2 # -*- coding: utf-8 -*-
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 = {
48 "snappizzicato": """#(define-markup-command (snappizzicato layout props) ()
49 (interpret-markup layout props
51 (ly:stencil-translate-axis
53 (make-circle-stencil 0.7 0.1 #f)
55 (list 'draw-line 0.1 0 0.1 0 1)
56 '(-0.1 . 0.1) '(0.1 . 1)))
59 "eyeglasses": """eyeglassesps = #"0.15 setlinewidth
65 2.20 0.70 0.50 0 361 arc
67 1.45 0.85 0.30 0 180 arc
71 0.92 2.26 1.30 2.40 1.15 1.70 curveto
75 3.42 2.26 3.80 2.40 3.65 1.70 curveto
77 eyeglasses = \markup { \with-dimensions #'(0 . 4.4) #'(0 . 2.5) \postscript #eyeglassesps }""",
79 "tuplet-note-wrapper": """ % a formatter function, which is simply a wrapper around an existing
80 % tuplet formatter function. It takes the value returned by the given
81 % function and appends a note of given length.
82 #(define-public ((tuplet-number::append-note-wrapper function note) grob)
83 (let* ((txt (if function (function grob) #f)))
85 (markup txt #:fontsize -5 #:note note UP)
86 (markup #:fontsize -5 #:note note UP)
91 "tuplet-non-default-denominator": """#(define ((tuplet-number::non-default-tuplet-denominator-text denominator) grob)
92 (number->string (if denominator
94 (ly:event-property (event-cause grob) 'denominator))))
97 "tuplet-non-default-fraction": """#(define ((tuplet-number::non-default-tuplet-fraction-text denominator numerator) grob)
98 (let* ((ev (event-cause grob))
99 (den (if denominator denominator (ly:event-property ev 'denominator)))
100 (num (if numerator numerator (ly:event-property ev 'numerator))))
101 (format "~a:~a" den num)))
106 def round_to_two_digits (val):
107 return round (val * 100) / 100
109 def extract_paper_information (tree):
110 paper = musicexp.Paper ()
111 defaults = tree.get_maybe_exist_named_child ('defaults')
115 scaling = defaults.get_maybe_exist_named_child ('scaling')
117 mm = scaling.get_named_child ('millimeters')
118 mm = string.atof (mm.get_text ())
119 tn = scaling.get_maybe_exist_named_child ('tenths')
120 tn = string.atof (tn.get_text ())
122 paper.global_staff_size = mm * 72.27 / 25.4
123 # We need the scaling (i.e. the size of staff tenths for everything!
127 def from_tenths (txt):
128 return round_to_two_digits (string.atof (txt) * tenths / 10)
129 def set_paper_variable (varname, parent, element_name):
130 el = parent.get_maybe_exist_named_child (element_name)
131 if el: # Convert to cm from tenths
132 setattr (paper, varname, from_tenths (el.get_text ()))
134 pagelayout = defaults.get_maybe_exist_named_child ('page-layout')
136 # TODO: How can one have different margins for even and odd pages???
137 set_paper_variable ("page_height", pagelayout, 'page-height')
138 set_paper_variable ("page_width", pagelayout, 'page-width')
140 pmargins = pagelayout.get_named_children ('page-margins')
142 set_paper_variable ("left_margin", pm, 'left-margin')
143 set_paper_variable ("right_margin", pm, 'right-margin')
144 set_paper_variable ("bottom_margin", pm, 'bottom-margin')
145 set_paper_variable ("top_margin", pm, 'top-margin')
147 systemlayout = defaults.get_maybe_exist_named_child ('system-layout')
149 sl = systemlayout.get_maybe_exist_named_child ('system-margins')
151 set_paper_variable ("system_left_margin", sl, 'left-margin')
152 set_paper_variable ("system_right_margin", sl, 'right-margin')
153 set_paper_variable ("system_distance", systemlayout, 'system-distance')
154 set_paper_variable ("top_system_distance", systemlayout, 'top-system-distance')
156 stafflayout = defaults.get_named_children ('staff-layout')
157 for sl in stafflayout:
158 nr = getattr (sl, 'number', 1)
159 dist = sl.get_named_child ('staff-distance')
160 #TODO: the staff distance needs to be set in the Staff context!!!
162 # TODO: Finish appearance?, music-font?, word-font?, lyric-font*, lyric-language*
163 appearance = defaults.get_named_child ('appearance')
165 lws = appearance.get_named_children ('line-width')
167 # Possible types are: beam, bracket, dashes,
168 # enclosure, ending, extend, heavy barline, leger,
169 # light barline, octave shift, pedal, slur middle, slur tip,
170 # staff, stem, tie middle, tie tip, tuplet bracket, and wedge
172 w = from_tenths (lw.get_text ())
173 # TODO: Do something with these values!
174 nss = appearance.get_named_children ('note-size')
176 # Possible types are: cue, grace and large
178 sz = from_tenths (ns.get_text ())
179 # TODO: Do something with these values!
