11 from gettext import gettext as _
22 from rational import Rational
24 # Store command-line options in a global variable, so we can access them everythwere
28 ly.stderr_write (str + '\n')
31 def error_message (str):
32 ly.stderr_write (str + '\n')
35 needed_additional_definitions = []
36 additional_definitions = {
37 "snappizzicato": """#(define-markup-command (snappizzicato layout props) ()
38 (interpret-markup layout props
40 (ly:stencil-translate-axis
42 (make-circle-stencil 0.7 0.1 #f)
44 (list 'draw-line 0.1 0 0.1 0 1)
45 '(-0.1 . 0.1) '(0.1 . 1)
55 def round_to_two_digits (val):
56 return round (val * 100) / 100
58 def extract_layout_information (tree):
59 paper = musicexp.Paper ()
60 defaults = tree.get_maybe_exist_named_child ('defaults')
64 scaling = defaults.get_maybe_exist_named_child ('scaling')
66 mm = scaling.get_named_child ('millimeters')
67 mm = string.atof (mm.get_text ())
68 tn = scaling.get_maybe_exist_named_child ('tenths')
69 tn = string.atof (tn.get_text ())
71 paper.global_staff_size = mm * 72.27 / 25.4
72 # We need the scaling (i.e. the size of staff tenths for everything!
76 def from_tenths (txt):
77 return round_to_two_digits (string.atof (txt) * tenths / 10)
78 def set_paper_variable (varname, parent, element_name):
79 el = parent.get_maybe_exist_named_child (element_name)
80 if el: # Convert to cm from tenths
81 setattr (paper, varname, from_tenths (el.get_text ()))
83 pagelayout = defaults.get_maybe_exist_named_child ('page-layout')
85 # TODO: How can one have different margins for even and odd pages???
86 set_paper_variable ("page_height", pagelayout, 'page-height')
87 set_paper_variable ("page_width", pagelayout, 'page-width')
89 pmargins = pagelayout.get_named_children ('page-margins')
91 set_paper_variable ("left_margin", pm, 'left-margin')
92 set_paper_variable ("right_margin", pm, 'right-margin')
93 set_paper_variable ("bottom_margin", pm, 'bottom-margin')
94 set_paper_variable ("top_margin", pm, 'top-margin')
96 systemlayout = defaults.get_maybe_exist_named_child ('system-layout')
98 sl = systemlayout.get_maybe_exist_named_child ('system-margins')
100 set_paper_variable ("system_left_margin", sl, 'left-margin')
101 set_paper_variable ("system_right_margin", sl, 'right-margin')
102 set_paper_variable ("system_distance", systemlayout, 'system-distance')
103 set_paper_variable ("top_system_distance", systemlayout, 'top-system-distance')
105 stafflayout = defaults.get_named_children ('staff-layout')
106 for sl in stafflayout:
107 nr = getattr (sl, 'number', 1)
108 dist = sl.get_named_child ('staff-distance')
109 #TODO: the staff distance needs to be set in the Staff context!!!
111 # TODO: Finish appearance?, music-font?, word-font?, lyric-font*, lyric-language*
112 appearance = defaults.get_named_child ('appearance')
114 lws = appearance.get_named_children ('line-width')
116 # Possible types are: beam, bracket, dashes,
117 # enclosure, ending, extend, heavy barline, leger,
118 # light barline, octave shift, pedal, slur middle, slur tip,
119 # staff, stem, tie middle, tie tip, tuplet bracket, and wedge
121 w = from_tenths (lw.get_text ())
122 # TODO: Do something with these values!
123 nss = appearance.get_named_children ('note-size')
125 # Possible types are: cue, grace and large
127 sz = from_tenths (ns.get_text ())
128 # TODO: Do something with these values!
129 # <other-appearance> elements have no specified meaning
131 rawmusicfont = defaults.get_named_child ('music-font')
133 # TODO: Convert the font
135 rawwordfont = defaults.get_named_child ('word-font')
137 # TODO: Convert the font
139 rawlyricsfonts = defaults.get_named_children ('lyric-font')
140 for lyricsfont in rawlyricsfonts:
141 # TODO: Convert the font
148 # score information is contained in the <work>, <identification> or <movement-title> tags
149 # extract those into a hash, indexed by proper lilypond header attributes
150 def extract_score_information (tree):
151 header = musicexp.Header ()
152 def set_if_exists (field, value):
154 header.set_field (field, musicxml.escape_ly_output_string (value))
156 work = tree.get_maybe_exist_named_child ('work')
158 set_if_exists ('title', work.get_work_title ())
159 set_if_exists ('worknumber', work.get_work_number ())
160 set_if_exists ('opus', work.get_opus ())
162 movement_title = tree.get_maybe_exist_named_child ('movement-title')
164 set_if_exists ('title', movement_title.get_text ())
166 identifications = tree.get_named_children ('identification')
167 for ids in identifications:
168 set_if_exists ('copyright', ids.get_rights ())
169 set_if_exists ('composer', ids.get_composer ())
170 set_if_exists ('arranger', ids.get_arranger ())
171 set_if_exists ('editor', ids.get_editor ())
172 set_if_exists ('poet', ids.get_poet ())
174 set_if_exists ('tagline', ids.get_encoding_software ())
175 set_if_exists ('encodingsoftware', ids.get_encoding_software ())
176 set_if_exists ('encodingdate', ids.get_encoding_date ())
177 set_if_exists ('encoder', ids.get_encoding_person ())
178 set_if_exists ('encodingdescription', ids.get_encoding_description ())
187 return len (self.start) + len (self.end) == 0
188 def add_start (self, g):
189 self.start[getattr (g, 'number', "1")] = g
190 def add_end (self, g):
191 self.end[getattr (g, 'number', "1")] = g
192 def print_ly (self, printer):
193 error_message ("Unprocessed PartGroupInfo %s encountered" % self)
194 def ly_expression (self):
195 error_message ("Unprocessed PartGroupInfo %s encountered" % self)
198 def staff_attributes_to_string_tunings (mxl_attr):
199 details = mxl_attr.get_maybe_exist_named_child ('staff-details')
203 staff_lines = details.get_maybe_exist_named_child ('staff-lines')
205 lines = string.atoi (staff_lines.get_text ())
208 staff_tunings = details.get_named_children ('staff-tuning')
209 for i in staff_tunings:
213 line = string.atoi (i.line) - 1
218 step = i.get_named_child (u'tuning-step')
219 step = step.get_text ().strip ()
220 p.step = musicxml_step_to_lily (step)
222 octave = i.get_named_child (u'tuning-octave')
223 octave = octave.get_text ().strip ()
224 p.octave = int (octave) - 4
226 alter = i.get_named_child (u'tuning-alter')
228 p.alteration = int (alter.get_text ().strip ())
229 # lilypond seems to use the opposite ordering than MusicXML...
235 def staff_attributes_to_lily_staff (mxl_attr):
237 return musicexp.Staff ()
239 (staff_id, attributes) = mxl_attr.items ()[0]
241 # distinguish by clef:
242 # percussion (percussion and rhythmic), tab, and everything else
244 clef = attributes.get_maybe_exist_named_child ('clef')
246 sign = clef.get_maybe_exist_named_child ('sign')
248 clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
251 details = attributes.get_maybe_exist_named_child ('staff-details')
253 staff_lines = details.get_maybe_exist_named_child ('staff-lines')
255 lines = string.atoi (staff_lines.get_text ())
258 if clef_sign == "percussion" and lines == 1:
259 staff = musicexp.RhythmicStaff ()
260 elif clef_sign == "percussion":
261 staff = musicexp.DrumStaff ()
262 # staff.drum_style_table = ???
