+#!@PYTHON@
+
+import optparse
import sys
import re
import os
+import string
+from gettext import gettext as _
datadir = '@local_lilypond_datadir@'
if not os.path.isdir (datadir):
sys.path.insert (0, os.path.join (datadir, 'python'))
+
import musicxml
import musicexp
from rational import Rational
if mxl_note.get_maybe_exist_typed_child (musicxml.Type):
d.duration_log = mxl_note.get_duration_log ()
else:
- d.factor = mxl_note._duration
d.duration_log = 0
d.dots = len (mxl_note.get_typed_children (musicxml.Dot))
d.factor = mxl_note._duration / d.get_length ()
return d
+
+span_event_dict = {
+ 'start': -1,
+ 'stop': 1
+}
+
+def group_tuplets (music_list, events):
+ indices = []
+
+ j = 0
+ for (ev_chord, tuplet_elt, fraction) in events:
+ while (j < len (music_list)):
+ if music_list[j]== ev_chord:
+ break
+ j += 1
+ if tuplet_elt.type == 'start':
+ indices.append ((j, None, fraction))
+ elif tuplet_elt.type == 'stop':
+ indices[-1] = (indices[-1][0], j, indices[-1][2])
+
+ new_list = []
+ last = 0
+ for (i1, i2, frac) in indices:
+ if i1 >= i2:
+ continue
+
+ new_list.extend (music_list[last:i1])
+ seq = musicexp.SequentialMusic ()
+ last = i2 + 1
+ seq.elements = music_list[i1:last]
+
+ tsm = musicexp.TimeScaledMusic ()
+ tsm.element = seq
+
+ tsm.numerator = frac[0]
+ tsm.denominator = frac[1]
+
+ new_list.append (tsm)
+
+ new_list.extend (music_list[last:])
+ return new_list
+
+def musicxml_clef_to_lily (mxl):
+ sign = mxl.get_maybe_exist_named_child ('sign')
+ change = musicexp.ClefChange ()
+ if sign:
+ change.type = sign.get_text ()
+ return change
+
+
+def musicxml_time_to_lily (mxl):
+ beats = mxl.get_maybe_exist_named_child ('beats')
+ type = mxl.get_maybe_exist_named_child ('beat-type')
+ change = musicexp.TimeSignatureChange()
+ change.fraction = (string.atoi(beats.get_text ()),
+ string.atoi(type.get_text ()))
+
+ return change
+
+def musicxml_key_to_lily (mxl):
+ mode = mxl.get_maybe_exist_named_child ('mode').get_text ()
+ fifths = string.atoi (mxl.get_maybe_exist_named_child ('fifths').get_text ())
+
+ fifth = musicexp.Pitch()
+ fifth.step = 4
+ if fifths < 0:
+ fifths *= -1
+ fifth.step *= -1
+ fifth.normalize ()
+
+ c = musicexp.Pitch()
+ for x in range (fifths):
+ c = c.transposed (fifth)
+
+ c.octave = 0
+
+ change = musicexp.KeySignatureChange()
+ change.mode = mode
+ change.tonic = c
+ return change
+
+def musicxml_attributes_to_lily (attrs):
+ elts = []
+ attr_dispatch = {
+ 'clef': musicxml_clef_to_lily,
+ 'time': musicxml_time_to_lily,
+ 'key': musicxml_key_to_lily
+ }
+ for (k, func) in attr_dispatch.items ():
+ childs = attrs.get_named_children (k)
+
+ ## ugh: you get clefs spread over staves for piano
+ if childs:
+ elts.append (func (childs[0]))
+
+ return elts
+
+def insert_measure_start_comments (ly_voice, indices):
+ idxs = indices[:]
+ idxs.reverse ()
+ for i in idxs:
+ c = musicexp.Comment()
+ c.text = ''
+ ly_voice.insert (i, c)
+
+ return ly_voice
def musicxml_voice_to_lily_voice (voice):
ly_voice = []
ly_now = Rational (0)
+
+ tuplet_events = []
+
+ measure_start_indices = []
for n in voice:
+ if n.is_first ():
+ measure_start_indices.append (len (ly_voice))
+
+ if isinstance (n, musicxml.Attributes):
+ ly_voice.extend (musicxml_attributes_to_lily (n))
+ continue
+
if not n.__class__.__name__ == 'Note':
- print 'not a note?'
