22 from rational import Rational
24 # Store command-line options in a global variable, so we can access them everythwere
27 class Conversion_Settings:
29 self.ignore_beaming = False
31 conversion_settings = Conversion_Settings ()
32 # Use a global variable to store the setting needed inside a \layout block.
33 # whenever we need to change a setting or add/remove an engraver, we can access
34 # this layout and add the corresponding settings
35 layout_information = musicexp.Layout ()
38 ly.stderr_write (str + '\n')
41 def error_message (str):
42 ly.stderr_write (str + '\n')
45 needed_additional_definitions = []
46 additional_definitions = {
47 "snappizzicato": """#(define-markup-command (snappizzicato layout props) ()
48 (interpret-markup layout props
50 (ly:stencil-translate-axis
52 (make-circle-stencil 0.7 0.1 #f)
54 (list 'draw-line 0.1 0 0.1 0 1)
55 '(-0.1 . 0.1) '(0.1 . 1)))
57 "eyeglasses": """eyeglassesps = #"0.15 setlinewidth
63 2.20 0.70 0.50 0 361 arc
65 1.45 0.85 0.30 0 180 arc
69 0.92 2.26 1.30 2.40 1.15 1.70 curveto
73 3.42 2.26 3.80 2.40 3.65 1.70 curveto
75 eyeglasses = \markup { \with-dimensions #'(0 . 4.4) #'(0 . 2.5) \postscript #eyeglassesps }"""
78 def round_to_two_digits (val):
79 return round (val * 100) / 100
81 def extract_paper_information (tree):
82 paper = musicexp.Paper ()
83 defaults = tree.get_maybe_exist_named_child ('defaults')
87 scaling = defaults.get_maybe_exist_named_child ('scaling')
89 mm = scaling.get_named_child ('millimeters')
90 mm = string.atof (mm.get_text ())
91 tn = scaling.get_maybe_exist_named_child ('tenths')
92 tn = string.atof (tn.get_text ())
94 paper.global_staff_size = mm * 72.27 / 25.4
95 # We need the scaling (i.e. the size of staff tenths for everything!
99 def from_tenths (txt):
100 return round_to_two_digits (string.atof (txt) * tenths / 10)
101 def set_paper_variable (varname, parent, element_name):
102 el = parent.get_maybe_exist_named_child (element_name)
103 if el: # Convert to cm from tenths
104 setattr (paper, varname, from_tenths (el.get_text ()))
106 pagelayout = defaults.get_maybe_exist_named_child ('page-layout')
108 # TODO: How can one have different margins for even and odd pages???
109 set_paper_variable ("page_height", pagelayout, 'page-height')
110 set_paper_variable ("page_width", pagelayout, 'page-width')
112 pmargins = pagelayout.get_named_children ('page-margins')
114 set_paper_variable ("left_margin", pm, 'left-margin')
115 set_paper_variable ("right_margin", pm, 'right-margin')
116 set_paper_variable ("bottom_margin", pm, 'bottom-margin')
117 set_paper_variable ("top_margin", pm, 'top-margin')
119 systemlayout = defaults.get_maybe_exist_named_child ('system-layout')
121 sl = systemlayout.get_maybe_exist_named_child ('system-margins')
123 set_paper_variable ("system_left_margin", sl, 'left-margin')
124 set_paper_variable ("system_right_margin", sl, 'right-margin')
125 set_paper_variable ("system_distance", systemlayout, 'system-distance')
126 set_paper_variable ("top_system_distance", systemlayout, 'top-system-distance')
128 stafflayout = defaults.get_named_children ('staff-layout')
129 for sl in stafflayout:
130 nr = getattr (sl, 'number', 1)
131 dist = sl.get_named_child ('staff-distance')
132 #TODO: the staff distance needs to be set in the Staff context!!!
134 # TODO: Finish appearance?, music-font?, word-font?, lyric-font*, lyric-language*
135 appearance = defaults.get_named_child ('appearance')
137 lws = appearance.get_named_children ('line-width')
139 # Possible types are: beam, bracket, dashes,
140 # enclosure, ending, extend, heavy barline, leger,
141 # light barline, octave shift, pedal, slur middle, slur tip,
142 # staff, stem, tie middle, tie tip, tuplet bracket, and wedge
144 w = from_tenths (lw.get_text ())
145 # TODO: Do something with these values!
146 nss = appearance.get_named_children ('note-size')
148 # Possible types are: cue, grace and large
150 sz = from_tenths (ns.get_text ())
151 # TODO: Do something with these values!
152 # <other-appearance> elements have no specified meaning
154 rawmusicfont = defaults.get_named_child ('music-font')
156 # TODO: Convert the font
158 rawwordfont = defaults.get_named_child ('word-font')
160 # TODO: Convert the font
162 rawlyricsfonts = defaults.get_named_children ('lyric-font')
163 for lyricsfont in rawlyricsfonts:
164 # TODO: Convert the font
171 # score information is contained in the <work>, <identification> or <movement-title> tags
172 # extract those into a hash, indexed by proper lilypond header attributes
173 def extract_score_information (tree):
174 header = musicexp.Header ()
175 def set_if_exists (field, value):
177 header.set_field (field, musicxml.escape_ly_output_string (value))
179 work = tree.get_maybe_exist_named_child ('work')
181 set_if_exists ('title', work.get_work_title ())
182 set_if_exists ('worknumber', work.get_work_number ())
183 set_if_exists ('opus', work.get_opus ())
185 movement_title = tree.get_maybe_exist_named_child ('movement-title')
187 set_if_exists ('title', movement_title.get_text ())
189 identifications = tree.get_named_children ('identification')
190 for ids in identifications:
191 set_if_exists ('copyright', ids.get_rights ())
192 set_if_exists ('composer', ids.get_composer ())
193 set_if_exists ('arranger', ids.get_arranger ())
194 set_if_exists ('editor', ids.get_editor ())
195 set_if_exists ('poet', ids.get_poet ())
197 set_if_exists ('tagline', ids.get_encoding_software ())
198 set_if_exists ('encodingsoftware', ids.get_encoding_software ())
199 set_if_exists ('encodingdate', ids.get_encoding_date ())
200 set_if_exists ('encoder', ids.get_encoding_person ())
201 set_if_exists ('encodingdescription', ids.get_encoding_description ())
203 # Finally, apply the required compatibility modes
204 # Some applications created wrong MusicXML files, so we need to
205 # apply some compatibility mode, e.g. ignoring some features/tags
207 software = ids.get_encoding_software_list ()
209 # Case 1: "Sibelius 5.1" with the "Dolet 3.4 for Sibelius" plugin
210 # is missing all beam ends => ignore all beaming information
211 if "Dolet 3.4 for Sibelius" in software:
212 conversion_settings.ignore_beaming = True
213 progress (_ ("Encountered file created by Dolet 3.4 for Sibelius, containing wrong beaming information. All beaming information in the MusicXML file will be ignored"))
214 # TODO: Check for other unsupported features
223 return len (self.start) + len (self.end) == 0
224 def add_start (self, g):
225 self.start[getattr (g, 'number', "1")] = g
226 def add_end (self, g):
227 self.end[getattr (g, 'number', "1")] = g
228 def print_ly (self, printer):
229 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
230 def ly_expression (self):
231 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
234 def staff_attributes_to_string_tunings (mxl_attr):
235 details = mxl_attr.get_maybe_exist_named_child ('staff-details')
239 staff_lines = details.get_maybe_exist_named_child ('staff-lines')
241 lines = string.atoi (staff_lines.get_text ())
244 staff_tunings = details.get_named_children ('staff-tuning')
245 for i in staff_tunings:
249 line = string.atoi (i.line) - 1
254 step = i.get_named_child (u'tuning-step')
255 step = step.get_text ().strip ()
256 p.step = musicxml_step_to_lily (step)
258 octave = i.get_named_child (u'tuning-octave')
259 octave = octave.get_text ().strip ()
260 p.octave = int (octave) - 4
262 alter = i.get_named_child (u'tuning-alter')
264 p.alteration = int (alter.get_text ().strip ())
265 # lilypond seems to use the opposite ordering than MusicXML...
271 def staff_attributes_to_lily_staff (mxl_attr):
273 return musicexp.Staff ()
275 (staff_id, attributes) = mxl_attr.items ()[0]
277 # distinguish by clef:
278 # percussion (percussion and rhythmic), tab, and everything else
280 clef = attributes.get_maybe_exist_named_child ('clef')
282 sign = clef.get_maybe_exist_named_child ('sign')
284 clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
287 details = attributes.get_named_children ('staff-details')
289 staff_lines = d.get_maybe_exist_named_child ('staff-lines')
291 lines = string.atoi (staff_lines.get_text ())
294 if clef_sign == "percussion" and lines == 1:
295 staff = musicexp.RhythmicStaff ()
296 elif clef_sign == "percussion":
297 staff = musicexp.DrumStaff ()
298 # staff.drum_style_table = ???
299 elif clef_sign == "tab":
300 staff = musicexp.TabStaff ()
301 staff.string_tunings = staff_attributes_to_string_tunings (attributes)
302 # staff.tablature_format = ???
304 # TODO: Handle case with lines <> 5!
305 staff = musicexp.Staff ()
310 def extract_score_structure (part_list, staffinfo):
311 structure = musicexp.StaffGroup (None)
315 def read_score_part (el):
316 if not isinstance (el, musicxml.Score_part):
318 # Depending on the attributes of the first measure, we create different
319 # types of staves (Staff, RhythmicStaff, DrumStaff, TabStaff, etc.)
