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, expecting 'major' or 'minor'") % 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 ly.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 'slide' : musicexp.GlissandoEvent,
715 'slur' : musicexp.SlurEvent,
716 'wavy-line' : musicexp.TrillSpanEvent,
717 'wedge' : musicexp.HairpinEvent
719 spanner_type_dict = {
733 def musicxml_spanner_to_lily_event (mxl_event):
736 name = mxl_event.get_name()
737 func = spanner_event_dict.get (name)
741 error_message (_ ('unknown span event %s') % mxl_event)
744 type = mxl_event.get_type ()
745 span_direction = spanner_type_dict.get (type)
746 # really check for None, because some types will be translated to 0, which
747 # would otherwise also lead to the unknown span warning
748 if span_direction != None:
749 ev.span_direction = span_direction
751 error_message (_ ('unknown span type %s for %s') % (type, name))
753 ev.set_span_type (type)
754 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
756 # assign the size, which is used for octave-shift, etc.
757 ev.size = mxl_event.get_size ()
761 def musicxml_direction_to_indicator (direction):
762 return { "above": 1, "upright": 1, "up": 1, "below": -1, "downright": -1, "down": -1, "inverted": -1 }.get (direction, 0)
764 def musicxml_fermata_to_lily_event (mxl_event):
765 ev = musicexp.ArticulationEvent ()
766 txt = mxl_event.get_text ()
767 # The contents of the element defined the shape, possible are normal, angled and square
768 ev.type = { "angled": "shortfermata", "square": "longfermata" }.get (txt, "fermata")
769 if hasattr (mxl_event, 'type'):
770 dir = musicxml_direction_to_indicator (mxl_event.type)
771 if dir and options.convert_directions:
772 ev.force_direction = dir
775 def musicxml_arpeggiate_to_lily_event (mxl_event):
776 ev = musicexp.ArpeggioEvent ()
777 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
780 def musicxml_nonarpeggiate_to_lily_event (mxl_event):
781 ev = musicexp.ArpeggioEvent ()
782 ev.non_arpeggiate = True
783 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
786 def musicxml_tremolo_to_lily_event (mxl_event):
787 ev = musicexp.TremoloEvent ()
788 txt = mxl_event.get_text ()
795 def musicxml_falloff_to_lily_event (mxl_event):
796 ev = musicexp.BendEvent ()
800 def musicxml_doit_to_lily_event (mxl_event):
801 ev = musicexp.BendEvent ()
805 def musicxml_bend_to_lily_event (mxl_event):
806 ev = musicexp.BendEvent ()
807 ev.alter = mxl_event.bend_alter ()
810 def musicxml_caesura_to_lily_event (mxl_event):
811 ev = musicexp.MarkupEvent ()
812 # FIXME: default to straight or curved caesura?
813 ev.contents = "\\musicglyph #\"scripts.caesura.straight\""
814 ev.force_direction = 1
817 def musicxml_fingering_event (mxl_event):
818 ev = musicexp.ShortArticulationEvent ()
819 ev.type = mxl_event.get_text ()
822 def musicxml_snappizzicato_event (mxl_event):
823 needed_additional_definitions.append ("snappizzicato")
824 ev = musicexp.MarkupEvent ()
825 ev.contents = "\\snappizzicato"
828 def musicxml_string_event (mxl_event):
829 ev = musicexp.NoDirectionArticulationEvent ()
830 ev.type = mxl_event.get_text ()
833 def musicxml_accidental_mark (mxl_event):
834 ev = musicexp.MarkupEvent ()
835 contents = { "sharp": "\\sharp",
836 "natural": "\\natural",
838 "double-sharp": "\\doublesharp",
839 "sharp-sharp": "\\sharp\\sharp",
840 "flat-flat": "\\flat\\flat",
841 "flat-flat": "\\doubleflat",
842 "natural-sharp": "\\natural\\sharp",
843 "natural-flat": "\\natural\\flat",
844 "quarter-flat": "\\semiflat",
845 "quarter-sharp": "\\semisharp",
846 "three-quarters-flat": "\\sesquiflat",
847 "three-quarters-sharp": "\\sesquisharp",
848 }.get (mxl_event.get_text ())
850 ev.contents = contents
855 # translate articulations, ornaments and other notations into ArticulationEvents
857 # -) string (ArticulationEvent with that name)
858 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
859 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
860 # TODO: Some translations are missing!
