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
64 2.20 0.70 0.50 0 361 arc
66 1.45 0.85 0.30 0 180 arc
70 0.92 2.26 1.30 2.40 1.15 1.70 curveto
74 3.42 2.26 3.80 2.40 3.65 1.70 curveto
76 eyeglasses = \markup { \with-dimensions #'(0 . 4.4) #'(0 . 2.5) \postscript #eyeglassesps }"""
79 def round_to_two_digits (val):
80 return round (val * 100) / 100
82 def extract_paper_information (tree):
83 paper = musicexp.Paper ()
84 defaults = tree.get_maybe_exist_named_child ('defaults')
88 scaling = defaults.get_maybe_exist_named_child ('scaling')
90 mm = scaling.get_named_child ('millimeters')
91 mm = string.atof (mm.get_text ())
92 tn = scaling.get_maybe_exist_named_child ('tenths')
93 tn = string.atof (tn.get_text ())
95 paper.global_staff_size = mm * 72.27 / 25.4
96 # We need the scaling (i.e. the size of staff tenths for everything!
100 def from_tenths (txt):
101 return round_to_two_digits (string.atof (txt) * tenths / 10)
102 def set_paper_variable (varname, parent, element_name):
103 el = parent.get_maybe_exist_named_child (element_name)
104 if el: # Convert to cm from tenths
105 setattr (paper, varname, from_tenths (el.get_text ()))
107 pagelayout = defaults.get_maybe_exist_named_child ('page-layout')
109 # TODO: How can one have different margins for even and odd pages???
110 set_paper_variable ("page_height", pagelayout, 'page-height')
111 set_paper_variable ("page_width", pagelayout, 'page-width')
113 pmargins = pagelayout.get_named_children ('page-margins')
115 set_paper_variable ("left_margin", pm, 'left-margin')
116 set_paper_variable ("right_margin", pm, 'right-margin')
117 set_paper_variable ("bottom_margin", pm, 'bottom-margin')
118 set_paper_variable ("top_margin", pm, 'top-margin')
120 systemlayout = defaults.get_maybe_exist_named_child ('system-layout')
122 sl = systemlayout.get_maybe_exist_named_child ('system-margins')
124 set_paper_variable ("system_left_margin", sl, 'left-margin')
125 set_paper_variable ("system_right_margin", sl, 'right-margin')
126 set_paper_variable ("system_distance", systemlayout, 'system-distance')
127 set_paper_variable ("top_system_distance", systemlayout, 'top-system-distance')
129 stafflayout = defaults.get_named_children ('staff-layout')
130 for sl in stafflayout:
131 nr = getattr (sl, 'number', 1)
132 dist = sl.get_named_child ('staff-distance')
133 #TODO: the staff distance needs to be set in the Staff context!!!
135 # TODO: Finish appearance?, music-font?, word-font?, lyric-font*, lyric-language*
136 appearance = defaults.get_named_child ('appearance')
138 lws = appearance.get_named_children ('line-width')
140 # Possible types are: beam, bracket, dashes,
141 # enclosure, ending, extend, heavy barline, leger,
142 # light barline, octave shift, pedal, slur middle, slur tip,
143 # staff, stem, tie middle, tie tip, tuplet bracket, and wedge
145 w = from_tenths (lw.get_text ())
146 # TODO: Do something with these values!
147 nss = appearance.get_named_children ('note-size')
149 # Possible types are: cue, grace and large
151 sz = from_tenths (ns.get_text ())
152 # TODO: Do something with these values!
153 # <other-appearance> elements have no specified meaning
155 rawmusicfont = defaults.get_named_child ('music-font')
157 # TODO: Convert the font
159 rawwordfont = defaults.get_named_child ('word-font')
161 # TODO: Convert the font
163 rawlyricsfonts = defaults.get_named_children ('lyric-font')
164 for lyricsfont in rawlyricsfonts:
165 # TODO: Convert the font
172 # score information is contained in the <work>, <identification> or <movement-title> tags
173 # extract those into a hash, indexed by proper lilypond header attributes
174 def extract_score_information (tree):
175 header = musicexp.Header ()
176 def set_if_exists (field, value):
178 header.set_field (field, musicxml.escape_ly_output_string (value))
180 work = tree.get_maybe_exist_named_child ('work')
182 set_if_exists ('title', work.get_work_title ())
183 set_if_exists ('worknumber', work.get_work_number ())
184 set_if_exists ('opus', work.get_opus ())
186 movement_title = tree.get_maybe_exist_named_child ('movement-title')
188 set_if_exists ('title', movement_title.get_text ())
190 identifications = tree.get_named_children ('identification')
191 for ids in identifications:
192 set_if_exists ('copyright', ids.get_rights ())
193 set_if_exists ('composer', ids.get_composer ())
194 set_if_exists ('arranger', ids.get_arranger ())
195 set_if_exists ('editor', ids.get_editor ())
196 set_if_exists ('poet', ids.get_poet ())
198 set_if_exists ('tagline', ids.get_encoding_software ())
199 set_if_exists ('encodingsoftware', ids.get_encoding_software ())
200 set_if_exists ('encodingdate', ids.get_encoding_date ())
201 set_if_exists ('encoder', ids.get_encoding_person ())
202 set_if_exists ('encodingdescription', ids.get_encoding_description ())
204 # Finally, apply the required compatibility modes
205 # Some applications created wrong MusicXML files, so we need to
206 # apply some compatibility mode, e.g. ignoring some features/tags
208 software = ids.get_encoding_software_list ()
210 # Case 1: "Sibelius 5.1" with the "Dolet 3.4 for Sibelius" plugin
211 # is missing all beam ends => ignore all beaming information
212 if "Dolet 3.4 for Sibelius" in software:
213 conversion_settings.ignore_beaming = True
214 progress (_ ("Encountered file created by Dolet 3.4 for Sibelius, containing wrong beaming information. All beaming information in the MusicXML file will be ignored"))
215 # TODO: Check for other unsupported features
224 return len (self.start) + len (self.end) == 0
225 def add_start (self, g):
226 self.start[getattr (g, 'number', "1")] = g
227 def add_end (self, g):
228 self.end[getattr (g, 'number', "1")] = g
229 def print_ly (self, printer):
230 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
231 def ly_expression (self):
232 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
235 def staff_attributes_to_string_tunings (mxl_attr):
236 details = mxl_attr.get_maybe_exist_named_child ('staff-details')
240 staff_lines = details.get_maybe_exist_named_child ('staff-lines')
242 lines = string.atoi (staff_lines.get_text ())
245 staff_tunings = details.get_named_children ('staff-tuning')
246 for i in staff_tunings:
250 line = string.atoi (i.line) - 1
255 step = i.get_named_child (u'tuning-step')
256 step = step.get_text ().strip ()
257 p.step = musicxml_step_to_lily (step)
259 octave = i.get_named_child (u'tuning-octave')
260 octave = octave.get_text ().strip ()
261 p.octave = int (octave) - 4
263 alter = i.get_named_child (u'tuning-alter')
265 p.alteration = int (alter.get_text ().strip ())
266 # lilypond seems to use the opposite ordering than MusicXML...
272 def staff_attributes_to_lily_staff (mxl_attr):
274 return musicexp.Staff ()
276 (staff_id, attributes) = mxl_attr.items ()[0]
278 # distinguish by clef:
279 # percussion (percussion and rhythmic), tab, and everything else
281 clef = attributes.get_maybe_exist_named_child ('clef')
283 sign = clef.get_maybe_exist_named_child ('sign')
285 clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
288 details = attributes.get_named_children ('staff-details')
290 staff_lines = d.get_maybe_exist_named_child ('staff-lines')
292 lines = string.atoi (staff_lines.get_text ())
295 if clef_sign == "percussion" and lines == 1:
296 staff = musicexp.RhythmicStaff ()
297 elif clef_sign == "percussion":
298 staff = musicexp.DrumStaff ()
299 # staff.drum_style_table = ???
300 elif clef_sign == "tab":
301 staff = musicexp.TabStaff ()
302 staff.string_tunings = staff_attributes_to_string_tunings (attributes)
303 # staff.tablature_format = ???
305 # TODO: Handle case with lines <> 5!
306 staff = musicexp.Staff ()
311 def extract_score_structure (part_list, staffinfo):
312 structure = musicexp.StaffGroup (None)
316 def read_score_part (el):
317 if not isinstance (el, musicxml.Score_part):
319 # Depending on the attributes of the first measure, we create different
320 # types of staves (Staff, RhythmicStaff, DrumStaff, TabStaff, etc.)
321 staff = staff_attributes_to_lily_staff (staffinfo.get (el.id, None))
325 partname = el.get_maybe_exist_named_child ('part-name')
326 # Finale gives unnamed parts the name "MusicXML Part" automatically!