+ print 'not a Note or Attributes?'
continue
-
+
+
pitch = None
duration = None
mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
event = None
-
+
+ notations = n.get_maybe_exist_typed_child (musicxml.Notations)
+ tuplet_event = None
+ slur_event = None
+ if notations:
+ tuplet_event = notations.get_tuplet ()
+ slur_event = notations.get_slur ()
+
if mxl_pitch:
pitch = musicxml_pitch_to_lily (mxl_pitch)
event = musicexp.NoteEvent()
if diff < Rational (0):
print 'huh: negative skip', n._when, ly_now, n._duration
diff = Rational (1,314159265)
-
skip = musicexp.SkipEvent()
skip.duration.duration_log = 0
ly_voice.append (musicexp.EventChord())
else:
pass
- #print 'append'
+
ev_chord = ly_voice[-1]
ev_chord.elements.append (event)
+ if tuplet_event:
+ mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
+ frac = (1,1)
+ if mod:
+ frac = mod.get_fraction ()
+
+ tuplet_events.append ((ev_chord, tuplet_event, frac))
+
+ if slur_event:
+ sp = musicexp.SlurEvent()
+ try:
+ sp.span_direction = span_event_dict[slur_event.type]
+ ev_chord.elements.append (sp)
+ except KeyError:
+ pass
+
+ ly_voice = insert_measure_start_comments (ly_voice, measure_start_indices)
+ ly_voice = group_tuplets (ly_voice, tuplet_events)
seq_music = musicexp.SequentialMusic()
-
seq_music.elements = ly_voice
return seq_music
for (id, voice) in voice_dict.items ():
m = musicxml_voice_to_lily_voice (voice)
- m_name = 'Part' + p.name + 'Voice' + id
+ m_name = 'Part' + p.id + 'Voice' + id
m_name = musicxml_id_to_lily (m_name)
all_voices[m_name] = m
return all_voices
-printer = musicexp.Output_printer()
+class NonDentedHeadingFormatter (optparse.IndentedHelpFormatter):
+ def format_heading(self, heading):
+ if heading:
+ return heading[0].upper() + heading[1:] + ':\n'
+ return ''
+ def format_option_strings(self, option):
+ sep = ' '
+ if option._short_opts and option._long_opts:
+ sep = ','
+
+ metavar = ''
+ if option.takes_value():
+ metavar = '=' + option.metavar or option.dest.upper()
+
+ return "%3s%s %s%s" % (" ".join (option._short_opts),
+ sep,
+ " ".join (option._long_opts),
+ metavar)
+
+ def format_usage(self, usage):
+ return _("Usage: %s\n") % usage
+
+ def format_description(self, description):
+ return description
+
+def option_parser ():
+ p = optparse.OptionParser(usage='musicxml2ly FILE.xml',
+ version = """%prog (LilyPond) @TOPLEVEL_VERSION@
-tree = musicxml.read_musicxml (sys.argv[1])
-parts = tree.get_typed_children (musicxml.Part)
+This program is free software. It is covered by the GNU General Public
+License and you are welcome to change it and/or distribute copies of it
+under certain conditions. Invoke as `lilypond --warranty' for more
+information.
-voices = get_all_voices (parts)
-for (k,v) in voices.items():
- print '%s = \n' % k
- v.print_ly (printer.dump)
- printer.newline()
+Copyright (c) 2005 by
+ Han-Wen Nienhuys <hanwen@xs4all.nl> and
+ Jan Nieuwenhuizen <janneke@gnu.org>
+""",
+
+ description =
+ """Convert MusicXML file to LilyPond input.
+"""
+ )
+ p.add_option ('-v', '--verbose',
+ action = "store_true",
+ dest = 'verbose',
+ help = 'be verbose')
+ p.add_option ('-o', '--output',
+ metavar = 'FILE',
+ action = "store",
+ default = None,
+ type = 'string',
+ dest = 'output',
+ help = 'set output file')
+
+ p.add_option_group ('', description = '''Report bugs via http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs
+''')
+ p.formatter = NonDentedHeadingFormatter ()
+ return p
+
+
+def convert (filename, output_name):
+ printer = musicexp.Output_printer()
+ tree = musicxml.read_musicxml (filename)
+ parts = tree.get_typed_children (musicxml.Part)
+
+ voices = get_all_voices (parts)
+
+
+ if output_name:
+ printer.file = open (output_name,'w')
+
+ for (k,v) in voices.items():
+ printer.dump ('%s = ' % k)
+ v.print_ly (printer)
+ printer.newline()
+
+ return voices
+
+
+opt_parser = option_parser()
+
+(options, args) = opt_parser.parse_args ()
+if options.version:
+ opt_parser.print_version()
+ sys.exit (0)
+if not args:
+ opt_parser.print_usage()
+ sys.exit (2)
+voices = convert (args[0], options.output)
projects / lilypond.git / blobdiff