9 from gettext import gettext as _
20 from rational import Rational
22 # Store command-line options in a global variable, so we can access them everythwere
26 sys.stderr.write (str + '\n')
29 def error_message (str):
30 sys.stderr.write (str + '\n')
33 needed_additional_definitions = []
34 additional_definitions = {
35 "snappizzicato": """#(define-markup-command (snappizzicato layout props) ()
36 (interpret-markup layout props
38 (ly:stencil-translate-axis
40 (make-circle-stencil 0.7 0.1 #f)
42 (list 'draw-line 0.1 0 0.1 0 1)
43 '(-0.1 . 0.1) '(0.1 . 1)
54 def round_to_two_digits (val):
55 return round (val * 100) / 100
57 def extract_layout_information (tree):
58 paper = musicexp.Paper ()
59 defaults = tree.get_maybe_exist_named_child ('defaults')
63 scaling = defaults.get_maybe_exist_named_child ('scaling')
65 mm = scaling.get_named_child ('millimeters')
66 mm = string.atof (mm.get_text ())
67 tn = scaling.get_maybe_exist_named_child ('tenths')
68 tn = string.atof (tn.get_text ())
70 paper.global_staff_size = mm * 72.27 / 25.4
71 # We need the scaling (i.e. the size of staff tenths for everything!
75 def from_tenths (txt):
76 return round_to_two_digits (string.atof (txt) * tenths / 10)
77 def set_paper_variable (varname, parent, element_name):
78 el = parent.get_maybe_exist_named_child (element_name)
79 if el: # Convert to cm from tenths
80 setattr (paper, varname, from_tenths (el.get_text ()))
82 pagelayout = defaults.get_maybe_exist_named_child ('page-layout')
84 # TODO: How can one have different margins for even and odd pages???
85 set_paper_variable ("page_height", pagelayout, 'page-height')
86 set_paper_variable ("page_width", pagelayout, 'page-width')
88 pmargins = pagelayout.get_named_children ('page-margins')
90 set_paper_variable ("left_margin", pm, 'left-margin')
91 set_paper_variable ("right_margin", pm, 'right-margin')
92 set_paper_variable ("bottom_margin", pm, 'bottom-margin')
93 set_paper_variable ("top_margin", pm, 'top-margin')
95 systemlayout = defaults.get_maybe_exist_named_child ('system-layout')
97 sl = systemlayout.get_maybe_exist_named_child ('system-margins')
99 set_paper_variable ("system_left_margin", sl, 'left-margin')
100 set_paper_variable ("system_right_margin", sl, 'right-margin')
101 set_paper_variable ("system_distance", systemlayout, 'system-distance')
102 set_paper_variable ("top_system_distance", systemlayout, 'top-system-distance')
104 stafflayout = defaults.get_named_children ('staff-layout')
105 for sl in stafflayout:
106 nr = getattr (sl, 'number', 1)
107 dist = sl.get_named_child ('staff-distance')
108 #TODO: the staff distance needs to be set in the Staff context!!!
110 # TODO: Finish appearance?, music-font?, word-font?, lyric-font*, lyric-language*
111 appearance = defaults.get_named_child ('appearance')
113 lws = appearance.get_named_children ('line-width')
115 # Possible types are: beam, bracket, dashes,
116 # enclosure, ending, extend, heavy barline, leger,
117 # light barline, octave shift, pedal, slur middle, slur tip,
118 # staff, stem, tie middle, tie tip, tuplet bracket, and wedge
120 w = from_tenths (lw.get_data ())
121 # TODO: Do something with these values!
122 nss = appearance.get_named_children ('note-size')
124 # Possible types are: cue, grace and large
126 sz = from_tenths (ns.get_data ())
127 # TODO: Do something with these values!
