-#!@PYTHON@
+#!@TARGET_PYTHON@
import optparse
import sys
from gettext import gettext as _
+
+
datadir = '@local_lilypond_datadir@'
if not os.path.isdir (datadir):
datadir = '@lilypond_datadir@'
sys.path.insert (0, datadir)
+import lilylib as ly
import musicxml
import musicexp
-import lilylib as ly
from rational import Rational
return new_list
-def musicxml_clef_to_lily (mxl):
- sign = mxl.get_maybe_exist_named_child ('sign')
+def musicxml_clef_to_lily (attributes):
change = musicexp.ClefChange ()
- if sign:
- change.type = sign.get_text ()
+ change.type = attributes.get_clef_sign ()
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')
+def musicxml_time_to_lily (attributes):
+ (beats, type) = attributes.get_time_signature ()
+
change = musicexp.TimeSignatureChange()
- change.fraction = (string.atoi(beats.get_text ()),
- string.atoi(type.get_text ()))
+ change.fraction = (beats, type)
return change
-def musicxml_key_to_lily (mxl):
+def musicxml_key_to_lily (attributes):
start_pitch = musicexp.Pitch ()
+ (fifths, mode) = attributes.get_key_signature ()
try:
- mode = mxl.get_maybe_exist_named_child ('mode')
- if mode:
- mode = mode.get_text ()
- else:
- mode = 'major'
-
- (n,a) = { 'major' : (0,0),
- 'minor' : (6,0),
+ (n,a) = {
+ 'major' : (0,0),
+ 'minor' : (6,0),
}[mode]
start_pitch.step = n
start_pitch.alteration = a
except KeyError:
print 'unknown mode', mode
-
- fifths = string.atoi (mxl.get_maybe_exist_named_child ('fifths').get_text ())
fifth = musicexp.Pitch()
fifth.step = 4
## ugh: you get clefs spread over staves for piano
if childs:
- elts.append (func (childs[0]))
+ elts.append (func (attrs))
return elts
-def create_skip_music (duration):
- skip = musicexp.SkipEvent()
- skip.duration.duration_log = 0
- skip.duration.factor = duration
-
- evc = musicexp.EventChord ()
- evc.append (skip)
- return evc
-
spanner_event_dict = {
'slur' : musicexp.SlurEvent,
'beam' : musicexp.BeamEvent,
return ev
+instrument_drumtype_dict = {
+ 'Acoustic Snare Drum': 'acousticsnare',
+ 'Side Stick': 'sidestick',
+ 'Open Triangle': 'opentriangle',
+ 'Mute Triangle': 'mutetriangle',
+ 'Tambourine': 'tambourine',
+
+}
+
def musicxml_note_to_lily_main_event (n):
pitch = None
duration = None
elif n.get_maybe_exist_typed_child (musicxml.Rest):
event = musicexp.RestEvent()
+ elif n.instrument_name:
+ event = musicexp.NoteEvent ()
+ event.drum_type = instrument_drumtype_dict[n.instrument_name]
+
+
+ if not event:
+ n.message ("could not find suitable event")
event.duration = musicxml_duration_to_lily (n)
return event
-def musicxml_voice_to_lily_voice (voice):
- ly_voice = []
- ly_now = Rational (0)
- pending_skip = Rational (0)
+## todo
+class NegativeSkip:
+ def __init__ (self, here, dest):
+ self.here = here
+ self.dest = dest
+
+class LilyPondVoiceBuilder:
+ def __init__ (self):
+ self.elements = []
+ self.end_moment = Rational (0)
+ self.begin_moment = Rational (0)
+ self.pending_multibar = Rational (0)
+
+ def _insert_multibar (self):
+ r = musicexp.MultiMeasureRest ()
+ r.duration = musicexp.Duration()
+ r.duration.duration_log = 0
+ r.duration.factor = self.pending_multibar
+ self.elements.append (r)
+ self.begin_moment = self.end_moment
+ self.end_moment = self.begin_moment + self.pending_multibar
+ self.pending_multibar = Rational (0)
+
+ def add_multibar_rest (self, duration):
+ self.pending_multibar += duration
+
+
+ def add_music (self, music, duration):
+ assert isinstance (music, musicexp.Music)
+ if self.pending_multibar > Rational (0):
+ self._insert_multibar ()
+
+ self.elements.append (music)
+ self.begin_moment = self.end_moment
+ self.end_moment = self.begin_moment + duration
+
+ def add_bar_check (self, number):
+ b = musicexp.BarCheck ()
+ b.bar_number = number
+ self.add_music (b, Rational (0))
+
+ def jumpto (self, moment):
+ current_end = self.end_moment + self.pending_multibar
+ diff = moment - current_end
+
+ if diff < Rational (0):
+ raise NegativeSkip(current_end, moment)
+
+ if diff > Rational (0):
+ skip = musicexp.SkipEvent()
+ skip.duration.duration_log = 0
+ skip.duration.factor = diff
+
+ evc = musicexp.EventChord ()
+ evc.elements.append (skip)
+ self.add_music (evc, diff)