327 if partname and partname.get_text() != "MusicXML Part":
328 staff.instrument_name = partname.get_text ()
329 if el.get_maybe_exist_named_child ('part-abbreviation'):
330 staff.short_instrument_name = el.get_maybe_exist_named_child ('part-abbreviation').get_text ()
331 # TODO: Read in the MIDI device / instrument
334 def read_score_group (el):
335 if not isinstance (el, musicxml.Part_group):
337 group = musicexp.StaffGroup ()
338 if hasattr (el, 'number'):
341 #currentgroups_dict[id] = group
342 #currentgroups.append (id)
343 if el.get_maybe_exist_named_child ('group-name'):
344 group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
345 if el.get_maybe_exist_named_child ('group-abbreviation'):
346 group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
347 if el.get_maybe_exist_named_child ('group-symbol'):
348 group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
349 if el.get_maybe_exist_named_child ('group-barline'):
350 group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
354 parts_groups = part_list.get_all_children ()
356 # the start/end group tags are not necessarily ordered correctly and groups
357 # might even overlap, so we can't go through the children sequentially!
359 # 1) Replace all Score_part objects by their corresponding Staff objects,
360 # also collect all group start/stop points into one PartGroupInfo object
362 group_info = PartGroupInfo ()
363 for el in parts_groups:
364 if isinstance (el, musicxml.Score_part):
365 if not group_info.is_empty ():
366 staves.append (group_info)
367 group_info = PartGroupInfo ()
368 staff = read_score_part (el)
370 staves.append (staff)
371 elif isinstance (el, musicxml.Part_group):
372 if el.type == "start":
373 group_info.add_start (el)
374 elif el.type == "stop":
375 group_info.add_end (el)
376 if not group_info.is_empty ():
377 staves.append (group_info)
379 # 2) Now, detect the groups:
382 while pos < len (staves):
384 if isinstance (el, PartGroupInfo):
386 if len (group_starts) > 0:
387 prev_start = group_starts[-1]
388 elif len (el.end) > 0: # no group to end here
390 if len (el.end) > 0: # closes an existing group
391 ends = el.end.keys ()
392 prev_started = staves[prev_start].start.keys ()
394 intersection = filter(lambda x:x in ends, prev_started)
395 if len (intersection) > 0:
396 grpid = intersection[0]
398 # Close the last started group
399 grpid = staves[prev_start].start.keys () [0]
400 # Find the corresponding closing tag and remove it!
403 while j < len (staves) and not foundclosing:
404 if isinstance (staves[j], PartGroupInfo) and staves[j].end.has_key (grpid):
406 del staves[j].end[grpid]
407 if staves[j].is_empty ():
410 grpobj = staves[prev_start].start[grpid]
411 group = read_score_group (grpobj)
412 # remove the id from both the start and end
413 if el.end.has_key (grpid):
415 del staves[prev_start].start[grpid]
418 # replace the staves with the whole group
419 for j in staves[(prev_start + 1):pos]:
421 j.stafftype = "InnerStaffGroup"
422 group.append_staff (j)
423 del staves[(prev_start + 1):pos]
424 staves.insert (prev_start + 1, group)
425 # reset pos so that we continue at the correct position
427 # remove an empty start group
428 if staves[prev_start].is_empty ():
429 del staves[prev_start]
430 group_starts.remove (prev_start)
432 elif len (el.start) > 0: # starts new part groups
433 group_starts.append (pos)
436 if len (staves) == 1:
439 structure.append_staff (i)
443 def musicxml_duration_to_lily (mxl_note):
444 d = musicexp.Duration ()
445 # if the note has no Type child, then that method spits out a warning and
446 # returns 0, i.e. a whole note
447 d.duration_log = mxl_note.get_duration_log ()
449 d.dots = len (mxl_note.get_typed_children (musicxml.Dot))
450 # Grace notes by specification have duration 0, so no time modification
451 # factor is possible. It even messes up the output with *0/1
452 if not mxl_note.get_maybe_exist_typed_child (musicxml.Grace):
453 d.factor = mxl_note._duration / d.get_length ()
457 def rational_to_lily_duration (rational_len):
458 d = musicexp.Duration ()
460 rational_len.normalize_self ()
461 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)
463 # Duration of the form 1/2^n or 3/2^n can be converted to a simple lilypond duration
464 if (d_log >= 0 and rational_len.numerator() in (1,3,5,7) ):
465 # account for the dots!
466 d.dots = (rational_len.numerator()-1)/2
467 d.duration_log = d_log - d.dots
469 d.duration_log = d_log
470 d.factor = Rational (rational_len.numerator ())
472 error_message (_ ("Encountered rational duration with denominator %s, "
473 "unable to convert to lilypond duration") %
474 rational_len.denominator ())
475 # TODO: Test the above error message
480 def musicxml_partial_to_lily (partial_len):
482 p = musicexp.Partial ()
483 p.partial = rational_to_lily_duration (partial_len)
488 # Detect repeats and alternative endings in the chord event list (music_list)
489 # and convert them to the corresponding musicexp objects, containing nested
491 def group_repeats (music_list):
492 repeat_replaced = True
495 # Walk through the list of expressions, looking for repeat structure
496 # (repeat start/end, corresponding endings). If we find one, try to find the
497 # last event of the repeat, replace the whole structure and start over again.
498 # For nested repeats, as soon as we encounter another starting repeat bar,
499 # treat that one first, and start over for the outer repeat.
500 while repeat_replaced and i < 100:
502 repeat_start = -1 # position of repeat start / end
503 repeat_end = -1 # position of repeat start / end
505 ending_start = -1 # position of current ending start
506 endings = [] # list of already finished endings
508 last = len (music_list) - 1
509 repeat_replaced = False
511 while pos < len (music_list) and not repeat_replaced:
513 repeat_finished = False
514 if isinstance (e, RepeatMarker):
515 if not repeat_times and e.times:
516 repeat_times = e.times
517 if e.direction == -1:
519 repeat_finished = True
525 elif e.direction == 1:
531 elif isinstance (e, EndingMarker):
532 if e.direction == -1:
538 elif e.direction == 1:
541 endings.append ([ending_start, pos])
544 elif not isinstance (e, musicexp.BarLine):
545 # As soon as we encounter an element when repeat start and end
546 # is set and we are not inside an alternative ending,
547 # this whole repeat structure is finished => replace it
548 if repeat_start >= 0 and repeat_end > 0 and ending_start < 0:
549 repeat_finished = True
551 # Finish off all repeats without explicit ending bar (e.g. when
552 # we convert only one page of a multi-page score with repeats)
553 if pos == last and repeat_start >= 0:
554 repeat_finished = True
558 if ending_start >= 0:
559 endings.append ([ending_start, pos])
563 # We found the whole structure replace it!