180 # <other-appearance> elements have no specified meaning
182 rawmusicfont = defaults.get_named_child ('music-font')
184 # TODO: Convert the font
186 rawwordfont = defaults.get_named_child ('word-font')
188 # TODO: Convert the font
190 rawlyricsfonts = defaults.get_named_children ('lyric-font')
191 for lyricsfont in rawlyricsfonts:
192 # TODO: Convert the font
199 # score information is contained in the <work>, <identification> or <movement-title> tags
200 # extract those into a hash, indexed by proper lilypond header attributes
201 def extract_score_information (tree):
202 header = musicexp.Header ()
203 def set_if_exists (field, value):
205 header.set_field (field, musicxml.escape_ly_output_string (value))
207 work = tree.get_maybe_exist_named_child ('work')
209 set_if_exists ('title', work.get_work_title ())
210 set_if_exists ('worknumber', work.get_work_number ())
211 set_if_exists ('opus', work.get_opus ())
213 movement_title = tree.get_maybe_exist_named_child ('movement-title')
215 set_if_exists ('title', movement_title.get_text ())
217 identifications = tree.get_named_children ('identification')
218 for ids in identifications:
219 set_if_exists ('copyright', ids.get_rights ())
220 set_if_exists ('composer', ids.get_composer ())
221 set_if_exists ('arranger', ids.get_arranger ())
222 set_if_exists ('editor', ids.get_editor ())
223 set_if_exists ('poet', ids.get_poet ())
225 set_if_exists ('tagline', ids.get_encoding_software ())
226 set_if_exists ('encodingsoftware', ids.get_encoding_software ())
227 set_if_exists ('encodingdate', ids.get_encoding_date ())
228 set_if_exists ('encoder', ids.get_encoding_person ())
229 set_if_exists ('encodingdescription', ids.get_encoding_description ())
231 set_if_exists ('texidoc', ids.get_file_description ());
233 # Finally, apply the required compatibility modes
234 # Some applications created wrong MusicXML files, so we need to
235 # apply some compatibility mode, e.g. ignoring some features/tags
237 software = ids.get_encoding_software_list ()
239 # Case 1: "Sibelius 5.1" with the "Dolet 3.4 for Sibelius" plugin
240 # is missing all beam ends => ignore all beaming information
241 if "Dolet 3.4 for Sibelius" in software:
242 conversion_settings.ignore_beaming = True
243 progress (_ ("Encountered file created by Dolet 3.4 for Sibelius, containing wrong beaming information. All beaming information in the MusicXML file will be ignored"))
244 if "Noteworthy Composer" in software:
245 conversion_settings.ignore_beaming = True
246 progress (_ ("Encountered file created by Noteworthy Composer's nwc2xml, containing wrong beaming information. All beaming information in the MusicXML file will be ignored"))
247 # TODO: Check for other unsupported features
256 return len (self.start) + len (self.end) == 0
257 def add_start (self, g):
258 self.start[getattr (g, 'number', "1")] = g
259 def add_end (self, g):
260 self.end[getattr (g, 'number', "1")] = g
261 def print_ly (self, printer):
262 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
263 def ly_expression (self):
264 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
267 def staff_attributes_to_string_tunings (mxl_attr):
268 details = mxl_attr.get_maybe_exist_named_child ('staff-details')
272 staff_lines = details.get_maybe_exist_named_child ('staff-lines')
274 lines = string.atoi (staff_lines.get_text ())
277 staff_tunings = details.get_named_children ('staff-tuning')
278 for i in staff_tunings:
282 line = string.atoi (i.line) - 1
287 step = i.get_named_child (u'tuning-step')
288 step = step.get_text ().strip ()
289 p.step = musicxml_step_to_lily (step)
291 octave = i.get_named_child (u'tuning-octave')
292 octave = octave.get_text ().strip ()
293 p.octave = int (octave) - 4
295 alter = i.get_named_child (u'tuning-alter')
297 p.alteration = int (alter.get_text ().strip ())
298 # lilypond seems to use the opposite ordering than MusicXML...
304 def staff_attributes_to_lily_staff (mxl_attr):
306 return musicexp.Staff ()
308 (staff_id, attributes) = mxl_attr.items ()[0]
310 # distinguish by clef:
311 # percussion (percussion and rhythmic), tab, and everything else
313 clef = attributes.get_maybe_exist_named_child ('clef')
315 sign = clef.get_maybe_exist_named_child ('sign')
317 clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
320 details = attributes.get_named_children ('staff-details')
322 staff_lines = d.get_maybe_exist_named_child ('staff-lines')
324 lines = string.atoi (staff_lines.get_text ())
327 if clef_sign == "percussion" and lines == 1:
328 staff = musicexp.RhythmicStaff ()
329 elif clef_sign == "percussion":
330 staff = musicexp.DrumStaff ()
331 # staff.drum_style_table = ???
332 elif clef_sign == "tab":
333 staff = musicexp.TabStaff ()
334 staff.string_tunings = staff_attributes_to_string_tunings (attributes)
335 # staff.tablature_format = ???
337 # TODO: Handle case with lines <> 5!
338 staff = musicexp.Staff ()
343 def extract_score_structure (part_list, staffinfo):
344 score = musicexp.Score ()
345 structure = musicexp.StaffGroup (None)
346 score.set_contents (structure)
351 def read_score_part (el):
352 if not isinstance (el, musicxml.Score_part):
354 # Depending on the attributes of the first measure, we create different
355 # types of staves (Staff, RhythmicStaff, DrumStaff, TabStaff, etc.)
356 staff = staff_attributes_to_lily_staff (staffinfo.get (el.id, None))
360 partname = el.get_maybe_exist_named_child ('part-name')
361 # Finale gives unnamed parts the name "MusicXML Part" automatically!
362 if partname and partname.get_text() != "MusicXML Part":
363 staff.instrument_name = partname.get_text ()
364 if el.get_maybe_exist_named_child ('part-abbreviation'):
365 staff.short_instrument_name = el.get_maybe_exist_named_child ('part-abbreviation').get_text ()
366 # TODO: Read in the MIDI device / instrument
369 def read_score_group (el):
370 if not isinstance (el, musicxml.Part_group):
372 group = musicexp.StaffGroup ()
373 if hasattr (el, 'number'):
376 #currentgroups_dict[id] = group
377 #currentgroups.append (id)
378 if el.get_maybe_exist_named_child ('group-name'):
379 group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
380 if el.get_maybe_exist_named_child ('group-abbreviation'):
381 group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
382 if el.get_maybe_exist_named_child ('group-symbol'):
383 group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
384 if el.get_maybe_exist_named_child ('group-barline'):
385 group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
389 parts_groups = part_list.get_all_children ()
391 # the start/end group tags are not necessarily ordered correctly and groups
392 # might even overlap, so we can't go through the children sequentially!