+
+ def last_event_chord (self, starting_at):
+
+ value = None
+ if (self.elements
+ and isinstance (self.elements[-1], musicexp.EventChord)
+ and self.begin_moment == starting_at):
+ value = self.elements[-1]
+ else:
+ self.jumpto (starting_at)
+ value = None
+
+ return value
+
+ def correct_negative_skip (self, goto):
+ self.end_moment = goto
+ self.begin_moment = goto
+ evc = musicexp.EventChord ()
+ self.elements.append (evc)
+
+def musicxml_voice_to_lily_voice (voice):
tuplet_events = []
+ modes_found = {}
+
+ voice_builder = LilyPondVoiceBuilder()
for n in voice._elements:
if n.get_name () == 'forward':
continue
-
- if isinstance (n, musicxml.Attributes):
- ly_now += pending_skip
- pending_skip = Rational (0)
+
+ if not n.get_maybe_exist_named_child ('chord'):
+ try:
+ voice_builder.jumpto (n._when)
+ except NegativeSkip, neg:
+ voice_builder.correct_negative_skip (n._when)
+ n.message ("Negative skip? from %s to %s, diff %s" % (neg.here, neg.dest, neg.dest - neg.here))
- ly_voice.extend (musicxml_attributes_to_lily (n))
+ if isinstance (n, musicxml.Attributes):
+ if n.is_first () and n._measure_position == Rational (0):
+ voice_builder.add_bar_check (int (n.get_parent ().number))
+ for a in musicxml_attributes_to_lily (n):
+ voice_builder.add_music (a, Rational (0))
continue
-
+
if not n.__class__.__name__ == 'Note':
print 'not a Note or Attributes?', n
continue
- if n.is_first () and ly_voice:
- ly_voice[-1].comment += '\n'
-
+ rest = n.get_maybe_exist_typed_child (musicxml.Rest)
+ if (rest
+ and rest.is_whole_measure ()):
+ voice_builder.add_multibar_rest (n._duration)
+ continue
+
+ if n.is_first () and n._measure_position == Rational (0):
+ num = int (n.get_parent ().number)
+ voice_builder.add_bar_check (num)
+
main_event = musicxml_note_to_lily_main_event (n)
- ev_chord = None
- if None == n.get_maybe_exist_typed_child (musicxml.Chord):
- ly_now += pending_skip
- pending_skip = main_event.get_length ()
+ try:
+ if main_event.drum_type:
+ modes_found['drummode'] = True
+ except AttributeError:
+ pass
- if ly_now <> n._when:
- diff = n._when - ly_now
- if diff < Rational (0):
- print 'huh: negative skip', n._when, ly_now, n._duration
- diff = Rational (1,314159265)
+ ev_chord = voice_builder.last_event_chord (n._when)
+ if not ev_chord:
+ ev_chord = musicexp.EventChord()
+ voice_builder.add_music (ev_chord, n._duration)
- ly_voice.append (create_skip_music (diff))
- ly_now = n._when
-
- ly_voice.append (musicexp.EventChord())
- else:
- pass
-
- ev_chord = ly_voice[-1]
ev_chord.append (main_event)
notations = n.get_maybe_exist_typed_child (musicxml.Notations)
ev_chord.append (musicexp.TieEvent ())
mxl_beams = [b for b in n.get_named_children ('beam')
- if b.get_type () in ('begin', 'end')]
+ if (b.get_type () in ('begin', 'end')
+ and b.is_primary ())]
if mxl_beams:
beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
if beam_ev:
tuplet_events.append ((ev_chord, tuplet_event, frac))
- ly_voice = group_tuplets (ly_voice, tuplet_events)
+ ## force trailing mm rests to be written out.
+ voice_builder.add_music (musicexp.EventChord (), Rational (0))
+
+ ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
seq_music = musicexp.SequentialMusic()
+
+ if 'drummode' in modes_found.keys ():
+ ## \key <pitch> barfs in drummode.
+ ly_voice = [e for e in ly_voice
+ if not isinstance(e, musicexp.KeySignatureChange)]
seq_music.elements = ly_voice
- return seq_music
+
+
+
+ if len (modes_found) > 1:
+ print 'Too many modes found', modes_found.keys ()
+
+ return_value = seq_music
+ for mode in modes_found.keys ():
+ v = musicexp.ModeChangingMusicWrapper()
+ v.element = return_value
+ v.mode = mode
+ return_value = v
+
+ return return_value
def musicxml_id_to_lily (id):
digits = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight',
- 'nine', 'ten']
+ 'nine', 'ten']
for dig in digits:
d = digits.index (dig) + 1
p.octave = mxl_pitch.get_octave () - 4
return p
-
-
def voices_in_part (part):
"""Return a Name -> Voice dictionary for PART"""
part.interpret ()
- part.extract_voices ()
+ part.extract_voices ()
voice_dict = part.get_voices ()
return voice_dict
information.
