g = strip_extension (g, '.midi')
g = strip_extension (g, '.mid')
projects / lilypond.git / blobdiff