320 staff = staff_attributes_to_lily_staff (staffinfo.get (el.id, None))
324 partname = el.get_maybe_exist_named_child ('part-name')
325 # Finale gives unnamed parts the name "MusicXML Part" automatically!
326 if partname and partname.get_text() != "MusicXML Part":
327 staff.instrument_name = partname.get_text ()
328 if el.get_maybe_exist_named_child ('part-abbreviation'):
329 staff.short_instrument_name = el.get_maybe_exist_named_child ('part-abbreviation').get_text ()
330 # TODO: Read in the MIDI device / instrument
333 def read_score_group (el):
334 if not isinstance (el, musicxml.Part_group):
336 group = musicexp.StaffGroup ()
337 if hasattr (el, 'number'):
340 #currentgroups_dict[id] = group
341 #currentgroups.append (id)
342 if el.get_maybe_exist_named_child ('group-name'):
343 group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
344 if el.get_maybe_exist_named_child ('group-abbreviation'):
345 group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
346 if el.get_maybe_exist_named_child ('group-symbol'):
347 group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
348 if el.get_maybe_exist_named_child ('group-barline'):
349 group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
353 parts_groups = part_list.get_all_children ()
355 # the start/end group tags are not necessarily ordered correctly and groups
356 # might even overlap, so we can't go through the children sequentially!
358 # 1) Replace all Score_part objects by their corresponding Staff objects,
359 # also collect all group start/stop points into one PartGroupInfo object
361 group_info = PartGroupInfo ()
362 for el in parts_groups:
363 if isinstance (el, musicxml.Score_part):
364 if not group_info.is_empty ():
365 staves.append (group_info)
366 group_info = PartGroupInfo ()
367 staff = read_score_part (el)
369 staves.append (staff)
370 elif isinstance (el, musicxml.Part_group):
371 if el.type == "start":
372 group_info.add_start (el)
373 elif el.type == "stop":
374 group_info.add_end (el)
375 if not group_info.is_empty ():
376 staves.append (group_info)
378 # 2) Now, detect the groups:
381 while pos < len (staves):
383 if isinstance (el, PartGroupInfo):
385 if len (group_starts) > 0:
386 prev_start = group_starts[-1]
387 elif len (el.end) > 0: # no group to end here
389 if len (el.end) > 0: # closes an existing group
390 ends = el.end.keys ()
391 prev_started = staves[prev_start].start.keys ()
393 intersection = filter(lambda x:x in ends, prev_started)
394 if len (intersection) > 0:
395 grpid = intersection[0]
397 # Close the last started group
398 grpid = staves[prev_start].start.keys () [0]
399 # Find the corresponding closing tag and remove it!
402 while j < len (staves) and not foundclosing:
403 if isinstance (staves[j], PartGroupInfo) and staves[j].end.has_key (grpid):
405 del staves[j].end[grpid]
406 if staves[j].is_empty ():
409 grpobj = staves[prev_start].start[grpid]
410 group = read_score_group (grpobj)
411 # remove the id from both the start and end
412 if el.end.has_key (grpid):
414 del staves[prev_start].start[grpid]
417 # replace the staves with the whole group
418 for j in staves[(prev_start + 1):pos]:
420 j.stafftype = "InnerStaffGroup"
421 group.append_staff (j)
422 del staves[(prev_start + 1):pos]
423 staves.insert (prev_start + 1, group)
424 # reset pos so that we continue at the correct position
426 # remove an empty start group
427 if staves[prev_start].is_empty ():
428 del staves[prev_start]
429 group_starts.remove (prev_start)
431 elif len (el.start) > 0: # starts new part groups
432 group_starts.append (pos)
435 if len (staves) == 1:
438 structure.append_staff (i)
442 def musicxml_duration_to_lily (mxl_note):
443 d = musicexp.Duration ()
444 # if the note has no Type child, then that method spits out a warning and
445 # returns 0, i.e. a whole note
446 d.duration_log = mxl_note.get_duration_log ()
448 d.dots = len (mxl_note.get_typed_children (musicxml.Dot))
449 # Grace notes by specification have duration 0, so no time modification
450 # factor is possible. It even messes up the output with *0/1
451 if not mxl_note.get_maybe_exist_typed_child (musicxml.Grace):
452 d.factor = mxl_note._duration / d.get_length ()
456 def rational_to_lily_duration (rational_len):
457 d = musicexp.Duration ()
459 rational_len.normalize_self ()
460 d_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)
462 # Duration of the form 1/2^n or 3/2^n can be converted to a simple lilypond duration
463 if (d_log >= 0 and rational_len.numerator() in (1,3,5,7) ):
464 # account for the dots!
465 d.dots = (rational_len.numerator()-1)/2
466 d.duration_log = d_log - d.dots
468 d.duration_log = d_log
469 d.factor = Rational (rational_len.numerator ())
471 error_message (_ ("Encountered rational duration with denominator %s, "
472 "unable to convert to lilypond duration") %
473 rational_len.denominator ())
474 # TODO: Test the above error message
479 def musicxml_partial_to_lily (partial_len):
481 p = musicexp.Partial ()
482 p.partial = rational_to_lily_duration (partial_len)
487 # Detect repeats and alternative endings in the chord event list (music_list)
488 # and convert them to the corresponding musicexp objects, containing nested
490 def group_repeats (music_list):
491 repeat_replaced = True
494 # Walk through the list of expressions, looking for repeat structure
495 # (repeat start/end, corresponding endings). If we find one, try to find the
496 # last event of the repeat, replace the whole structure and start over again.
497 # For nested repeats, as soon as we encounter another starting repeat bar,
498 # treat that one first, and start over for the outer repeat.
499 while repeat_replaced and i < 100:
501 repeat_start = -1 # position of repeat start / end
502 repeat_end = -1 # position of repeat start / end
504 ending_start = -1 # position of current ending start
505 endings = [] # list of already finished endings
507 last = len (music_list) - 1
508 repeat_replaced = False
510 while pos < len (music_list) and not repeat_replaced:
512 repeat_finished = False
513 if isinstance (e, RepeatMarker):
514 if not repeat_times and e.times:
515 repeat_times = e.times
516 if e.direction == -1:
518 repeat_finished = True
524 elif e.direction == 1:
530 elif isinstance (e, EndingMarker):
531 if e.direction == -1:
537 elif e.direction == 1:
540 endings.append ([ending_start, pos])
543 elif not isinstance (e, musicexp.BarLine):
544 # As soon as we encounter an element when repeat start and end
545 # is set and we are not inside an alternative ending,
546 # this whole repeat structure is finished => replace it
547 if repeat_start >= 0 and repeat_end > 0 and ending_start < 0:
548 repeat_finished = True
550 # Finish off all repeats without explicit ending bar (e.g. when
551 # we convert only one page of a multi-page score with repeats)
552 if pos == last and repeat_start >= 0:
553 repeat_finished = True
557 if ending_start >= 0:
558 endings.append ([ending_start, pos])
562 # We found the whole structure replace it!
