return event
def musicxml_voice_to_lily_voice (voice):
-
ly_voice = []
ly_now = Rational (0)
+ pending_skip = Rational (0)
tuplet_events = []
- for n in voice:
+ for n in voice._elements:
if n.get_name () == 'forward':
continue
if isinstance (n, musicxml.Attributes):
+ ly_now += pending_skip
+ pending_skip = Rational (0)
+
ly_voice.extend (musicxml_attributes_to_lily (n))
continue
if n.is_first () and ly_voice:
ly_voice[-1].comment += '\n'
+
+ main_event = musicxml_note_to_lily_main_event (n)
+
ev_chord = None
if None == n.get_maybe_exist_typed_child (musicxml.Chord):
- if ly_voice:
- ly_now += ly_voice[-1].get_length ()
+ ly_now += pending_skip
+ pending_skip = main_event.get_length ()
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)
pass
ev_chord = ly_voice[-1]
-
- main_event = musicxml_note_to_lily_main_event (n)
ev_chord.append (main_event)
-
+
notations = n.get_maybe_exist_typed_child (musicxml.Notations)
tuplet_event = None
span_events = []
if notations:
if notations.get_tuplet():
+ tuplet_event = notations.get_tuplet()
mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
frac = (1,1)
if mod:
p.octave = mxl_pitch.get_octave () - 4
return p
-def get_all_voices (parts):
- progress ("Synchronizing MusicXML...")
-
- all_voices = {}
- for p in parts:
- p.interpret ()
- p.extract_voices ()
- voice_dict = p.get_voices ()
-
- for (id, voice) in voice_dict.items ():
- m_name = 'Part' + p.id + 'Voice' + id
- m_name = musicxml_id_to_lily (m_name)
- all_voices[m_name] = voice
- progress ("Converting to LilyPond expressions...")
+def voices_in_part (part):
+ """Return a Name -> Voice dictionary for PART"""
+ part.interpret ()
+ part.extract_voices ()
+ voice_dict = part.get_voices ()
+
+ return voice_dict
+
+def voices_in_part_in_parts (parts):
+ """return a Part -> Name -> Voice dictionary"""
+ return dict([(p, voices_in_part (p)) for p in parts])
+
+
+def get_all_voices (parts):
+ all_voices = voices_in_part_in_parts (parts)
+
all_ly_voices = {}
- for (k, v) in all_voices.items():
- all_ly_voices[k] = musicxml_voice_to_lily_voice (v)
+ for p, name_voice in all_voices.items ():
+
+ part_ly_voices = {}
+ for n, v in name_voice.items ():
+ progress ("Converting to LilyPond expressions...")
+ part_ly_voices[n] = (musicxml_voice_to_lily_voice (v), v)
+ all_ly_voices[p] = part_ly_voices
+
return all_ly_voices
class NonDentedHeadingFormatter (optparse.IndentedHelpFormatter):
under certain conditions. Invoke as `lilypond --warranty' for more
information.
-Copyright (c) 2005 by
+Copyright (c) 2005--2006 by
Han-Wen Nienhuys <hanwen@xs4all.nl> and
Jan Nieuwenhuizen <janneke@gnu.org>
""",
p.formatter = NonDentedHeadingFormatter ()
return p
+def music_xml_voice_name_to_lily_name (part, name):
+ str = "Part%sVoice%s" % (part.id, name)
+ return musicxml_id_to_lily (str)
+
+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 ()
+
+def print_score_setup (printer, part_list, voices):
+ part_dict = dict ([(p.id, p) for p in voices.keys ()])
+
+ printer ('<<')
+ printer.newline ()
+ for part_definition in part_list:
+ part_name = part_definition.id
+ try:
+ part = part_dict[part_name]
+ except KeyError:
+ print 'unknown part in part-list:', part_name
+ continue
+
+ nv_dict = voices[part]
+ staves = reduce (lambda x,y: x+ y,
+ [mxlvoice._staves.keys ()
+ for (v, mxlvoice) in nv_dict.values ()],
+ [])
+
+ if len (staves) > 1:
+ staves = uniq_list (staves)
+ staves.sort ()
+ printer ('\\context PianoStaff << ')
+ printer.newline ()
+
+ for s in staves:
+ staff_voices = [music_xml_voice_name_to_lily_name (part, voice_name)
+ for (voice_name, (v, mxlvoice)) in nv_dict.items ()
+ if mxlvoice._start_staff == s]
+
+ printer ('\\context Staff = "%s" << ' % s)
+ printer.newline ()
+ for v in staff_voices:
+ printer ('\\context Voice = "%s" \\%s' % (v,v))
+ printer.newline ()
+ printer ('>>')
+ printer.newline ()
+
+ printer ('>>')
+ printer.newline ()
+
+ else:
+ printer ('\\new Staff <<')
+ printer.newline ()
+ for (n,v) in nv_dict.items ():
+
+ n = music_xml_voice_name_to_lily_name (part, n)
+ printer ('\\context Voice = "%s" \\%s' % (n,n))
+ 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...")
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')
+ part_list = []
+ 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")
+ if not output_name:
+ output_name = os.path.basename (filename)
+ output_name = os.path.splitext (output_name)[0] + '.ly'
+
+
+ if output_name:
+ progress ("Output to `%s'" % output_name)
+ printer.set_file (open (output_name, 'w'))
+
progress ("Printing as .ly...")
- for (k,v) in voices.items():
- printer.dump ('%s = ' % k)
- v.print_ly (printer)
- printer.newline()
+ print_ly_preamble (printer, filename)
+ print_voice_definitions (printer, voices)
+ print_score_setup (printer, part_list, voices)
+ printer.newline ()
return voices
-opt_parser = option_parser()
+def main ():
+ opt_parser = option_parser()
+
+ (options, args) = opt_parser.parse_args ()
+ if not args:
+ opt_parser.print_usage()
+ sys.exit (2)
-(options, args) = opt_parser.parse_args ()
-if not args:
- opt_parser.print_usage()
- sys.exit (2)
+ voices = convert (args[0], options.output)
-voices = convert (args[0], options.output)
+if __name__ == '__main__':
+ main()
projects / lilypond.git / blobdiff