394 # 1) Replace all Score_part objects by their corresponding Staff objects,
395 # also collect all group start/stop points into one PartGroupInfo object
397 group_info = PartGroupInfo ()
398 for el in parts_groups:
399 if isinstance (el, musicxml.Score_part):
400 if not group_info.is_empty ():
401 staves.append (group_info)
402 group_info = PartGroupInfo ()
403 staff = read_score_part (el)
405 staves.append (staff)
406 elif isinstance (el, musicxml.Part_group):
407 if el.type == "start":
408 group_info.add_start (el)
409 elif el.type == "stop":
410 group_info.add_end (el)
411 if not group_info.is_empty ():
412 staves.append (group_info)
414 # 2) Now, detect the groups:
417 while pos < len (staves):
419 if isinstance (el, PartGroupInfo):
421 if len (group_starts) > 0:
422 prev_start = group_starts[-1]
423 elif len (el.end) > 0: # no group to end here
425 if len (el.end) > 0: # closes an existing group
426 ends = el.end.keys ()
427 prev_started = staves[prev_start].start.keys ()
429 intersection = filter(lambda x:x in ends, prev_started)
430 if len (intersection) > 0:
431 grpid = intersection[0]
433 # Close the last started group
434 grpid = staves[prev_start].start.keys () [0]
435 # Find the corresponding closing tag and remove it!
438 while j < len (staves) and not foundclosing:
439 if isinstance (staves[j], PartGroupInfo) and staves[j].end.has_key (grpid):
441 del staves[j].end[grpid]
442 if staves[j].is_empty ():
445 grpobj = staves[prev_start].start[grpid]
446 group = read_score_group (grpobj)
447 # remove the id from both the start and end
448 if el.end.has_key (grpid):
450 del staves[prev_start].start[grpid]
453 # replace the staves with the whole group
454 for j in staves[(prev_start + 1):pos]:
455 group.append_staff (j)
456 del staves[(prev_start + 1):pos]
457 staves.insert (prev_start + 1, group)
458 # reset pos so that we continue at the correct position
460 # remove an empty start group
461 if staves[prev_start].is_empty ():
462 del staves[prev_start]
463 group_starts.remove (prev_start)
465 elif len (el.start) > 0: # starts new part groups
466 group_starts.append (pos)
469 if len (staves) == 1:
472 structure.append_staff (i)
476 def musicxml_duration_to_lily (mxl_note):
477 # if the note has no Type child, then that method returns None. In that case,
478 # use the <duration> tag instead. If that doesn't exist, either -> Error
479 dur = mxl_note.get_duration_info ()
481 d = musicexp.Duration ()
482 d.duration_log = dur[0]
484 # Grace notes by specification have duration 0, so no time modification
485 # factor is possible. It even messes up the output with *0/1
486 if not mxl_note.get_maybe_exist_typed_child (musicxml.Grace):
487 d.factor = mxl_note._duration / d.get_length ()
491 if mxl_note._duration > 0:
492 return rational_to_lily_duration (mxl_note._duration)
494 mxl_note.message (_ ("Encountered note at %s without type and duration (=%s)") % (mxl_note.start, mxl_note._duration) )
498 def rational_to_lily_duration (rational_len):
499 d = musicexp.Duration ()
501 rational_len.normalize_self ()
502 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)
504 # Duration of the form 1/2^n or 3/2^n can be converted to a simple lilypond duration
505 if (d_log >= 0 and rational_len.numerator() in (1,3,5,7) ):
506 # account for the dots!
507 d.dots = (rational_len.numerator()-1)/2
508 d.duration_log = d_log - d.dots
510 d.duration_log = d_log
511 d.factor = Rational (rational_len.numerator ())
513 error_message (_ ("Encountered rational duration with denominator %s, "
514 "unable to convert to lilypond duration") %
515 rational_len.denominator ())
516 # TODO: Test the above error message
521 def musicxml_partial_to_lily (partial_len):
523 p = musicexp.Partial ()
524 p.partial = rational_to_lily_duration (partial_len)
529 # Detect repeats and alternative endings in the chord event list (music_list)
530 # and convert them to the corresponding musicexp objects, containing nested
532 def group_repeats (music_list):
533 repeat_replaced = True
536 # Walk through the list of expressions, looking for repeat structure
537 # (repeat start/end, corresponding endings). If we find one, try to find the
538 # last event of the repeat, replace the whole structure and start over again.
539 # For nested repeats, as soon as we encounter another starting repeat bar,
540 # treat that one first, and start over for the outer repeat.
541 while repeat_replaced and i < 100:
543 repeat_start = -1 # position of repeat start / end
544 repeat_end = -1 # position of repeat start / end
546 ending_start = -1 # position of current ending start
547 endings = [] # list of already finished endings
549 last = len (music_list) - 1
550 repeat_replaced = False
552 while pos < len (music_list) and not repeat_replaced:
554 repeat_finished = False
555 if isinstance (e, RepeatMarker):
556 if not repeat_times and e.times:
557 repeat_times = e.times
558 if e.direction == -1:
560 repeat_finished = True
566 elif e.direction == 1:
572 elif isinstance (e, EndingMarker):
573 if e.direction == -1:
579 elif e.direction == 1:
582 endings.append ([ending_start, pos])
585 elif not isinstance (e, musicexp.BarLine):
586 # As soon as we encounter an element when repeat start and end
587 # is set and we are not inside an alternative ending,
588 # this whole repeat structure is finished => replace it
589 if repeat_start >= 0 and repeat_end > 0 and ending_start < 0:
590 repeat_finished = True
592 # Finish off all repeats without explicit ending bar (e.g. when
593 # we convert only one page of a multi-page score with repeats)
594 if pos == last and repeat_start >= 0:
595 repeat_finished = True
599 if ending_start >= 0:
600 endings.append ([ending_start, pos])
604 # We found the whole structure replace it!