564 r = musicexp.RepeatedMusic ()
565 if repeat_times <= 0:
567 r.repeat_count = repeat_times
568 # don't erase the first element for "implicit" repeats (i.e. no
569 # starting repeat bars at the very beginning)
570 start = repeat_start+1
571 if repeat_start == music_start:
573 r.set_music (music_list[start:repeat_end])
574 for (start, end) in endings:
575 s = musicexp.SequentialMusic ()
576 s.elements = music_list[start+1:end]
578 del music_list[repeat_start:final_marker+1]
579 music_list.insert (repeat_start, r)
580 repeat_replaced = True
582 # TODO: Implement repeats until the end without explicit ending bar
587 def group_tuplets (music_list, events):
590 """Collect Musics from
591 MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
598 for (ev_chord, tuplet_elt, fraction) in events:
599 while (j < len (music_list)):
600 if music_list[j] == ev_chord:
603 if tuplet_elt.type == 'start':
604 indices.append ((j, None, fraction))
605 elif tuplet_elt.type == 'stop':
606 indices[-1] = (indices[-1][0], j, indices[-1][2])
610 for (i1, i2, frac) in indices:
614 new_list.extend (music_list[last:i1])
615 seq = musicexp.SequentialMusic ()
617 seq.elements = music_list[i1:last]
619 tsm = musicexp.TimeScaledMusic ()
622 tsm.numerator = frac[0]
623 tsm.denominator = frac[1]
625 new_list.append (tsm)
627 new_list.extend (music_list[last:])
631 def musicxml_clef_to_lily (attributes):
632 change = musicexp.ClefChange ()
633 (change.type, change.position, change.octave) = attributes.get_clef_information ()
636 def musicxml_time_to_lily (attributes):
637 (beats, type) = attributes.get_time_signature ()
639 change = musicexp.TimeSignatureChange()
640 change.fraction = (beats, type)
644 def musicxml_key_to_lily (attributes):
645 start_pitch = musicexp.Pitch ()
646 (fifths, mode) = attributes.get_key_signature ()
653 start_pitch.alteration = a
655 error_message (_ ("unknown mode %s, expecting 'major' or 'minor'") % mode)
657 fifth = musicexp.Pitch()
664 for x in range (fifths):
665 start_pitch = start_pitch.transposed (fifth)
667 start_pitch.octave = 0
669 change = musicexp.KeySignatureChange()
671 change.tonic = start_pitch
674 def musicxml_attributes_to_lily (attrs):
677 'clef': musicxml_clef_to_lily,
678 'time': musicxml_time_to_lily,
679 'key': musicxml_key_to_lily
681 for (k, func) in attr_dispatch.items ():
682 children = attrs.get_named_children (k)
684 elts.append (func (attrs))
688 class Marker (musicexp.Music):
692 def print_ly (self, printer):
693 ly.stderr_write (_ ("Encountered unprocessed marker %s\n") % self)
695 def ly_expression (self):
697 class RepeatMarker (Marker):
699 Marker.__init__ (self)
701 class EndingMarker (Marker):
704 # Convert the <barline> element to musicxml.BarLine (for non-standard barlines)
705 # and to RepeatMarker and EndingMarker objects for repeat and
706 # alternatives start/stops
707 def musicxml_barline_to_lily (barline):
708 # retval contains all possible markers in the order:
709 # 0..bw_ending, 1..bw_repeat, 2..barline, 3..fw_repeat, 4..fw_ending
711 bartype_element = barline.get_maybe_exist_named_child ("bar-style")
712 repeat_element = barline.get_maybe_exist_named_child ("repeat")
713 ending_element = barline.get_maybe_exist_named_child ("ending")
717 bartype = bartype_element.get_text ()
719 if repeat_element and hasattr (repeat_element, 'direction'):
720 repeat = RepeatMarker ()
721 repeat.direction = {"forward": -1, "backward": 1}.get (repeat_element.direction, 0)
723 if ( (repeat_element.direction == "forward" and bartype == "heavy-light") or
724 (repeat_element.direction == "backward" and bartype == "light-heavy") ):
726 if hasattr (repeat_element, 'times'):
728 repeat.times = int (repeat_element.times)
731 repeat.event = barline
732 if repeat.direction == -1:
737 if ending_element and hasattr (ending_element, 'type'):
738 ending = EndingMarker ()
739 ending.direction = {"start": -1, "stop": 1, "discontinue": 1}.get (ending_element.type, 0)
740 ending.event = barline
741 if ending.direction == -1:
747 b = musicexp.BarLine ()
751 return retval.values ()
753 spanner_event_dict = {
754 'beam' : musicexp.BeamEvent,
755 'dashes' : musicexp.TextSpannerEvent,
756 'bracket' : musicexp.BracketSpannerEvent,
757 'glissando' : musicexp.GlissandoEvent,
758 'octave-shift' : musicexp.OctaveShiftEvent,
759 'pedal' : musicexp.PedalEvent,
760 'slide' : musicexp.GlissandoEvent,
761 'slur' : musicexp.SlurEvent,
762 'wavy-line' : musicexp.TrillSpanEvent,
763 'wedge' : musicexp.HairpinEvent
765 spanner_type_dict = {
779 def musicxml_spanner_to_lily_event (mxl_event):
782 name = mxl_event.get_name()
783 func = spanner_event_dict.get (name)
787 error_message (_ ('unknown span event %s') % mxl_event)
790 type = mxl_event.get_type ()
791 span_direction = spanner_type_dict.get (type)
792 # really check for None, because some types will be translated to 0, which
793 # would otherwise also lead to the unknown span warning
794 if span_direction != None:
795 ev.span_direction = span_direction
797 error_message (_ ('unknown span type %s for %s') % (type, name))
799 ev.set_span_type (type)
800 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
802 # assign the size, which is used for octave-shift, etc.
803 ev.size = mxl_event.get_size ()
807 def musicxml_direction_to_indicator (direction):
808 return { "above": 1, "upright": 1, "up": 1, "below": -1, "downright": -1, "down": -1, "inverted": -1 }.get (direction, 0)
810 def musicxml_fermata_to_lily_event (mxl_event):
811 ev = musicexp.ArticulationEvent ()
812 txt = mxl_event.get_text ()
813 # The contents of the element defined the shape, possible are normal, angled and square
814 ev.type = { "angled": "shortfermata", "square": "longfermata" }.get (txt, "fermata")
815 if hasattr (mxl_event, 'type'):
816 dir = musicxml_direction_to_indicator (mxl_event.type)
817 if dir and options.convert_directions:
818 ev.force_direction = dir
821 def musicxml_arpeggiate_to_lily_event (mxl_event):
822 ev = musicexp.ArpeggioEvent ()
823 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
826 def musicxml_nonarpeggiate_to_lily_event (mxl_event):
827 ev = musicexp.ArpeggioEvent ()
828 ev.non_arpeggiate = True
829 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
832 def musicxml_tremolo_to_lily_event (mxl_event):
833 ev = musicexp.TremoloEvent ()
834 txt = mxl_event.get_text ()
841 def musicxml_falloff_to_lily_event (mxl_event):
842 ev = musicexp.BendEvent ()
846 def musicxml_doit_to_lily_event (mxl_event):
847 ev = musicexp.BendEvent ()
851 def musicxml_bend_to_lily_event (mxl_event):
852 ev = musicexp.BendEvent ()
853 ev.alter = mxl_event.bend_alter ()
856 def musicxml_caesura_to_lily_event (mxl_event):
857 ev = musicexp.MarkupEvent ()
858 # FIXME: default to straight or curved caesura?
859 ev.contents = "\\musicglyph #\"scripts.caesura.straight\""
860 ev.force_direction = 1
863 def musicxml_fingering_event (mxl_event):
864 ev = musicexp.ShortArticulationEvent ()
865 ev.type = mxl_event.get_text ()
868 def musicxml_snappizzicato_event (mxl_event):
869 needed_additional_definitions.append ("snappizzicato")
870 ev = musicexp.MarkupEvent ()
871 ev.contents = "\\snappizzicato"
874 def musicxml_string_event (mxl_event):
875 ev = musicexp.NoDirectionArticulationEvent ()
876 ev.type = mxl_event.get_text ()
879 def musicxml_accidental_mark (mxl_event):
880 ev = musicexp.MarkupEvent ()
881 contents = { "sharp": "\\sharp",
882 "natural": "\\natural",
884 "double-sharp": "\\doublesharp",
885 "sharp-sharp": "\\sharp\\sharp",
886 "flat-flat": "\\flat\\flat",
887 "flat-flat": "\\doubleflat",
888 "natural-sharp": "\\natural\\sharp",
889 "natural-flat": "\\natural\\flat",
890 "quarter-flat": "\\semiflat",
891 "quarter-sharp": "\\semisharp",
892 "three-quarters-flat": "\\sesquiflat",
893 "three-quarters-sharp": "\\sesquisharp",
894 }.get (mxl_event.get_text ())
896 ev.contents = contents
901 # translate articulations, ornaments and other notations into ArticulationEvents
903 # -) string (ArticulationEvent with that name)
904 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
905 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
906 # TODO: Some translations are missing!
907 articulations_dict = {
908 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
909 "accidental-mark": musicxml_accidental_mark,
910 "bend": musicxml_bend_to_lily_event,
911 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
912 "caesura": musicxml_caesura_to_lily_event,
913 #"delayed-turn": "?",
914 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
915 "doit": musicxml_doit_to_lily_event,
916 #"double-tongue": "?",
917 "down-bow": "downbow",
918 "falloff": musicxml_falloff_to_lily_event,
919 "fingering": musicxml_fingering_event,
923 "harmonic": "flageolet",
925 "inverted-mordent": "prall",
926 "inverted-turn": "reverseturn",
927 "mordent": "mordent",
928 "open-string": "open",
935 "snap-pizzicato": musicxml_snappizzicato_event,
937 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
938 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
939 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
941 "string": musicxml_string_event,
942 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
944 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
945 "thumb-position": "thumb",
948 "tremolo": musicxml_tremolo_to_lily_event,
949 "trill-mark": "trill",
950 #"triple-tongue": "?",
955 articulation_spanners = [ "wavy-line" ]
957 def musicxml_articulation_to_lily_event (mxl_event):
958 # wavy-line elements are treated as trill spanners, not as articulation ornaments
959 if mxl_event.get_name () in articulation_spanners:
960 return musicxml_spanner_to_lily_event (mxl_event)
962 tmp_tp = articulations_dict.get (mxl_event.get_name ())
966 if isinstance (tmp_tp, str):
967 ev = musicexp.ArticulationEvent ()
969 elif isinstance (tmp_tp, tuple):
973 ev = tmp_tp (mxl_event)
975 # Some articulations use the type attribute, other the placement...
977 if hasattr (mxl_event, 'type') and options.convert_directions:
978 dir = musicxml_direction_to_indicator (mxl_event.type)
979 if hasattr (mxl_event, 'placement') and options.convert_directions:
980 dir = musicxml_direction_to_indicator (mxl_event.placement)
982 ev.force_direction = dir
987 def musicxml_dynamics_to_lily_event (dynentry):
988 dynamics_available = (
989 "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf",
990 "f", "ff", "fff", "ffff", "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" )
991 dynamicsname = dynentry.get_name ()
992 if dynamicsname == "other-dynamics":
993 dynamicsname = dynentry.get_text ()
994 if not dynamicsname or dynamicsname=="#text":
997 if not dynamicsname in dynamics_available:
998 # Get rid of - in tag names (illegal in ly tags!)