128 # <other-appearance> elements have no specified meaning
130 rawmusicfont = defaults.get_named_child ('music-font')
132 # TODO: Convert the font
134 rawwordfont = defaults.get_named_child ('word-font')
136 # TODO: Convert the font
138 rawlyricsfonts = defaults.get_named_children ('lyric-font')
139 for lyricsfont in rawlyricsfonts:
140 # TODO: Convert the font
147 # score information is contained in the <work>, <identification> or <movement-title> tags
148 # extract those into a hash, indexed by proper lilypond header attributes
149 def extract_score_information (tree):
150 header = musicexp.Header ()
151 def set_if_exists (field, value):
153 header.set_field (field, musicxml.escape_ly_output_string (value))
155 work = tree.get_maybe_exist_named_child ('work')
157 set_if_exists ('title', work.get_work_title ())
158 set_if_exists ('worknumber', work.get_work_number ())
159 set_if_exists ('opus', work.get_opus ())
161 movement_title = tree.get_maybe_exist_named_child ('movement-title')
163 set_if_exists ('title', movement_title.get_text ())
165 identifications = tree.get_named_children ('identification')
166 for ids in identifications:
167 set_if_exists ('copyright', ids.get_rights ())
168 set_if_exists ('composer', ids.get_composer ())
169 set_if_exists ('arranger', ids.get_arranger ())
170 set_if_exists ('editor', ids.get_editor ())
171 set_if_exists ('poet', ids.get_poet ())
173 set_if_exists ('tagline', ids.get_encoding_software ())
174 set_if_exists ('encodingsoftware', ids.get_encoding_software ())
175 set_if_exists ('encodingdate', ids.get_encoding_date ())
176 set_if_exists ('encoder', ids.get_encoding_person ())
177 set_if_exists ('encodingdescription', ids.get_encoding_description ())
186 return len (self.start) + len (self.end) == 0
187 def add_start (self, g):
188 self.start[getattr (g, 'number', "1")] = g
189 def add_end (self, g):
190 self.end[getattr (g, 'number', "1")] = g
191 def print_ly (self, printer):
192 error_message ("Unprocessed PartGroupInfo %s encountered" % self)
193 def ly_expression (self):
194 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 = (ord (step) - ord ('A') + 7 - 2) % 7
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 'slur' : musicexp.SlurEvent,
709 'beam' : musicexp.BeamEvent,
710 'glissando' : musicexp.GlissandoEvent,
711 'pedal' : musicexp.PedalEvent,
712 'wavy-line' : musicexp.TrillSpanEvent,
713 'octave-shift' : musicexp.OctaveShiftEvent,
714 'wedge' : musicexp.HairpinEvent
716 spanner_type_dict = {
729 def musicxml_spanner_to_lily_event (mxl_event):
732 name = mxl_event.get_name()
733 func = spanner_event_dict.get (name)
737 error_message ('unknown span event %s' % mxl_event)
740 type = mxl_event.get_type ()
741 span_direction = spanner_type_dict.get (type)
742 # really check for None, because some types will be translated to 0, which
743 # would otherwise also lead to the unknown span warning
744 if span_direction != None:
745 ev.span_direction = span_direction
747 error_message ('unknown span type %s for %s' % (type, name))
749 ev.set_span_type (type)
750 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
752 # assign the size, which is used for octave-shift, etc.
753 ev.size = mxl_event.get_size ()
757 def musicxml_direction_to_indicator (direction):
758 return { "above": 1, "upright": 1, "up":1, "below": -1, "downright": -1, "down": -1 }.get (direction, 0)
760 def musicxml_fermata_to_lily_event (mxl_event):
761 ev = musicexp.ArticulationEvent ()
763 if hasattr (mxl_event, 'type'):
764 dir = musicxml_direction_to_indicator (mxl_event.type)
765 if dir and options.convert_directions:
766 ev.force_direction = dir
770 def musicxml_arpeggiate_to_lily_event (mxl_event):
771 ev = musicexp.ArpeggioEvent ()
772 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
776 def musicxml_tremolo_to_lily_event (mxl_event):
777 ev = musicexp.TremoloEvent ()
778 ev.bars = mxl_event.get_text ()
781 def musicxml_bend_to_lily_event (mxl_event):
782 ev = musicexp.BendEvent ()
783 ev.alter = mxl_event.bend_alter ()
787 def musicxml_fingering_event (mxl_event):
788 ev = musicexp.ShortArticulationEvent ()
789 ev.type = mxl_event.get_text ()
792 def musicxml_snappizzicato_event (mxl_event):
793 needed_additional_definitions.append ("snappizzicato")
794 ev = musicexp.MarkupEvent ()
795 ev.contents = "\\snappizzicato"
798 def musicxml_string_event (mxl_event):
799 ev = musicexp.NoDirectionArticulationEvent ()
800 ev.type = mxl_event.get_text ()
803 def musicxml_accidental_mark (mxl_event):
804 ev = musicexp.MarkupEvent ()
805 contents = { "sharp": "\\sharp",
806 "natural": "\\natural",
808 "double-sharp": "\\doublesharp",
809 "sharp-sharp": "\\sharp\\sharp",
810 "flat-flat": "\\flat\\flat",
811 "flat-flat": "\\doubleflat",
812 "natural-sharp": "\\natural\\sharp",
813 "natural-flat": "\\natural\\flat",
814 "quarter-flat": "\\semiflat",
815 "quarter-sharp": "\\semisharp",
816 "three-quarters-flat": "\\sesquiflat",
817 "three-quarters-sharp": "\\sesquisharp",
818 }.get (mxl_event.get_text ())
820 ev.contents = contents
825 # translate articulations, ornaments and other notations into ArticulationEvents
827 # -) string (ArticulationEvent with that name)
828 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
829 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
830 # TODO: Some translations are missing!