605 r = musicexp.RepeatedMusic ()
606 if repeat_times <= 0:
608 r.repeat_count = repeat_times
609 # don't erase the first element for "implicit" repeats (i.e. no
610 # starting repeat bars at the very beginning)
611 start = repeat_start+1
612 if repeat_start == music_start:
614 r.set_music (music_list[start:repeat_end])
615 for (start, end) in endings:
616 s = musicexp.SequentialMusic ()
617 s.elements = music_list[start+1:end]
619 del music_list[repeat_start:final_marker+1]
620 music_list.insert (repeat_start, r)
621 repeat_replaced = True
623 # TODO: Implement repeats until the end without explicit ending bar
627 # Extract the settings for tuplets from the <notations><tuplet> and the
628 # <time-modification> elements of the note:
629 def musicxml_tuplet_to_lily (tuplet_elt, time_modification):
630 tsm = musicexp.TimeScaledMusic ()
632 if time_modification:
633 fraction = time_modification.get_fraction ()
634 tsm.numerator = fraction[0]
635 tsm.denominator = fraction[1]
638 normal_type = tuplet_elt.get_normal_type ()
639 if not normal_type and time_modification:
640 normal_type = time_modification.get_normal_type ()
641 if not normal_type and time_modification:
642 note = time_modification.get_parent ()
644 normal_type = note.get_duration_info ()
646 normal_note = musicexp.Duration ()
647 (normal_note.duration_log, normal_note.dots) = normal_type
648 tsm.normal_type = normal_note
650 actual_type = tuplet_elt.get_actual_type ()
652 actual_note = musicexp.Duration ()
653 (actual_note.duration_log, actual_note.dots) = normal_type
654 tsm.actual_type = actual_note
656 # Obtain non-default nrs of notes from the tuplet object!
657 tsm.display_numerator = tuplet_elt.get_normal_nr ()
658 tsm.display_denominator = tuplet_elt.get_actual_nr ()
661 if hasattr (tuplet_elt, 'bracket') and tuplet_elt.bracket == "no":
662 tsm.display_bracket = None
663 elif hasattr (tuplet_elt, 'line-shape') and getattr (tuplet_elt, 'line-shape') == "curved":
664 tsm.display_bracket = "curved"
666 tsm.display_bracket = "bracket"
668 display_values = {"none": None, "actual": "actual", "both": "both"}
669 if hasattr (tuplet_elt, "show-number"):
670 tsm.display_number = display_values.get (getattr (tuplet_elt, "show-number"), "actual")
671 if tsm.display_number == "actual" and tsm.display_denominator:
672 needed_additional_definitions.append ("tuplet-non-default-denominator")
673 elif tsm.display_number == "both" and (tsm.display_numerator or tsm.display_denominator):
674 needed_additional_definitions.append ("tuplet-non-default-fraction")
676 if hasattr (tuplet_elt, "show-type"):
677 if getattr (tuplet_elt, "show-type") == "actual":
678 needed_additional_definitions.append ("tuplet-note-wrapper")
679 tsm.display_type = display_values.get (getattr (tuplet_elt, "show-type"), None)
684 def group_tuplets (music_list, events):
687 """Collect Musics from
688 MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
696 for (ev_chord, tuplet_elt, time_modification) in events:
697 while (j < len (music_list)):
698 if music_list[j] == ev_chord:
702 if hasattr (tuplet_elt, 'number'):
703 nr = getattr (tuplet_elt, 'number')
704 if tuplet_elt.type == 'start':
705 tuplet_object = musicxml_tuplet_to_lily (tuplet_elt, time_modification)
706 tuplet_info = [j, None, tuplet_object]
707 indices.append (tuplet_info)
708 brackets[nr] = tuplet_info
709 elif tuplet_elt.type == 'stop':
710 bracket_info = brackets.get (nr, None)
712 bracket_info[1] = j # Set the ending position to j
717 for (i1, i2, tsm) in indices:
721 new_list.extend (music_list[last:i1])
722 seq = musicexp.SequentialMusic ()
724 seq.elements = music_list[i1:last]
728 new_list.append (tsm)
730 new_list.extend (music_list[last:])
734 def musicxml_clef_to_lily (attributes):
735 change = musicexp.ClefChange ()
736 (change.type, change.position, change.octave) = attributes.get_clef_information ()
739 def musicxml_time_to_lily (attributes):
740 sig = attributes.get_time_signature ()
743 change = musicexp.TimeSignatureChange()
744 change.fractions = sig
746 time_elm = attributes.get_maybe_exist_named_child ('time')
747 if time_elm and hasattr (time_elm, 'symbol'):
748 change.style = { 'single-number': "'single-digit",
751 'normal': "'()"}.get (time_elm.symbol, "'()")
755 # TODO: Handle senza-misura measures
756 # TODO: Handle hidden time signatures (print-object="no")
757 # TODO: What shall we do if the symbol clashes with the sig? e.g. "cut"
758 # with 3/8 or "single-number" with (2+3)/8 or 3/8+2/4?
762 def musicxml_key_to_lily (attributes):
763 start_pitch = musicexp.Pitch ()
764 (fifths, mode) = attributes.get_key_signature ()
778 start_pitch.alteration = a
780 error_message (_ ("unknown mode %s, expecting 'major' or 'minor'") % mode)
782 fifth = musicexp.Pitch()
789 for x in range (fifths):
790 start_pitch = start_pitch.transposed (fifth)
792 start_pitch.octave = 0
794 change = musicexp.KeySignatureChange()
796 change.tonic = start_pitch
799 def musicxml_transpose_to_lily (attributes):
800 transpose = attributes.get_transposition ()
804 shift = musicexp.Pitch ()
805 octave_change = transpose.get_maybe_exist_named_child ('octave-change')
807 shift.octave = string.atoi (octave_change.get_text ())
808 chromatic_shift = string.atoi (transpose.get_named_child ('chromatic').get_text ())
809 chromatic_shift_normalized = chromatic_shift % 12;
810 (shift.step, shift.alteration) = [
811 (0,0), (0,1), (1,0), (2,-1), (2,0),
812 (3,0), (3,1), (4,0), (5,-1), (5,0),
813 (6,-1), (6,0)][chromatic_shift_normalized];
815 shift.octave += (chromatic_shift - chromatic_shift_normalized) / 12
817 diatonic = transpose.get_maybe_exist_named_child ('diatonic')
819 diatonic_step = string.atoi (diatonic.get_text ()) % 7
820 if diatonic_step != shift.step:
821 # We got the alter incorrect!