999 dynamicstext = dynamicsname
1000 dynamicsname = string.replace (dynamicsname, "-", "")
1001 additional_definitions[dynamicsname] = dynamicsname + \
1002 " = #(make-dynamic-script \"" + dynamicstext + "\")"
1003 needed_additional_definitions.append (dynamicsname)
1004 event = musicexp.DynamicsEvent ()
1005 event.type = dynamicsname
1008 # Convert single-color two-byte strings to numbers 0.0 - 1.0
1009 def hexcolorval_to_nr (hex_val):
1011 v = int (hex_val, 16)
1018 def hex_to_color (hex_val):
1019 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])$', hex_val, re.IGNORECASE)
1021 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
1025 def musicxml_words_to_lily_event (words):
1026 event = musicexp.TextEvent ()
1027 text = words.get_text ()
1028 text = re.sub ('^ *\n? *', '', text)
1029 text = re.sub (' *\n? *$', '', text)
1032 if hasattr (words, 'default-y') and options.convert_directions:
1033 offset = getattr (words, 'default-y')
1035 off = string.atoi (offset)
1037 event.force_direction = 1
1039 event.force_direction = -1
1041 event.force_direction = 0
1043 if hasattr (words, 'font-weight'):
1044 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
1046 event.markup += font_weight
1048 if hasattr (words, 'font-size'):
1049 size = getattr (words, 'font-size')
1051 "xx-small": '\\teeny',
1052 "x-small": '\\tiny',
1056 "x-large": '\\huge',
1057 "xx-large": '\\bigger\\huge'
1060 event.markup += font_size
1062 if hasattr (words, 'color'):
1063 color = getattr (words, 'color')
1064 rgb = hex_to_color (color)
1066 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
1068 if hasattr (words, 'font-style'):
1069 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
1071 event.markup += font_style
1073 # TODO: How should I best convert the font-family attribute?
1075 # TODO: How can I represent the underline, overline and line-through
1076 # attributes in Lilypond? Values of these attributes indicate
1077 # the number of lines
1082 # convert accordion-registration to lilypond.
1083 # Since lilypond does not have any built-in commands, we need to create
1084 # the markup commands manually and define our own variables.
1085 # Idea was taken from: http://lsr.dsi.unimi.it/LSR/Item?id=194
1086 def musicxml_accordion_to_markup (mxl_event):
1087 commandname = "accReg"
1090 high = mxl_event.get_maybe_exist_named_child ('accordion-high')
1093 command += """\\combine
1094 \\raise #2.5 \\musicglyph #\"accordion.accDot\"
1096 middle = mxl_event.get_maybe_exist_named_child ('accordion-middle')
1098 # By default, use one dot (when no or invalid content is given). The
1099 # MusicXML spec is quiet about this case...
1102 txt = string.atoi (middle.get_text ())
1106 commandname += "MMM"
1107 command += """\\combine
1108 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1110 \\raise #1.5 \\translate #(cons 1 0) \\musicglyph #\"accordion.accDot\"
1112 \\raise #1.5 \\translate #(cons -1 0) \\musicglyph #\"accordion.accDot\"
1116 command += """\\combine
1117 \\raise #1.5 \\translate #(cons 0.5 0) \\musicglyph #\"accordion.accDot\"
1119 \\raise #1.5 \\translate #(cons -0.5 0) \\musicglyph #\"accordion.accDot\"
1123 command += """\\combine
1124 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1126 low = mxl_event.get_maybe_exist_named_child ('accordion-low')
1129 command += """\\combine
1130 \\raise #0.5 \musicglyph #\"accordion.accDot\"
1133 command += "\musicglyph #\"accordion.accDiscant\""
1134 command = "\\markup { \\normalsize %s }" % command
1135 # Define the newly built command \accReg[H][MMM][L]
1136 additional_definitions[commandname] = "%s = %s" % (commandname, command)
1137 needed_additional_definitions.append (commandname)
1138 return "\\%s" % commandname
1140 def musicxml_accordion_to_ly (mxl_event):
1141 txt = musicxml_accordion_to_markup (mxl_event)
1143 ev = musicexp.MarkEvent (txt)
1148 def musicxml_rehearsal_to_ly_mark (mxl_event):
1149 text = mxl_event.get_text ()
1152 # default is boxed rehearsal marks!
1154 if hasattr (mxl_event, 'enclosure'):
1155 encl = {"none": None, "square": "box", "circle": "circle" }.get (mxl_event.enclosure, None)
1157 text = "\\%s { %s }" % (encl, text)
1158 ev = musicexp.MarkEvent ("\\markup { %s }" % text)
1161 def musicxml_eyeglasses_to_ly (mxl_event):
1162 needed_additional_definitions.append ("eyeglasses")
1163 return musicexp.MarkEvent ("\\eyeglasses")
1165 def next_non_hash_index (lst, pos):
1167 while pos < len (lst) and isinstance (lst[pos], musicxml.Hash_text):
1171 def musicxml_metronome_to_ly (mxl_event):
1172 children = mxl_event.get_all_children ()
1177 index = next_non_hash_index (children, index)
1178 if isinstance (children[index], musicxml.BeatUnit):
1179 # first form of metronome-mark, using unit and beats/min or other unit
1180 ev = musicexp.TempoMark ()
1181 if hasattr (mxl_event, 'parentheses'):
1182 ev.set_parentheses (mxl_event.parentheses == "yes")
1184 d = musicexp.Duration ()
1185 d.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1186 index = next_non_hash_index (children, index)
1187 if isinstance (children[index], musicxml.BeatUnitDot):
1189 index = next_non_hash_index (children, index)
1190 ev.set_base_duration (d)
1191 if isinstance (children[index], musicxml.BeatUnit):
1192 # Form "note = newnote"
1193 newd = musicexp.Duration ()
1194 newd.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1195 index = next_non_hash_index (children, index)
1196 if isinstance (children[index], musicxml.BeatUnitDot):
1198 index = next_non_hash_index (children, index)
1199 ev.set_new_duration (newd)
1200 elif isinstance (children[index], musicxml.PerMinute):
1203 beats = int (children[index].get_text ())
1204 ev.set_beats_per_minute (beats)
1208 error_message (_ ("Unknown metronome mark, ignoring"))
1212 #TODO: Implement the other (more complex) way for tempo marks!
1213 error_message (_ ("Metronome marks with complex relations (<metronome-note> in MusicXML) are not yet implemented."))
1216 # translate directions into Events, possible values:
1217 # -) string (MarkEvent with that command)
1218 # -) function (function(mxl_event) needs to return a full Event-derived object
1219 # -) (class, name) (like string, only that a different class than MarkEvent is used)
1221 'accordion-registration' : musicxml_accordion_to_ly,
1222 'coda' : (musicexp.MusicGlyphMarkEvent, "coda"),
1225 'eyeglasses': musicxml_eyeglasses_to_ly,
1226 # 'harp-pedals' : ???
1228 'metronome' : musicxml_metronome_to_ly,
1229 'rehearsal' : musicxml_rehearsal_to_ly_mark,
1230 # 'scordatura' : ???
1231 'segno' : (musicexp.MusicGlyphMarkEvent, "segno"),
1232 'words' : musicxml_words_to_lily_event,
1234 directions_spanners = [ 'octave-shift', 'pedal', 'wedge', 'dashes', 'bracket' ]
1236 def musicxml_direction_to_lily (n):
1237 # TODO: Handle the <staff> element!
1239 # placement applies to all children!
1241 if hasattr (n, 'placement') and options.convert_directions:
1242 dir = musicxml_direction_to_indicator (n.placement)
1243 dirtype_children = []
1244 # TODO: The direction-type is used for grouping (e.g. dynamics with text),
1245 # so we can't simply flatten them out!
1246 for dt in n.get_typed_children (musicxml.DirType):
1247 dirtype_children += dt.get_all_children ()
1249 for entry in dirtype_children:
1250 # backets, dashes, octave shifts. pedal marks, hairpins etc. are spanners:
1251 if entry.get_name() in directions_spanners:
1252 event = musicxml_spanner_to_lily_event (entry)
1257 # now treat all the "simple" ones, that can be translated using the dict
1259 tmp_tp = directions_dict.get (entry.get_name (), None)
1260 if isinstance (tmp_tp, str): # string means MarkEvent
1261 ev = musicexp.MarkEvent (tmp_tp)
1262 elif isinstance (tmp_tp, tuple): # tuple means (EventClass, "text")
1263 ev = tmp_tp[0] (tmp_tp[1])
1267 # TODO: set the correct direction! Unfortunately, \mark in ly does
1268 # not seem to support directions!