263 elif clef_sign == "tab":
264 staff = musicexp.TabStaff ()
265 staff.string_tunings = staff_attributes_to_string_tunings (attributes)
266 # staff.tablature_format = ???
268 # TODO: Handle case with lines <> 5!
269 staff = musicexp.Staff ()
274 def extract_score_layout (part_list, staffinfo):
275 layout = musicexp.StaffGroup (None)
279 def read_score_part (el):
280 if not isinstance (el, musicxml.Score_part):
282 # Depending on the attributes of the first measure, we create different
283 # types of staves (Staff, RhythmicStaff, DrumStaff, TabStaff, etc.)
284 staff = staff_attributes_to_lily_staff (staffinfo.get (el.id, None))
288 partname = el.get_maybe_exist_named_child ('part-name')
289 # Finale gives unnamed parts the name "MusicXML Part" automatically!
290 if partname and partname.get_text() != "MusicXML Part":
291 staff.instrument_name = partname.get_text ()
292 if el.get_maybe_exist_named_child ('part-abbreviation'):
293 staff.short_instrument_name = el.get_maybe_exist_named_child ('part-abbreviation').get_text ()
294 # TODO: Read in the MIDI device / instrument
297 def read_score_group (el):
298 if not isinstance (el, musicxml.Part_group):
300 group = musicexp.StaffGroup ()
301 if hasattr (el, 'number'):
304 #currentgroups_dict[id] = group
305 #currentgroups.append (id)
306 if el.get_maybe_exist_named_child ('group-name'):
307 group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
308 if el.get_maybe_exist_named_child ('group-abbreviation'):
309 group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
310 if el.get_maybe_exist_named_child ('group-symbol'):
311 group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
312 if el.get_maybe_exist_named_child ('group-barline'):
313 group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
317 parts_groups = part_list.get_all_children ()
319 # the start/end group tags are not necessarily ordered correctly and groups
320 # might even overlap, so we can't go through the children sequentially!
322 # 1) Replace all Score_part objects by their corresponding Staff objects,
323 # also collect all group start/stop points into one PartGroupInfo object
325 group_info = PartGroupInfo ()
326 for el in parts_groups:
327 if isinstance (el, musicxml.Score_part):
328 if not group_info.is_empty ():
329 staves.append (group_info)
330 group_info = PartGroupInfo ()
331 staff = read_score_part (el)
333 staves.append (staff)
334 elif isinstance (el, musicxml.Part_group):
335 if el.type == "start":
336 group_info.add_start (el)
337 elif el.type == "stop":
338 group_info.add_end (el)
339 if not group_info.is_empty ():
340 staves.append (group_info)
342 # 2) Now, detect the groups:
345 while pos < len (staves):
347 if isinstance (el, PartGroupInfo):
349 if len (group_starts) > 0:
350 prev_start = group_starts[-1]
351 elif len (el.end) > 0: # no group to end here
353 if len (el.end) > 0: # closes an existing group
354 ends = el.end.keys ()
355 prev_started = staves[prev_start].start.keys ()
357 intersection = filter(lambda x:x in ends, prev_started)
358 if len (intersection) > 0:
359 grpid = intersection[0]
361 # Close the last started group
362 grpid = staves[prev_start].start.keys () [0]
363 # Find the corresponding closing tag and remove it!
366 while j < len (staves) and not foundclosing:
367 if isinstance (staves[j], PartGroupInfo) and staves[j].end.has_key (grpid):
369 del staves[j].end[grpid]
370 if staves[j].is_empty ():
373 grpobj = staves[prev_start].start[grpid]
374 group = read_score_group (grpobj)
375 # remove the id from both the start and end
376 if el.end.has_key (grpid):
378 del staves[prev_start].start[grpid]
381 # replace the staves with the whole group
382 for j in staves[(prev_start + 1):pos]:
384 j.stafftype = "InnerStaffGroup"
385 group.append_staff (j)
386 del staves[(prev_start + 1):pos]
387 staves.insert (prev_start + 1, group)
388 # reset pos so that we continue at the correct position
390 # remove an empty start group
391 if staves[prev_start].is_empty ():
392 del staves[prev_start]
393 group_starts.remove (prev_start)
395 elif len (el.start) > 0: # starts new part groups
396 group_starts.append (pos)
399 if len (staves) == 1:
402 layout.append_staff (i)
407 def musicxml_duration_to_lily (mxl_note):
408 d = musicexp.Duration ()
409 # if the note has no Type child, then that method spits out a warning and
410 # returns 0, i.e. a whole note
411 d.duration_log = mxl_note.get_duration_log ()
413 d.dots = len (mxl_note.get_typed_children (musicxml.Dot))
414 # Grace notes by specification have duration 0, so no time modification
415 # factor is possible. It even messes up the output with *0/1
416 if not mxl_note.get_maybe_exist_typed_child (musicxml.Grace):
417 d.factor = mxl_note._duration / d.get_length ()
421 def rational_to_lily_duration (rational_len):
422 d = musicexp.Duration ()
423 d.duration_log = {1: 0, 2: 1, 4:2, 8:3, 16:4, 32:5, 64:6, 128:7, 256:8, 512:9}.get (rational_len.denominator (), -1)
424 d.factor = Rational (rational_len.numerator ())
425 if d.duration_log < 0:
426 error_message ("Encountered rational duration with denominator %s, "
427 "unable to convert to lilypond duration" %
428 rational_len.denominator ())
429 # TODO: Test the above error message
434 def musicxml_partial_to_lily (partial_len):
436 p = musicexp.Partial ()
437 p.partial = rational_to_lily_duration (partial_len)
442 # Detect repeats and alternative endings in the chord event list (music_list)
443 # and convert them to the corresponding musicexp objects, containing nested
445 def group_repeats (music_list):
446 repeat_replaced = True
449 # Walk through the list of expressions, looking for repeat structure
450 # (repeat start/end, corresponding endings). If we find one, try to find the
451 # last event of the repeat, replace the whole structure and start over again.
452 # For nested repeats, as soon as we encounter another starting repeat bar,
453 # treat that one first, and start over for the outer repeat.
454 while repeat_replaced and i < 100:
456 repeat_start = -1 # position of repeat start / end
457 repeat_end = -1 # position of repeat start / end
459 ending_start = -1 # position of current ending start
460 endings = [] # list of already finished endings
462 last = len (music_list) - 1
463 repeat_replaced = False
465 while pos < len (music_list) and not repeat_replaced:
467 repeat_finished = False
468 if isinstance (e, RepeatMarker):
469 if not repeat_times and e.times:
470 repeat_times = e.times
471 if e.direction == -1:
473 repeat_finished = True
479 elif e.direction == 1:
485 elif isinstance (e, EndingMarker):
486 if e.direction == -1:
492 elif e.direction == 1:
495 endings.append ([ending_start, pos])
498 elif not isinstance (e, musicexp.BarLine):
499 # As soon as we encounter an element when repeat start and end
500 # is set and we are not inside an alternative ending,
501 # this whole repeat structure is finished => replace it
502 if repeat_start >= 0 and repeat_end > 0 and ending_start < 0:
503 repeat_finished = True
505 # Finish off all repeats without explicit ending bar (e.g. when
506 # we convert only one page of a multi-page score with repeats)
507 if pos == last and repeat_start >= 0:
508 repeat_finished = True
512 if ending_start >= 0:
513 endings.append ([ending_start, pos])
517 # We found the whole structure replace it!