861 articulations_dict = {
862 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
863 "accidental-mark": musicxml_accidental_mark,
864 "bend": musicxml_bend_to_lily_event,
865 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
866 "caesura": musicxml_caesura_to_lily_event,
867 #"delayed-turn": "?",
868 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
869 "doit": musicxml_doit_to_lily_event,
870 #"double-tongue": "",
871 "down-bow": "downbow",
872 "falloff": musicxml_falloff_to_lily_event,
873 "fingering": musicxml_fingering_event,
877 "harmonic": "flageolet",
879 "inverted-mordent": "prall",
880 "inverted-turn": "reverseturn",
881 "mordent": "mordent",
882 "open-string": "open",
889 "snap-pizzicato": musicxml_snappizzicato_event,
891 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
892 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
893 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
895 "string": musicxml_string_event,
896 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
898 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
899 "thumb-position": "thumb",
902 "tremolo": musicxml_tremolo_to_lily_event,
903 "trill-mark": "trill",
904 #"triple-tongue": "",
909 articulation_spanners = [ "wavy-line" ]
911 def musicxml_articulation_to_lily_event (mxl_event):
912 # wavy-line elements are treated as trill spanners, not as articulation ornaments
913 if mxl_event.get_name () in articulation_spanners:
914 return musicxml_spanner_to_lily_event (mxl_event)
916 tmp_tp = articulations_dict.get (mxl_event.get_name ())
920 if isinstance (tmp_tp, str):
921 ev = musicexp.ArticulationEvent ()
923 elif isinstance (tmp_tp, tuple):
927 ev = tmp_tp (mxl_event)
929 # Some articulations use the type attribute, other the placement...
931 if hasattr (mxl_event, 'type') and options.convert_directions:
932 dir = musicxml_direction_to_indicator (mxl_event.type)
933 if hasattr (mxl_event, 'placement') and options.convert_directions:
934 dir = musicxml_direction_to_indicator (mxl_event.placement)
936 ev.force_direction = dir
941 def musicxml_dynamics_to_lily_event (dynentry):
942 dynamics_available = (
943 "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf",
944 "f", "ff", "fff", "ffff", "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" )
945 dynamicsname = dynentry.get_name ()
946 if dynamicsname == "other-dynamics":
947 dynamicsname = dynentry.get_text ()
948 if not dynamicsname or dynamicsname=="#text":
951 if not dynamicsname in dynamics_available:
952 # Get rid of - in tag names (illegal in ly tags!)
953 dynamicstext = dynamicsname
954 dynamicsname = string.replace (dynamicsname, "-", "")
955 additional_definitions[dynamicsname] = dynamicsname + \
956 " = #(make-dynamic-script \"" + dynamicstext + "\")"
957 needed_additional_definitions.append (dynamicsname)
958 event = musicexp.DynamicsEvent ()
959 event.type = dynamicsname
962 # Convert single-color two-byte strings to numbers 0.0 - 1.0
963 def hexcolorval_to_nr (hex_val):
965 v = int (hex_val, 16)
972 def hex_to_color (hex_val):
973 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])$', hex_val, re.IGNORECASE)
975 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
979 def musicxml_words_to_lily_event (words):
980 event = musicexp.TextEvent ()
981 text = words.get_text ()
982 text = re.sub ('^ *\n? *', '', text)
983 text = re.sub (' *\n? *$', '', text)
986 if hasattr (words, 'default-y') and options.convert_directions:
987 offset = getattr (words, 'default-y')
989 off = string.atoi (offset)
991 event.force_direction = 1
993 event.force_direction = -1
995 event.force_direction = 0
997 if hasattr (words, 'font-weight'):
998 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
1000 event.markup += font_weight
1002 if hasattr (words, 'font-size'):
1003 size = getattr (words, 'font-size')
1005 "xx-small": '\\teeny',
1006 "x-small": '\\tiny',
1010 "x-large": '\\huge',
1011 "xx-large": '\\bigger\\huge'
1014 event.markup += font_size
1016 if hasattr (words, 'color'):
1017 color = getattr (words, 'color')
1018 rgb = hex_to_color (color)
1020 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
1022 if hasattr (words, 'font-style'):
1023 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
1025 event.markup += font_style
1027 # TODO: How should I best convert the font-family attribute?
1029 # TODO: How can I represent the underline, overline and line-through
1030 # attributes in Lilypond? Values of these attributes indicate
1031 # the number of lines
1036 # convert accordion-registration to lilypond.
1037 # Since lilypond does not have any built-in commands, we need to create
1038 # the markup commands manually and define our own variables.
1039 # Idea was taken from: http://lsr.dsi.unimi.it/LSR/Item?id=194
1040 def musicxml_accordion_to_markup (mxl_event):
1041 commandname = "accReg"
1044 high = mxl_event.get_maybe_exist_named_child ('accordion-high')
1047 command += """\\combine
1048 \\raise #2.5 \\musicglyph #\"accordion.accDot\"
1050 middle = mxl_event.get_maybe_exist_named_child ('accordion-middle')
1052 # By default, use one dot (when no or invalid content is given). The
1053 # MusicXML spec is quiet about this case...
1056 txt = string.atoi (middle.get_text ())
1060 commandname += "MMM"
1061 command += """\\combine
1062 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1064 \\raise #1.5 \\translate #(cons 1 0) \\musicglyph #\"accordion.accDot\"
1066 \\raise #1.5 \\translate #(cons -1 0) \\musicglyph #\"accordion.accDot\"
1070 command += """\\combine
1071 \\raise #1.5 \\translate #(cons 0.5 0) \\musicglyph #\"accordion.accDot\"
1073 \\raise #1.5 \\translate #(cons -0.5 0) \\musicglyph #\"accordion.accDot\"
1077 command += """\\combine
1078 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1080 low = mxl_event.get_maybe_exist_named_child ('accordion-low')
1083 command += """\\combine
1084 \\raise #0.5 \musicglyph #\"accordion.accDot\"
1087 command += "\musicglyph #\"accordion.accDiscant\""
1088 command = "\\markup { \\normalsize %s }" % command
1089 # Define the newly built command \accReg[H][MMM][L]
1090 additional_definitions[commandname] = "%s = %s" % (commandname, command)
1091 needed_additional_definitions.append (commandname)
1092 return "\\%s" % commandname
1094 def musicxml_accordion_to_ly (mxl_event):
1095 txt = musicxml_accordion_to_markup (mxl_event)
1097 ev = musicexp.MarkEvent (txt)
1102 def musicxml_rehearsal_to_ly_mark (mxl_event):
1103 text = mxl_event.get_text ()
1106 # default is boxed rehearsal marks!