1272 if entry.get_name () == "dynamics":
1273 for dynentry in entry.get_all_children ():
1274 ev = musicxml_dynamics_to_lily_event (dynentry)
1280 def musicxml_frame_to_lily_event (frame):
1281 ev = musicexp.FretEvent ()
1282 ev.strings = frame.get_strings ()
1283 ev.frets = frame.get_frets ()
1284 #offset = frame.get_first_fret () - 1
1286 for fn in frame.get_named_children ('frame-note'):
1287 fret = fn.get_fret ()
1290 el = [ fn.get_string (), fret ]
1291 fingering = fn.get_fingering ()
1293 el.append (fingering)
1294 ev.elements.append (el)
1297 barre[0] = el[0] # start string
1298 barre[2] = el[1] # fret
1300 barre[1] = el[0] # end string
1305 def musicxml_harmony_to_lily (n):
1307 for f in n.get_named_children ('frame'):
1308 ev = musicxml_frame_to_lily_event (f)
1314 def musicxml_chordroot_to_lily (mxl_root):
1315 r = musicexp.ChordRoot ()
1316 r.alteration = mxl_root.get_alteration ()
1317 r.step = musicxml_step_to_lily (mxl_root.get_step ())
1324 'diminished': 'dim',
1327 'major-seventh': 'maj',
1328 'minor-seventh': 'm7',
1329 'diminished-seventh': 'dim7',
1330 'augmented-seventh': 'aug7',
1331 #'half-diminished': '???', (diminished triad, minor seventh)
1332 #'major-minor': '???', (minor triad, major seventh)
1335 'minor-sixth': 'm6',
1337 'dominant-ninth': '9',
1338 'major-ninth': 'maj9',
1339 'minor-ninth': 'm9',
1340 # 11ths (usually as the basis for alteration):
1341 'dominant-11th': '11',
1342 'major-11th': 'maj11',
1343 'minor-11th': 'm11',
1344 # 13ths (usually as the basis for alteration):
1345 'dominant-13th': '13',
1346 'major-13th': 'maj13',
1347 'minor-13th': 'm13',
1349 'suspended-second': 'sus2',
1350 'suspended-fourth': 'sus4',
1351 # Functional sixths:
1352 #'Neapolitan': '???',
1357 #'pedal': '???',(pedal-point bass)
1358 #'power': '???',(perfect fifth)
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_chordroot_to_lily (root)
1377 kind = n.get_maybe_exist_named_child ('kind')
1379 ev.kind = musicxml_chordkind_to_lily (kind.get_text ())
1380 #TODO: convert the user-symbols attribute:
1381 #major: a triangle, like Unicode 25B3
1382 #minor: -, like Unicode 002D
1383 #augmented: +, like Unicode 002B
1384 #diminished: (degree), like Unicode 00B0
1385 #half-diminished: (o with slash), like Unicode 00F8
1386 # TODO: Convert the inversion and bass children
1387 for deg in n.get_named_children ('degree'):
1388 # TODO: Convert the added/removed degrees to lilypond
1395 def musicxml_figured_bass_note_to_lily (n):
1396 res = musicexp.FiguredBassNote ()
1397 suffix_dict = { 'sharp' : "+",
1400 'double-sharp' : "++",
1402 'sharp-sharp' : "++",
1404 prefix = n.get_maybe_exist_named_child ('prefix')
1406 res.set_prefix (suffix_dict.get (prefix.get_text (), ""))
1407 fnumber = n.get_maybe_exist_named_child ('figure-number')
1409 res.set_number (fnumber.get_text ())
1410 suffix = n.get_maybe_exist_named_child ('suffix')
1412 res.set_suffix (suffix_dict.get (suffix.get_text (), ""))
1413 if n.get_maybe_exist_named_child ('extend'):
1414 # TODO: Implement extender lines (unfortunately, in lilypond you have
1415 # to use \set useBassFigureExtenders = ##t, which turns them on
1416 # globally, while MusicXML has a property for each note...
1417 # I'm not sure there is a proper way to implement this cleanly
1424 def musicxml_figured_bass_to_lily (n):
1425 if not isinstance (n, musicxml.FiguredBass):
1427 res = musicexp.FiguredBassEvent ()
1428 for i in n.get_named_children ('figure'):
1429 note = musicxml_figured_bass_note_to_lily (i)
1432 dur = n.get_maybe_exist_named_child ('duration')
1434 # apply the duration to res
1435 length = Rational(int(dur.get_text()), n._divisions)*Rational(1,4)
1436 res.set_real_duration (length)
1437 duration = rational_to_lily_duration (length)
1439 res.set_duration (duration)
1440 if hasattr (n, 'parentheses') and n.parentheses == "yes":
1441 res.set_parentheses (True)
1444 instrument_drumtype_dict = {
1445 'Acoustic Snare Drum': 'acousticsnare',
1446 'Side Stick': 'sidestick',
1447 'Open Triangle': 'opentriangle',
1448 'Mute Triangle': 'mutetriangle',
1449 'Tambourine': 'tambourine',
1450 'Bass Drum': 'bassdrum',
1453 def musicxml_note_to_lily_main_event (n):
1458 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1460 pitch = musicxml_pitch_to_lily (mxl_pitch)
1461 event = musicexp.NoteEvent ()
1464 acc = n.get_maybe_exist_named_child ('accidental')
1466 # let's not force accs everywhere.
1467 event.cautionary = acc.editorial
1469 elif n.get_maybe_exist_typed_child (musicxml.Unpitched):
1470 # Unpitched elements have display-step and can also have
1472 unpitched = n.get_maybe_exist_typed_child (musicxml.Unpitched)
1473 event = musicexp.NoteEvent ()
1474 event.pitch = musicxml_unpitched_to_lily (unpitched)
1476 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1477 # rests can have display-octave and display-step, which are
1478 # treated like an ordinary note pitch
1479 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1480 event = musicexp.RestEvent ()
1481 pitch = musicxml_restdisplay_to_lily (rest)
1484 elif n.instrument_name:
1485 event = musicexp.NoteEvent ()
1486 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1488 event.drum_type = drum_type
1490 n.message (_ ("drum %s type unknown, please add to instrument_drumtype_dict") % n.instrument_name)
1491 event.drum_type = 'acousticsnare'
1494 n.message (_ ("cannot find suitable event"))
1497 event.duration = musicxml_duration_to_lily (n)
1504 def __init__ (self, here, dest):
1508 class LilyPondVoiceBuilder:
1509 def __init__ (self):
1511 self.pending_dynamics = []
1512 self.end_moment = Rational (0)
1513 self.begin_moment = Rational (0)
1514 self.pending_multibar = Rational (0)
1515 self.ignore_skips = False
1516 self.has_relevant_elements = False
1518 def _insert_multibar (self):
1519 r = musicexp.MultiMeasureRest ()
1520 r.duration = musicexp.Duration()
1521 r.duration.duration_log = 0
1522 r.duration.factor = self.pending_multibar
1523 self.elements.append (r)
1524 self.begin_moment = self.end_moment
1525 self.end_moment = self.begin_moment + self.pending_multibar
1526 self.pending_multibar = Rational (0)
1528 def add_multibar_rest (self, duration):
1529 self.pending_multibar += duration
1531 def set_duration (self, duration):
1532 self.end_moment = self.begin_moment + duration
1533 def current_duration (self):
1534 return self.end_moment - self.begin_moment
1536 def add_music (self, music, duration):
1537 assert isinstance (music, musicexp.Music)
1538 if self.pending_multibar > Rational (0):
1539 self._insert_multibar ()
1541 self.has_relevant_elements = True
1542 self.elements.append (music)
1543 self.begin_moment = self.end_moment
1544 self.set_duration (duration)
1546 # Insert all pending dynamics right after the note/rest:
1547 if isinstance (music, musicexp.ChordEvent) and self.pending_dynamics:
1548 for d in self.pending_dynamics:
1550 self.pending_dynamics = []
1552 # Insert some music command that does not affect the position in the measure
1553 def add_command (self, command):
1554 assert isinstance (command, musicexp.Music)
1555 if self.pending_multibar > Rational (0):
1556 self._insert_multibar ()
1557 self.has_relevant_elements = True
1558 self.elements.append (command)
1559 def add_barline (self, barline):
1560 # TODO: Implement merging of default barline and custom bar line
1561 self.add_music (barline, Rational (0))
1562 def add_partial (self, command):
1563 self.ignore_skips = True
1564 self.add_command (command)
1566 def add_dynamics (self, dynamic):
1567 # store the dynamic item(s) until we encounter the next note/rest:
1568 self.pending_dynamics.append (dynamic)
1570 def add_bar_check (self, number):
1571 # re/store has_relevant_elements, so that a barline alone does not
1572 # trigger output for figured bass, chord names
1573 has_relevant = self.has_relevant_elements
1574 b = musicexp.BarLine ()
1575 b.bar_number = number
1576 self.add_barline (b)
1577 self.has_relevant_elements = has_relevant
1579 def jumpto (self, moment):
1580 current_end = self.end_moment + self.pending_multibar
1581 diff = moment - current_end
1583 if diff < Rational (0):
1584 error_message (_ ('Negative skip %s') % diff)
1587 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
1588 skip = musicexp.SkipEvent()
1590 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)
1592 if duration_log > 0: # denominator is a power of 2...
1593 if diff.numerator () == 3:
1597 duration_factor = Rational (diff.numerator ())
1599 # for skips of a whole or more, simply use s1*factor
1601 duration_factor = diff
1602 skip.duration.duration_log = duration_log
1603 skip.duration.factor = duration_factor
1604 skip.duration.dots = duration_dots
1606 evc = musicexp.ChordEvent ()
1607 evc.elements.append (skip)
1608 self.add_music (evc, diff)
1610 if diff > Rational (0) and moment == 0:
1611 self.ignore_skips = False
1613 def last_event_chord (self, starting_at):
1617 # if the position matches, find the last ChordEvent, do not cross a bar line!