518 r = musicexp.RepeatedMusic ()
519 if repeat_times <= 0:
521 r.repeat_count = repeat_times
522 # don't erase the first element for "implicit" repeats (i.e. no
523 # starting repeat bars at the very beginning)
524 start = repeat_start+1
525 if repeat_start == music_start:
527 r.set_music (music_list[start:repeat_end])
528 for (start, end) in endings:
529 s = musicexp.SequentialMusic ()
530 s.elements = music_list[start+1:end]
532 del music_list[repeat_start:final_marker+1]
533 music_list.insert (repeat_start, r)
534 repeat_replaced = True
536 # TODO: Implement repeats until the end without explicit ending bar
541 def group_tuplets (music_list, events):
544 """Collect Musics from
545 MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
552 for (ev_chord, tuplet_elt, fraction) in events:
553 while (j < len (music_list)):
554 if music_list[j] == ev_chord:
557 if tuplet_elt.type == 'start':
558 indices.append ((j, None, fraction))
559 elif tuplet_elt.type == 'stop':
560 indices[-1] = (indices[-1][0], j, indices[-1][2])
564 for (i1, i2, frac) in indices:
568 new_list.extend (music_list[last:i1])
569 seq = musicexp.SequentialMusic ()
571 seq.elements = music_list[i1:last]
573 tsm = musicexp.TimeScaledMusic ()
576 tsm.numerator = frac[0]
577 tsm.denominator = frac[1]
579 new_list.append (tsm)
581 new_list.extend (music_list[last:])
585 def musicxml_clef_to_lily (attributes):
586 change = musicexp.ClefChange ()
587 (change.type, change.position, change.octave) = attributes.get_clef_information ()
590 def musicxml_time_to_lily (attributes):
591 (beats, type) = attributes.get_time_signature ()
593 change = musicexp.TimeSignatureChange()
594 change.fraction = (beats, type)
598 def musicxml_key_to_lily (attributes):
599 start_pitch = musicexp.Pitch ()
600 (fifths, mode) = attributes.get_key_signature ()
607 start_pitch.alteration = a
609 error_message ('unknown mode %s' % mode)
611 fifth = musicexp.Pitch()
618 for x in range (fifths):
619 start_pitch = start_pitch.transposed (fifth)
621 start_pitch.octave = 0
623 change = musicexp.KeySignatureChange()
625 change.tonic = start_pitch
628 def musicxml_attributes_to_lily (attrs):
631 'clef': musicxml_clef_to_lily,
632 'time': musicxml_time_to_lily,
633 'key': musicxml_key_to_lily
635 for (k, func) in attr_dispatch.items ():
636 children = attrs.get_named_children (k)
638 elts.append (func (attrs))
642 class Marker (musicexp.Music):
646 def print_ly (self, printer):
647 sys.stderr.write ("Encountered unprocessed marker %s\n" % self)
649 def ly_expression (self):
651 class RepeatMarker (Marker):
653 Marker.__init__ (self)
655 class EndingMarker (Marker):
658 # Convert the <barline> element to musicxml.BarLine (for non-standard barlines)
659 # and to RepeatMarker and EndingMarker objects for repeat and
660 # alternatives start/stops
661 def musicxml_barline_to_lily (barline):
662 # retval contains all possible markers in the order:
663 # 0..bw_ending, 1..bw_repeat, 2..barline, 3..fw_repeat, 4..fw_ending
665 bartype_element = barline.get_maybe_exist_named_child ("bar-style")
666 repeat_element = barline.get_maybe_exist_named_child ("repeat")
667 ending_element = barline.get_maybe_exist_named_child ("ending")
671 bartype = bartype_element.get_text ()
673 if repeat_element and hasattr (repeat_element, 'direction'):
674 repeat = RepeatMarker ()
675 repeat.direction = {"forward": -1, "backward": 1}.get (repeat_element.direction, 0)
677 if ( (repeat_element.direction == "forward" and bartype == "heavy-light") or
678 (repeat_element.direction == "backward" and bartype == "light-heavy") ):
680 if hasattr (repeat_element, 'times'):
682 repeat.times = int (repeat_element.times)
685 repeat.event = barline
686 if repeat.direction == -1:
691 if ending_element and hasattr (ending_element, 'type'):
692 ending = EndingMarker ()
693 ending.direction = {"start": -1, "stop": 1, "discontinue": 1}.get (ending_element.type, 0)
694 ending.event = barline
695 if ending.direction == -1:
701 b = musicexp.BarLine ()
705 return retval.values ()
707 spanner_event_dict = {
708 'beam' : musicexp.BeamEvent,
709 'dashes' : musicexp.TextSpannerEvent,
710 'bracket' : musicexp.BracketSpannerEvent,
711 'glissando' : musicexp.GlissandoEvent,
712 'octave-shift' : musicexp.OctaveShiftEvent,
713 'pedal' : musicexp.PedalEvent,
714 'slur' : musicexp.SlurEvent,
715 'wavy-line' : musicexp.TrillSpanEvent,
716 'wedge' : musicexp.HairpinEvent
718 spanner_type_dict = {
732 def musicxml_spanner_to_lily_event (mxl_event):
735 name = mxl_event.get_name()
736 func = spanner_event_dict.get (name)
740 error_message ('unknown span event %s' % mxl_event)
743 type = mxl_event.get_type ()
744 span_direction = spanner_type_dict.get (type)
745 # really check for None, because some types will be translated to 0, which
746 # would otherwise also lead to the unknown span warning
747 if span_direction != None:
748 ev.span_direction = span_direction
750 error_message ('unknown span type %s for %s' % (type, name))
752 ev.set_span_type (type)
753 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
755 # assign the size, which is used for octave-shift, etc.
756 ev.size = mxl_event.get_size ()
760 def musicxml_direction_to_indicator (direction):
761 return { "above": 1, "upright": 1, "up":1, "below": -1, "downright": -1, "down": -1, "inverted": -1 }.get (direction, 0)
763 def musicxml_fermata_to_lily_event (mxl_event):
764 ev = musicexp.ArticulationEvent ()
765 txt = mxl_event.get_text ()
766 # The contents of the element defined the shape, possible are normal, angled and square
767 ev.type = { "angled": "shortfermata", "square": "longfermata" }.get (txt, "fermata")
768 if hasattr (mxl_event, 'type'):
769 dir = musicxml_direction_to_indicator (mxl_event.type)
770 if dir and options.convert_directions:
771 ev.force_direction = dir
774 def musicxml_arpeggiate_to_lily_event (mxl_event):
775 ev = musicexp.ArpeggioEvent ()
776 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
779 def musicxml_tremolo_to_lily_event (mxl_event):
780 ev = musicexp.TremoloEvent ()
781 txt = mxl_event.get_text ()
788 def musicxml_falloff_to_lily_event (mxl_event):
789 ev = musicexp.BendEvent ()
793 def musicxml_doit_to_lily_event (mxl_event):
794 ev = musicexp.BendEvent ()
798 def musicxml_bend_to_lily_event (mxl_event):
799 ev = musicexp.BendEvent ()
800 ev.alter = mxl_event.bend_alter ()
803 def musicxml_caesura_to_lily_event (mxl_event):
804 ev = musicexp.MarkupEvent ()
805 # FIXME: default to straight or curved caesura?