563 r = musicexp.RepeatedMusic ()
564 if repeat_times <= 0:
566 r.repeat_count = repeat_times
567 # don't erase the first element for "implicit" repeats (i.e. no
568 # starting repeat bars at the very beginning)
569 start = repeat_start+1
570 if repeat_start == music_start:
572 r.set_music (music_list[start:repeat_end])
573 for (start, end) in endings:
574 s = musicexp.SequentialMusic ()
575 s.elements = music_list[start+1:end]
577 del music_list[repeat_start:final_marker+1]
578 music_list.insert (repeat_start, r)
579 repeat_replaced = True
581 # TODO: Implement repeats until the end without explicit ending bar
586 def group_tuplets (music_list, events):
589 """Collect Musics from
590 MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
597 for (ev_chord, tuplet_elt, fraction) in events:
598 while (j < len (music_list)):
599 if music_list[j] == ev_chord:
602 if tuplet_elt.type == 'start':
603 indices.append ((j, None, fraction))
604 elif tuplet_elt.type == 'stop':
605 indices[-1] = (indices[-1][0], j, indices[-1][2])
609 for (i1, i2, frac) in indices:
613 new_list.extend (music_list[last:i1])
614 seq = musicexp.SequentialMusic ()
616 seq.elements = music_list[i1:last]
618 tsm = musicexp.TimeScaledMusic ()
621 tsm.numerator = frac[0]
622 tsm.denominator = frac[1]
624 new_list.append (tsm)
626 new_list.extend (music_list[last:])
630 def musicxml_clef_to_lily (attributes):
631 change = musicexp.ClefChange ()
632 (change.type, change.position, change.octave) = attributes.get_clef_information ()
635 def musicxml_time_to_lily (attributes):
636 (beats, type) = attributes.get_time_signature ()
638 change = musicexp.TimeSignatureChange()
639 change.fraction = (beats, type)
643 def musicxml_key_to_lily (attributes):
644 start_pitch = musicexp.Pitch ()
645 (fifths, mode) = attributes.get_key_signature ()
652 start_pitch.alteration = a
654 error_message (_ ("unknown mode %s, expecting 'major' or 'minor'") % mode)
656 fifth = musicexp.Pitch()
663 for x in range (fifths):
664 start_pitch = start_pitch.transposed (fifth)
666 start_pitch.octave = 0
668 change = musicexp.KeySignatureChange()
670 change.tonic = start_pitch
673 def musicxml_attributes_to_lily (attrs):
676 'clef': musicxml_clef_to_lily,
677 'time': musicxml_time_to_lily,
678 'key': musicxml_key_to_lily
680 for (k, func) in attr_dispatch.items ():
681 children = attrs.get_named_children (k)
683 elts.append (func (attrs))
687 class Marker (musicexp.Music):
691 def print_ly (self, printer):
692 ly.stderr_write (_ ("Encountered unprocessed marker %s\n") % self)
694 def ly_expression (self):
696 class RepeatMarker (Marker):
698 Marker.__init__ (self)
700 class EndingMarker (Marker):
703 # Convert the <barline> element to musicxml.BarLine (for non-standard barlines)
704 # and to RepeatMarker and EndingMarker objects for repeat and
705 # alternatives start/stops
706 def musicxml_barline_to_lily (barline):
707 # retval contains all possible markers in the order:
708 # 0..bw_ending, 1..bw_repeat, 2..barline, 3..fw_repeat, 4..fw_ending
710 bartype_element = barline.get_maybe_exist_named_child ("bar-style")
711 repeat_element = barline.get_maybe_exist_named_child ("repeat")
712 ending_element = barline.get_maybe_exist_named_child ("ending")
716 bartype = bartype_element.get_text ()
718 if repeat_element and hasattr (repeat_element, 'direction'):
719 repeat = RepeatMarker ()
720 repeat.direction = {"forward": -1, "backward": 1}.get (repeat_element.direction, 0)
722 if ( (repeat_element.direction == "forward" and bartype == "heavy-light") or
723 (repeat_element.direction == "backward" and bartype == "light-heavy") ):
725 if hasattr (repeat_element, 'times'):
727 repeat.times = int (repeat_element.times)
730 repeat.event = barline
731 if repeat.direction == -1:
736 if ending_element and hasattr (ending_element, 'type'):
737 ending = EndingMarker ()
738 ending.direction = {"start": -1, "stop": 1, "discontinue": 1}.get (ending_element.type, 0)
739 ending.event = barline
740 if ending.direction == -1:
746 b = musicexp.BarLine ()
750 return retval.values ()
752 spanner_event_dict = {
753 'beam' : musicexp.BeamEvent,
754 'dashes' : musicexp.TextSpannerEvent,
755 'bracket' : musicexp.BracketSpannerEvent,
756 'glissando' : musicexp.GlissandoEvent,
757 'octave-shift' : musicexp.OctaveShiftEvent,
758 'pedal' : musicexp.PedalEvent,
759 'slide' : musicexp.GlissandoEvent,
760 'slur' : musicexp.SlurEvent,
761 'wavy-line' : musicexp.TrillSpanEvent,
762 'wedge' : musicexp.HairpinEvent
764 spanner_type_dict = {
778 def musicxml_spanner_to_lily_event (mxl_event):
781 name = mxl_event.get_name()
782 func = spanner_event_dict.get (name)
786 error_message (_ ('unknown span event %s') % mxl_event)
789 type = mxl_event.get_type ()
790 span_direction = spanner_type_dict.get (type)
791 # really check for None, because some types will be translated to 0, which
792 # would otherwise also lead to the unknown span warning
793 if span_direction != None:
794 ev.span_direction = span_direction
796 error_message (_ ('unknown span type %s for %s') % (type, name))
798 ev.set_span_type (type)
799 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
801 # assign the size, which is used for octave-shift, etc.
802 ev.size = mxl_event.get_size ()
806 def musicxml_direction_to_indicator (direction):
807 return { "above": 1, "upright": 1, "up": 1, "below": -1, "downright": -1, "down": -1, "inverted": -1 }.get (direction, 0)
809 def musicxml_fermata_to_lily_event (mxl_event):
810 ev = musicexp.ArticulationEvent ()
811 txt = mxl_event.get_text ()
812 # The contents of the element defined the shape, possible are normal, angled and square
813 ev.type = { "angled": "shortfermata", "square": "longfermata" }.get (txt, "fermata")
814 if hasattr (mxl_event, 'type'):
815 dir = musicxml_direction_to_indicator (mxl_event.type)
816 if dir and options.convert_directions:
817 ev.force_direction = dir
820 def musicxml_arpeggiate_to_lily_event (mxl_event):
821 ev = musicexp.ArpeggioEvent ()
822 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
825 def musicxml_nonarpeggiate_to_lily_event (mxl_event):
826 ev = musicexp.ArpeggioEvent ()
827 ev.non_arpeggiate = True
828 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
831 def musicxml_tremolo_to_lily_event (mxl_event):
832 ev = musicexp.TremoloEvent ()
833 txt = mxl_event.get_text ()
840 def musicxml_falloff_to_lily_event (mxl_event):
841 ev = musicexp.BendEvent ()
845 def musicxml_doit_to_lily_event (mxl_event):
846 ev = musicexp.BendEvent ()
850 def musicxml_bend_to_lily_event (mxl_event):
851 ev = musicexp.BendEvent ()
852 ev.alter = mxl_event.bend_alter ()
855 def musicxml_caesura_to_lily_event (mxl_event):
856 ev = musicexp.MarkupEvent ()
857 # FIXME: default to straight or curved caesura?
858 ev.contents = "\\musicglyph #\"scripts.caesura.straight\""
859 ev.force_direction = 1
862 def musicxml_fingering_event (mxl_event):
863 ev = musicexp.ShortArticulationEvent ()
864 ev.type = mxl_event.get_text ()
867 def musicxml_snappizzicato_event (mxl_event):
868 needed_additional_definitions.append ("snappizzicato")
869 ev = musicexp.MarkupEvent ()
870 ev.contents = "\\snappizzicato"
873 def musicxml_string_event (mxl_event):
874 ev = musicexp.NoDirectionArticulationEvent ()
875 ev.type = mxl_event.get_text ()
878 def musicxml_accidental_mark (mxl_event):
879 ev = musicexp.MarkupEvent ()
880 contents = { "sharp": "\\sharp",
881 "natural": "\\natural",
883 "double-sharp": "\\doublesharp",
884 "sharp-sharp": "\\sharp\\sharp",
885 "flat-flat": "\\flat\\flat",
886 "flat-flat": "\\doubleflat",
887 "natural-sharp": "\\natural\\sharp",
888 "natural-flat": "\\natural\\flat",
889 "quarter-flat": "\\semiflat",
890 "quarter-sharp": "\\semisharp",
891 "three-quarters-flat": "\\sesquiflat",
892 "three-quarters-sharp": "\\sesquisharp",
893 }.get (mxl_event.get_text ())
895 ev.contents = contents
900 # translate articulations, ornaments and other notations into ArticulationEvents
902 # -) string (ArticulationEvent with that name)
903 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
904 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
905 # TODO: Some translations are missing!
906 articulations_dict = {
907 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
908 "accidental-mark": musicxml_accidental_mark,
909 "bend": musicxml_bend_to_lily_event,
910 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
911 "caesura": musicxml_caesura_to_lily_event,
912 #"delayed-turn": "?",
913 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
914 "doit": musicxml_doit_to_lily_event,
915 #"double-tongue": "?",
916 "down-bow": "downbow",
917 "falloff": musicxml_falloff_to_lily_event,
918 "fingering": musicxml_fingering_event,
922 "harmonic": "flageolet",
924 "inverted-mordent": "prall",
925 "inverted-turn": "reverseturn",
926 "mordent": "mordent",
927 "open-string": "open",
934 "snap-pizzicato": musicxml_snappizzicato_event,
936 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
937 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
938 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
940 "string": musicxml_string_event,
941 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
943 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
944 "thumb-position": "thumb",
947 "tremolo": musicxml_tremolo_to_lily_event,
948 "trill-mark": "trill",
949 #"triple-tongue": "?",
954 articulation_spanners = [ "wavy-line" ]
956 def musicxml_articulation_to_lily_event (mxl_event):
957 # wavy-line elements are treated as trill spanners, not as articulation ornaments
958 if mxl_event.get_name () in articulation_spanners:
959 return musicxml_spanner_to_lily_event (mxl_event)
961 tmp_tp = articulations_dict.get (mxl_event.get_name ())
965 if isinstance (tmp_tp, str):
966 ev = musicexp.ArticulationEvent ()
968 elif isinstance (tmp_tp, tuple):
972 ev = tmp_tp (mxl_event)
974 # Some articulations use the type attribute, other the placement...
976 if hasattr (mxl_event, 'type') and options.convert_directions:
977 dir = musicxml_direction_to_indicator (mxl_event.type)
978 if hasattr (mxl_event, 'placement') and options.convert_directions:
979 dir = musicxml_direction_to_indicator (mxl_event.placement)
981 ev.force_direction = dir
986 def musicxml_dynamics_to_lily_event (dynentry):
987 dynamics_available = (
988 "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf",
989 "f", "ff", "fff", "ffff", "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" )
990 dynamicsname = dynentry.get_name ()
991 if dynamicsname == "other-dynamics":
992 dynamicsname = dynentry.get_text ()
993 if not dynamicsname or dynamicsname=="#text":
996 if not dynamicsname in dynamics_available:
997 # Get rid of - in tag names (illegal in ly tags!)