1108 if hasattr (mxl_event, 'enclosure'):
1109 encl = {"none": None, "square": "box", "circle": "circle" }.get (mxl_event.enclosure, None)
1111 text = "\\%s { %s }" % (encl, text)
1112 ev = musicexp.MarkEvent ("\\markup { %s }" % text)
1115 # translate directions into Events, possible values:
1116 # -) string (MarkEvent with that command)
1117 # -) function (function(mxl_event) needs to return a full Event-derived object
1118 # -) (class, name) (like string, only that a different class than MarkEvent is used)
1120 'accordion-registration' : musicxml_accordion_to_ly,
1121 'coda' : (musicexp.MusicGlyphMarkEvent, "coda"),
1124 # 'eyeglasses': ??????
1128 'rehearsal' : musicxml_rehearsal_to_ly_mark,
1130 'segno' : (musicexp.MusicGlyphMarkEvent, "segno"),
1131 'words' : musicxml_words_to_lily_event,
1133 directions_spanners = [ 'octave-shift', 'pedal', 'wedge', 'dashes', 'bracket' ]
1135 def musicxml_direction_to_lily (n):
1136 # TODO: Handle the <staff> element!
1138 # placement applies to all children!
1140 if hasattr (n, 'placement') and options.convert_directions:
1141 dir = musicxml_direction_to_indicator (n.placement)
1142 dirtype_children = []
1143 # TODO: The direction-type is used for grouping (e.g. dynamics with text),
1144 # so we can't simply flatten them out!
1145 for dt in n.get_typed_children (musicxml.DirType):
1146 dirtype_children += dt.get_all_children ()
1148 for entry in dirtype_children:
1149 # backets, dashes, octave shifts. pedal marks, hairpins etc. are spanners:
1150 if entry.get_name() in directions_spanners:
1151 event = musicxml_spanner_to_lily_event (entry)
1156 # now treat all the "simple" ones, that can be translated using the dict
1158 tmp_tp = directions_dict.get (entry.get_name (), None)
1159 if isinstance (tmp_tp, str): # string means MarkEvent
1160 ev = musicexp.MarkEvent (tmp_tp)
1161 elif isinstance (tmp_tp, tuple): # tuple means (EventClass, "text")
1162 ev = tmp_tp[0] (tmp_tp[1])
1166 # TODO: set the correct direction! Unfortunately, \mark in ly does
1167 # not seem to support directions!
1171 if entry.get_name () == "dynamics":
1172 for dynentry in entry.get_all_children ():
1173 ev = musicxml_dynamics_to_lily_event (dynentry)
1179 def musicxml_frame_to_lily_event (frame):
1180 ev = musicexp.FretEvent ()
1181 ev.strings = frame.get_strings ()
1182 ev.frets = frame.get_frets ()
1183 #offset = frame.get_first_fret () - 1
1185 for fn in frame.get_named_children ('frame-note'):
1186 fret = fn.get_fret ()
1189 el = [ fn.get_string (), fret ]
1190 fingering = fn.get_fingering ()
1192 el.append (fingering)
1193 ev.elements.append (el)
1196 barre[0] = el[0] # start string
1197 barre[2] = el[1] # fret
1199 barre[1] = el[0] # end string
1204 def musicxml_harmony_to_lily (n):
1206 for f in n.get_named_children ('frame'):
1207 ev = musicxml_frame_to_lily_event (f)
1213 instrument_drumtype_dict = {
1214 'Acoustic Snare Drum': 'acousticsnare',
1215 'Side Stick': 'sidestick',
1216 'Open Triangle': 'opentriangle',
1217 'Mute Triangle': 'mutetriangle',
1218 'Tambourine': 'tambourine',
1219 'Bass Drum': 'bassdrum',
1222 def musicxml_note_to_lily_main_event (n):
1227 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1229 pitch = musicxml_pitch_to_lily (mxl_pitch)
1230 event = musicexp.NoteEvent ()
1233 acc = n.get_maybe_exist_named_child ('accidental')
1235 # let's not force accs everywhere.