806 ev.contents = "\\musicglyph #\"scripts.caesura.straight\""
807 ev.force_direction = 1
810 def musicxml_fingering_event (mxl_event):
811 ev = musicexp.ShortArticulationEvent ()
812 ev.type = mxl_event.get_text ()
815 def musicxml_snappizzicato_event (mxl_event):
816 needed_additional_definitions.append ("snappizzicato")
817 ev = musicexp.MarkupEvent ()
818 ev.contents = "\\snappizzicato"
821 def musicxml_string_event (mxl_event):
822 ev = musicexp.NoDirectionArticulationEvent ()
823 ev.type = mxl_event.get_text ()
826 def musicxml_accidental_mark (mxl_event):
827 ev = musicexp.MarkupEvent ()
828 contents = { "sharp": "\\sharp",
829 "natural": "\\natural",
831 "double-sharp": "\\doublesharp",
832 "sharp-sharp": "\\sharp\\sharp",
833 "flat-flat": "\\flat\\flat",
834 "flat-flat": "\\doubleflat",
835 "natural-sharp": "\\natural\\sharp",
836 "natural-flat": "\\natural\\flat",
837 "quarter-flat": "\\semiflat",
838 "quarter-sharp": "\\semisharp",
839 "three-quarters-flat": "\\sesquiflat",
840 "three-quarters-sharp": "\\sesquisharp",
841 }.get (mxl_event.get_text ())
843 ev.contents = contents
848 # translate articulations, ornaments and other notations into ArticulationEvents
850 # -) string (ArticulationEvent with that name)
851 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
852 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
853 # TODO: Some translations are missing!
854 articulations_dict = {
855 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
856 "accidental-mark": musicxml_accidental_mark,
857 "bend": musicxml_bend_to_lily_event,
858 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
859 "caesura": musicxml_caesura_to_lily_event,
860 #"delayed-turn": "?",
861 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
862 "doit": musicxml_doit_to_lily_event,
863 #"double-tongue": "",
864 "down-bow": "downbow",
865 "falloff": musicxml_falloff_to_lily_event,
866 "fingering": musicxml_fingering_event,
870 "harmonic": "flageolet",
872 "inverted-mordent": "prall",
873 "inverted-turn": "reverseturn",
874 "mordent": "mordent",
875 "open-string": "open",
882 "snap-pizzicato": musicxml_snappizzicato_event,
884 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
885 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
886 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
888 "string": musicxml_string_event,
889 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
891 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
892 "thumb-position": "thumb",
895 "tremolo": musicxml_tremolo_to_lily_event,
896 "trill-mark": "trill",
897 #"triple-tongue": "",
902 articulation_spanners = [ "wavy-line" ]
904 def musicxml_articulation_to_lily_event (mxl_event):
905 # wavy-line elements are treated as trill spanners, not as articulation ornaments
906 if mxl_event.get_name () in articulation_spanners:
907 return musicxml_spanner_to_lily_event (mxl_event)
909 tmp_tp = articulations_dict.get (mxl_event.get_name ())
913 if isinstance (tmp_tp, str):
914 ev = musicexp.ArticulationEvent ()
916 elif isinstance (tmp_tp, tuple):
920 ev = tmp_tp (mxl_event)
922 # Some articulations use the type attribute, other the placement...
924 if hasattr (mxl_event, 'type') and options.convert_directions:
925 dir = musicxml_direction_to_indicator (mxl_event.type)
926 if hasattr (mxl_event, 'placement') and options.convert_directions:
927 dir = musicxml_direction_to_indicator (mxl_event.placement)
929 ev.force_direction = dir
934 def musicxml_dynamics_to_lily_event (dynentry):
935 dynamics_available = (
936 "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf",
937 "f", "ff", "fff", "ffff", "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" )
938 dynamicsname = dynentry.get_name ()
939 if dynamicsname == "other-dynamics":
940 dynamicsname = dynentry.get_text ()
941 if not dynamicsname or dynamicsname=="#text":
944 if not dynamicsname in dynamics_available:
945 # Get rid of - in tag names (illegal in ly tags!)
946 dynamicstext = dynamicsname
947 dynamicsname = string.replace (dynamicsname, "-", "")
948 additional_definitions[dynamicsname] = dynamicsname + \
949 " = #(make-dynamic-script \"" + dynamicstext + "\")"
950 needed_additional_definitions.append (dynamicsname)
951 event = musicexp.DynamicsEvent ()
952 event.type = dynamicsname
955 # Convert single-color two-byte strings to numbers 0.0 - 1.0
956 def hexcolorval_to_nr (hex_val):
958 v = int (hex_val, 16)
965 def hex_to_color (hex_val):
966 res = re.match (r'#([0-9a-f][0-9a-f]|)([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$', hex_val, re.IGNORECASE)
968 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
972 def musicxml_words_to_lily_event (words):
973 event = musicexp.TextEvent ()
974 text = words.get_text ()
975 text = re.sub ('^ *\n? *', '', text)
976 text = re.sub (' *\n? *$', '', text)
979 if hasattr (words, 'default-y') and options.convert_directions:
980 offset = getattr (words, 'default-y')
982 off = string.atoi (offset)
984 event.force_direction = 1
986 event.force_direction = -1
988 event.force_direction = 0
990 if hasattr (words, 'font-weight'):
991 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
993 event.markup += font_weight
995 if hasattr (words, 'font-size'):
996 size = getattr (words, 'font-size')
998 "xx-small": '\\teeny',
1003 "x-large": '\\huge',
1004 "xx-large": '\\bigger\\huge'
1007 event.markup += font_size
1009 if hasattr (words, 'color'):
1010 color = getattr (words, 'color')
1011 rgb = hex_to_color (color)
1013 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
1015 if hasattr (words, 'font-style'):
1016 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
1018 event.markup += font_style
1020 # TODO: How should I best convert the font-family attribute?
1022 # TODO: How can I represent the underline, overline and line-through
1023 # attributes in Lilypond? Values of these attributes indicate
1024 # the number of lines
1029 # convert accordion-registration to lilypond.
1030 # Since lilypond does not have any built-in commands, we need to create
1031 # the markup commands manually and define our own variables.
1032 # Idea was taken from: http://lsr.dsi.unimi.it/LSR/Item?id=194
1033 def musicxml_accordion_to_markup (mxl_event):
1034 commandname = "accReg"
1037 high = mxl_event.get_maybe_exist_named_child ('accordion-high')
1040 command += """\\combine
1041 \\raise #2.5 \\musicglyph #\"accordion.accDot\"
1043 middle = mxl_event.get_maybe_exist_named_child ('accordion-middle')
1047 txt = string.atoi (middle.get_text ())
1051 commandname += "MMM"
1052 command += """\\combine
1053 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1055 \\raise #1.5 \\translate #(cons 1 0) \\musicglyph #\"accordion.accDot\"
1057 \\raise #1.5 \\translate #(cons -1 0) \\musicglyph #\"accordion.accDot\"
1061 command += """\\combine
1062 \\raise #1.5 \\translate #(cons 0.5 0) \\musicglyph #\"accordion.accDot\"
1064 \\raise #1.5 \\translate #(cons -0.5 0) \\musicglyph #\"accordion.accDot\"
1068 command += """\\combine
1069 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1071 low = mxl_event.get_maybe_exist_named_child ('accordion-low')
1074 command += """\\combine
1075 \\raise #0.5 \musicglyph #\"accordion.accDot\"
1078 command += "\musicglyph #\"accordion.accDiscant\""
1079 command = "\\markup { \\normalsize %s }" % command
1080 additional_definitions[commandname] = "%s = %s" % (commandname, command)
1081 print additional_definitions
1082 needed_additional_definitions.append (commandname)
1083 return "\\%s" % commandname
1085 def musicxml_accordion_to_ly (mxl_event):
1086 txt = musicxml_accordion_to_markup (mxl_event)
1088 ev = musicexp.MarkEvent (txt)
1093 def musicxml_rehearsal_to_ly_mark (mxl_event):
1094 text = mxl_event.get_text ()
1097 # default is boxed rehearsal marks!