831 articulations_dict = {
832 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
833 "accidental-mark": musicxml_accidental_mark,
834 "bend": musicxml_bend_to_lily_event,
835 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
836 #"caesura": "caesura",
837 #"delayed-turn": "?",
838 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
840 #"double-tongue": "",
841 "down-bow": "downbow",
843 "fingering": musicxml_fingering_event,
847 "harmonic": "flageolet",
849 "inverted-mordent": "prall",
850 "inverted-turn": "reverseturn",
851 "mordent": "mordent",
852 "open-string": "open",
859 "snap-pizzicato": musicxml_snappizzicato_event,
861 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
862 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
863 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
865 "string": musicxml_string_event,
866 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
868 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
869 #"thumb-position": "",
872 "tremolo": musicxml_tremolo_to_lily_event,
873 "trill-mark": "trill",
874 #"triple-tongue": "",
879 articulation_spanners = [ "wavy-line" ]
881 def musicxml_articulation_to_lily_event (mxl_event):
882 # wavy-line elements are treated as trill spanners, not as articulation ornaments
883 if mxl_event.get_name () in articulation_spanners:
884 return musicxml_spanner_to_lily_event (mxl_event)
886 tmp_tp = articulations_dict.get (mxl_event.get_name ())
890 if isinstance (tmp_tp, str):
891 ev = musicexp.ArticulationEvent ()
893 elif isinstance (tmp_tp, tuple):
897 ev = tmp_tp (mxl_event)
899 # Some articulations use the type attribute, other the placement...
901 if hasattr (mxl_event, 'type') and options.convert_directions:
902 dir = musicxml_direction_to_indicator (mxl_event.type)
903 if hasattr (mxl_event, 'placement') and options.convert_directions:
904 dir = musicxml_direction_to_indicator (mxl_event.placement)
906 ev.force_direction = dir
910 def musicxml_dynamics_to_lily_event (dynentry):
911 dynamics_available = ( "p", "pp", "ppp", "pppp", "ppppp", "pppppp",
912 "f", "ff", "fff", "ffff", "fffff", "ffffff",
913 "mp", "mf", "sf", "sfp", "sfpp", "fp",
914 "rf", "rfz", "sfz", "sffz", "fz" )
915 if not dynentry.get_name() in dynamics_available:
917 event = musicexp.DynamicsEvent ()
918 event.type = dynentry.get_name ()
921 # Convert single-color two-byte strings to numbers 0.0 - 1.0
922 def hexcolorval_to_nr (hex_val):
924 v = int (hex_val, 16)
931 def hex_to_color (hex_val):
932 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])$', hex_val, re.IGNORECASE)
934 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
938 def musicxml_words_to_lily_event (words):
939 event = musicexp.TextEvent ()
940 text = words.get_text ()
941 text = re.sub ('^ *\n? *', '', text)
942 text = re.sub (' *\n? *$', '', text)
945 if hasattr (words, 'default-y') and options.convert_directions:
946 offset = getattr (words, 'default-y')
948 off = string.atoi (offset)
950 event.force_direction = 1
952 event.force_direction = -1
954 event.force_direction = 0
956 if hasattr (words, 'font-weight'):
957 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
959 event.markup += font_weight
961 if hasattr (words, 'font-size'):
962 size = getattr (words, 'font-size')
964 "xx-small": '\\teeny',
970 "xx-large": '\\bigger\\huge'
973 event.markup += font_size
975 if hasattr (words, 'color'):
976 color = getattr (words, 'color')
977 rgb = hex_to_color (color)
979 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
981 if hasattr (words, 'font-style'):
982 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
984 event.markup += font_style
986 # TODO: How should I best convert the font-family attribute?
988 # TODO: How can I represent the underline, overline and line-through
989 # attributes in Lilypond? Values of these attributes indicate
990 # the number of lines
995 direction_spanners = [ 'octave-shift', 'pedal', 'wedge' ]
997 def musicxml_direction_to_lily (n):
998 # TODO: Handle the <staff> element!