822 old_semitones = shift.semitones ()
823 shift.step = diatonic_step
824 new_semitones = shift.semitones ()
825 shift.alteration += old_semitones - new_semitones
827 transposition = musicexp.Transposition ()
828 transposition.pitch = musicexp.Pitch ().transposed (shift)
832 def musicxml_attributes_to_lily (attrs):
835 'clef': musicxml_clef_to_lily,
836 'time': musicxml_time_to_lily,
837 'key': musicxml_key_to_lily,
838 'transpose': musicxml_transpose_to_lily,
840 for (k, func) in attr_dispatch.items ():
841 children = attrs.get_named_children (k)
849 class Marker (musicexp.Music):
853 def print_ly (self, printer):
854 ly.stderr_write (_ ("Encountered unprocessed marker %s\n") % self)
856 def ly_expression (self):
858 class RepeatMarker (Marker):
860 Marker.__init__ (self)
862 class EndingMarker (Marker):
865 # Convert the <barline> element to musicxml.BarLine (for non-standard barlines)
866 # and to RepeatMarker and EndingMarker objects for repeat and
867 # alternatives start/stops
868 def musicxml_barline_to_lily (barline):
869 # retval contains all possible markers in the order:
870 # 0..bw_ending, 1..bw_repeat, 2..barline, 3..fw_repeat, 4..fw_ending
872 bartype_element = barline.get_maybe_exist_named_child ("bar-style")
873 repeat_element = barline.get_maybe_exist_named_child ("repeat")
874 ending_element = barline.get_maybe_exist_named_child ("ending")
878 bartype = bartype_element.get_text ()
880 if repeat_element and hasattr (repeat_element, 'direction'):
881 repeat = RepeatMarker ()
882 repeat.direction = {"forward": -1, "backward": 1}.get (repeat_element.direction, 0)
884 if ( (repeat_element.direction == "forward" and bartype == "heavy-light") or
885 (repeat_element.direction == "backward" and bartype == "light-heavy") ):
887 if hasattr (repeat_element, 'times'):
889 repeat.times = int (repeat_element.times)
892 repeat.event = barline
893 if repeat.direction == -1:
898 if ending_element and hasattr (ending_element, 'type'):
899 ending = EndingMarker ()
900 ending.direction = {"start": -1, "stop": 1, "discontinue": 1}.get (ending_element.type, 0)
901 ending.event = barline
902 if ending.direction == -1:
908 b = musicexp.BarLine ()
912 return retval.values ()
914 spanner_event_dict = {
915 'beam' : musicexp.BeamEvent,
916 'dashes' : musicexp.TextSpannerEvent,
917 'bracket' : musicexp.BracketSpannerEvent,
918 'glissando' : musicexp.GlissandoEvent,
919 'octave-shift' : musicexp.OctaveShiftEvent,
920 'pedal' : musicexp.PedalEvent,
921 'slide' : musicexp.GlissandoEvent,
922 'slur' : musicexp.SlurEvent,
923 'wavy-line' : musicexp.TrillSpanEvent,
924 'wedge' : musicexp.HairpinEvent
926 spanner_type_dict = {
940 def musicxml_spanner_to_lily_event (mxl_event):
943 name = mxl_event.get_name()
944 func = spanner_event_dict.get (name)
948 error_message (_ ('unknown span event %s') % mxl_event)
951 type = mxl_event.get_type ()
952 span_direction = spanner_type_dict.get (type)
953 # really check for None, because some types will be translated to 0, which
954 # would otherwise also lead to the unknown span warning
955 if span_direction != None:
956 ev.span_direction = span_direction
958 error_message (_ ('unknown span type %s for %s') % (type, name))
960 ev.set_span_type (type)
961 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
963 # assign the size, which is used for octave-shift, etc.
964 ev.size = mxl_event.get_size ()
968 def musicxml_direction_to_indicator (direction):
969 return { "above": 1, "upright": 1, "up": 1, "below": -1, "downright": -1, "down": -1, "inverted": -1 }.get (direction, 0)
971 def musicxml_fermata_to_lily_event (mxl_event):
972 ev = musicexp.ArticulationEvent ()
973 txt = mxl_event.get_text ()
974 # The contents of the element defined the shape, possible are normal, angled and square
975 ev.type = { "angled": "shortfermata", "square": "longfermata" }.get (txt, "fermata")
976 if hasattr (mxl_event, 'type'):
977 dir = musicxml_direction_to_indicator (mxl_event.type)
978 if dir and options.convert_directions:
979 ev.force_direction = dir
982 def musicxml_arpeggiate_to_lily_event (mxl_event):
983 ev = musicexp.ArpeggioEvent ()
984 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
987 def musicxml_nonarpeggiate_to_lily_event (mxl_event):
988 ev = musicexp.ArpeggioEvent ()
989 ev.non_arpeggiate = True
990 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
993 def musicxml_tremolo_to_lily_event (mxl_event):
994 ev = musicexp.TremoloEvent ()
995 txt = mxl_event.get_text ()
1002 def musicxml_falloff_to_lily_event (mxl_event):
1003 ev = musicexp.BendEvent ()
1007 def musicxml_doit_to_lily_event (mxl_event):
1008 ev = musicexp.BendEvent ()
1012 def musicxml_bend_to_lily_event (mxl_event):
1013 ev = musicexp.BendEvent ()
1014 ev.alter = mxl_event.bend_alter ()
1017 def musicxml_caesura_to_lily_event (mxl_event):
1018 ev = musicexp.MarkupEvent ()
1019 # FIXME: default to straight or curved caesura?