998 dynamicstext = dynamicsname
999 dynamicsname = string.replace (dynamicsname, "-", "")
1000 additional_definitions[dynamicsname] = dynamicsname + \
1001 " = #(make-dynamic-script \"" + dynamicstext + "\")"
1002 needed_additional_definitions.append (dynamicsname)
1003 event = musicexp.DynamicsEvent ()
1004 event.type = dynamicsname
1007 # Convert single-color two-byte strings to numbers 0.0 - 1.0
1008 def hexcolorval_to_nr (hex_val):
1010 v = int (hex_val, 16)
1017 def hex_to_color (hex_val):
1018 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])$', hex_val, re.IGNORECASE)
1020 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
1024 def musicxml_words_to_lily_event (words):
1025 event = musicexp.TextEvent ()
1026 text = words.get_text ()
1027 text = re.sub ('^ *\n? *', '', text)
1028 text = re.sub (' *\n? *$', '', text)
1031 if hasattr (words, 'default-y') and options.convert_directions:
1032 offset = getattr (words, 'default-y')
1034 off = string.atoi (offset)
1036 event.force_direction = 1
1038 event.force_direction = -1
1040 event.force_direction = 0
1042 if hasattr (words, 'font-weight'):
1043 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
1045 event.markup += font_weight
1047 if hasattr (words, 'font-size'):
1048 size = getattr (words, 'font-size')
1050 "xx-small": '\\teeny',
1051 "x-small": '\\tiny',
1055 "x-large": '\\huge',
1056 "xx-large": '\\bigger\\huge'
1059 event.markup += font_size
1061 if hasattr (words, 'color'):
1062 color = getattr (words, 'color')
1063 rgb = hex_to_color (color)
1065 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
1067 if hasattr (words, 'font-style'):
1068 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
1070 event.markup += font_style
1072 # TODO: How should I best convert the font-family attribute?
1074 # TODO: How can I represent the underline, overline and line-through
1075 # attributes in Lilypond? Values of these attributes indicate
1076 # the number of lines
1081 # convert accordion-registration to lilypond.
1082 # Since lilypond does not have any built-in commands, we need to create
1083 # the markup commands manually and define our own variables.
1084 # Idea was taken from: http://lsr.dsi.unimi.it/LSR/Item?id=194
1085 def musicxml_accordion_to_markup (mxl_event):
1086 commandname = "accReg"
1089 high = mxl_event.get_maybe_exist_named_child ('accordion-high')
1092 command += """\\combine
1093 \\raise #2.5 \\musicglyph #\"accordion.accDot\"
1095 middle = mxl_event.get_maybe_exist_named_child ('accordion-middle')
1097 # By default, use one dot (when no or invalid content is given). The
1098 # MusicXML spec is quiet about this case...
1101 txt = string.atoi (middle.get_text ())
1105 commandname += "MMM"
1106 command += """\\combine
1107 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1109 \\raise #1.5 \\translate #(cons 1 0) \\musicglyph #\"accordion.accDot\"
1111 \\raise #1.5 \\translate #(cons -1 0) \\musicglyph #\"accordion.accDot\"
1115 command += """\\combine
1116 \\raise #1.5 \\translate #(cons 0.5 0) \\musicglyph #\"accordion.accDot\"
1118 \\raise #1.5 \\translate #(cons -0.5 0) \\musicglyph #\"accordion.accDot\"
1122 command += """\\combine
1123 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1125 low = mxl_event.get_maybe_exist_named_child ('accordion-low')
1128 command += """\\combine
1129 \\raise #0.5 \musicglyph #\"accordion.accDot\"
1132 command += "\musicglyph #\"accordion.accDiscant\""
1133 command = "\\markup { \\normalsize %s }" % command
1134 # Define the newly built command \accReg[H][MMM][L]
1135 additional_definitions[commandname] = "%s = %s" % (commandname, command)
1136 needed_additional_definitions.append (commandname)
1137 return "\\%s" % commandname
1139 def musicxml_accordion_to_ly (mxl_event):
1140 txt = musicxml_accordion_to_markup (mxl_event)
1142 ev = musicexp.MarkEvent (txt)
1147 def musicxml_rehearsal_to_ly_mark (mxl_event):
1148 text = mxl_event.get_text ()
1151 # default is boxed rehearsal marks!
1153 if hasattr (mxl_event, 'enclosure'):
1154 encl = {"none": None, "square": "box", "circle": "circle" }.get (mxl_event.enclosure, None)
1156 text = "\\%s { %s }" % (encl, text)
1157 ev = musicexp.MarkEvent ("\\markup { %s }" % text)
1160 def musicxml_eyeglasses_to_ly (mxl_event):
1161 needed_additional_definitions.append ("eyeglasses")
1162 return musicexp.MarkEvent ("\\eyeglasses")
1164 def next_non_hash_index (lst, pos):
1166 while pos < len (lst) and isinstance (lst[pos], musicxml.Hash_text):
1170 def musicxml_metronome_to_ly (mxl_event):
1171 children = mxl_event.get_all_children ()
1176 index = next_non_hash_index (children, index)
1177 if isinstance (children[index], musicxml.BeatUnit):
1178 # first form of metronome-mark, using unit and beats/min or other unit
1179 ev = musicexp.TempoMark ()
1180 if hasattr (mxl_event, 'parentheses'):
1181 ev.set_parentheses (mxl_event.parentheses == "yes")
1183 d = musicexp.Duration ()
1184 d.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1185 index = next_non_hash_index (children, index)
1186 if isinstance (children[index], musicxml.BeatUnitDot):
1188 index = next_non_hash_index (children, index)
1189 ev.set_base_duration (d)
1190 if isinstance (children[index], musicxml.BeatUnit):
1191 # Form "note = newnote"
1192 newd = musicexp.Duration ()
1193 newd.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1194 index = next_non_hash_index (children, index)
1195 if isinstance (children[index], musicxml.BeatUnitDot):
1197 index = next_non_hash_index (children, index)
1198 ev.set_new_duration (newd)
1199 elif isinstance (children[index], musicxml.PerMinute):
1202 beats = int (children[index].get_text ())
1203 ev.set_beats_per_minute (beats)
1207 error_message (_ ("Unknown metronome mark, ignoring"))
1211 #TODO: Implement the other (more complex) way for tempo marks!
1212 error_message (_ ("Metronome marks with complex relations (<metronome-note> in MusicXML) are not yet implemented."))
1215 # translate directions into Events, possible values:
1216 # -) string (MarkEvent with that command)
1217 # -) function (function(mxl_event) needs to return a full Event-derived object
1218 # -) (class, name) (like string, only that a different class than MarkEvent is used)
1220 'accordion-registration' : musicxml_accordion_to_ly,
1221 'coda' : (musicexp.MusicGlyphMarkEvent, "coda"),
1224 'eyeglasses': musicxml_eyeglasses_to_ly,
1225 # 'harp-pedals' : ???
1227 'metronome' : musicxml_metronome_to_ly,
1228 'rehearsal' : musicxml_rehearsal_to_ly_mark,
1229 # 'scordatura' : ???
1230 'segno' : (musicexp.MusicGlyphMarkEvent, "segno"),
1231 'words' : musicxml_words_to_lily_event,
1233 directions_spanners = [ 'octave-shift', 'pedal', 'wedge', 'dashes', 'bracket' ]
1235 def musicxml_direction_to_lily (n):
1236 # TODO: Handle the <staff> element!
1238 # placement applies to all children!
1240 if hasattr (n, 'placement') and options.convert_directions:
1241 dir = musicxml_direction_to_indicator (n.placement)
1242 dirtype_children = []
1243 # TODO: The direction-type is used for grouping (e.g. dynamics with text),
1244 # so we can't simply flatten them out!
1245 for dt in n.get_typed_children (musicxml.DirType):
1246 dirtype_children += dt.get_all_children ()
1248 for entry in dirtype_children:
1249 # backets, dashes, octave shifts. pedal marks, hairpins etc. are spanners:
1250 if entry.get_name() in directions_spanners:
1251 event = musicxml_spanner_to_lily_event (entry)
1256 # now treat all the "simple" ones, that can be translated using the dict
1258 tmp_tp = directions_dict.get (entry.get_name (), None)
1259 if isinstance (tmp_tp, str): # string means MarkEvent
1260 ev = musicexp.MarkEvent (tmp_tp)
1261 elif isinstance (tmp_tp, tuple): # tuple means (EventClass, "text")
1262 ev = tmp_tp[0] (tmp_tp[1])
1266 # TODO: set the correct direction! Unfortunately, \mark in ly does
1267 # not seem to support directions!