1236 event.cautionary = acc.editorial
1238 elif n.get_maybe_exist_typed_child (musicxml.Unpitched):
1239 # Unpitched elements have display-step and can also have
1241 unpitched = n.get_maybe_exist_typed_child (musicxml.Unpitched)
1242 event = musicexp.NoteEvent ()
1243 event.pitch = musicxml_unpitched_to_lily (unpitched)
1245 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1246 # rests can have display-octave and display-step, which are
1247 # treated like an ordinary note pitch
1248 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1249 event = musicexp.RestEvent ()
1250 pitch = musicxml_restdisplay_to_lily (rest)
1253 elif n.instrument_name:
1254 event = musicexp.NoteEvent ()
1255 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1257 event.drum_type = drum_type
1259 n.message ("drum %s type unknown, please add to instrument_drumtype_dict" % n.instrument_name)
1260 event.drum_type = 'acousticsnare'
1263 n.message ("cannot find suitable event")
1266 event.duration = musicxml_duration_to_lily (n)
1273 def __init__ (self, here, dest):
1277 class LilyPondVoiceBuilder:
1278 def __init__ (self):
1280 self.pending_dynamics = []
1281 self.end_moment = Rational (0)
1282 self.begin_moment = Rational (0)
1283 self.pending_multibar = Rational (0)
1284 self.ignore_skips = False
1286 def _insert_multibar (self):
1287 r = musicexp.MultiMeasureRest ()
1288 r.duration = musicexp.Duration()
1289 r.duration.duration_log = 0
1290 r.duration.factor = self.pending_multibar
1291 self.elements.append (r)
1292 self.begin_moment = self.end_moment
1293 self.end_moment = self.begin_moment + self.pending_multibar
1294 self.pending_multibar = Rational (0)
1296 def add_multibar_rest (self, duration):
1297 self.pending_multibar += duration
1299 def set_duration (self, duration):
1300 self.end_moment = self.begin_moment + duration
1301 def current_duration (self):
1302 return self.end_moment - self.begin_moment
1304 def add_music (self, music, duration):
1305 assert isinstance (music, musicexp.Music)
1306 if self.pending_multibar > Rational (0):
1307 self._insert_multibar ()
1309 self.elements.append (music)
1310 self.begin_moment = self.end_moment
1311 self.set_duration (duration)
1313 # Insert all pending dynamics right after the note/rest:
1314 if isinstance (music, musicexp.ChordEvent) and self.pending_dynamics:
1315 for d in self.pending_dynamics:
1317 self.pending_dynamics = []
1319 # Insert some music command that does not affect the position in the measure
1320 def add_command (self, command):
1321 assert isinstance (command, musicexp.Music)
1322 if self.pending_multibar > Rational (0):
1323 self._insert_multibar ()
1324 self.elements.append (command)
1325 def add_barline (self, barline):
1326 # TODO: Implement merging of default barline and custom bar line
1327 self.add_music (barline, Rational (0))
1328 def add_partial (self, command):
1329 self.ignore_skips = True
1330 self.add_command (command)
1332 def add_dynamics (self, dynamic):
1333 # store the dynamic item(s) until we encounter the next note/rest:
1334 self.pending_dynamics.append (dynamic)
1336 def add_bar_check (self, number):
1337 b = musicexp.BarLine ()
1338 b.bar_number = number
1339 self.add_barline (b)
1341 def jumpto (self, moment):
1342 current_end = self.end_moment + self.pending_multibar
1343 diff = moment - current_end
1345 if diff < Rational (0):
1346 error_message (_ ('Negative skip %s') % diff)
1349 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
1350 skip = musicexp.SkipEvent()
1352 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)
1354 if duration_log > 0: # denominator is a power of 2...
1355 if diff.numerator () == 3:
1359 duration_factor = Rational (diff.numerator ())
1362 duration_factor = diff
1363 skip.duration.duration_log = duration_log
1364 skip.duration.factor = duration_factor
1365 skip.duration.dots = duration_dots
1367 evc = musicexp.ChordEvent ()
1368 evc.elements.append (skip)
1369 self.add_music (evc, diff)
1371 if diff > Rational (0) and moment == 0:
1372 self.ignore_skips = False
1374 def last_event_chord (self, starting_at):
1378 # if the position matches, find the last ChordEvent, do not cross a bar line!