1099 if hasattr (mxl_event, 'enclosure'):
1100 encl = {"none": None, "square": "box", "circle": "circle" }.get (mxl_event.enclosure, None)
1102 text = "\\%s { %s }" % (encl, text)
1103 ev = musicexp.MarkEvent ("\\markup { %s }" % text)
1106 # translate directions into Events, possible values:
1107 # -) string (MarkEvent with that command)
1108 # -) function (function(mxl_event) needs to return a full Event-derived object
1109 # -) (class, name) (like string, only that a different class than MarkEvent is used)
1111 'accordion-registration' : musicxml_accordion_to_ly,
1112 'coda' : (musicexp.MusicGlyphMarkEvent, "coda"),
1115 # 'eyeglasses': ??????
1119 'rehearsal' : musicxml_rehearsal_to_ly_mark,
1121 'segno' : (musicexp.MusicGlyphMarkEvent, "segno"),
1122 'words' : musicxml_words_to_lily_event,
1124 directions_spanners = [ 'octave-shift', 'pedal', 'wedge', 'dashes', 'bracket' ]
1126 def musicxml_direction_to_lily (n):
1127 # TODO: Handle the <staff> element!
1129 # placement applies to all children!
1131 if hasattr (n, 'placement') and options.convert_directions:
1132 dir = musicxml_direction_to_indicator (n.placement)
1133 dirtype_children = []
1134 # TODO: The direction-type is used for grouping (e.g. dynamics with text),
1135 # so we can't simply flatten them out!
1136 for dt in n.get_typed_children (musicxml.DirType):
1137 dirtype_children += dt.get_all_children ()
1139 for entry in dirtype_children:
1140 # backets, dashes, octave shifts. pedal marks, hairpins etc. are spanners:
1141 if entry.get_name() in directions_spanners:
1142 event = musicxml_spanner_to_lily_event (entry)
1147 # now treat all the "simple" ones, that can be translated using the dict
1149 tmp_tp = directions_dict.get (entry.get_name (), None)
1150 if isinstance (tmp_tp, str): # string means MarkEvent
1151 ev = musicexp.MarkEvent (tmp_tp)
1152 elif isinstance (tmp_tp, tuple): # tuple means (EventClass, "text")
1153 ev = tmp_tp[0] (tmp_tp[1])
1157 # TODO: set the correct direction! Unfortunately, \mark in ly does
1158 # not seem to support directions!
1162 if entry.get_name () == "dynamics":
1163 for dynentry in entry.get_all_children ():
1164 ev = musicxml_dynamics_to_lily_event (dynentry)
1170 def musicxml_frame_to_lily_event (frame):
1171 ev = musicexp.FretEvent ()
1172 ev.strings = frame.get_strings ()
1173 ev.frets = frame.get_frets ()
1174 #offset = frame.get_first_fret () - 1
1176 for fn in frame.get_named_children ('frame-note'):
1177 fret = fn.get_fret ()
1180 el = [ fn.get_string (), fret ]
1181 fingering = fn.get_fingering ()
1183 el.append (fingering)
1184 ev.elements.append (el)
1187 barre[0] = el[0] # start string
1188 barre[2] = el[1] # fret
1190 barre[1] = el[0] # end string
1195 def musicxml_harmony_to_lily (n):
1197 for f in n.get_named_children ('frame'):
1198 ev = musicxml_frame_to_lily_event (f)
1204 instrument_drumtype_dict = {
1205 'Acoustic Snare Drum': 'acousticsnare',
1206 'Side Stick': 'sidestick',
1207 'Open Triangle': 'opentriangle',
1208 'Mute Triangle': 'mutetriangle',
1209 'Tambourine': 'tambourine',
1210 'Bass Drum': 'bassdrum',
1213 def musicxml_note_to_lily_main_event (n):
1218 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1220 pitch = musicxml_pitch_to_lily (mxl_pitch)
1221 event = musicexp.NoteEvent ()
1224 acc = n.get_maybe_exist_named_child ('accidental')
1226 # let's not force accs everywhere.
1227 event.cautionary = acc.editorial
1229 elif n.get_maybe_exist_typed_child (musicxml.Unpitched):
1230 # Unpitched elements have display-step and can also have
1232 unpitched = n.get_maybe_exist_typed_child (musicxml.Unpitched)
1233 event = musicexp.NoteEvent ()
1234 event.pitch = musicxml_unpitched_to_lily (unpitched)
1236 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1237 # rests can have display-octave and display-step, which are
1238 # treated like an ordinary note pitch
1239 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1240 event = musicexp.RestEvent ()
1241 pitch = musicxml_restdisplay_to_lily (rest)
1244 elif n.instrument_name:
1245 event = musicexp.NoteEvent ()
1246 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1248 event.drum_type = drum_type
1250 n.message ("drum %s type unknown, please add to instrument_drumtype_dict" % n.instrument_name)
1251 event.drum_type = 'acousticsnare'
1254 n.message ("cannot find suitable event")
1257 event.duration = musicxml_duration_to_lily (n)
1264 def __init__ (self, here, dest):
1268 class LilyPondVoiceBuilder:
1269 def __init__ (self):
1271 self.pending_dynamics = []
1272 self.end_moment = Rational (0)
1273 self.begin_moment = Rational (0)
1274 self.pending_multibar = Rational (0)
1275 self.ignore_skips = False
1277 def _insert_multibar (self):
1278 r = musicexp.MultiMeasureRest ()
1279 r.duration = musicexp.Duration()
1280 r.duration.duration_log = 0
1281 r.duration.factor = self.pending_multibar
1282 self.elements.append (r)
1283 self.begin_moment = self.end_moment
1284 self.end_moment = self.begin_moment + self.pending_multibar
1285 self.pending_multibar = Rational (0)
1287 def add_multibar_rest (self, duration):
1288 self.pending_multibar += duration
1290 def set_duration (self, duration):
1291 self.end_moment = self.begin_moment + duration
1292 def current_duration (self):
1293 return self.end_moment - self.begin_moment
1295 def add_music (self, music, duration):
1296 assert isinstance (music, musicexp.Music)
1297 if self.pending_multibar > Rational (0):
1298 self._insert_multibar ()
1300 self.elements.append (music)
1301 self.begin_moment = self.end_moment
1302 self.set_duration (duration)
1304 # Insert all pending dynamics right after the note/rest:
1305 if isinstance (music, musicexp.ChordEvent) and self.pending_dynamics:
1306 for d in self.pending_dynamics:
1308 self.pending_dynamics = []
1310 # Insert some music command that does not affect the position in the measure
1311 def add_command (self, command):
1312 assert isinstance (command, musicexp.Music)
1313 if self.pending_multibar > Rational (0):
1314 self._insert_multibar ()
1315 self.elements.append (command)
1316 def add_barline (self, barline):
1317 # TODO: Implement merging of default barline and custom bar line
1318 self.add_music (barline, Rational (0))
1319 def add_partial (self, command):
1320 self.ignore_skips = True
1321 self.add_command (command)
1323 def add_dynamics (self, dynamic):
1324 # store the dynamic item(s) until we encounter the next note/rest:
1325 self.pending_dynamics.append (dynamic)
1327 def add_bar_check (self, number):
1328 b = musicexp.BarLine ()
1329 b.bar_number = number
1330 self.add_barline (b)
1332 def jumpto (self, moment):
1333 current_end = self.end_moment + self.pending_multibar
1334 diff = moment - current_end
1336 if diff < Rational (0):
1337 error_message ('Negative skip %s' % diff)
1340 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
1341 skip = musicexp.SkipEvent()
1343 duration_log = {1: 0, 2: 1, 4:2, 8:3, 16:4, 32:5, 64:6, 128:7, 256:8, 512:9}.get (diff.denominator (), -1)
1345 if duration_log > 0: # denominator is a power of 2...