1271 if entry.get_name () == "dynamics":
1272 for dynentry in entry.get_all_children ():
1273 ev = musicxml_dynamics_to_lily_event (dynentry)
1279 def musicxml_frame_to_lily_event (frame):
1280 ev = musicexp.FretEvent ()
1281 ev.strings = frame.get_strings ()
1282 ev.frets = frame.get_frets ()
1283 #offset = frame.get_first_fret () - 1
1285 for fn in frame.get_named_children ('frame-note'):
1286 fret = fn.get_fret ()
1289 el = [ fn.get_string (), fret ]
1290 fingering = fn.get_fingering ()
1292 el.append (fingering)
1293 ev.elements.append (el)
1296 barre[0] = el[0] # start string
1297 barre[2] = el[1] # fret
1299 barre[1] = el[0] # end string
1304 def musicxml_harmony_to_lily (n):
1306 for f in n.get_named_children ('frame'):
1307 ev = musicxml_frame_to_lily_event (f)
1313 def musicxml_chordpitch_to_lily (mxl_cpitch):
1314 r = musicexp.ChordPitch ()
1315 r.alteration = mxl_cpitch.get_alteration ()
1316 r.step = musicxml_step_to_lily (mxl_cpitch.get_step ())
1322 'augmented': 'aug5',
1323 'diminished': 'dim5',
1326 'major-seventh': 'maj7',
1327 'minor-seventh': 'm7',
1328 'diminished-seventh': 'dim7',
1329 'augmented-seventh': 'aug7',
1330 'half-diminished': 'dim5m7',
1331 'major-minor': 'maj7m5',
1334 'minor-sixth': 'm6',
1336 'dominant-ninth': '9',
1337 'major-ninth': 'maj9',
1338 'minor-ninth': 'm9',
1339 # 11ths (usually as the basis for alteration):
1340 'dominant-11th': '11',
1341 'major-11th': 'maj11',
1342 'minor-11th': 'm11',
1343 # 13ths (usually as the basis for alteration):
1344 'dominant-13th': '13.11',
1345 'major-13th': 'maj13.11',
1346 'minor-13th': 'm13',
1348 'suspended-second': 'sus2',
1349 'suspended-fourth': 'sus4',
1350 # Functional sixths:
1352 #'Neapolitan': '???',
1357 #'pedal': '???',(pedal-point bass)
1364 def musicxml_chordkind_to_lily (kind):
1365 res = chordkind_dict.get (kind, None)
1366 # Check for None, since a major chord is converted to ''
1368 error_message (_ ("Unable to convert chord type %s to lilypond.") % kind)
1371 def musicxml_harmony_to_lily_chordname (n):
1373 root = n.get_maybe_exist_named_child ('root')
1375 ev = musicexp.ChordNameEvent ()
1376 ev.root = musicxml_chordpitch_to_lily (root)
1377 kind = n.get_maybe_exist_named_child ('kind')
1379 ev.kind = musicxml_chordkind_to_lily (kind.get_text ())
1382 bass = n.get_maybe_exist_named_child ('bass')
1384 ev.bass = musicxml_chordpitch_to_lily (bass)
1385 inversion = n.get_maybe_exist_named_child ('inversion')
1387 # TODO: Lilypond does not support inversions, does it?
1389 # Mail from Carl Sorensen on lilypond-devel, June 11, 2008:
1390 # 4. LilyPond supports the first inversion in the form of added
1391 # bass notes. So the first inversion of C major would be c:/g.
1392 # To get the second inversion of C major, you would need to do
1393 # e:6-3-^5 or e:m6-^5. However, both of these techniques
1394 # require you to know the chord and calculate either the fifth
1395 # pitch (for the first inversion) or the third pitch (for the
1396 # second inversion) so they may not be helpful for musicxml2ly.
1397 inversion_count = string.atoi (inversion.get_text ())
1398 if inversion_count == 1:
1399 # TODO: Calculate the bass note for the inversion...
1402 for deg in n.get_named_children ('degree'):
1403 d = musicexp.ChordModification ()
1404 d.type = deg.get_type ()
1405 d.step = deg.get_value ()
1406 d.alteration = deg.get_alter ()
1407 ev.add_modification (d)
1408 #TODO: convert the user-symbols attribute:
1409 #major: a triangle, like Unicode 25B3
1410 #minor: -, like Unicode 002D
1411 #augmented: +, like Unicode 002B
1412 #diminished: (degree), like Unicode 00B0
1413 #half-diminished: (o with slash), like Unicode 00F8
1419 def musicxml_figured_bass_note_to_lily (n):
1420 res = musicexp.FiguredBassNote ()
1421 suffix_dict = { 'sharp' : "+",
1424 'double-sharp' : "++",
1426 'sharp-sharp' : "++",
1428 prefix = n.get_maybe_exist_named_child ('prefix')
1430 res.set_prefix (suffix_dict.get (prefix.get_text (), ""))
1431 fnumber = n.get_maybe_exist_named_child ('figure-number')
1433 res.set_number (fnumber.get_text ())
1434 suffix = n.get_maybe_exist_named_child ('suffix')
1436 res.set_suffix (suffix_dict.get (suffix.get_text (), ""))
1437 if n.get_maybe_exist_named_child ('extend'):
1438 # TODO: Implement extender lines (unfortunately, in lilypond you have
1439 # to use \set useBassFigureExtenders = ##t, which turns them on
1440 # globally, while MusicXML has a property for each note...
1441 # I'm not sure there is a proper way to implement this cleanly
1448 def musicxml_figured_bass_to_lily (n):
1449 if not isinstance (n, musicxml.FiguredBass):
1451 res = musicexp.FiguredBassEvent ()
1452 for i in n.get_named_children ('figure'):
1453 note = musicxml_figured_bass_note_to_lily (i)
1456 dur = n.get_maybe_exist_named_child ('duration')
1458 # apply the duration to res
1459 length = Rational(int(dur.get_text()), n._divisions)*Rational(1,4)
1460 res.set_real_duration (length)
1461 duration = rational_to_lily_duration (length)
1463 res.set_duration (duration)
1464 if hasattr (n, 'parentheses') and n.parentheses == "yes":
1465 res.set_parentheses (True)
1468 instrument_drumtype_dict = {
1469 'Acoustic Snare Drum': 'acousticsnare',
1470 'Side Stick': 'sidestick',
1471 'Open Triangle': 'opentriangle',
1472 'Mute Triangle': 'mutetriangle',
1473 'Tambourine': 'tambourine',
1474 'Bass Drum': 'bassdrum',
1477 def musicxml_note_to_lily_main_event (n):
1482 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1484 pitch = musicxml_pitch_to_lily (mxl_pitch)
1485 event = musicexp.NoteEvent ()
1488 acc = n.get_maybe_exist_named_child ('accidental')
1490 # let's not force accs everywhere.
1491 event.cautionary = acc.editorial
1493 elif n.get_maybe_exist_typed_child (musicxml.Unpitched):
1494 # Unpitched elements have display-step and can also have
1496 unpitched = n.get_maybe_exist_typed_child (musicxml.Unpitched)
1497 event = musicexp.NoteEvent ()
1498 event.pitch = musicxml_unpitched_to_lily (unpitched)
1500 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1501 # rests can have display-octave and display-step, which are
1502 # treated like an ordinary note pitch
1503 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1504 event = musicexp.RestEvent ()
1505 pitch = musicxml_restdisplay_to_lily (rest)
1508 elif n.instrument_name:
1509 event = musicexp.NoteEvent ()
1510 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1512 event.drum_type = drum_type
1514 n.message (_ ("drum %s type unknown, please add to instrument_drumtype_dict") % n.instrument_name)
1515 event.drum_type = 'acousticsnare'
1518 n.message (_ ("cannot find suitable event"))
1521 event.duration = musicxml_duration_to_lily (n)
1528 def __init__ (self, here, dest):
1532 class LilyPondVoiceBuilder:
1533 def __init__ (self):
1535 self.pending_dynamics = []
1536 self.end_moment = Rational (0)
1537 self.begin_moment = Rational (0)
1538 self.pending_multibar = Rational (0)
1539 self.ignore_skips = False
1540 self.has_relevant_elements = False
1542 def _insert_multibar (self):
1543 r = musicexp.MultiMeasureRest ()
1544 r.duration = musicexp.Duration()
1545 r.duration.duration_log = 0
1546 r.duration.factor = self.pending_multibar
1547 self.elements.append (r)
1548 self.begin_moment = self.end_moment
1549 self.end_moment = self.begin_moment + self.pending_multibar
1550 self.pending_multibar = Rational (0)
1552 def add_multibar_rest (self, duration):
1553 self.pending_multibar += duration
1555 def set_duration (self, duration):
1556 self.end_moment = self.begin_moment + duration
1557 def current_duration (self):
1558 return self.end_moment - self.begin_moment
1560 def add_music (self, music, duration):
1561 assert isinstance (music, musicexp.Music)
1562 if self.pending_multibar > Rational (0):
1563 self._insert_multibar ()
1565 self.has_relevant_elements = True
1566 self.elements.append (music)
1567 self.begin_moment = self.end_moment
1568 self.set_duration (duration)
1570 # Insert all pending dynamics right after the note/rest:
1571 if isinstance (music, musicexp.ChordEvent) and self.pending_dynamics:
1572 for d in self.pending_dynamics:
1574 self.pending_dynamics = []
1576 # Insert some music command that does not affect the position in the measure
1577 def add_command (self, command):
1578 assert isinstance (command, musicexp.Music)
1579 if self.pending_multibar > Rational (0):
1580 self._insert_multibar ()
1581 self.has_relevant_elements = True
1582 self.elements.append (command)
1583 def add_barline (self, barline):
1584 # TODO: Implement merging of default barline and custom bar line
1585 self.add_music (barline, Rational (0))
1586 def add_partial (self, command):
1587 self.ignore_skips = True
1588 self.add_command (command)
1590 def add_dynamics (self, dynamic):
1591 # store the dynamic item(s) until we encounter the next note/rest:
1592 self.pending_dynamics.append (dynamic)
1594 def add_bar_check (self, number):
1595 # re/store has_relevant_elements, so that a barline alone does not
1596 # trigger output for figured bass, chord names
1597 has_relevant = self.has_relevant_elements
1598 b = musicexp.BarLine ()
1599 b.bar_number = number
1600 self.add_barline (b)
1601 self.has_relevant_elements = has_relevant
1603 def jumpto (self, moment):
1604 current_end = self.end_moment + self.pending_multibar
1605 diff = moment - current_end
1607 if diff < Rational (0):
1608 error_message (_ ('Negative skip %s') % diff)
1611 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
1612 skip = musicexp.SkipEvent()
1614 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)
1616 if duration_log > 0: # denominator is a power of 2...