1379 at = len( self.elements ) - 1
1381 not isinstance (self.elements[at], musicexp.ChordEvent) and
1382 not isinstance (self.elements[at], musicexp.BarLine)):
1387 and isinstance (self.elements[at], musicexp.ChordEvent)
1388 and self.begin_moment == starting_at):
1389 value = self.elements[at]
1391 self.jumpto (starting_at)
1395 def correct_negative_skip (self, goto):
1396 self.end_moment = goto
1397 self.begin_moment = goto
1398 evc = musicexp.ChordEvent ()
1399 self.elements.append (evc)
1403 def __init__ (self):
1404 self.voicedata = None
1405 self.ly_voice = None
1406 self.lyrics_dict = {}
1407 self.lyrics_order = []
1409 def musicxml_step_to_lily (step):
1411 return (ord (step) - ord ('A') + 7 - 2) % 7
1415 def musicxml_voice_to_lily_voice (voice):
1419 return_value = VoiceData ()
1420 return_value.voicedata = voice
1422 # First pitch needed for relative mode (if selected in command-line options)
1425 # Needed for melismata detection (ignore lyrics on those notes!):
1429 ignore_lyrics = False
1431 current_staff = None
1433 # Make sure that the keys in the dict don't get reordered, since
1434 # we need the correct ordering of the lyrics stanzas! By default,
1435 # a dict will reorder its keys
1436 return_value.lyrics_order = voice.get_lyrics_numbers ()
1437 for k in return_value.lyrics_order:
1440 voice_builder = LilyPondVoiceBuilder()
1442 for n in voice._elements:
1443 if n.get_name () == 'forward':
1445 staff = n.get_maybe_exist_named_child ('staff')
1447 staff = staff.get_text ()
1448 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
1449 voice_builder.add_command (musicexp.StaffChange (staff))
1450 current_staff = staff
1452 if isinstance (n, musicxml.Partial) and n.partial > 0:
1453 a = musicxml_partial_to_lily (n.partial)
1455 voice_builder.add_partial (a)
1458 if isinstance (n, musicxml.Direction):
1459 for a in musicxml_direction_to_lily (n):
1460 if a.wait_for_note ():
1461 voice_builder.add_dynamics (a)
1463 voice_builder.add_command (a)
1466 if isinstance (n, musicxml.Harmony):
1467 for a in musicxml_harmony_to_lily (n):
1468 if a.wait_for_note ():
1469 voice_builder.add_dynamics (a)
1471 voice_builder.add_command (a)
1474 is_chord = n.get_maybe_exist_named_child ('chord')
1477 voice_builder.jumpto (n._when)
1478 except NegativeSkip, neg:
1479 voice_builder.correct_negative_skip (n._when)
1480 n.message ("Negative skip? from %s to %s, diff %s" % (neg.here, neg.dest, neg.dest - neg.here))
1482 if isinstance (n, musicxml.Attributes):
1483 if n.is_first () and n._measure_position == Rational (0):
1485 number = int (n.get_parent ().number)
1489 voice_builder.add_bar_check (number)
1491 for a in musicxml_attributes_to_lily (n):
1492 voice_builder.add_command (a)
1495 if isinstance (n, musicxml.Barline):
1496 barlines = musicxml_barline_to_lily (n)
1498 if isinstance (a, musicexp.BarLine):
1499 voice_builder.add_barline (a)
1500 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
1501 voice_builder.add_command (a)
1504 if not n.__class__.__name__ == 'Note':
1505 error_message (_ ('unexpected %s; expected %s or %s or %s') % (n, 'Note', 'Attributes', 'Barline'))
1508 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1510 and rest.is_whole_measure ()):
1512 voice_builder.add_multibar_rest (n._duration)
1515 if n.is_first () and n._measure_position == Rational (0):
1517 num = int (n.get_parent ().number)
1521 voice_builder.add_bar_check (num)
1523 main_event = musicxml_note_to_lily_main_event (n)
1524 if main_event and not first_pitch:
1525 first_pitch = main_event.pitch
1526 ignore_lyrics = inside_slur or is_tied or is_chord
1528 if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
1529 modes_found['drummode'] = True
1531 ev_chord = voice_builder.last_event_chord (n._when)
1533 ev_chord = musicexp.ChordEvent()
1534 voice_builder.add_music (ev_chord, n._duration)
1536 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
1539 if n.get_maybe_exist_typed_child (musicxml.Chord) and ev_chord.grace_elements:
1540 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
1542 grace_chord = musicexp.ChordEvent ()
1543 ev_chord.append_grace (grace_chord)
1544 if hasattr (grace, 'slash'):
1545 # TODO: use grace_type = "appoggiatura" for slurred grace notes
1546 if grace.slash == "yes":
1547 ev_chord.grace_type = "acciaccatura"
1548 # now that we have inserted the chord into the grace music, insert
1549 # everything into that chord instead of the ev_chord
1550 ev_chord = grace_chord
1551 ev_chord.append (main_event)
1552 ignore_lyrics = True
1554 ev_chord.append (main_event)
1555 # When a note/chord has grace notes (duration==0), the duration of the
1556 # event chord is not yet known, but the event chord was already added
1557 # with duration 0. The following correct this when we hit the real note!