1346 if diff.numerator () == 3:
1350 duration_factor = Rational (diff.numerator ())
1353 duration_factor = diff
1354 skip.duration.duration_log = duration_log
1355 skip.duration.factor = duration_factor
1356 skip.duration.dots = duration_dots
1358 evc = musicexp.ChordEvent ()
1359 evc.elements.append (skip)
1360 self.add_music (evc, diff)
1362 if diff > Rational (0) and moment == 0:
1363 self.ignore_skips = False
1365 def last_event_chord (self, starting_at):
1369 # if the position matches, find the last ChordEvent, do not cross a bar line!
1370 at = len( self.elements ) - 1
1372 not isinstance (self.elements[at], musicexp.ChordEvent) and
1373 not isinstance (self.elements[at], musicexp.BarLine)):
1378 and isinstance (self.elements[at], musicexp.ChordEvent)
1379 and self.begin_moment == starting_at):
1380 value = self.elements[at]
1382 self.jumpto (starting_at)
1386 def correct_negative_skip (self, goto):
1387 self.end_moment = goto
1388 self.begin_moment = goto
1389 evc = musicexp.ChordEvent ()
1390 self.elements.append (evc)
1394 def __init__ (self):
1395 self.voicedata = None
1396 self.ly_voice = None
1397 self.lyrics_dict = {}
1398 self.lyrics_order = []
1400 def musicxml_step_to_lily (step):
1402 return (ord (step) - ord ('A') + 7 - 2) % 7
1406 def musicxml_voice_to_lily_voice (voice):
1410 return_value = VoiceData ()
1411 return_value.voicedata = voice
1413 # First pitch needed for relative mode (if selected in command-line options)
1416 # Needed for melismata detection (ignore lyrics on those notes!):
1420 ignore_lyrics = False
1422 current_staff = None
1424 # Make sure that the keys in the dict don't get reordered, since
1425 # we need the correct ordering of the lyrics stanzas! By default,
1426 # a dict will reorder its keys
1427 return_value.lyrics_order = voice.get_lyrics_numbers ()
1428 for k in return_value.lyrics_order:
1431 voice_builder = LilyPondVoiceBuilder()
1433 for n in voice._elements:
1434 if n.get_name () == 'forward':
1436 staff = n.get_maybe_exist_named_child ('staff')
1438 staff = staff.get_text ()
1439 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
1440 voice_builder.add_command (musicexp.StaffChange (staff))
1441 current_staff = staff
1443 if isinstance (n, musicxml.Partial) and n.partial > 0:
1444 a = musicxml_partial_to_lily (n.partial)
1446 voice_builder.add_partial (a)
1449 if isinstance (n, musicxml.Direction):
1450 for a in musicxml_direction_to_lily (n):
1451 if a.wait_for_note ():
1452 voice_builder.add_dynamics (a)
1454 voice_builder.add_command (a)
1457 if isinstance (n, musicxml.Harmony):
1458 for a in musicxml_harmony_to_lily (n):
1459 if a.wait_for_note ():
1460 voice_builder.add_dynamics (a)
1462 voice_builder.add_command (a)
1465 is_chord = n.get_maybe_exist_named_child ('chord')
1468 voice_builder.jumpto (n._when)
1469 except NegativeSkip, neg:
1470 voice_builder.correct_negative_skip (n._when)
1471 n.message ("Negative skip? from %s to %s, diff %s" % (neg.here, neg.dest, neg.dest - neg.here))
1473 if isinstance (n, musicxml.Attributes):
1474 if n.is_first () and n._measure_position == Rational (0):
1476 number = int (n.get_parent ().number)
1480 voice_builder.add_bar_check (number)
1482 for a in musicxml_attributes_to_lily (n):
1483 voice_builder.add_command (a)
1486 if isinstance (n, musicxml.Barline):
1487 barlines = musicxml_barline_to_lily (n)
1489 if isinstance (a, musicexp.BarLine):
1490 voice_builder.add_barline (a)
1491 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
1492 voice_builder.add_command (a)
1495 if not n.__class__.__name__ == 'Note':
1496 error_message ('not a Note or Attributes? %s' % n)
1499 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1501 and rest.is_whole_measure ()):
1503 voice_builder.add_multibar_rest (n._duration)
1506 if n.is_first () and n._measure_position == Rational (0):
1508 num = int (n.get_parent ().number)
1512 voice_builder.add_bar_check (num)
1514 main_event = musicxml_note_to_lily_main_event (n)
1515 if main_event and not first_pitch:
1516 first_pitch = main_event.pitch
1517 ignore_lyrics = inside_slur or is_tied or is_chord
1519 if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
1520 modes_found['drummode'] = True
1522 ev_chord = voice_builder.last_event_chord (n._when)
1524 ev_chord = musicexp.ChordEvent()
1525 voice_builder.add_music (ev_chord, n._duration)
1527 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
1530 if n.get_maybe_exist_typed_child (musicxml.Chord) and ev_chord.grace_elements:
1531 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
1533 grace_chord = musicexp.ChordEvent ()
1534 ev_chord.append_grace (grace_chord)
1535 if hasattr (grace, 'slash'):
1536 # TODO: use grace_type = "appoggiatura" for slurred grace notes
1537 if grace.slash == "yes":
1538 ev_chord.grace_type = "acciaccatura"
1539 # now that we have inserted the chord into the grace music, insert
1540 # everything into that chord instead of the ev_chord
1541 ev_chord = grace_chord
1542 ev_chord.append (main_event)
1543 ignore_lyrics = True
1545 ev_chord.append (main_event)
1546 # When a note/chord has grace notes (duration==0), the duration of the
1547 # event chord is not yet known, but the event chord was already added
1548 # with duration 0. The following correct this when we hit the real note!
1549 if voice_builder.current_duration () == 0 and n._duration > 0:
1550 voice_builder.set_duration (n._duration)
1552 notations_children = n.get_typed_children (musicxml.Notations)
1556 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
1557 # +tied | +slur | +tuplet | glissando | slide |
1558 # ornaments | technical | articulations | dynamics |
1559 # +fermata | arpeggiate | non-arpeggiate |
1560 # accidental-mark | other-notation
1561 for notations in notations_children:
1562 for tuplet_event in notations.get_tuplets():
1563 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1566 frac = mod.get_fraction ()
1568 tuplet_events.append ((ev_chord, tuplet_event, frac))
1570 slurs = [s for s in notations.get_named_children ('slur')
1571 if s.get_type () in ('start','stop')]
1574 error_message ('more than 1 slur?')