1617 if diff.numerator () == 3:
1621 duration_factor = Rational (diff.numerator ())
1623 # for skips of a whole or more, simply use s1*factor
1625 duration_factor = diff
1626 skip.duration.duration_log = duration_log
1627 skip.duration.factor = duration_factor
1628 skip.duration.dots = duration_dots
1630 evc = musicexp.ChordEvent ()
1631 evc.elements.append (skip)
1632 self.add_music (evc, diff)
1634 if diff > Rational (0) and moment == 0:
1635 self.ignore_skips = False
1637 def last_event_chord (self, starting_at):
1641 # if the position matches, find the last ChordEvent, do not cross a bar line!
1642 at = len( self.elements ) - 1
1644 not isinstance (self.elements[at], musicexp.ChordEvent) and
1645 not isinstance (self.elements[at], musicexp.BarLine)):
1650 and isinstance (self.elements[at], musicexp.ChordEvent)
1651 and self.begin_moment == starting_at):
1652 value = self.elements[at]
1654 self.jumpto (starting_at)
1658 def correct_negative_skip (self, goto):
1659 self.end_moment = goto
1660 self.begin_moment = goto
1661 evc = musicexp.ChordEvent ()
1662 self.elements.append (evc)
1666 def __init__ (self):
1667 self.voicename = None
1668 self.voicedata = None
1669 self.ly_voice = None
1670 self.figured_bass = None
1671 self.chordnames = None
1672 self.lyrics_dict = {}
1673 self.lyrics_order = []
1675 def musicxml_step_to_lily (step):
1677 return (ord (step) - ord ('A') + 7 - 2) % 7
1681 def musicxml_voice_to_lily_voice (voice):
1685 return_value = VoiceData ()
1686 return_value.voicedata = voice
1688 # First pitch needed for relative mode (if selected in command-line options)
1691 # Needed for melismata detection (ignore lyrics on those notes!):
1696 ignore_lyrics = False
1698 current_staff = None
1700 pending_figured_bass = []
1701 pending_chordnames = []
1703 # Make sure that the keys in the dict don't get reordered, since
1704 # we need the correct ordering of the lyrics stanzas! By default,
1705 # a dict will reorder its keys
1706 return_value.lyrics_order = voice.get_lyrics_numbers ()
1707 for k in return_value.lyrics_order:
1710 voice_builder = LilyPondVoiceBuilder ()
1711 figured_bass_builder = LilyPondVoiceBuilder ()
1712 chordnames_builder = LilyPondVoiceBuilder ()
1714 for n in voice._elements:
1715 if n.get_name () == 'forward':
1717 staff = n.get_maybe_exist_named_child ('staff')
1719 staff = staff.get_text ()
1720 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
1721 voice_builder.add_command (musicexp.StaffChange (staff))
1722 current_staff = staff
1724 if isinstance (n, musicxml.Partial) and n.partial > 0:
1725 a = musicxml_partial_to_lily (n.partial)
1727 voice_builder.add_partial (a)
1730 if isinstance (n, musicxml.Direction):
1731 for a in musicxml_direction_to_lily (n):
1732 if a.wait_for_note ():
1733 voice_builder.add_dynamics (a)
1735 voice_builder.add_command (a)
1738 if isinstance (n, musicxml.Harmony):
1739 for a in musicxml_harmony_to_lily (n):
1740 if a.wait_for_note ():
1741 voice_builder.add_dynamics (a)
1743 voice_builder.add_command (a)
1744 for a in musicxml_harmony_to_lily_chordname (n):
1745 pending_chordnames.append (a)
1748 if isinstance (n, musicxml.FiguredBass):
1749 a = musicxml_figured_bass_to_lily (n)
1751 pending_figured_bass.append (a)
1754 is_chord = n.get_maybe_exist_named_child ('chord')
1757 voice_builder.jumpto (n._when)
1758 except NegativeSkip, neg:
1759 voice_builder.correct_negative_skip (n._when)
1760 n.message (_ ("Negative skip found: from %s to %s, difference is %s") % (neg.here, neg.dest, neg.dest - neg.here))
1762 if isinstance (n, musicxml.Attributes):
1763 if n.is_first () and n._measure_position == Rational (0):
1765 number = int (n.get_parent ().number)
1769 voice_builder.add_bar_check (number)
1770 figured_bass_builder.add_bar_check (number)
1771 chordnames_builder.add_bar_check (number)
1773 for a in musicxml_attributes_to_lily (n):
1774 voice_builder.add_command (a)
1777 if isinstance (n, musicxml.Barline):
1778 barlines = musicxml_barline_to_lily (n)
1780 if isinstance (a, musicexp.BarLine):
1781 voice_builder.add_barline (a)
1782 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
1783 voice_builder.add_command (a)
1786 if not n.__class__.__name__ == 'Note':
1787 error_message (_ ('unexpected %s; expected %s or %s or %s') % (n, 'Note', 'Attributes', 'Barline'))
1790 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1792 and rest.is_whole_measure ()):
1794 voice_builder.add_multibar_rest (n._duration)
1797 if n.is_first () and n._measure_position == Rational (0):
1799 num = int (n.get_parent ().number)
1803 voice_builder.add_bar_check (num)
1804 figured_bass_builder.add_bar_check (num)
1805 chordnames_builder.add_bar_check (num)
1807 main_event = musicxml_note_to_lily_main_event (n)
1808 if main_event and not first_pitch:
1809 first_pitch = main_event.pitch
1810 # ignore lyrics for notes inside a slur, tie, chord or beam
1811 ignore_lyrics = inside_slur or is_tied or is_chord or is_beamed
1813 if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
1814 modes_found['drummode'] = True
1816 ev_chord = voice_builder.last_event_chord (n._when)
1818 ev_chord = musicexp.ChordEvent()
1819 voice_builder.add_music (ev_chord, n._duration)
1821 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
1824 if n.get_maybe_exist_typed_child (musicxml.Chord) and ev_chord.grace_elements:
1825 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
1827 grace_chord = musicexp.ChordEvent ()
1828 ev_chord.append_grace (grace_chord)
1829 if hasattr (grace, 'slash'):
1830 # TODO: use grace_type = "appoggiatura" for slurred grace notes
1831 if grace.slash == "yes":
1832 ev_chord.grace_type = "acciaccatura"
1833 # now that we have inserted the chord into the grace music, insert
1834 # everything into that chord instead of the ev_chord
1835 ev_chord = grace_chord
1836 ev_chord.append (main_event)
1837 ignore_lyrics = True
1839 ev_chord.append (main_event)
1840 # When a note/chord has grace notes (duration==0), the duration of the
1841 # event chord is not yet known, but the event chord was already added
1842 # with duration 0. The following correct this when we hit the real note!
1843 if voice_builder.current_duration () == 0 and n._duration > 0:
1844 voice_builder.set_duration (n._duration)
1846 # if we have a figured bass, set its voice builder to the correct position
1847 # and insert the pending figures
1848 if pending_figured_bass:
1850 figured_bass_builder.jumpto (n._when)
1851 except NegativeSkip, neg:
1853 for fb in pending_figured_bass:
1854 # if a duration is given, use that, otherwise the one of the note
1855 dur = fb.real_duration
1857 dur = ev_chord.get_length ()
1859 fb.duration = ev_chord.get_duration ()
1860 figured_bass_builder.add_music (fb, dur)
1861 pending_figured_bass = []
1863 if pending_chordnames:
1865 chordnames_builder.jumpto (n._when)
1866 except NegativeSkip, neg:
1868 for cn in pending_chordnames:
1869 # Assign the duration of the EventChord
1870 cn.duration = ev_chord.get_duration ()
1871 chordnames_builder.add_music (cn, ev_chord.get_length ())
1872 pending_chordnames = []
1875 notations_children = n.get_typed_children (musicxml.Notations)
1879 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
1880 # +tied | +slur | +tuplet | glissando | slide |
1881 # ornaments | technical | articulations | dynamics |
1882 # +fermata | arpeggiate | non-arpeggiate |
1883 # accidental-mark | other-notation
1884 for notations in notations_children:
1885 for tuplet_event in notations.get_tuplets():
1886 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1889 frac = mod.get_fraction ()
1891 tuplet_events.append ((ev_chord, tuplet_event, frac))
1893 slurs = [s for s in notations.get_named_children ('slur')
1894 if s.get_type () in ('start','stop')]
1897 error_message (_ ('cannot have two simultaneous slurs'))
1898 # record the slur status for the next note in the loop
1900 if slurs[0].get_type () == 'start':
1902 elif slurs[0].get_type () == 'stop':
1904 lily_ev = musicxml_spanner_to_lily_event (slurs[0])
1905 ev_chord.append (lily_ev)
1908 mxl_tie = notations.get_tie ()
1909 if mxl_tie and mxl_tie.type == 'start':
1910 ev_chord.append (musicexp.TieEvent ())
1915 fermatas = notations.get_named_children ('fermata')
1917 ev = musicxml_fermata_to_lily_event (a)
1919 ev_chord.append (ev)
1921 arpeggiate = notations.get_named_children ('arpeggiate')
1922 for a in arpeggiate:
1923 ev = musicxml_arpeggiate_to_lily_event (a)
1925 ev_chord.append (ev)
1927 arpeggiate = notations.get_named_children ('non-arpeggiate')
1928 for a in arpeggiate:
1929 ev = musicxml_nonarpeggiate_to_lily_event (a)
1931 ev_chord.append (ev)
1933 glissandos = notations.get_named_children ('glissando')
1934 glissandos += notations.get_named_children ('slide')
1935 for a in glissandos:
1936 ev = musicxml_spanner_to_lily_event (a)
1938 ev_chord.append (ev)
1940 # accidental-marks are direct children of <notation>!