1000 dirtype_children = []
1001 for dt in n.get_typed_children (musicxml.DirType):
1002 dirtype_children += dt.get_all_children ()
1004 for entry in dirtype_children:
1006 if entry.get_name () == "dynamics":
1007 for dynentry in entry.get_all_children ():
1008 ev = musicxml_dynamics_to_lily_event (dynentry)
1012 if entry.get_name () == "words":
1013 ev = musicxml_words_to_lily_event (entry)
1017 # octave shifts. pedal marks, hairpins etc. are spanners:
1018 if entry.get_name() in direction_spanners:
1019 event = musicxml_spanner_to_lily_event (entry)
1026 def musicxml_frame_to_lily_event (frame):
1027 ev = musicexp.FretEvent ()
1028 ev.strings = frame.get_strings ()
1029 ev.frets = frame.get_frets ()
1030 #offset = frame.get_first_fret () - 1
1032 for fn in frame.get_named_children ('frame-note'):
1033 fret = fn.get_fret ()
1036 el = [ fn.get_string (), fret ]
1037 fingering = fn.get_fingering ()
1039 el.append (fingering)
1040 ev.elements.append (el)
1043 barre[0] = el[0] # start string
1044 barre[2] = el[1] # fret
1046 barre[1] = el[0] # end string
1051 def musicxml_harmony_to_lily (n):
1053 for f in n.get_named_children ('frame'):
1054 ev = musicxml_frame_to_lily_event (f)
1060 instrument_drumtype_dict = {
1061 'Acoustic Snare Drum': 'acousticsnare',
1062 'Side Stick': 'sidestick',
1063 'Open Triangle': 'opentriangle',
1064 'Mute Triangle': 'mutetriangle',
1065 'Tambourine': 'tambourine',
1066 'Bass Drum': 'bassdrum',
1069 def musicxml_note_to_lily_main_event (n):
1073 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1076 pitch = musicxml_pitch_to_lily (mxl_pitch)
1077 event = musicexp.NoteEvent()
1080 acc = n.get_maybe_exist_named_child ('accidental')
1082 # let's not force accs everywhere.
1083 event.cautionary = acc.editorial
1085 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1086 # rests can have display-octave and display-step, which are
1087 # treated like an ordinary note pitch
1088 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1089 event = musicexp.RestEvent()
1090 pitch = musicxml_restdisplay_to_lily (rest)
1092 elif n.instrument_name:
1093 event = musicexp.NoteEvent ()
1094 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1096 event.drum_type = drum_type
1098 n.message ("drum %s type unknown, please add to instrument_drumtype_dict" % n.instrument_name)
1099 event.drum_type = 'acousticsnare'
1102 n.message ("cannot find suitable event")
1104 event.duration = musicxml_duration_to_lily (n)
1110 def __init__ (self, here, dest):
1114 class LilyPondVoiceBuilder:
1115 def __init__ (self):
1117 self.pending_dynamics = []
1118 self.end_moment = Rational (0)
1119 self.begin_moment = Rational (0)
1120 self.pending_multibar = Rational (0)
1121 self.ignore_skips = False
1123 def _insert_multibar (self):
1124 r = musicexp.MultiMeasureRest ()
1125 r.duration = musicexp.Duration()
1126 r.duration.duration_log = 0
1127 r.duration.factor = self.pending_multibar
1128 self.elements.append (r)
1129 self.begin_moment = self.end_moment
1130 self.end_moment = self.begin_moment + self.pending_multibar
1131 self.pending_multibar = Rational (0)
1133 def add_multibar_rest (self, duration):
1134 self.pending_multibar += duration
1136 def set_duration (self, duration):
1137 self.end_moment = self.begin_moment + duration
1138 def current_duration (self):
1139 return self.end_moment - self.begin_moment
1141 def add_music (self, music, duration):
1142 assert isinstance (music, musicexp.Music)
1143 if self.pending_multibar > Rational (0):
1144 self._insert_multibar ()
1146 self.elements.append (music)
1147 self.begin_moment = self.end_moment
1148 self.set_duration (duration)
1150 # Insert all pending dynamics right after the note/rest:
1151 if isinstance (music, musicexp.EventChord) and self.pending_dynamics:
1152 for d in self.pending_dynamics:
1154 self.pending_dynamics = []
1156 # Insert some music command that does not affect the position in the measure
1157 def add_command (self, command):
1158 assert isinstance (command, musicexp.Music)
1159 if self.pending_multibar > Rational (0):
1160 self._insert_multibar ()
1161 self.elements.append (command)
1162 def add_barline (self, barline):
1163 # TODO: Implement merging of default barline and custom bar line
1164 self.add_music (barline, Rational (0))
1165 def add_partial (self, command):
1166 self.ignore_skips = True
1167 self.add_command (command)
1169 def add_dynamics (self, dynamic):
1170 # store the dynamic item(s) until we encounter the next note/rest:
1171 self.pending_dynamics.append (dynamic)
1173 def add_bar_check (self, number):
1174 b = musicexp.BarLine ()
1175 b.bar_number = number
1176 self.add_barline (b)
1178 def jumpto (self, moment):
1179 current_end = self.end_moment + self.pending_multibar
1180 diff = moment - current_end
1182 if diff < Rational (0):
1183 error_message ('Negative skip %s' % diff)
1186 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
1187 skip = musicexp.SkipEvent()
1188 skip.duration.duration_log = 0
1189 skip.duration.factor = diff
1191 evc = musicexp.EventChord ()
1192 evc.elements.append (skip)
1193 self.add_music (evc, diff)
1195 if diff > Rational (0) and moment == 0:
1196 self.ignore_skips = False
1198 def last_event_chord (self, starting_at):
1202 # if the position matches, find the last EventChord, do not cross a bar line!