1618 at = len( self.elements ) - 1
1620 not isinstance (self.elements[at], musicexp.ChordEvent) and
1621 not isinstance (self.elements[at], musicexp.BarLine)):
1626 and isinstance (self.elements[at], musicexp.ChordEvent)
1627 and self.begin_moment == starting_at):
1628 value = self.elements[at]
1630 self.jumpto (starting_at)
1634 def correct_negative_skip (self, goto):
1635 self.end_moment = goto
1636 self.begin_moment = goto
1637 evc = musicexp.ChordEvent ()
1638 self.elements.append (evc)
1642 def __init__ (self):
1643 self.voicename = None
1644 self.voicedata = None
1645 self.ly_voice = None
1646 self.figured_bass = None
1647 self.chordnames = None
1648 self.lyrics_dict = {}
1649 self.lyrics_order = []
1651 def musicxml_step_to_lily (step):
1653 return (ord (step) - ord ('A') + 7 - 2) % 7
1657 def musicxml_voice_to_lily_voice (voice):
1661 return_value = VoiceData ()
1662 return_value.voicedata = voice
1664 # First pitch needed for relative mode (if selected in command-line options)
1667 # Needed for melismata detection (ignore lyrics on those notes!):
1672 ignore_lyrics = False
1674 current_staff = None
1676 pending_figured_bass = []
1677 pending_chordnames = []
1679 # Make sure that the keys in the dict don't get reordered, since
1680 # we need the correct ordering of the lyrics stanzas! By default,
1681 # a dict will reorder its keys
1682 return_value.lyrics_order = voice.get_lyrics_numbers ()
1683 for k in return_value.lyrics_order:
1686 voice_builder = LilyPondVoiceBuilder ()
1687 figured_bass_builder = LilyPondVoiceBuilder ()
1688 chordnames_builder = LilyPondVoiceBuilder ()
1690 for n in voice._elements:
1691 if n.get_name () == 'forward':
1693 staff = n.get_maybe_exist_named_child ('staff')
1695 staff = staff.get_text ()
1696 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
1697 voice_builder.add_command (musicexp.StaffChange (staff))
1698 current_staff = staff
1700 if isinstance (n, musicxml.Partial) and n.partial > 0:
1701 a = musicxml_partial_to_lily (n.partial)
1703 voice_builder.add_partial (a)
1706 if isinstance (n, musicxml.Direction):
1707 for a in musicxml_direction_to_lily (n):
1708 if a.wait_for_note ():
1709 voice_builder.add_dynamics (a)
1711 voice_builder.add_command (a)
1714 if isinstance (n, musicxml.Harmony):
1715 for a in musicxml_harmony_to_lily (n):
1716 if a.wait_for_note ():
1717 voice_builder.add_dynamics (a)
1719 voice_builder.add_command (a)
1720 for a in musicxml_harmony_to_lily_chordname (n):
1721 pending_chordnames.append (a)
1724 if isinstance (n, musicxml.FiguredBass):
1725 a = musicxml_figured_bass_to_lily (n)
1727 pending_figured_bass.append (a)
1730 is_chord = n.get_maybe_exist_named_child ('chord')
1733 voice_builder.jumpto (n._when)
1734 except NegativeSkip, neg:
1735 voice_builder.correct_negative_skip (n._when)
1736 n.message (_ ("Negative skip found: from %s to %s, difference is %s") % (neg.here, neg.dest, neg.dest - neg.here))
1738 if isinstance (n, musicxml.Attributes):
1739 if n.is_first () and n._measure_position == Rational (0):
1741 number = int (n.get_parent ().number)
1745 voice_builder.add_bar_check (number)
1746 figured_bass_builder.add_bar_check (number)
1747 chordnames_builder.add_bar_check (number)
1749 for a in musicxml_attributes_to_lily (n):
1750 voice_builder.add_command (a)
1753 if isinstance (n, musicxml.Barline):
1754 barlines = musicxml_barline_to_lily (n)
1756 if isinstance (a, musicexp.BarLine):
1757 voice_builder.add_barline (a)
1758 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
1759 voice_builder.add_command (a)
1762 if not n.__class__.__name__ == 'Note':
1763 error_message (_ ('unexpected %s; expected %s or %s or %s') % (n, 'Note', 'Attributes', 'Barline'))
1766 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1768 and rest.is_whole_measure ()):
1770 voice_builder.add_multibar_rest (n._duration)
1773 if n.is_first () and n._measure_position == Rational (0):
1775 num = int (n.get_parent ().number)
1779 voice_builder.add_bar_check (num)
1780 figured_bass_builder.add_bar_check (num)
1781 chordnames_builder.add_bar_check (num)
1783 main_event = musicxml_note_to_lily_main_event (n)
1784 if main_event and not first_pitch:
1785 first_pitch = main_event.pitch
1786 # ignore lyrics for notes inside a slur, tie, chord or beam
1787 ignore_lyrics = inside_slur or is_tied or is_chord or is_beamed
1789 if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
1790 modes_found['drummode'] = True
1792 ev_chord = voice_builder.last_event_chord (n._when)
1794 ev_chord = musicexp.ChordEvent()
1795 voice_builder.add_music (ev_chord, n._duration)
1797 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
1800 if n.get_maybe_exist_typed_child (musicxml.Chord) and ev_chord.grace_elements:
1801 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
1803 grace_chord = musicexp.ChordEvent ()
1804 ev_chord.append_grace (grace_chord)
1805 if hasattr (grace, 'slash'):
1806 # TODO: use grace_type = "appoggiatura" for slurred grace notes
1807 if grace.slash == "yes":
1808 ev_chord.grace_type = "acciaccatura"
1809 # now that we have inserted the chord into the grace music, insert
1810 # everything into that chord instead of the ev_chord
1811 ev_chord = grace_chord
1812 ev_chord.append (main_event)
1813 ignore_lyrics = True
1815 ev_chord.append (main_event)
1816 # When a note/chord has grace notes (duration==0), the duration of the
1817 # event chord is not yet known, but the event chord was already added
1818 # with duration 0. The following correct this when we hit the real note!
1819 if voice_builder.current_duration () == 0 and n._duration > 0:
1820 voice_builder.set_duration (n._duration)
1822 # if we have a figured bass, set its voice builder to the correct position
1823 # and insert the pending figures
1824 if pending_figured_bass:
1826 figured_bass_builder.jumpto (n._when)
1827 except NegativeSkip, neg:
1829 for fb in pending_figured_bass:
1830 # if a duration is given, use that, otherwise the one of the note
1831 dur = fb.real_duration
1833 dur = ev_chord.get_length ()
1834 figured_bass_builder.add_music (fb, dur)
1835 pending_figured_bass = []
1837 if pending_chordnames:
1839 chordnames_builder.jumpto (n._when)
1840 except NegativeSkip, neg:
1842 for cn in pending_chordnames:
1843 # Assign the duration of the EventChord
1844 cn.duration = ev_chord.get_duration ()
1845 chordnames_builder.add_music (cn, ev_chord.get_length ())
1846 pending_chordnames = []
1849 notations_children = n.get_typed_children (musicxml.Notations)
1853 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
1854 # +tied | +slur | +tuplet | glissando | slide |
1855 # ornaments | technical | articulations | dynamics |
1856 # +fermata | arpeggiate | non-arpeggiate |
1857 # accidental-mark | other-notation
1858 for notations in notations_children:
1859 for tuplet_event in notations.get_tuplets():
1860 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1863 frac = mod.get_fraction ()
1865 tuplet_events.append ((ev_chord, tuplet_event, frac))
1867 slurs = [s for s in notations.get_named_children ('slur')
1868 if s.get_type () in ('start','stop')]
1871 error_message (_ ('cannot have two simultaneous slurs'))
1872 # record the slur status for the next note in the loop
1874 if slurs[0].get_type () == 'start':
1876 elif slurs[0].get_type () == 'stop':
1878 lily_ev = musicxml_spanner_to_lily_event (slurs[0])
1879 ev_chord.append (lily_ev)
1882 mxl_tie = notations.get_tie ()
1883 if mxl_tie and mxl_tie.type == 'start':
1884 ev_chord.append (musicexp.TieEvent ())
1889 fermatas = notations.get_named_children ('fermata')
1891 ev = musicxml_fermata_to_lily_event (a)
1893 ev_chord.append (ev)
1895 arpeggiate = notations.get_named_children ('arpeggiate')
1896 for a in arpeggiate:
1897 ev = musicxml_arpeggiate_to_lily_event (a)
1899 ev_chord.append (ev)
1901 arpeggiate = notations.get_named_children ('non-arpeggiate')
1902 for a in arpeggiate:
1903 ev = musicxml_nonarpeggiate_to_lily_event (a)
1905 ev_chord.append (ev)
1907 glissandos = notations.get_named_children ('glissando')
1908 glissandos += notations.get_named_children ('slide')
1909 for a in glissandos:
1910 ev = musicxml_spanner_to_lily_event (a)
1912 ev_chord.append (ev)
1914 # accidental-marks are direct children of <notation>!