1558 if voice_builder.current_duration () == 0 and n._duration > 0:
1559 voice_builder.set_duration (n._duration)
1561 notations_children = n.get_typed_children (musicxml.Notations)
1565 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
1566 # +tied | +slur | +tuplet | glissando | slide |
1567 # ornaments | technical | articulations | dynamics |
1568 # +fermata | arpeggiate | non-arpeggiate |
1569 # accidental-mark | other-notation
1570 for notations in notations_children:
1571 for tuplet_event in notations.get_tuplets():
1572 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1575 frac = mod.get_fraction ()
1577 tuplet_events.append ((ev_chord, tuplet_event, frac))
1579 slurs = [s for s in notations.get_named_children ('slur')
1580 if s.get_type () in ('start','stop')]
1583 error_message (_ ('cannot have two simultaneous slurs'))
1584 # record the slur status for the next note in the loop
1586 if slurs[0].get_type () == 'start':
1588 elif slurs[0].get_type () == 'stop':
1590 lily_ev = musicxml_spanner_to_lily_event (slurs[0])
1591 ev_chord.append (lily_ev)
1594 mxl_tie = notations.get_tie ()
1595 if mxl_tie and mxl_tie.type == 'start':
1596 ev_chord.append (musicexp.TieEvent ())
1601 fermatas = notations.get_named_children ('fermata')
1603 ev = musicxml_fermata_to_lily_event (a)
1605 ev_chord.append (ev)
1607 arpeggiate = notations.get_named_children ('arpeggiate')
1608 for a in arpeggiate:
1609 ev = musicxml_arpeggiate_to_lily_event (a)
1611 ev_chord.append (ev)
1613 arpeggiate = notations.get_named_children ('non-arpeggiate')
1614 for a in arpeggiate:
1615 ev = musicxml_nonarpeggiate_to_lily_event (a)
1617 ev_chord.append (ev)
1619 glissandos = notations.get_named_children ('glissando')
1620 glissandos += notations.get_named_children ('slide')
1621 for a in glissandos:
1622 ev = musicxml_spanner_to_lily_event (a)
1624 ev_chord.append (ev)
1626 # Articulations can contain the following child elements:
1627 # accent | strong-accent | staccato | tenuto |
1628 # detached-legato | staccatissimo | spiccato |
1629 # scoop | plop | doit | falloff | breath-mark |
1630 # caesura | stress | unstress
1631 # Technical can contain the following child elements:
1632 # up-bow | down-bow | harmonic | open-string |
1633 # thumb-position | fingering | pluck | double-tongue |
1634 # triple-tongue | stopped | snap-pizzicato | fret |
1635 # string | hammer-on | pull-off | bend | tap | heel |
1636 # toe | fingernails | other-technical
1637 # Ornaments can contain the following child elements:
1638 # trill-mark | turn | delayed-turn | inverted-turn |
1639 # shake | wavy-line | mordent | inverted-mordent |
1640 # schleifer | tremolo | other-ornament, accidental-mark
1641 ornaments = notations.get_named_children ('ornaments')
1642 ornaments += notations.get_named_children ('articulations')
1643 ornaments += notations.get_named_children ('technical')
1646 for ch in a.get_all_children ():
1647 ev = musicxml_articulation_to_lily_event (ch)
1649 ev_chord.append (ev)
1651 dynamics = notations.get_named_children ('dynamics')
1653 for ch in a.get_all_children ():
1654 ev = musicxml_dynamics_to_lily_event (ch)
1656 ev_chord.append (ev)
1658 # Extract the lyrics
1659 if not rest and not ignore_lyrics:
1660 note_lyrics_processed = []
1661 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
1662 for l in note_lyrics_elements:
1663 if l.get_number () < 0:
1664 for k in lyrics.keys ():
1665 lyrics[k].append (l.lyric_to_text ())
1666 note_lyrics_processed.append (k)
1668 lyrics[l.number].append(l.lyric_to_text ())
1669 note_lyrics_processed.append (l.number)
1670 for lnr in lyrics.keys ():
1671 if not lnr in note_lyrics_processed:
1672 lyrics[lnr].append ("\skip4")
1675 mxl_beams = [b for b in n.get_named_children ('beam')
1676 if (b.get_type () in ('begin', 'end')
1677 and b.is_primary ())]
1679 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
1681 ev_chord.append (beam_ev)
1684 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1687 frac = mod.get_fraction ()
1689 tuplet_events.append ((ev_chord, tuplet_event, frac))
1691 ## force trailing mm rests to be written out.
1692 voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
1694 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
1695 ly_voice = group_repeats (ly_voice)
1697 seq_music = musicexp.SequentialMusic ()
1699 if 'drummode' in modes_found.keys ():
1700 ## \key <pitch> barfs in drummode.
1701 ly_voice = [e for e in ly_voice
1702 if not isinstance(e, musicexp.KeySignatureChange)]
1704 seq_music.elements = ly_voice
1705 for k in lyrics.keys ():
1706 return_value.lyrics_dict[k] = musicexp.Lyrics ()
1707 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
1710 if len (modes_found) > 1:
1711 error_message (_ ('cannot simultaneously have more than one mode: %s') % modes_found.keys ())
1713 if options.relative:
1714 v = musicexp.RelativeMusic ()
1715 v.element = seq_music
1716 v.basepitch = first_pitch
1719 return_value.ly_voice = seq_music
1720 for mode in modes_found.keys ():
1721 v = musicexp.ModeChangingMusicWrapper()
1722 v.element = seq_music
1724 return_value.ly_voice = v
1728 def musicxml_id_to_lily (id):
1729 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
1730 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
1732 for digit in digits:
1733 d = digits.index (digit)
1734 id = re.sub ('%d' % d, digit, id)
1736 id = re.sub ('[^a-zA-Z]', 'X', id)
1739 def musicxml_pitch_to_lily (mxl_pitch):
1740 p = musicexp.Pitch ()
1741 p.alteration = mxl_pitch.get_alteration ()
1742 p.step = musicxml_step_to_lily (mxl_pitch.get_step ())
1743 p.octave = mxl_pitch.get_octave () - 4
1746 def musicxml_unpitched_to_lily (mxl_unpitched):
1748 step = mxl_unpitched.get_step ()
1750 p = musicexp.Pitch ()
1751 p.step = musicxml_step_to_lily (step)
1752 octave = mxl_unpitched.get_octave ()
1754 p.octave = octave - 4
1757 def musicxml_restdisplay_to_lily (mxl_rest):
1759 step = mxl_rest.get_step ()
1761 p = musicexp.Pitch ()
1762 p.step = musicxml_step_to_lily (step)
1763 octave = mxl_rest.get_octave ()
1765 p.octave = octave - 4
1768 def voices_in_part (part):
1769 """Return a Name -> Voice dictionary for PART"""
1771 part.extract_voices ()
1772 voices = part.get_voices ()
1773 part_info = part.get_staff_attributes ()
1775 return (voices, part_info)
1777 def voices_in_part_in_parts (parts):
1778 """return a Part -> Name -> Voice dictionary"""
1779 return dict([(p.id, voices_in_part (p)) for p in parts])
1782 def get_all_voices (parts):
1783 all_voices = voices_in_part_in_parts (parts)
1786 all_ly_staffinfo = {}
1787 for p, (name_voice, staff_info) in all_voices.items ():
1790 for n, v in name_voice.items ():
1791 progress (_ ("Converting to LilyPond expressions..."))