1203 at = len( self.elements ) - 1
1205 not isinstance (self.elements[at], musicexp.EventChord) and
1206 not isinstance (self.elements[at], musicexp.BarLine)):
1211 and isinstance (self.elements[at], musicexp.EventChord)
1212 and self.begin_moment == starting_at):
1213 value = self.elements[at]
1215 self.jumpto (starting_at)
1219 def correct_negative_skip (self, goto):
1220 self.end_moment = goto
1221 self.begin_moment = goto
1222 evc = musicexp.EventChord ()
1223 self.elements.append (evc)
1227 def __init__ (self):
1228 self.voicedata = None
1229 self.ly_voice = None
1230 self.lyrics_dict = {}
1231 self.lyrics_order = []
1233 def musicxml_voice_to_lily_voice (voice):
1237 return_value = VoiceData ()
1238 return_value.voicedata = voice
1240 # Needed for melismata detection (ignore lyrics on those notes!):
1244 ignore_lyrics = False
1246 current_staff = None
1248 # Make sure that the keys in the dict don't get reordered, since
1249 # we need the correct ordering of the lyrics stanzas! By default,
1250 # a dict will reorder its keys
1251 return_value.lyrics_order = voice.get_lyrics_numbers ()
1252 for k in return_value.lyrics_order:
1255 voice_builder = LilyPondVoiceBuilder()
1257 for n in voice._elements:
1258 if n.get_name () == 'forward':
1260 staff = n.get_maybe_exist_named_child ('staff')
1262 staff = staff.get_text ()
1263 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
1264 voice_builder.add_command (musicexp.StaffChange (staff))
1265 current_staff = staff
1267 if isinstance (n, musicxml.Partial) and n.partial > 0:
1268 a = musicxml_partial_to_lily (n.partial)
1270 voice_builder.add_partial (a)
1273 if isinstance (n, musicxml.Direction):
1274 for a in musicxml_direction_to_lily (n):
1275 if a.wait_for_note ():
1276 voice_builder.add_dynamics (a)
1278 voice_builder.add_command (a)
1281 if isinstance (n, musicxml.Harmony):
1282 for a in musicxml_harmony_to_lily (n):
1283 if a.wait_for_note ():
1284 voice_builder.add_dynamics (a)
1286 voice_builder.add_command (a)
1289 is_chord = n.get_maybe_exist_named_child ('chord')
1292 voice_builder.jumpto (n._when)
1293 except NegativeSkip, neg:
1294 voice_builder.correct_negative_skip (n._when)
1295 n.message ("Negative skip? from %s to %s, diff %s" % (neg.here, neg.dest, neg.dest - neg.here))
1297 if isinstance (n, musicxml.Attributes):
1298 if n.is_first () and n._measure_position == Rational (0):
1300 number = int (n.get_parent ().number)
1304 voice_builder.add_bar_check (number)
1306 for a in musicxml_attributes_to_lily (n):
1307 voice_builder.add_command (a)
1310 if isinstance (n, musicxml.Barline):
1311 barlines = musicxml_barline_to_lily (n)
1313 if isinstance (a, musicexp.BarLine):
1314 voice_builder.add_barline (a)
1315 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
1316 voice_builder.add_command (a)
1319 if not n.__class__.__name__ == 'Note':
1320 error_message ('not a Note or Attributes? %s' % n)
1323 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1325 and rest.is_whole_measure ()):
1327 voice_builder.add_multibar_rest (n._duration)
1330 if n.is_first () and n._measure_position == Rational (0):
1332 num = int (n.get_parent ().number)
1336 voice_builder.add_bar_check (num)
1338 main_event = musicxml_note_to_lily_main_event (n)
1339 ignore_lyrics = inside_slur or is_tied or is_chord
1341 if hasattr (main_event, 'drum_type') and main_event.drum_type:
1342 modes_found['drummode'] = True
1345 ev_chord = voice_builder.last_event_chord (n._when)
1347 ev_chord = musicexp.EventChord()
1348 voice_builder.add_music (ev_chord, n._duration)
1350 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
1353 if n.get_maybe_exist_typed_child (musicxml.Chord) and ev_chord.grace_elements:
1354 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
1356 grace_chord = musicexp.EventChord ()
1357 ev_chord.append_grace (grace_chord)
1358 if hasattr (grace, 'slash'):
1359 # TODO: use grace_type = "appoggiatura" for slurred grace notes
1360 if grace.slash == "yes":
1361 ev_chord.grace_type = "acciaccatura"
1362 elif grace.slash == "no":
1363 ev_chord.grace_type = "grace"
1364 # now that we have inserted the chord into the grace music, insert
1365 # everything into that chord instead of the ev_chord
1366 ev_chord = grace_chord
1367 ev_chord.append (main_event)
1368 ignore_lyrics = True
1370 ev_chord.append (main_event)
1371 # When a note/chord has grace notes (duration==0), the duration of the
1372 # event chord is not yet known, but the event chord was already added
1373 # with duration 0. The following correct this when we hit the real note!