1941 for a in notations.get_named_children ('accidental-mark'):
1942 ev = musicxml_articulation_to_lily_event (a)
1944 ev_chord.append (ev)
1946 # Articulations can contain the following child elements:
1947 # accent | strong-accent | staccato | tenuto |
1948 # detached-legato | staccatissimo | spiccato |
1949 # scoop | plop | doit | falloff | breath-mark |
1950 # caesura | stress | unstress
1951 # Technical can contain the following child elements:
1952 # up-bow | down-bow | harmonic | open-string |
1953 # thumb-position | fingering | pluck | double-tongue |
1954 # triple-tongue | stopped | snap-pizzicato | fret |
1955 # string | hammer-on | pull-off | bend | tap | heel |
1956 # toe | fingernails | other-technical
1957 # Ornaments can contain the following child elements:
1958 # trill-mark | turn | delayed-turn | inverted-turn |
1959 # shake | wavy-line | mordent | inverted-mordent |
1960 # schleifer | tremolo | other-ornament, accidental-mark
1961 ornaments = notations.get_named_children ('ornaments')
1962 ornaments += notations.get_named_children ('articulations')
1963 ornaments += notations.get_named_children ('technical')
1966 for ch in a.get_all_children ():
1967 ev = musicxml_articulation_to_lily_event (ch)
1969 ev_chord.append (ev)
1971 dynamics = notations.get_named_children ('dynamics')
1973 for ch in a.get_all_children ():
1974 ev = musicxml_dynamics_to_lily_event (ch)
1976 ev_chord.append (ev)
1979 mxl_beams = [b for b in n.get_named_children ('beam')
1980 if (b.get_type () in ('begin', 'end')
1981 and b.is_primary ())]
1982 if mxl_beams and not conversion_settings.ignore_beaming:
1983 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
1985 ev_chord.append (beam_ev)
1986 if beam_ev.span_direction == -1: # beam and thus melisma starts here
1988 elif beam_ev.span_direction == 1: # beam and thus melisma ends here
1992 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1995 frac = mod.get_fraction ()
1997 tuplet_events.append ((ev_chord, tuplet_event, frac))
1999 # Extract the lyrics
2000 if not rest and not ignore_lyrics:
2001 note_lyrics_processed = []
2002 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
2003 for l in note_lyrics_elements:
2004 if l.get_number () < 0:
2005 for k in lyrics.keys ():
2006 lyrics[k].append (l.lyric_to_text ())
2007 note_lyrics_processed.append (k)
2009 lyrics[l.number].append(l.lyric_to_text ())
2010 note_lyrics_processed.append (l.number)
2011 for lnr in lyrics.keys ():
2012 if not lnr in note_lyrics_processed:
2013 lyrics[lnr].append ("\skip4")
2015 ## force trailing mm rests to be written out.
2016 voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
2018 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
2019 ly_voice = group_repeats (ly_voice)
2021 seq_music = musicexp.SequentialMusic ()
2023 if 'drummode' in modes_found.keys ():
2024 ## \key <pitch> barfs in drummode.
2025 ly_voice = [e for e in ly_voice
2026 if not isinstance(e, musicexp.KeySignatureChange)]
2028 seq_music.elements = ly_voice
2029 for k in lyrics.keys ():
2030 return_value.lyrics_dict[k] = musicexp.Lyrics ()
2031 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
2034 if len (modes_found) > 1:
2035 error_message (_ ('cannot simultaneously have more than one mode: %s') % modes_found.keys ())
2037 if options.relative:
2038 v = musicexp.RelativeMusic ()
2039 v.element = seq_music
2040 v.basepitch = first_pitch
2043 return_value.ly_voice = seq_music
2044 for mode in modes_found.keys ():
2045 v = musicexp.ModeChangingMusicWrapper()
2046 v.element = seq_music
2048 return_value.ly_voice = v
2050 # create \figuremode { figured bass elements }
2051 if figured_bass_builder.has_relevant_elements:
2052 fbass_music = musicexp.SequentialMusic ()
2053 fbass_music.elements = figured_bass_builder.elements
2054 v = musicexp.ModeChangingMusicWrapper()
2055 v.mode = 'figuremode'
2056 v.element = fbass_music
2057 return_value.figured_bass = v
2059 # create \chordmode { chords }
2060 if chordnames_builder.has_relevant_elements:
2061 cname_music = musicexp.SequentialMusic ()
2062 cname_music.elements = chordnames_builder.elements
2063 v = musicexp.ModeChangingMusicWrapper()
2064 v.mode = 'chordmode'
2065 v.element = cname_music
2066 return_value.chordnames = v
2070 def musicxml_id_to_lily (id):
2071 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
2072 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
2074 for digit in digits:
2075 d = digits.index (digit)
2076 id = re.sub ('%d' % d, digit, id)
2078 id = re.sub ('[^a-zA-Z]', 'X', id)
2081 def musicxml_pitch_to_lily (mxl_pitch):
2082 p = musicexp.Pitch ()
2083 p.alteration = mxl_pitch.get_alteration ()
2084 p.step = musicxml_step_to_lily (mxl_pitch.get_step ())
2085 p.octave = mxl_pitch.get_octave () - 4
2088 def musicxml_unpitched_to_lily (mxl_unpitched):
2090 step = mxl_unpitched.get_step ()
2092 p = musicexp.Pitch ()
2093 p.step = musicxml_step_to_lily (step)
2094 octave = mxl_unpitched.get_octave ()
2096 p.octave = octave - 4
2099 def musicxml_restdisplay_to_lily (mxl_rest):
2101 step = mxl_rest.get_step ()
2103 p = musicexp.Pitch ()
2104 p.step = musicxml_step_to_lily (step)
2105 octave = mxl_rest.get_octave ()
2107 p.octave = octave - 4
2110 def voices_in_part (part):
2111 """Return a Name -> Voice dictionary for PART"""
2113 part.extract_voices ()
2114 voices = part.get_voices ()
2115 part_info = part.get_staff_attributes ()
2117 return (voices, part_info)
2119 def voices_in_part_in_parts (parts):
2120 """return a Part -> Name -> Voice dictionary"""
2121 return dict([(p.id, voices_in_part (p)) for p in parts])
2124 def get_all_voices (parts):
2125 all_voices = voices_in_part_in_parts (parts)
2128 all_ly_staffinfo = {}
2129 for p, (name_voice, staff_info) in all_voices.items ():
2132 for n, v in name_voice.items ():
2133 progress (_ ("Converting to LilyPond expressions..."))
2134 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
2135 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
2137 all_ly_voices[p] = part_ly_voices
2138 all_ly_staffinfo[p] = staff_info
2140 return (all_ly_voices, all_ly_staffinfo)
2143 def option_parser ():
2144 p = ly.get_option_parser (usage = _ ("musicxml2ly [OPTION]... FILE.xml"),
2146 _ ("""Convert MusicXML from FILE.xml to LilyPond input.