1020 ev.contents = "\\musicglyph #\"scripts.caesura.straight\""
1021 ev.force_direction = 1
1024 def musicxml_fingering_event (mxl_event):
1025 ev = musicexp.ShortArticulationEvent ()
1026 ev.type = mxl_event.get_text ()
1029 def musicxml_snappizzicato_event (mxl_event):
1030 needed_additional_definitions.append ("snappizzicato")
1031 ev = musicexp.MarkupEvent ()
1032 ev.contents = "\\snappizzicato"
1035 def musicxml_string_event (mxl_event):
1036 ev = musicexp.NoDirectionArticulationEvent ()
1037 ev.type = mxl_event.get_text ()
1040 def musicxml_accidental_mark (mxl_event):
1041 ev = musicexp.MarkupEvent ()
1042 contents = { "sharp": "\\sharp",
1043 "natural": "\\natural",
1045 "double-sharp": "\\doublesharp",
1046 "sharp-sharp": "\\sharp\\sharp",
1047 "flat-flat": "\\flat\\flat",
1048 "flat-flat": "\\doubleflat",
1049 "natural-sharp": "\\natural\\sharp",
1050 "natural-flat": "\\natural\\flat",
1051 "quarter-flat": "\\semiflat",
1052 "quarter-sharp": "\\semisharp",
1053 "three-quarters-flat": "\\sesquiflat",
1054 "three-quarters-sharp": "\\sesquisharp",
1055 }.get (mxl_event.get_text ())
1057 ev.contents = contents
1062 # translate articulations, ornaments and other notations into ArticulationEvents
1064 # -) string (ArticulationEvent with that name)
1065 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
1066 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
1067 # TODO: Some translations are missing!
1068 articulations_dict = {
1069 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
1070 "accidental-mark": musicxml_accidental_mark,
1071 "bend": musicxml_bend_to_lily_event,
1072 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
1073 "caesura": musicxml_caesura_to_lily_event,
1074 #"delayed-turn": "?",
1075 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
1076 "doit": musicxml_doit_to_lily_event,
1077 #"double-tongue": "?",
1078 "down-bow": "downbow",
1079 "falloff": musicxml_falloff_to_lily_event,
1080 "fingering": musicxml_fingering_event,
1081 #"fingernails": "?",
1084 "harmonic": "flageolet",
1086 "inverted-mordent": "prall",
1087 "inverted-turn": "reverseturn",
1088 "mordent": "mordent",
1089 "open-string": "open",
1096 "snap-pizzicato": musicxml_snappizzicato_event,
1098 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
1099 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
1100 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
1102 "string": musicxml_string_event,
1103 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
1105 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
1106 "thumb-position": "thumb",
1109 "tremolo": musicxml_tremolo_to_lily_event,
1110 "trill-mark": "trill",
1111 #"triple-tongue": "?",
1116 articulation_spanners = [ "wavy-line" ]
1118 def musicxml_articulation_to_lily_event (mxl_event):
1119 # wavy-line elements are treated as trill spanners, not as articulation ornaments
1120 if mxl_event.get_name () in articulation_spanners:
1121 return musicxml_spanner_to_lily_event (mxl_event)
1123 tmp_tp = articulations_dict.get (mxl_event.get_name ())
1127 if isinstance (tmp_tp, str):
1128 ev = musicexp.ArticulationEvent ()
1130 elif isinstance (tmp_tp, tuple):
1134 ev = tmp_tp (mxl_event)
1136 # Some articulations use the type attribute, other the placement...
1138 if hasattr (mxl_event, 'type') and options.convert_directions:
1139 dir = musicxml_direction_to_indicator (mxl_event.type)
1140 if hasattr (mxl_event, 'placement') and options.convert_directions:
1141 dir = musicxml_direction_to_indicator (mxl_event.placement)
1143 ev.force_direction = dir
1148 def musicxml_dynamics_to_lily_event (dynentry):
1149 dynamics_available = (
1150 "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf",
1151 "f", "ff", "fff", "ffff", "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" )
1152 dynamicsname = dynentry.get_name ()
1153 if dynamicsname == "other-dynamics":
1154 dynamicsname = dynentry.get_text ()
1155 if not dynamicsname or dynamicsname=="#text":
1158 if not dynamicsname in dynamics_available:
1159 # Get rid of - in tag names (illegal in ly tags!)
1160 dynamicstext = dynamicsname
1161 dynamicsname = string.replace (dynamicsname, "-", "")
1162 additional_definitions[dynamicsname] = dynamicsname + \
1163 " = #(make-dynamic-script \"" + dynamicstext + "\")"
1164 needed_additional_definitions.append (dynamicsname)
1165 event = musicexp.DynamicsEvent ()
1166 event.type = dynamicsname
1169 # Convert single-color two-byte strings to numbers 0.0 - 1.0
1170 def hexcolorval_to_nr (hex_val):
1172 v = int (hex_val, 16)
1179 def hex_to_color (hex_val):
1180 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])$', hex_val, re.IGNORECASE)
1182 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
1186 def musicxml_words_to_lily_event (words):
1187 event = musicexp.TextEvent ()
1188 text = words.get_text ()
1189 text = re.sub ('^ *\n? *', '', text)
1190 text = re.sub (' *\n? *$', '', text)
1193 if hasattr (words, 'default-y') and options.convert_directions:
1194 offset = getattr (words, 'default-y')
1196 off = string.atoi (offset)
1198 event.force_direction = 1
1200 event.force_direction = -1
1202 event.force_direction = 0
1204 if hasattr (words, 'font-weight'):
1205 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
1207 event.markup += font_weight
1209 if hasattr (words, 'font-size'):
1210 size = getattr (words, 'font-size')
1212 "xx-small": '\\teeny',
1213 "x-small": '\\tiny',
1217 "x-large": '\\huge',
1218 "xx-large": '\\larger\\huge'
1221 event.markup += font_size
1223 if hasattr (words, 'color'):
1224 color = getattr (words, 'color')
1225 rgb = hex_to_color (color)
1227 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
1229 if hasattr (words, 'font-style'):
1230 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
1232 event.markup += font_style
1234 # TODO: How should I best convert the font-family attribute?