1915 for a in notations.get_named_children ('accidental-mark'):
1916 ev = musicxml_articulation_to_lily_event (a)
1918 ev_chord.append (ev)
1920 # Articulations can contain the following child elements:
1921 # accent | strong-accent | staccato | tenuto |
1922 # detached-legato | staccatissimo | spiccato |
1923 # scoop | plop | doit | falloff | breath-mark |
1924 # caesura | stress | unstress
1925 # Technical can contain the following child elements:
1926 # up-bow | down-bow | harmonic | open-string |
1927 # thumb-position | fingering | pluck | double-tongue |
1928 # triple-tongue | stopped | snap-pizzicato | fret |
1929 # string | hammer-on | pull-off | bend | tap | heel |
1930 # toe | fingernails | other-technical
1931 # Ornaments can contain the following child elements:
1932 # trill-mark | turn | delayed-turn | inverted-turn |
1933 # shake | wavy-line | mordent | inverted-mordent |
1934 # schleifer | tremolo | other-ornament, accidental-mark
1935 ornaments = notations.get_named_children ('ornaments')
1936 ornaments += notations.get_named_children ('articulations')
1937 ornaments += notations.get_named_children ('technical')
1940 for ch in a.get_all_children ():
1941 ev = musicxml_articulation_to_lily_event (ch)
1943 ev_chord.append (ev)
1945 dynamics = notations.get_named_children ('dynamics')
1947 for ch in a.get_all_children ():
1948 ev = musicxml_dynamics_to_lily_event (ch)
1950 ev_chord.append (ev)
1953 mxl_beams = [b for b in n.get_named_children ('beam')
1954 if (b.get_type () in ('begin', 'end')
1955 and b.is_primary ())]
1956 if mxl_beams and not conversion_settings.ignore_beaming:
1957 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
1959 ev_chord.append (beam_ev)
1960 if beam_ev.span_direction == -1: # beam and thus melisma starts here
1962 elif beam_ev.span_direction == 1: # beam and thus melisma ends here
1966 mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
1969 frac = mod.get_fraction ()
1971 tuplet_events.append ((ev_chord, tuplet_event, frac))
1973 # Extract the lyrics
1974 if not rest and not ignore_lyrics:
1975 note_lyrics_processed = []
1976 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
1977 for l in note_lyrics_elements:
1978 if l.get_number () < 0:
1979 for k in lyrics.keys ():
1980 lyrics[k].append (l.lyric_to_text ())
1981 note_lyrics_processed.append (k)
1983 lyrics[l.number].append(l.lyric_to_text ())
1984 note_lyrics_processed.append (l.number)
1985 for lnr in lyrics.keys ():
1986 if not lnr in note_lyrics_processed:
1987 lyrics[lnr].append ("\skip4")
1989 ## force trailing mm rests to be written out.
1990 voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
1992 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
1993 ly_voice = group_repeats (ly_voice)
1995 seq_music = musicexp.SequentialMusic ()
1997 if 'drummode' in modes_found.keys ():
1998 ## \key <pitch> barfs in drummode.
1999 ly_voice = [e for e in ly_voice
2000 if not isinstance(e, musicexp.KeySignatureChange)]
2002 seq_music.elements = ly_voice
2003 for k in lyrics.keys ():
2004 return_value.lyrics_dict[k] = musicexp.Lyrics ()
2005 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
2008 if len (modes_found) > 1:
2009 error_message (_ ('cannot simultaneously have more than one mode: %s') % modes_found.keys ())
2011 if options.relative:
2012 v = musicexp.RelativeMusic ()
2013 v.element = seq_music
2014 v.basepitch = first_pitch
2017 return_value.ly_voice = seq_music
2018 for mode in modes_found.keys ():
2019 v = musicexp.ModeChangingMusicWrapper()
2020 v.element = seq_music
2022 return_value.ly_voice = v
2024 # create \figuremode { figured bass elements }
2025 if figured_bass_builder.has_relevant_elements:
2026 fbass_music = musicexp.SequentialMusic ()
2027 fbass_music.elements = figured_bass_builder.elements
2028 v = musicexp.ModeChangingMusicWrapper()
2029 v.mode = 'figuremode'
2030 v.element = fbass_music
2031 return_value.figured_bass = v
2033 # create \chordmode { chords }
2034 if chordnames_builder.has_relevant_elements:
2035 cname_music = musicexp.SequentialMusic ()
2036 cname_music.elements = chordnames_builder.elements
2037 v = musicexp.ModeChangingMusicWrapper()
2038 v.mode = 'chordmode'
2039 v.element = cname_music
2040 return_value.chordnames = v
2044 def musicxml_id_to_lily (id):
2045 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
2046 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
2048 for digit in digits:
2049 d = digits.index (digit)
2050 id = re.sub ('%d' % d, digit, id)
2052 id = re.sub ('[^a-zA-Z]', 'X', id)
2055 def musicxml_pitch_to_lily (mxl_pitch):
2056 p = musicexp.Pitch ()
2057 p.alteration = mxl_pitch.get_alteration ()
2058 p.step = musicxml_step_to_lily (mxl_pitch.get_step ())
2059 p.octave = mxl_pitch.get_octave () - 4
2062 def musicxml_unpitched_to_lily (mxl_unpitched):
2064 step = mxl_unpitched.get_step ()
2066 p = musicexp.Pitch ()
2067 p.step = musicxml_step_to_lily (step)
2068 octave = mxl_unpitched.get_octave ()
2070 p.octave = octave - 4
2073 def musicxml_restdisplay_to_lily (mxl_rest):
2075 step = mxl_rest.get_step ()
2077 p = musicexp.Pitch ()
2078 p.step = musicxml_step_to_lily (step)
2079 octave = mxl_rest.get_octave ()
2081 p.octave = octave - 4
2084 def voices_in_part (part):
2085 """Return a Name -> Voice dictionary for PART"""
2087 part.extract_voices ()
2088 voices = part.get_voices ()
2089 part_info = part.get_staff_attributes ()
2091 return (voices, part_info)
2093 def voices_in_part_in_parts (parts):
2094 """return a Part -> Name -> Voice dictionary"""
2095 return dict([(p.id, voices_in_part (p)) for p in parts])
2098 def get_all_voices (parts):
2099 all_voices = voices_in_part_in_parts (parts)
2102 all_ly_staffinfo = {}
2103 for p, (name_voice, staff_info) in all_voices.items ():
2106 for n, v in name_voice.items ():
2107 progress (_ ("Converting to LilyPond expressions..."))