2147 If the given filename is -, musicxml2ly reads from the command line.
2148 """), add_help_option=False)
2150 p.add_option("-h", "--help",
2152 help=_ ("show this help and exit"))
2154 p.version = ('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
2156 _ ("""Copyright (c) 2005--2008 by
2157 Han-Wen Nienhuys <hanwen@xs4all.nl>,
2158 Jan Nieuwenhuizen <janneke@gnu.org> and
2159 Reinhold Kainhofer <reinhold@kainhofer.com>
2163 This program is free software. It is covered by the GNU General Public
2164 License and you are welcome to change it and/or distribute copies of it
2165 under certain conditions. Invoke as `%s --warranty' for more
2166 information.""") % 'lilypond')
2168 p.add_option("--version",
2170 help=_ ("show version number and exit"))
2172 p.add_option ('-v', '--verbose',
2173 action = "store_true",
2175 help = _ ("be verbose"))
2177 p.add_option ('', '--lxml',
2178 action = "store_true",
2181 help = _ ("use lxml.etree; uses less memory and cpu time"))
2183 p.add_option ('-z', '--compressed',
2184 action = "store_true",
2185 dest = 'compressed',
2187 help = _ ("input file is a zip-compressed MusicXML file"))
2189 p.add_option ('-r', '--relative',
2190 action = "store_true",
2193 help = _ ("convert pitches in relative mode (default)"))
2195 p.add_option ('-a', '--absolute',
2196 action = "store_false",
2198 help = _ ("convert pitches in absolute mode"))
2200 p.add_option ('-l', '--language',
2201 metavar = _ ("LANG"),
2203 help = _ ("use a different language file 'LANG.ly' and corresponding pitch names, e.g. 'deutsch' for deutsch.ly"))
2205 p.add_option ('--nd', '--no-articulation-directions',
2206 action = "store_false",
2208 dest = "convert_directions",
2209 help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
2211 p.add_option ('--no-beaming',
2212 action = "store_false",
2214 dest = "convert_beaming",
2215 help = _ ("do not convert beaming information, use lilypond's automatic beaming instead"))
2217 p.add_option ('-o', '--output',
2218 metavar = _ ("FILE"),
2222 dest = 'output_name',
2223 help = _ ("set output filename to FILE, stdout if -"))
2224 p.add_option_group ('',
2225 description = (_ ("Report bugs via")
2226 + ''' http://post.gmane.org/post.php'''
2227 '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
2230 def music_xml_voice_name_to_lily_name (part_id, name):
2231 str = "Part%sVoice%s" % (part_id, name)
2232 return musicxml_id_to_lily (str)
2234 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
2235 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
2236 return musicxml_id_to_lily (str)
2238 def music_xml_figuredbass_name_to_lily_name (part_id, voicename):
2239 str = "Part%sVoice%sFiguredBass" % (part_id, voicename)
2240 return musicxml_id_to_lily (str)
2242 def music_xml_chordnames_name_to_lily_name (part_id, voicename):
2243 str = "Part%sVoice%sChords" % (part_id, voicename)
2244 return musicxml_id_to_lily (str)
2246 def print_voice_definitions (printer, part_list, voices):
2247 for part in part_list:
2249 nv_dict = voices.get (part_id, {})
2250 for (name, voice) in nv_dict.items ():
2251 k = music_xml_voice_name_to_lily_name (part_id, name)
2252 printer.dump ('%s = ' % k)
2253 voice.ly_voice.print_ly (printer)
2255 if voice.chordnames:
2256 cnname = music_xml_chordnames_name_to_lily_name (part_id, name)
2257 printer.dump ('%s = ' % cnname )
2258 voice.chordnames.print_ly (printer)
2260 for l in voice.lyrics_order:
2261 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
2262 printer.dump ('%s = ' % lname )
2263 voice.lyrics_dict[l].print_ly (printer)
2265 if voice.figured_bass:
2266 fbname = music_xml_figuredbass_name_to_lily_name (part_id, name)
2267 printer.dump ('%s = ' % fbname )
2268 voice.figured_bass.print_ly (printer)
2273 return dict ([(elt,1) for elt in l]).keys ()
2275 # format the information about the staff in the form
2278 # [voiceid1, [lyricsid11, lyricsid12,...], figuredbassid1],
2279 # [voiceid2, [lyricsid21, lyricsid22,...], figuredbassid2],
2283 # raw_voices is of the form [(voicename, lyricsids, havefiguredbass)*]
2284 def format_staff_info (part_id, staff_id, raw_voices):
2286 for (v, lyricsids, figured_bass, chordnames) in raw_voices:
2287 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
2288 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
2290 figured_bass_name = ''
2292 figured_bass_name = music_xml_figuredbass_name_to_lily_name (part_id, v)
2293 chordnames_name = ''
2295 chordnames_name = music_xml_chordnames_name_to_lily_name (part_id, v)
2296 voices.append ([voice_name, voice_lyrics, figured_bass_name, chordnames_name])
2297 return [staff_id, voices]
2299 def update_score_setup (score_structure, part_list, voices):
2301 for part_definition in part_list:
2302 part_id = part_definition.id
2303 nv_dict = voices.get (part_id)
2305 error_message (_ ('unknown part in part-list: %s') % part_id)
2308 staves = reduce (lambda x,y: x+ y,
2309 [voice.voicedata._staves.keys ()
2310 for voice in nv_dict.values ()],
2313 if len (staves) > 1:
2315 staves = uniq_list (staves)
2318 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2319 for (voice_name, voice) in nv_dict.items ()
2320 if voice.voicedata._start_staff == s]
2321 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
2323 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2324 for (voice_name, voice) in nv_dict.items ()]
2325 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
2326 score_structure.set_part_information (part_id, staves_info)
2328 # Set global values in the \layout block, like auto-beaming etc.
2329 def update_layout_information ():
2330 if not conversion_settings.ignore_beaming and layout_information:
2331 layout_information.set_context_item ('Score', 'autoBeaming = ##f')
2333 def print_ly_preamble (printer, filename):
2334 printer.dump_version ()
2335 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
2337 def print_ly_additional_definitions (printer, filename):
2338 if needed_additional_definitions:
2340 printer.print_verbatim ('%% additional definitions required by the score:')
2342 for a in set(needed_additional_definitions):
2343 printer.print_verbatim (additional_definitions.get (a, ''))
2347 # Read in the tree from the given I/O object (either file or string) and
2348 # demarshall it using the classes from the musicxml.py file
2349 def read_xml (io_object, use_lxml):
2352 tree = lxml.etree.parse (io_object)
2353 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
2356 from xml.dom import minidom, Node
2357 doc = minidom.parse(io_object)
2358 node = doc.documentElement
2359 return musicxml.minidom_demarshal_node (node)
2363 def read_musicxml (filename, compressed, use_lxml):
2367 progress (_ ("Input is compressed, extracting raw MusicXML data from stdin") )
2368 z = zipfile.ZipFile (sys.stdin)
2370 progress (_ ("Input file %s is compressed, extracting raw MusicXML data") % filename)
2371 z = zipfile.ZipFile (filename, "r")
2372 container_xml = z.read ("META-INF/container.xml")
2373 if not container_xml:
2375 container = read_xml (StringIO.StringIO (container_xml), use_lxml)
2378 rootfiles = container.get_maybe_exist_named_child ('rootfiles')
2381 rootfile_list = rootfiles.get_named_children ('rootfile')
2383 if len (rootfile_list) > 0:
2384 mxml_file = getattr (rootfile_list[0], 'full-path', None)
2386 raw_string = z.read (mxml_file)
2389 io_object = StringIO.StringIO (raw_string)
2390 elif filename == "-":
2391 io_object = sys.stdin
2393 io_object = filename
2395 return read_xml (io_object, use_lxml)
2398 def convert (filename, options):
2400 progress (_ ("Reading MusicXML from Standard input ...") )
2402 progress (_ ("Reading MusicXML from %s ...") % filename)
2404 tree = read_musicxml (filename, options.compressed, options.use_lxml)
2405 score_information = extract_score_information (tree)
2406 paper_information = extract_paper_information (tree)
2408 parts = tree.get_typed_children (musicxml.Part)
2409 (voices, staff_info) = get_all_voices (parts)
2411 score_structure = None
2412 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
2414 score_structure = extract_score_structure (mxl_pl, staff_info)
2415 part_list = mxl_pl.get_named_children ("score-part")
2417 # score information is contained in the <work>, <identification> or <movement-title> tags
2418 update_score_setup (score_structure, part_list, voices)
2419 # After the conversion, update the list of settings for the \layout block
2420 update_layout_information ()
2422 if not options.output_name:
2423 options.output_name = os.path.basename (filename)
2424 options.output_name = os.path.splitext (options.output_name)[0]
2425 elif re.match (".*\.ly", options.output_name):
2426 options.output_name = os.path.splitext (options.output_name)[0]
2429 #defs_ly_name = options.output_name + '-defs.ly'
2430 if (options.output_name == "-"):
2431 output_ly_name = 'Standard output'
2433 output_ly_name = options.output_name + '.ly'
2435 progress (_ ("Output to `%s'") % output_ly_name)
2436 printer = musicexp.Output_printer()
2437 #progress (_ ("Output to `%s'") % defs_ly_name)
2438 if (options.output_name == "-"):
2439 printer.set_file (codecs.getwriter ("utf-8")(sys.stdout))
2441 printer.set_file (codecs.open (output_ly_name, 'wb', encoding='utf-8'))
2442 print_ly_preamble (printer, filename)
2443 print_ly_additional_definitions (printer, filename)
2444 if score_information:
2445 score_information.print_ly (printer)
2446 if paper_information:
2447 paper_information.print_ly (printer)
2448 if layout_information:
2449 layout_information.print_ly (printer)
2450 print_voice_definitions (printer, part_list, voices)
2453 printer.dump ("% The score definition")
2455 score_structure.print_ly (printer)
2460 def get_existing_filename_with_extension (filename, ext):
2461 if os.path.exists (filename):
2463 newfilename = filename + "." + ext
2464 if os.path.exists (newfilename):
2466 newfilename = filename + ext
2467 if os.path.exists (newfilename):
2472 opt_parser = option_parser()
2475 (options, args) = opt_parser.parse_args ()
2477 opt_parser.print_usage()
2480 if options.language:
2481 musicexp.set_pitch_language (options.language)
2482 needed_additional_definitions.append (options.language)
2483 additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
2484 conversion_settings.ignore_beaming = not options.convert_beaming
2486 # Allow the user to leave out the .xml or xml on the filename
2487 if args[0]=="-": # Read from stdin
2490 filename = get_existing_filename_with_extension (args[0], "xml")
2492 filename = get_existing_filename_with_extension (args[0], "mxl")
2493 options.compressed = True
2494 if filename and (filename == "-" or os.path.exists (filename)):
2495 voices = convert (filename, options)
2497 progress (_ ("Unable to find input file %s") % args[0])
2499 if __name__ == '__main__':