1236 # TODO: How can I represent the underline, overline and line-through
1237 # attributes in Lilypond? Values of these attributes indicate
1238 # the number of lines
1243 # convert accordion-registration to lilypond.
1244 # Since lilypond does not have any built-in commands, we need to create
1245 # the markup commands manually and define our own variables.
1246 # Idea was taken from: http://lsr.dsi.unimi.it/LSR/Item?id=194
1247 def musicxml_accordion_to_markup (mxl_event):
1248 commandname = "accReg"
1251 high = mxl_event.get_maybe_exist_named_child ('accordion-high')
1254 command += """\\combine
1255 \\raise #2.5 \\musicglyph #\"accordion.accDot\"
1257 middle = mxl_event.get_maybe_exist_named_child ('accordion-middle')
1259 # By default, use one dot (when no or invalid content is given). The
1260 # MusicXML spec is quiet about this case...
1263 txt = string.atoi (middle.get_text ())
1267 commandname += "MMM"
1268 command += """\\combine
1269 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1271 \\raise #1.5 \\translate #(cons 1 0) \\musicglyph #\"accordion.accDot\"
1273 \\raise #1.5 \\translate #(cons -1 0) \\musicglyph #\"accordion.accDot\"
1277 command += """\\combine
1278 \\raise #1.5 \\translate #(cons 0.5 0) \\musicglyph #\"accordion.accDot\"
1280 \\raise #1.5 \\translate #(cons -0.5 0) \\musicglyph #\"accordion.accDot\"
1284 command += """\\combine
1285 \\raise #1.5 \\musicglyph #\"accordion.accDot\"
1287 low = mxl_event.get_maybe_exist_named_child ('accordion-low')
1290 command += """\\combine
1291 \\raise #0.5 \musicglyph #\"accordion.accDot\"
1294 command += "\musicglyph #\"accordion.accDiscant\""
1295 command = "\\markup { \\normalsize %s }" % command
1296 # Define the newly built command \accReg[H][MMM][L]
1297 additional_definitions[commandname] = "%s = %s" % (commandname, command)
1298 needed_additional_definitions.append (commandname)
1299 return "\\%s" % commandname
1301 def musicxml_accordion_to_ly (mxl_event):
1302 txt = musicxml_accordion_to_markup (mxl_event)
1304 ev = musicexp.MarkEvent (txt)
1309 def musicxml_rehearsal_to_ly_mark (mxl_event):
1310 text = mxl_event.get_text ()
1313 # default is boxed rehearsal marks!
1315 if hasattr (mxl_event, 'enclosure'):
1316 encl = {"none": None, "square": "box", "circle": "circle" }.get (mxl_event.enclosure, None)
1318 text = "\\%s { %s }" % (encl, text)
1319 ev = musicexp.MarkEvent ("\\markup { %s }" % text)
1322 def musicxml_harp_pedals_to_ly (mxl_event):
1324 result = "\\harp-pedal #\""
1325 for t in mxl_event.get_named_children ('pedal-tuning'):
1326 alter = t.get_named_child ('pedal-alter')
1328 val = int (alter.get_text ().strip ())
1329 result += {1: "v", 0: "-", -1: "^"}.get (val, "")
1333 ev = musicexp.MarkupEvent ()
1334 ev.contents = result + "\""
1337 def musicxml_eyeglasses_to_ly (mxl_event):
1338 needed_additional_definitions.append ("eyeglasses")
1339 return musicexp.MarkEvent ("\\eyeglasses")
1341 def next_non_hash_index (lst, pos):
1343 while pos < len (lst) and isinstance (lst[pos], musicxml.Hash_text):
1347 def musicxml_metronome_to_ly (mxl_event):
1348 children = mxl_event.get_all_children ()
1353 index = next_non_hash_index (children, index)
1354 if isinstance (children[index], musicxml.BeatUnit):
1355 # first form of metronome-mark, using unit and beats/min or other unit
1356 ev = musicexp.TempoMark ()
1357 if hasattr (mxl_event, 'parentheses'):
1358 ev.set_parentheses (mxl_event.parentheses == "yes")
1360 d = musicexp.Duration ()
1361 d.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1362 index = next_non_hash_index (children, index)
1363 if isinstance (children[index], musicxml.BeatUnitDot):
1365 index = next_non_hash_index (children, index)
1366 ev.set_base_duration (d)
1367 if isinstance (children[index], musicxml.BeatUnit):
1368 # Form "note = newnote"
1369 newd = musicexp.Duration ()
1370 newd.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1371 index = next_non_hash_index (children, index)
1372 if isinstance (children[index], musicxml.BeatUnitDot):
1374 index = next_non_hash_index (children, index)
1375 ev.set_new_duration (newd)
1376 elif isinstance (children[index], musicxml.PerMinute):
1379 beats = int (children[index].get_text ())
1380 ev.set_beats_per_minute (beats)
1384 error_message (_ ("Unknown metronome mark, ignoring"))
1388 #TODO: Implement the other (more complex) way for tempo marks!
1389 error_message (_ ("Metronome marks with complex relations (<metronome-note> in MusicXML) are not yet implemented."))
1392 # translate directions into Events, possible values:
1393 # -) string (MarkEvent with that command)
1394 # -) function (function(mxl_event) needs to return a full Event-derived object
1395 # -) (class, name) (like string, only that a different class than MarkEvent is used)
1397 'accordion-registration' : musicxml_accordion_to_ly,
1398 'coda' : (musicexp.MusicGlyphMarkEvent, "coda"),
1401 'eyeglasses': musicxml_eyeglasses_to_ly,
1402 'harp-pedals' : musicxml_harp_pedals_to_ly,
1404 'metronome' : musicxml_metronome_to_ly,
1405 'rehearsal' : musicxml_rehearsal_to_ly_mark,
1406 # 'scordatura' : ???