1792 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
1793 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
1795 all_ly_voices[p] = part_ly_voices
1796 all_ly_staffinfo[p] = staff_info
1798 return (all_ly_voices, all_ly_staffinfo)
1801 def option_parser ():
1802 p = ly.get_option_parser (usage = _ ("musicxml2ly [options] FILE.xml"),
1803 description = _ ("Convert %s to LilyPond input.") % 'MusicXML' + "\n",
1804 add_help_option=False)
1806 p.add_option("-h", "--help",
1808 help=_ ("show this help and exit"))
1810 p.version = ('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
1812 _ ("""This program is free software. It is covered by the GNU General Public
1813 License and you are welcome to change it and/or distribute copies of it
1814 under certain conditions. Invoke as `%s --warranty' for more
1815 information.""") % 'lilypond'
1817 Copyright (c) 2005--2008 by
1818 Han-Wen Nienhuys <hanwen@xs4all.nl>,
1819 Jan Nieuwenhuizen <janneke@gnu.org> and
1820 Reinhold Kainhofer <reinhold@kainhofer.com>
1822 p.add_option("--version",
1824 help=_ ("show version number and exit"))
1826 p.add_option ('-v', '--verbose',
1827 action = "store_true",
1829 help = _ ("be verbose"))
1831 p.add_option ('', '--lxml',
1832 action = "store_true",
1835 help = _ ("use lxml.etree; uses less memory and cpu time"))
1837 p.add_option ('-z', '--compressed',
1838 action = "store_true",
1839 dest = 'compressed',
1841 help = _ ("input file is a zip-compressed MusicXML file"))
1843 p.add_option ('-r', '--relative',
1844 action = "store_true",
1847 help = _ ("convert pitches in relative mode (default)"))
1849 p.add_option ('-a', '--absolute',
1850 action = "store_false",
1852 help = _ ("convert pitches in absolute mode"))
1854 p.add_option ('-l', '--language',
1855 metavar = _ ("LANG"),
1857 help = _ ("use a different language file 'LANG.ly' and corresponding pitch names, e.g. 'deutsch' for deutsch.ly"))
1859 p.add_option ('--nd', '--no-articulation-directions',
1860 action = "store_false",
1862 dest = "convert_directions",
1863 help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
1865 p.add_option ('-o', '--output',
1866 metavar = _ ("FILE"),
1870 dest = 'output_name',
1871 help = _ ("set output filename to FILE"))
1872 p.add_option_group (ly.display_encode (_ ('Bugs')),
1873 description = (_ ("Report bugs via")
1874 + ''' http://post.gmane.org/post.php'''
1875 '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
1878 def music_xml_voice_name_to_lily_name (part_id, name):
1879 str = "Part%sVoice%s" % (part_id, name)
1880 return musicxml_id_to_lily (str)
1882 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
1883 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
1884 return musicxml_id_to_lily (str)
1886 def print_voice_definitions (printer, part_list, voices):
1887 for part in part_list:
1889 nv_dict = voices.get (part_id, {})
1890 for (name, voice) in nv_dict.items ():
1891 k = music_xml_voice_name_to_lily_name (part_id, name)
1892 printer.dump ('%s = ' % k)
1893 voice.ly_voice.print_ly (printer)
1895 for l in voice.lyrics_order:
1896 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
1897 printer.dump ('%s = ' %lname )
1898 voice.lyrics_dict[l].print_ly (printer)
1903 return dict ([(elt,1) for elt in l]).keys ()
1905 # format the information about the staff in the form
1908 # [voiceid1, [lyricsid11, lyricsid12,...] ...],
1909 # [voiceid2, [lyricsid21, lyricsid22,...] ...],
1913 # raw_voices is of the form [(voicename, lyricsids)*]
1914 def format_staff_info (part_id, staff_id, raw_voices):
1916 for (v, lyricsids) in raw_voices:
1917 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
1918 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
1920 voices.append ([voice_name, voice_lyrics])
1921 return [staff_id, voices]
1923 def update_score_setup (score_structure, part_list, voices):
1925 for part_definition in part_list:
1926 part_id = part_definition.id
1927 nv_dict = voices.get (part_id)
1929 error_message (_ ('unknown part in part-list: %s') % part_id)
1932 staves = reduce (lambda x,y: x+ y,
1933 [voice.voicedata._staves.keys ()
1934 for voice in nv_dict.values ()],
1937 if len (staves) > 1:
1939 staves = uniq_list (staves)
1942 thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
1943 for (voice_name, voice) in nv_dict.items ()
1944 if voice.voicedata._start_staff == s]
1945 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
1947 thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
1948 for (voice_name, voice) in nv_dict.items ()]
1949 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