1374 if voice_builder.current_duration () == 0 and n._duration > 0:
1375 voice_builder.set_duration (n._duration)
1377 notations_children = n.get_typed_children (musicxml.Notations)
1381 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
1382 # +tied | +slur | +tuplet | glissando | slide |
1383 # ornaments | technical | articulations | dynamics |
1384 # +fermata | arpeggiate | non-arpeggiate |
1385 # accidental-mark | other-notation
1386 for notations in notations_children:
1387 if notations.get_tuplet():
1388 tuplet_event = notations.get_tuplet()
1389 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1392 frac = mod.get_fraction ()
1394 tuplet_events.append ((ev_chord, tuplet_event, frac))
1396 slurs = [s for s in notations.get_named_children ('slur')
1397 if s.get_type () in ('start','stop')]
1400 error_message ('more than 1 slur?')
1401 # record the slur status for the next note in the loop
1403 if slurs[0].get_type () == 'start':
1405 elif slurs[0].get_type () == 'stop':
1407 lily_ev = musicxml_spanner_to_lily_event (slurs[0])
1408 ev_chord.append (lily_ev)
1411 mxl_tie = notations.get_tie ()
1412 if mxl_tie and mxl_tie.type == 'start':
1413 ev_chord.append (musicexp.TieEvent ())
1418 fermatas = notations.get_named_children ('fermata')
1420 ev = musicxml_fermata_to_lily_event (a)
1422 ev_chord.append (ev)
1424 arpeggiate = notations.get_named_children ('arpeggiate')
1425 for a in arpeggiate:
1426 ev = musicxml_arpeggiate_to_lily_event (a)
1428 ev_chord.append (ev)
1430 glissandos = notations.get_named_children ('glissando')
1431 for a in glissandos:
1432 ev = musicxml_spanner_to_lily_event (a)
1434 ev_chord.append (ev)
1436 # Articulations can contain the following child elements:
1437 # accent | strong-accent | staccato | tenuto |
1438 # detached-legato | staccatissimo | spiccato |
1439 # scoop | plop | doit | falloff | breath-mark |
1440 # caesura | stress | unstress
1441 # Technical can contain the following child elements:
1442 # up-bow | down-bow | harmonic | open-string |
1443 # thumb-position | fingering | pluck | double-tongue |
1444 # triple-tongue | stopped | snap-pizzicato | fret |
1445 # string | hammer-on | pull-off | bend | tap | heel |
1446 # toe | fingernails | other-technical
1447 # Ornaments can contain the following child elements:
1448 # trill-mark | turn | delayed-turn | inverted-turn |
1449 # shake | wavy-line | mordent | inverted-mordent |
1450 # schleifer | tremolo | other-ornament, accidental-mark
1451 ornaments = notations.get_named_children ('ornaments')
1453 for ch in a.get_named_children ('tremolo'):
1454 ev = musicxml_tremolo_to_lily_event (ch)
1456 ev_chord.append (ev)
1458 ornaments += notations.get_named_children ('articulations')
1459 ornaments += notations.get_named_children ('technical')
1462 for ch in a.get_all_children ():
1463 ev = musicxml_articulation_to_lily_event (ch)
1465 ev_chord.append (ev)
1467 dynamics = notations.get_named_children ('dynamics')
1469 for ch in a.get_all_children ():
1470 ev = musicxml_dynamics_to_lily_event (ch)
1472 ev_chord.append (ev)
1474 # Extract the lyrics
1475 if not rest and not ignore_lyrics:
1476 note_lyrics_processed = []
1477 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
1478 for l in note_lyrics_elements:
1479 if l.get_number () < 0:
1480 for k in lyrics.keys ():
1481 lyrics[k].append (l.lyric_to_text ())
1482 note_lyrics_processed.append (k)
1484 lyrics[l.number].append(l.lyric_to_text ())
1485 note_lyrics_processed.append (l.number)
1486 for lnr in lyrics.keys ():
1487 if not lnr in note_lyrics_processed:
1488 lyrics[lnr].append ("\skip4")
1491 mxl_beams = [b for b in n.get_named_children ('beam')
1492 if (b.get_type () in ('begin', 'end')
1493 and b.is_primary ())]
1495 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
1497 ev_chord.append (beam_ev)
1500 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1503 frac = mod.get_fraction ()
1505 tuplet_events.append ((ev_chord, tuplet_event, frac))
1507 ## force trailing mm rests to be written out.
1508 voice_builder.add_music (musicexp.EventChord (), Rational (0))
1510 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
1511 ly_voice = group_repeats (ly_voice)
1513 seq_music = musicexp.SequentialMusic ()
1515 if 'drummode' in modes_found.keys ():
1516 ## \key <pitch> barfs in drummode.