Copyright (c) 2005--2006 by
- Han-Wen Nienhuys <hanwen@xs4all.nl> and
- Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@xs4all.nl> and
+ Jan Nieuwenhuizen <janneke@gnu.org>
""",
description =
"""
)
p.add_option ('-v', '--verbose',
- action = "store_true",
- dest = 'verbose',
- help = 'be verbose')
+ action = "store_true",
+ dest = 'verbose',
+ help = 'be verbose')
+
+ p.add_option ('', '--lxml',
+ action="store_true",
+ default=False,
+ dest="use_lxml",
+ help="Use lxml.etree; uses less memory and cpu time.")
+
p.add_option ('-o', '--output',
- metavar = 'FILE',
- action = "store",
- default = None,
- type = 'string',
- dest = 'output',
- help = 'set output file')
+ metavar = 'FILE',
+ action="store",
+ default=None,
+ type='string',
+ dest='output_name',
+ help='set output file')
p.add_option_group ('', description = '''Report bugs via http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs
''')
def print_voice_definitions (printer, voices):
for (part, nv_dict) in voices.items():
+
for (name, (voice, mxlvoice)) in nv_dict.items ():
k = music_xml_voice_name_to_lily_name (part, name)
printer.dump ('%s = ' % k)
voice.print_ly (printer)
printer.newline()
+
+
def uniq_list (l):
return dict ([(elt,1) for elt in l]).keys ()
printer ('>>')
printer.newline ()
-
printer ('>>')
printer.newline ()
-
-
def print_ly_preamble (printer, filename):
printer.dump_version ()
printer.print_verbatim ('%% converted from %s\n' % filename)
-def convert (filename, output_name):
- printer = musicexp.Output_printer()
- progress ("Reading MusicXML...")
+def read_musicxml (filename, use_lxml):
+ if use_lxml:
+ import lxml.etree
+
+ tree = lxml.etree.parse (filename)
+ mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
+ return mxl_tree
+ else:
+ from xml.dom import minidom, Node
+
+ doc = minidom.parse(filename)
+ node = doc.documentElement
+ return musicxml.minidom_demarshal_node (node)
+
+ return None
+
+
+def convert (filename, options):
+ progress ("Reading MusicXML from %s ..." % filename)
- tree = musicxml.read_musicxml (filename)
- parts = tree.get_typed_children (musicxml.Part)
- voices = get_all_voices (parts)
+ tree = read_musicxml (filename, options.use_lxml)
part_list = []
+ id_instrument_map = {}
if tree.get_maybe_exist_typed_child (musicxml.Part_list):
- pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
- part_list = pl.get_named_children ("score-part")
+ mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
+ part_list = mxl_pl.get_named_children ("score-part")
- if not output_name:
- output_name = os.path.basename (filename)
- output_name = os.path.splitext (output_name)[0] + '.ly'
+ parts = tree.get_typed_children (musicxml.Part)
+ voices = get_all_voices (parts)
-
- if output_name:
- progress ("Output to `%s'" % output_name)
- printer.set_file (open (output_name, 'w'))
-
- progress ("Printing as .ly...")
+ if not options.output_name:
+ options.output_name = os.path.basename (filename)
+ options.output_name = os.path.splitext (options.output_name)[0]
+
+ defs_ly_name = options.output_name + '-defs.ly'
+ driver_ly_name = options.output_name + '.ly'
+
+ printer = musicexp.Output_printer()
+ progress ("Output to `%s'" % defs_ly_name)
+ printer.set_file (open (defs_ly_name, 'w'))
+
+ print_ly_preamble (printer, filename)
+ print_voice_definitions (printer, voices)
+
+ printer.close ()
+
+
+ progress ("Output to `%s'" % driver_ly_name)
+ printer = musicexp.Output_printer()
+ printer.set_file (open (driver_ly_name, 'w'))
print_ly_preamble (printer, filename)
- print_voice_definitions (printer, voices)
+ printer.dump (r'\include "%s"' % defs_ly_name)
print_score_setup (printer, part_list, voices)
printer.newline ()
+
return voices
opt_parser.print_usage()
sys.exit (2)
- voices = convert (args[0], options.output)
+ voices = convert (args[0], options)
if __name__ == '__main__':
main()
projects / lilypond.git / blobdiff