1575 # record the slur status for the next note in the loop
1577 if slurs[0].get_type () == 'start':
1579 elif slurs[0].get_type () == 'stop':
1581 lily_ev = musicxml_spanner_to_lily_event (slurs[0])
1582 ev_chord.append (lily_ev)
1585 mxl_tie = notations.get_tie ()
1586 if mxl_tie and mxl_tie.type == 'start':
1587 ev_chord.append (musicexp.TieEvent ())
1592 fermatas = notations.get_named_children ('fermata')
1594 ev = musicxml_fermata_to_lily_event (a)
1596 ev_chord.append (ev)
1598 arpeggiate = notations.get_named_children ('arpeggiate')
1599 for a in arpeggiate:
1600 ev = musicxml_arpeggiate_to_lily_event (a)
1602 ev_chord.append (ev)
1604 glissandos = notations.get_named_children ('glissando')
1605 for a in glissandos:
1606 ev = musicxml_spanner_to_lily_event (a)
1608 ev_chord.append (ev)
1610 # Articulations can contain the following child elements:
1611 # accent | strong-accent | staccato | tenuto |
1612 # detached-legato | staccatissimo | spiccato |
1613 # scoop | plop | doit | falloff | breath-mark |
1614 # caesura | stress | unstress
1615 # Technical can contain the following child elements:
1616 # up-bow | down-bow | harmonic | open-string |
1617 # thumb-position | fingering | pluck | double-tongue |
1618 # triple-tongue | stopped | snap-pizzicato | fret |
1619 # string | hammer-on | pull-off | bend | tap | heel |
1620 # toe | fingernails | other-technical
1621 # Ornaments can contain the following child elements:
1622 # trill-mark | turn | delayed-turn | inverted-turn |
1623 # shake | wavy-line | mordent | inverted-mordent |
1624 # schleifer | tremolo | other-ornament, accidental-mark
1625 ornaments = notations.get_named_children ('ornaments')
1626 ornaments += notations.get_named_children ('articulations')
1627 ornaments += notations.get_named_children ('technical')
1630 for ch in a.get_all_children ():
1631 ev = musicxml_articulation_to_lily_event (ch)
1633 ev_chord.append (ev)
1635 dynamics = notations.get_named_children ('dynamics')
1637 for ch in a.get_all_children ():
1638 ev = musicxml_dynamics_to_lily_event (ch)
1640 ev_chord.append (ev)
1642 # Extract the lyrics
1643 if not rest and not ignore_lyrics:
1644 note_lyrics_processed = []
1645 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
1646 for l in note_lyrics_elements:
1647 if l.get_number () < 0:
1648 for k in lyrics.keys ():
1649 lyrics[k].append (l.lyric_to_text ())
1650 note_lyrics_processed.append (k)
1652 lyrics[l.number].append(l.lyric_to_text ())
1653 note_lyrics_processed.append (l.number)
1654 for lnr in lyrics.keys ():
1655 if not lnr in note_lyrics_processed:
1656 lyrics[lnr].append ("\skip4")
1659 mxl_beams = [b for b in n.get_named_children ('beam')
1660 if (b.get_type () in ('begin', 'end')
1661 and b.is_primary ())]
1663 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
1665 ev_chord.append (beam_ev)
1668 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1671 frac = mod.get_fraction ()
1673 tuplet_events.append ((ev_chord, tuplet_event, frac))
1675 ## force trailing mm rests to be written out.
1676 voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
1678 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
1679 ly_voice = group_repeats (ly_voice)
1681 seq_music = musicexp.SequentialMusic ()
1683 if 'drummode' in modes_found.keys ():
1684 ## \key <pitch> barfs in drummode.
1685 ly_voice = [e for e in ly_voice
1686 if not isinstance(e, musicexp.KeySignatureChange)]
1688 seq_music.elements = ly_voice
1689 for k in lyrics.keys ():
1690 return_value.lyrics_dict[k] = musicexp.Lyrics ()
1691 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
1694 if len (modes_found) > 1:
1695 error_message ('Too many modes found %s' % modes_found.keys ())
1697 if options.relative:
1698 v = musicexp.RelativeMusic ()
1699 v.element = seq_music
1700 v.basepitch = first_pitch
1703 return_value.ly_voice = seq_music
1704 for mode in modes_found.keys ():
1705 v = musicexp.ModeChangingMusicWrapper()
1706 v.element = seq_music
1708 return_value.ly_voice = v
1712 def musicxml_id_to_lily (id):
1713 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
1714 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
1716 for digit in digits:
1717 d = digits.index (digit)
1718 id = re.sub ('%d' % d, digit, id)
1720 id = re.sub ('[^a-zA-Z]', 'X', id)
1723 def musicxml_pitch_to_lily (mxl_pitch):
1724 p = musicexp.Pitch ()
1725 p.alteration = mxl_pitch.get_alteration ()
1726 p.step = musicxml_step_to_lily (mxl_pitch.get_step ())
1727 p.octave = mxl_pitch.get_octave () - 4
1730 def musicxml_unpitched_to_lily (mxl_unpitched):
1732 step = mxl_unpitched.get_step ()
1734 p = musicexp.Pitch ()
1735 p.step = musicxml_step_to_lily (step)
1736 octave = mxl_unpitched.get_octave ()
1738 p.octave = octave - 4
1741 def musicxml_restdisplay_to_lily (mxl_rest):
1743 step = mxl_rest.get_step ()
1745 p = musicexp.Pitch ()
1746 p.step = musicxml_step_to_lily (step)
1747 octave = mxl_rest.get_octave ()
1749 p.octave = octave - 4
1752 def voices_in_part (part):
1753 """Return a Name -> Voice dictionary for PART"""
1755 part.extract_voices ()
1756 voices = part.get_voices ()
1757 part_info = part.get_staff_attributes ()
1759 return (voices, part_info)
1761 def voices_in_part_in_parts (parts):
1762 """return a Part -> Name -> Voice dictionary"""
1763 return dict([(p.id, voices_in_part (p)) for p in parts])
1766 def get_all_voices (parts):
1767 all_voices = voices_in_part_in_parts (parts)
1770 all_ly_staffinfo = {}
1771 for p, (name_voice, staff_info) in all_voices.items ():
1774 for n, v in name_voice.items ():
1775 progress ("Converting to LilyPond expressions...")
1776 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
1777 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
1779 all_ly_voices[p] = part_ly_voices
1780 all_ly_staffinfo[p] = staff_info
1782 return (all_ly_voices, all_ly_staffinfo)
1785 def option_parser ():
1786 p = ly.get_option_parser(usage=_ ("musicxml2ly [options] FILE.xml"),
1787 version=('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
1789 _ ("""This program is free software. It is covered by the GNU General Public
1790 License and you are welcome to change it and/or distribute copies of it
1791 under certain conditions. Invoke as `%s --warranty' for more
1792 information.""") % 'lilypond'
1794 Copyright (c) 2005--2007 by
1795 Han-Wen Nienhuys <hanwen@xs4all.nl>,
1796 Jan Nieuwenhuizen <janneke@gnu.org> and
1797 Reinhold Kainhofer <reinhold@kainhofer.com>
1799 description=_ ("Convert %s to LilyPond input.") % 'MusicXML' + "\n")
1800 p.add_option ('-v', '--verbose',
1801 action="store_true",
1803 help=_ ("be verbose"))
1805 p.add_option ('', '--lxml',
1806 action="store_true",
1809 help=_ ("Use lxml.etree; uses less memory and cpu time."))