2108 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
2109 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
2111 all_ly_voices[p] = part_ly_voices
2112 all_ly_staffinfo[p] = staff_info
2114 return (all_ly_voices, all_ly_staffinfo)
2117 def option_parser ():
2118 p = ly.get_option_parser (usage = _ ("musicxml2ly [options] FILE.xml"),
2119 description = _ ("Convert MusicXML from FILE.xml to LilyPond input. If the given filename is -, musicxml2ly reads from the command line.") + "\n",
2120 add_help_option=False)
2122 p.add_option("-h", "--help",
2124 help=_ ("show this help and exit"))
2126 p.version = ('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
2128 _ ("""This program is free software. It is covered by the GNU General Public
2129 License and you are welcome to change it and/or distribute copies of it
2130 under certain conditions. Invoke as `%s --warranty' for more
2131 information.""") % 'lilypond'
2133 Copyright (c) 2005--2008 by
2134 Han-Wen Nienhuys <hanwen@xs4all.nl>,
2135 Jan Nieuwenhuizen <janneke@gnu.org> and
2136 Reinhold Kainhofer <reinhold@kainhofer.com>
2138 p.add_option("--version",
2140 help=_ ("show version number and exit"))
2142 p.add_option ('-v', '--verbose',
2143 action = "store_true",
2145 help = _ ("be verbose"))
2147 p.add_option ('', '--lxml',
2148 action = "store_true",
2151 help = _ ("use lxml.etree; uses less memory and cpu time"))
2153 p.add_option ('-z', '--compressed',
2154 action = "store_true",
2155 dest = 'compressed',
2157 help = _ ("input file is a zip-compressed MusicXML file"))
2159 p.add_option ('-r', '--relative',
2160 action = "store_true",
2163 help = _ ("convert pitches in relative mode (default)"))
2165 p.add_option ('-a', '--absolute',
2166 action = "store_false",
2168 help = _ ("convert pitches in absolute mode"))
2170 p.add_option ('-l', '--language',
2171 metavar = _ ("LANG"),
2173 help = _ ("use a different language file 'LANG.ly' and corresponding pitch names, e.g. 'deutsch' for deutsch.ly"))
2175 p.add_option ('--nd', '--no-articulation-directions',
2176 action = "store_false",
2178 dest = "convert_directions",
2179 help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
2181 p.add_option ('--no-beaming',
2182 action = "store_false",
2184 dest = "convert_beaming",
2185 help = _ ("do not convert beaming information, use lilypond's automatic beaming instead"))
2187 p.add_option ('-o', '--output',
2188 metavar = _ ("FILE"),
2192 dest = 'output_name',
2193 help = _ ("set output filename to FILE, stdout if -"))
2194 p.add_option_group (ly.display_encode (_ ('Bugs')),
2195 description = (_ ("Report bugs via")
2196 + ''' http://post.gmane.org/post.php'''
2197 '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
2200 def music_xml_voice_name_to_lily_name (part_id, name):
2201 str = "Part%sVoice%s" % (part_id, name)
2202 return musicxml_id_to_lily (str)
2204 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
2205 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
2206 return musicxml_id_to_lily (str)
2208 def music_xml_figuredbass_name_to_lily_name (part_id, voicename):
2209 str = "Part%sVoice%sFiguredBass" % (part_id, voicename)
2210 return musicxml_id_to_lily (str)
2212 def music_xml_chordnames_name_to_lily_name (part_id, voicename):
2213 str = "Part%sVoice%sChords" % (part_id, voicename)
2214 return musicxml_id_to_lily (str)
2216 def print_voice_definitions (printer, part_list, voices):
2217 for part in part_list:
2219 nv_dict = voices.get (part_id, {})
2220 for (name, voice) in nv_dict.items ():
2221 k = music_xml_voice_name_to_lily_name (part_id, name)
2222 printer.dump ('%s = ' % k)
2223 voice.ly_voice.print_ly (printer)
2225 if voice.chordnames:
2226 cnname = music_xml_chordnames_name_to_lily_name (part_id, name)
2227 printer.dump ('%s = ' % cnname )
2228 voice.chordnames.print_ly (printer)
2230 for l in voice.lyrics_order:
2231 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
2232 printer.dump ('%s = ' % lname )
2233 voice.lyrics_dict[l].print_ly (printer)
2235 if voice.figured_bass:
2236 fbname = music_xml_figuredbass_name_to_lily_name (part_id, name)
2237 printer.dump ('%s = ' % fbname )
2238 voice.figured_bass.print_ly (printer)
2243 return dict ([(elt,1) for elt in l]).keys ()
2245 # format the information about the staff in the form
2248 # [voiceid1, [lyricsid11, lyricsid12,...], figuredbassid1],
2249 # [voiceid2, [lyricsid21, lyricsid22,...], figuredbassid2],
2253 # raw_voices is of the form [(voicename, lyricsids, havefiguredbass)*]
2254 def format_staff_info (part_id, staff_id, raw_voices):
2256 for (v, lyricsids, figured_bass, chordnames) in raw_voices:
2257 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
2258 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
2260 figured_bass_name = ''
2262 figured_bass_name = music_xml_figuredbass_name_to_lily_name (part_id, v)
2263 chordnames_name = ''
2265 chordnames_name = music_xml_chordnames_name_to_lily_name (part_id, v)
2266 voices.append ([voice_name, voice_lyrics, figured_bass_name, chordnames_name])
2267 return [staff_id, voices]
2269 def update_score_setup (score_structure, part_list, voices):
2271 for part_definition in part_list:
2272 part_id = part_definition.id
2273 nv_dict = voices.get (part_id)
2275 error_message (_ ('unknown part in part-list: %s') % part_id)
2278 staves = reduce (lambda x,y: x+ y,
2279 [voice.voicedata._staves.keys ()
2280 for voice in nv_dict.values ()],
2283 if len (staves) > 1:
2285 staves = uniq_list (staves)
2288 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2289 for (voice_name, voice) in nv_dict.items ()
2290 if voice.voicedata._start_staff == s]
2291 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
2293 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2294 for (voice_name, voice) in nv_dict.items ()]
2295 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
2296 score_structure.set_part_information (part_id, staves_info)
2298 # Set global values in the \layout block, like auto-beaming etc.
2299 def update_layout_information ():
2300 if not conversion_settings.ignore_beaming and layout_information:
2301 layout_information.set_context_item ('Score', 'autoBeaming = ##f')
2303 def print_ly_preamble (printer, filename):
2304 printer.dump_version ()
2305 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
2307 def print_ly_additional_definitions (printer, filename):
2308 if needed_additional_definitions:
2310 printer.print_verbatim ('%% additional definitions required by the score:')
2312 for a in set(needed_additional_definitions):
2313 printer.print_verbatim (additional_definitions.get (a, ''))
2317 # Read in the tree from the given I/O object (either file or string) and
2318 # demarshall it using the classes from the musicxml.py file
2319 def read_xml (io_object, use_lxml):
2322 tree = lxml.etree.parse (io_object)
2323 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
2326 from xml.dom import minidom, Node
2327 doc = minidom.parse(io_object)
2328 node = doc.documentElement
2329 return musicxml.minidom_demarshal_node (node)
2333 def read_musicxml (filename, compressed, use_lxml):
2337 progress (_ ("Input is compressed, extracting raw MusicXML data from stdin") )
2338 z = zipfile.ZipFile (sys.stdin)
2340 progress (_ ("Input file %s is compressed, extracting raw MusicXML data") % filename)
2341 z = zipfile.ZipFile (filename, "r")
2342 container_xml = z.read ("META-INF/container.xml")
2343 if not container_xml:
2345 container = read_xml (StringIO.StringIO (container_xml), use_lxml)
2348 rootfiles = container.get_maybe_exist_named_child ('rootfiles')
2351 rootfile_list = rootfiles.get_named_children ('rootfile')
2353 if len (rootfile_list) > 0:
2354 mxml_file = getattr (rootfile_list[0], 'full-path', None)
2356 raw_string = z.read (mxml_file)
2359 io_object = StringIO.StringIO (raw_string)
2360 elif filename == "-":
2361 io_object = sys.stdin
2363 io_object = filename
2365 return read_xml (io_object, use_lxml)
2368 def convert (filename, options):
2370 progress (_ ("Reading MusicXML from Standard input ...") )
2372 progress (_ ("Reading MusicXML from %s ...") % filename)
2374 tree = read_musicxml (filename, options.compressed, options.use_lxml)
2375 score_information = extract_score_information (tree)
2376 paper_information = extract_paper_information (tree)
2378 parts = tree.get_typed_children (musicxml.Part)
2379 (voices, staff_info) = get_all_voices (parts)
2381 score_structure = None
2382 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
2384 score_structure = extract_score_structure (mxl_pl, staff_info)
2385 part_list = mxl_pl.get_named_children ("score-part")
2387 # score information is contained in the <work>, <identification> or <movement-title> tags
2388 update_score_setup (score_structure, part_list, voices)
2389 # After the conversion, update the list of settings for the \layout block
2390 update_layout_information ()
2392 if not options.output_name:
2393 options.output_name = os.path.basename (filename)
2394 options.output_name = os.path.splitext (options.output_name)[0]
2395 elif re.match (".*\.ly", options.output_name):
2396 options.output_name = os.path.splitext (options.output_name)[0]
2399 #defs_ly_name = options.output_name + '-defs.ly'
2400 if (options.output_name == "-"):
2401 output_ly_name = 'Standard output'
2403 output_ly_name = options.output_name + '.ly'
2405 progress (_ ("Output to `%s'") % output_ly_name)
2406 printer = musicexp.Output_printer()
2407 #progress (_ ("Output to `%s'") % defs_ly_name)
2408 if (options.output_name == "-"):
2409 printer.set_file (codecs.getwriter ("utf-8")(sys.stdout))
2411 printer.set_file (codecs.open (output_ly_name, 'wb', encoding='utf-8'))
2412 print_ly_preamble (printer, filename)
2413 print_ly_additional_definitions (printer, filename)
2414 if score_information:
2415 score_information.print_ly (printer)
2416 if paper_information:
2417 paper_information.print_ly (printer)
2418 if layout_information:
2419 layout_information.print_ly (printer)
2420 print_voice_definitions (printer, part_list, voices)
2423 printer.dump ("% The score definition")
2425 score_structure.print_ly (printer)
2430 def get_existing_filename_with_extension (filename, ext):
2431 if os.path.exists (filename):
2433 newfilename = filename + "." + ext
2434 if os.path.exists (newfilename):
2436 newfilename = filename + ext
2437 if os.path.exists (newfilename):
2442 opt_parser = option_parser()
2445 (options, args) = opt_parser.parse_args ()
2447 opt_parser.print_usage()
2450 if options.language:
2451 musicexp.set_pitch_language (options.language)
2452 needed_additional_definitions.append (options.language)
2453 additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
2454 conversion_settings.ignore_beaming = not options.convert_beaming
2456 # Allow the user to leave out the .xml or xml on the filename
2457 if args[0]=="-": # Read from stdin
2460 filename = get_existing_filename_with_extension (args[0], "xml")
2462 filename = get_existing_filename_with_extension (args[0], "mxl")
2463 options.compressed = True
2464 if filename and (filename == "-" or os.path.exists (filename)):
2465 voices = convert (filename, options)
2467 progress (_ ("Unable to find input file %s") % args[0])
2469 if __name__ == '__main__':