1517 ly_voice = [e for e in ly_voice
1518 if not isinstance(e, musicexp.KeySignatureChange)]
1520 seq_music.elements = ly_voice
1521 for k in lyrics.keys ():
1522 return_value.lyrics_dict[k] = musicexp.Lyrics ()
1523 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
1526 if len (modes_found) > 1:
1527 error_message ('Too many modes found %s' % modes_found.keys ())
1529 return_value.ly_voice = seq_music
1530 for mode in modes_found.keys ():
1531 v = musicexp.ModeChangingMusicWrapper()
1532 v.element = seq_music
1534 return_value.ly_voice = v
1539 def musicxml_id_to_lily (id):
1540 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
1541 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
1543 for digit in digits:
1544 d = digits.index (digit)
1545 id = re.sub ('%d' % d, digit, id)
1547 id = re.sub ('[^a-zA-Z]', 'X', id)
1551 def musicxml_pitch_to_lily (mxl_pitch):
1552 p = musicexp.Pitch()
1553 p.alteration = mxl_pitch.get_alteration ()
1554 p.step = (ord (mxl_pitch.get_step ()) - ord ('A') + 7 - 2) % 7
1555 p.octave = mxl_pitch.get_octave () - 4
1558 def musicxml_restdisplay_to_lily (mxl_rest):
1560 step = mxl_rest.get_step ()
1562 p = musicexp.Pitch()
1563 p.step = (ord (step) - ord ('A') + 7 - 2) % 7
1564 octave = mxl_rest.get_octave ()
1566 p.octave = octave - 4
1569 def voices_in_part (part):
1570 """Return a Name -> Voice dictionary for PART"""
1572 part.extract_voices ()
1573 voices = part.get_voices ()
1574 part_info = part.get_staff_attributes ()
1576 return (voices, part_info)
1578 def voices_in_part_in_parts (parts):
1579 """return a Part -> Name -> Voice dictionary"""
1580 return dict([(p.id, voices_in_part (p)) for p in parts])
1583 def get_all_voices (parts):
1584 all_voices = voices_in_part_in_parts (parts)
1587 all_ly_staffinfo = {}
1588 for p, (name_voice, staff_info) in all_voices.items ():
1591 for n, v in name_voice.items ():
1592 progress ("Converting to LilyPond expressions...")
1593 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
1594 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
1596 all_ly_voices[p] = part_ly_voices
1597 all_ly_staffinfo[p] = staff_info
1599 return (all_ly_voices, all_ly_staffinfo)
1602 def option_parser ():
1603 p = ly.get_option_parser(usage=_ ("musicxml2ly FILE.xml"),
1604 version=('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
1606 _ ("""This program is free software. It is covered by the GNU General Public
1607 License and you are welcome to change it and/or distribute copies of it
1608 under certain conditions. Invoke as `%s --warranty' for more
1609 information.""") % 'lilypond'
1611 Copyright (c) 2005--2007 by
1612 Han-Wen Nienhuys <hanwen@xs4all.nl> and
1613 Jan Nieuwenhuizen <janneke@gnu.org>
1615 description=_ ("Convert %s to LilyPond input.") % 'MusicXML' + "\n")
1616 p.add_option ('-v', '--verbose',
1617 action="store_true",
1619 help=_ ("be verbose"))
1621 p.add_option ('', '--lxml',
1622 action="store_true",
1625 help=_ ("Use lxml.etree; uses less memory and cpu time."))
1627 p.add_option ('-l', '--language',
1629 help = _ ("Use a different language file, e.g. 'deutsch' for deutsch.ly."))
1631 p.add_option ('--no-articulation-directions', '--nd',
1632 action = "store_false",
1634 dest = "convert_directions",
1635 help = _ ("Do not convert directions (^, _ or -) for articulations."))