1811 p.add_option ('-z', '--compressed',
1812 action = "store_true",
1813 dest = 'compressed',
1815 help = _ ("Input file is a zip-compressed MusicXML file."))
1817 p.add_option ('-r', '--relative',
1818 action = "store_true",
1820 help = _ ("Convert pitches in relative mode."))
1822 p.add_option ('-l', '--language',
1824 help = _ ("Use a different language file, e.g. 'deutsch' for deutsch.ly."))
1826 p.add_option ('--no-articulation-directions', '--nd',
1827 action = "store_false",
1829 dest = "convert_directions",
1830 help = _ ("Do not convert directions (^, _ or -) for articulations."))
1832 p.add_option ('-o', '--output',
1838 help=_ ("set output filename to FILE"))
1839 p.add_option_group ('bugs',
1840 description=(_ ("Report bugs via")
1841 + ''' http://post.gmane.org/post.php'''
1842 '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
1845 def music_xml_voice_name_to_lily_name (part_id, name):
1846 str = "Part%sVoice%s" % (part_id, name)
1847 return musicxml_id_to_lily (str)
1849 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
1850 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
1851 return musicxml_id_to_lily (str)
1853 def print_voice_definitions (printer, part_list, voices):
1854 for part in part_list:
1856 nv_dict = voices.get (part_id, {})
1857 for (name, voice) in nv_dict.items ():
1858 k = music_xml_voice_name_to_lily_name (part_id, name)
1859 printer.dump ('%s = ' % k)
1860 voice.ly_voice.print_ly (printer)
1862 for l in voice.lyrics_order:
1863 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
1864 printer.dump ('%s = ' %lname )
1865 voice.lyrics_dict[l].print_ly (printer)
1870 return dict ([(elt,1) for elt in l]).keys ()
1872 # format the information about the staff in the form
1875 # [voiceid1, [lyricsid11, lyricsid12,...] ...],
1876 # [voiceid2, [lyricsid21, lyricsid22,...] ...],
1880 # raw_voices is of the form [(voicename, lyricsids)*]
1881 def format_staff_info (part_id, staff_id, raw_voices):
1883 for (v, lyricsids) in raw_voices:
1884 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
1885 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
1887 voices.append ([voice_name, voice_lyrics])
1888 return [staff_id, voices]
1890 def update_score_setup (score_structure, part_list, voices):
1892 for part_definition in part_list:
1893 part_id = part_definition.id
1894 nv_dict = voices.get (part_id)
1896 error_message ('unknown part in part-list: %s' % part_id)
1899 staves = reduce (lambda x,y: x+ y,
1900 [voice.voicedata._staves.keys ()
1901 for voice in nv_dict.values ()],
1904 if len (staves) > 1:
1906 staves = uniq_list (staves)
1909 thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
1910 for (voice_name, voice) in nv_dict.items ()
1911 if voice.voicedata._start_staff == s]
1912 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
1914 thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
1915 for (voice_name, voice) in nv_dict.items ()]
1916 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
1917 score_structure.set_part_information (part_id, staves_info)
1919 def print_ly_preamble (printer, filename):
1920 printer.dump_version ()
1921 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
1923 def print_ly_additional_definitions (printer, filename):
1924 if needed_additional_definitions:
1926 printer.print_verbatim ('%% additional definitions required by the score:')
1928 for a in set(needed_additional_definitions):
1929 printer.print_verbatim (additional_definitions.get (a, ''))
1933 # Read in the tree from the given I/O object (either file or string) and
1934 # demarshall it using the classes from the musicxml.py file
1935 def read_xml (io_object, use_lxml):
1938 tree = lxml.etree.parse (io_object)
1939 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
1942 from xml.dom import minidom, Node
1943 doc = minidom.parse(io_object)
1944 node = doc.documentElement
1945 return musicxml.minidom_demarshal_node (node)
1949 def read_musicxml (filename, compressed, use_lxml):
1952 progress ("Input file %s is compressed, extracting raw MusicXML data" % filename)
1953 z = zipfile.ZipFile (filename, "r")
1954 container_xml = z.read ("META-INF/container.xml")
1955 if not container_xml:
1957 container = read_xml (StringIO.StringIO (container_xml), use_lxml)
1960 rootfiles = container.get_maybe_exist_named_child ('rootfiles')
1963 rootfile_list = rootfiles.get_named_children ('rootfile')
1965 if len (rootfile_list) > 0:
1966 mxml_file = getattr (rootfile_list[0], 'full-path', None)
1968 raw_string = z.read (mxml_file)
1970 io_object = filename
1972 io_object = StringIO.StringIO (raw_string)
1974 return read_xml (io_object, use_lxml)
1977 def convert (filename, options):
1978 progress ("Reading MusicXML from %s ..." % filename)
1980 tree = read_musicxml (filename, options.compressed, options.use_lxml)
1981 parts = tree.get_typed_children (musicxml.Part)
1982 (voices, staff_info) = get_all_voices (parts)
1984 score_structure = None
1985 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
1987 score_structure = extract_score_layout (mxl_pl, staff_info)
1988 part_list = mxl_pl.get_named_children ("score-part")
1990 # score information is contained in the <work>, <identification> or <movement-title> tags
1991 score_information = extract_score_information (tree)
1992 layout_information = extract_layout_information (tree)
1993 update_score_setup (score_structure, part_list, voices)
1995 if not options.output_name:
1996 options.output_name = os.path.basename (filename)
1997 options.output_name = os.path.splitext (options.output_name)[0]
1998 elif re.match (".*\.ly", options.output_name):
1999 options.output_name = os.path.splitext (options.output_name)[0]
2002 defs_ly_name = options.output_name + '-defs.ly'
2003 driver_ly_name = options.output_name + '.ly'
2005 printer = musicexp.Output_printer()
2006 progress ("Output to `%s'" % defs_ly_name)
2007 printer.set_file (codecs.open (defs_ly_name, 'wb', encoding='utf-8'))
2009 print_ly_preamble (printer, filename)
2010 print_ly_additional_definitions (printer, filename)
2011 if score_information:
2012 score_information.print_ly (printer)
2013 if layout_information:
2014 layout_information.print_ly (printer)
2015 print_voice_definitions (printer, part_list, voices)
2020 progress ("Output to `%s'" % driver_ly_name)
2021 printer = musicexp.Output_printer()
2022 printer.set_file (codecs.open (driver_ly_name, 'wb', encoding='utf-8'))
2023 print_ly_preamble (printer, filename)
2024 printer.dump (r'\include "%s"' % os.path.basename (defs_ly_name))
2025 score_structure.print_ly (printer)
2030 def get_existing_filename_with_extension (filename, ext):
2031 if os.path.exists (filename):
2033 newfilename = filename + "." + ext
2034 if os.path.exists (newfilename):
2036 newfilename = filename + ext
2037 if os.path.exists (newfilename):
2042 opt_parser = option_parser()
2045 (options, args) = opt_parser.parse_args ()
2047 opt_parser.print_usage()
2050 if options.language:
2051 musicexp.set_pitch_language (options.language)
2052 needed_additional_definitions.append (options.language)
2053 additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
2055 # Allow the user to leave out the .xml or xml on the filename
2056 filename = get_existing_filename_with_extension (args[0], "xml")
2058 filename = get_existing_filename_with_extension (args[0], "mxl")
2059 options.compressed = True
2060 if filename and os.path.exists (filename):
2061 voices = convert (filename, options)
2063 progress ("Unable to find input file %s" % args[0])
2065 if __name__ == '__main__':