1950 score_structure.set_part_information (part_id, staves_info)
1952 def print_ly_preamble (printer, filename):
1953 printer.dump_version ()
1954 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
1956 def print_ly_additional_definitions (printer, filename):
1957 if needed_additional_definitions:
1959 printer.print_verbatim ('%% additional definitions required by the score:')
1961 for a in set(needed_additional_definitions):
1962 printer.print_verbatim (additional_definitions.get (a, ''))
1966 # Read in the tree from the given I/O object (either file or string) and
1967 # demarshall it using the classes from the musicxml.py file
1968 def read_xml (io_object, use_lxml):
1971 tree = lxml.etree.parse (io_object)
1972 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
1975 from xml.dom import minidom, Node
1976 doc = minidom.parse(io_object)
1977 node = doc.documentElement
1978 return musicxml.minidom_demarshal_node (node)
1982 def read_musicxml (filename, compressed, use_lxml):
1985 progress (_ ("Input file %s is compressed, extracting raw MusicXML data") % filename)
1986 z = zipfile.ZipFile (filename, "r")
1987 container_xml = z.read ("META-INF/container.xml")
1988 if not container_xml:
1990 container = read_xml (StringIO.StringIO (container_xml), use_lxml)
1993 rootfiles = container.get_maybe_exist_named_child ('rootfiles')
1996 rootfile_list = rootfiles.get_named_children ('rootfile')
1998 if len (rootfile_list) > 0:
1999 mxml_file = getattr (rootfile_list[0], 'full-path', None)
2001 raw_string = z.read (mxml_file)
2003 io_object = filename
2005 io_object = StringIO.StringIO (raw_string)
2007 return read_xml (io_object, use_lxml)
2010 def convert (filename, options):
2011 progress (_ ("Reading MusicXML from %s ...") % filename)
2013 tree = read_musicxml (filename, options.compressed, options.use_lxml)
2014 parts = tree.get_typed_children (musicxml.Part)
2015 (voices, staff_info) = get_all_voices (parts)
2017 score_structure = None
2018 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
2020 score_structure = extract_score_layout (mxl_pl, staff_info)
2021 part_list = mxl_pl.get_named_children ("score-part")
2023 # score information is contained in the <work>, <identification> or <movement-title> tags
2024 score_information = extract_score_information (tree)
2025 layout_information = extract_layout_information (tree)
2026 update_score_setup (score_structure, part_list, voices)
2028 if not options.output_name:
2029 options.output_name = os.path.basename (filename)
2030 options.output_name = os.path.splitext (options.output_name)[0]
2031 elif re.match (".*\.ly", options.output_name):
2032 options.output_name = os.path.splitext (options.output_name)[0]
2035 defs_ly_name = options.output_name + '-defs.ly'
2036 driver_ly_name = options.output_name + '.ly'
2038 printer = musicexp.Output_printer()
2039 progress (_ ("Output to `%s'") % defs_ly_name)
2040 printer.set_file (codecs.open (defs_ly_name, 'wb', encoding='utf-8'))
2042 print_ly_preamble (printer, filename)
2043 print_ly_additional_definitions (printer, filename)
2044 if score_information:
2045 score_information.print_ly (printer)
2046 if layout_information:
2047 layout_information.print_ly (printer)
2048 print_voice_definitions (printer, part_list, voices)
2053 progress (_ ("Output to `%s'") % driver_ly_name)
2054 printer = musicexp.Output_printer()
2055 printer.set_file (codecs.open (driver_ly_name, 'wb', encoding='utf-8'))
2056 print_ly_preamble (printer, filename)
2057 printer.dump (r'\include "%s"' % os.path.basename (defs_ly_name))
2058 score_structure.print_ly (printer)
2063 def get_existing_filename_with_extension (filename, ext):
2064 if os.path.exists (filename):
2066 newfilename = filename + "." + ext
2067 if os.path.exists (newfilename):
2069 newfilename = filename + ext
2070 if os.path.exists (newfilename):
2075 opt_parser = option_parser()
2078 (options, args) = opt_parser.parse_args ()
2080 opt_parser.print_usage()
2083 if options.language:
2084 musicexp.set_pitch_language (options.language)
2085 needed_additional_definitions.append (options.language)
2086 additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
2088 # Allow the user to leave out the .xml or xml on the filename
2089 filename = get_existing_filename_with_extension (args[0], "xml")
2091 filename = get_existing_filename_with_extension (args[0], "mxl")
2092 options.compressed = True
2093 if filename and os.path.exists (filename):
2094 voices = convert (filename, options)
2096 progress (_ ("Unable to find input file %s") % args[0])
2098 if __name__ == '__main__':