1637 p.add_option ('-o', '--output',
1643 help=_ ("set output filename to FILE"))
1644 p.add_option_group ('bugs',
1645 description=(_ ("Report bugs via")
1646 + ''' http://post.gmane.org/post.php'''
1647 '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
1650 def music_xml_voice_name_to_lily_name (part_id, name):
1651 str = "Part%sVoice%s" % (part_id, name)
1652 return musicxml_id_to_lily (str)
1654 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
1655 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
1656 return musicxml_id_to_lily (str)
1658 def print_voice_definitions (printer, part_list, voices):
1659 for part in part_list:
1661 nv_dict = voices.get (part_id, {})
1662 for (name, voice) in nv_dict.items ():
1663 k = music_xml_voice_name_to_lily_name (part_id, name)
1664 printer.dump ('%s = ' % k)
1665 voice.ly_voice.print_ly (printer)
1667 for l in voice.lyrics_order:
1668 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
1669 printer.dump ('%s = ' %lname )
1670 voice.lyrics_dict[l].print_ly (printer)
1675 return dict ([(elt,1) for elt in l]).keys ()
1677 # format the information about the staff in the form
1680 # [voiceid1, [lyricsid11, lyricsid12,...] ...],
1681 # [voiceid2, [lyricsid21, lyricsid22,...] ...],
1685 # raw_voices is of the form [(voicename, lyricsids)*]
1686 def format_staff_info (part_id, staff_id, raw_voices):
1688 for (v, lyricsids) in raw_voices:
1689 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
1690 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
1692 voices.append ([voice_name, voice_lyrics])
1693 return [staff_id, voices]
1695 def update_score_setup (score_structure, part_list, voices):
1697 for part_definition in part_list:
1698 part_id = part_definition.id
1699 nv_dict = voices.get (part_id)
1701 error_message ('unknown part in part-list: %s' % part_id)
1704 staves = reduce (lambda x,y: x+ y,
1705 [voice.voicedata._staves.keys ()
1706 for voice in nv_dict.values ()],
1709 if len (staves) > 1:
1711 staves = uniq_list (staves)
1714 thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
1715 for (voice_name, voice) in nv_dict.items ()
1716 if voice.voicedata._start_staff == s]
1717 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
1719 thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
1720 for (voice_name, voice) in nv_dict.items ()]
1721 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
1722 score_structure.set_part_information (part_id, staves_info)
1724 def print_ly_preamble (printer, filename):
1725 printer.dump_version ()
1726 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
1728 def print_ly_additional_definitions (printer, filename):
1729 if needed_additional_definitions:
1731 printer.print_verbatim ('%% additional definitions required by the score:')
1733 for a in set(needed_additional_definitions):
1734 printer.print_verbatim (additional_definitions.get (a, ''))
1738 def read_musicxml (filename, use_lxml):
1742 tree = lxml.etree.parse (filename)
1743 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
1746 from xml.dom import minidom, Node
1748 doc = minidom.parse(filename)
1749 node = doc.documentElement
1750 return musicxml.minidom_demarshal_node (node)
1755 def convert (filename, options):
1756 progress ("Reading MusicXML from %s ..." % filename)
1758 tree = read_musicxml (filename, options.use_lxml)
1759 parts = tree.get_typed_children (musicxml.Part)
1760 (voices, staff_info) = get_all_voices (parts)
1762 score_structure = None
1763 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
1765 score_structure = extract_score_layout (mxl_pl, staff_info)
1766 part_list = mxl_pl.get_named_children ("score-part")
1768 # score information is contained in the <work>, <identification> or <movement-title> tags
1769 score_information = extract_score_information (tree)
1770 layout_information = extract_layout_information (tree)
1771 update_score_setup (score_structure, part_list, voices)
1773 if not options.output_name:
1774 options.output_name = os.path.basename (filename)
1775 options.output_name = os.path.splitext (options.output_name)[0]
1776 elif re.match (".*\.ly", options.output_name):
1777 options.output_name = os.path.splitext (options.output_name)[0]
1780 defs_ly_name = options.output_name + '-defs.ly'
1781 driver_ly_name = options.output_name + '.ly'
1783 printer = musicexp.Output_printer()
1784 progress ("Output to `%s'" % defs_ly_name)
1785 printer.set_file (codecs.open (defs_ly_name, 'wb', encoding='utf-8'))
1787 print_ly_preamble (printer, filename)
1788 print_ly_additional_definitions (printer, filename)
1789 if score_information:
1790 score_information.print_ly (printer)
1791 if layout_information:
1792 layout_information.print_ly (printer)
1793 print_voice_definitions (printer, part_list, voices)
1798 progress ("Output to `%s'" % driver_ly_name)
1799 printer = musicexp.Output_printer()
1800 printer.set_file (codecs.open (driver_ly_name, 'wb', encoding='utf-8'))
1801 print_ly_preamble (printer, filename)
1802 printer.dump (r'\include "%s"' % os.path.basename (defs_ly_name))
1803 score_structure.print_ly (printer)
1808 def get_existing_filename_with_extension (filename, ext):
1809 if os.path.exists (filename):
1811 newfilename = filename + ".xml"
1812 if os.path.exists (newfilename):
1814 newfilename = filename + "xml"
1815 if os.path.exists (newfilename):
1820 opt_parser = option_parser()
1823 (options, args) = opt_parser.parse_args ()
1825 opt_parser.print_usage()
1828 if options.language:
1829 musicexp.set_pitch_language (options.language)
1830 needed_additional_definitions.append (options.language)
1831 additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
1833 # Allow the user to leave out the .xml or xml on the filename
1834 filename = get_existing_filename_with_extension (args[0], "xml")
1835 if filename and os.path.exists (filename):
1836 voices = convert (filename, options)
1838 progress ("Unable to find input file %s" % args[0])
1840 if __name__ == '__main__':