1407 'segno' : (musicexp.MusicGlyphMarkEvent, "segno"),
1408 'words' : musicxml_words_to_lily_event,
1410 directions_spanners = [ 'octave-shift', 'pedal', 'wedge', 'dashes', 'bracket' ]
1412 def musicxml_direction_to_lily (n):
1413 # TODO: Handle the <staff> element!
1415 # placement applies to all children!
1417 if hasattr (n, 'placement') and options.convert_directions:
1418 dir = musicxml_direction_to_indicator (n.placement)
1419 dirtype_children = []
1420 # TODO: The direction-type is used for grouping (e.g. dynamics with text),
1421 # so we can't simply flatten them out!
1422 for dt in n.get_typed_children (musicxml.DirType):
1423 dirtype_children += dt.get_all_children ()
1425 for entry in dirtype_children:
1426 # backets, dashes, octave shifts. pedal marks, hairpins etc. are spanners:
1427 if entry.get_name() in directions_spanners:
1428 event = musicxml_spanner_to_lily_event (entry)
1433 # now treat all the "simple" ones, that can be translated using the dict
1435 tmp_tp = directions_dict.get (entry.get_name (), None)
1436 if isinstance (tmp_tp, str): # string means MarkEvent
1437 ev = musicexp.MarkEvent (tmp_tp)
1438 elif isinstance (tmp_tp, tuple): # tuple means (EventClass, "text")
1439 ev = tmp_tp[0] (tmp_tp[1])
1443 # TODO: set the correct direction! Unfortunately, \mark in ly does
1444 # not seem to support directions!
1448 if entry.get_name () == "dynamics":
1449 for dynentry in entry.get_all_children ():
1450 ev = musicxml_dynamics_to_lily_event (dynentry)
1456 def musicxml_frame_to_lily_event (frame):
1457 ev = musicexp.FretEvent ()
1458 ev.strings = frame.get_strings ()
1459 ev.frets = frame.get_frets ()
1460 #offset = frame.get_first_fret () - 1
1462 for fn in frame.get_named_children ('frame-note'):
1463 fret = fn.get_fret ()
1466 el = [ fn.get_string (), fret ]
1467 fingering = fn.get_fingering ()
1469 el.append (fingering)
1470 ev.elements.append (el)
1473 barre[0] = el[0] # start string
1474 barre[2] = el[1] # fret
1476 barre[1] = el[0] # end string
1481 def musicxml_harmony_to_lily (n):
1483 for f in n.get_named_children ('frame'):
1484 ev = musicxml_frame_to_lily_event (f)
1490 notehead_styles_dict = {
1492 'triangle': '\'triangle',
1493 'diamond': '\'diamond',
1494 'square': '\'la', # TODO: Proper squared note head
1495 'cross': None, # TODO: + shaped note head
1497 'circle-x': '\'xcircle',
1498 'inverted triangle': None, # TODO: Implement
1499 'arrow down': None, # TODO: Implement
1500 'arrow up': None, # TODO: Implement
1501 'slashed': None, # TODO: Implement
1502 'back slashed': None, # TODO: Implement
1504 'cluster': None, # TODO: Implement
1515 def musicxml_notehead_to_lily (nh):
1519 style = notehead_styles_dict.get (nh.get_text ().strip (), None)
1520 style_elm = musicexp.NotestyleEvent ()
1522 style_elm.style = style
1523 if hasattr (nh, 'filled'):
1524 style_elm.filled = (getattr (nh, 'filled') == "yes")
1525 if style_elm.style or (style_elm.filled != None):
1526 styles.append (style_elm)
1529 if hasattr (nh, 'parentheses') and (nh.parentheses == "yes"):
1530 styles.append (musicexp.ParenthesizeEvent ())
1534 def musicxml_chordpitch_to_lily (mxl_cpitch):
1535 r = musicexp.ChordPitch ()
1536 r.alteration = mxl_cpitch.get_alteration ()
1537 r.step = musicxml_step_to_lily (mxl_cpitch.get_step ())
1543 'augmented': 'aug5',
1544 'diminished': 'dim5',
1547 'major-seventh': 'maj7',
1548 'minor-seventh': 'm7',
1549 'diminished-seventh': 'dim7',
1550 'augmented-seventh': 'aug7',
1551 'half-diminished': 'dim5m7',
1552 'major-minor': 'maj7m5',
1555 'minor-sixth': 'm6',
1557 'dominant-ninth': '9',
1558 'major-ninth': 'maj9',
1559 'minor-ninth': 'm9',
1560 # 11ths (usually as the basis for alteration):
1561 'dominant-11th': '11',
1562 'major-11th': 'maj11',
1563 'minor-11th': 'm11',
1564 # 13ths (usually as the basis for alteration):
1565 'dominant-13th': '13.11',
1566 'major-13th': 'maj13.11',
1567 'minor-13th': 'm13',
1569 'suspended-second': 'sus2',
1570 'suspended-fourth': 'sus4',
1571 # Functional sixths:
1573 #'Neapolitan': '???',
1578 #'pedal': '???',(pedal-point bass)
1585 def musicxml_chordkind_to_lily (kind):
1586 res = chordkind_dict.get (kind, None)
1587 # Check for None, since a major chord is converted to ''
1589 error_message (_ ("Unable to convert chord type %s to lilypond.") % kind)
1592 def musicxml_harmony_to_lily_chordname (n):
1594 root = n.get_maybe_exist_named_child ('root')
1596 ev = musicexp.ChordNameEvent ()
1597 ev.root = musicxml_chordpitch_to_lily (root)
1598 kind = n.get_maybe_exist_named_child ('kind')
1600 ev.kind = musicxml_chordkind_to_lily (kind.get_text ())
1603 bass = n.get_maybe_exist_named_child ('bass')
1605 ev.bass = musicxml_chordpitch_to_lily (bass)
1606 inversion = n.get_maybe_exist_named_child ('inversion')
1608 # TODO: Lilypond does not support inversions, does it?
1610 # Mail from Carl Sorensen on lilypond-devel, June 11, 2008:
1611 # 4. LilyPond supports the first inversion in the form of added
1612 # bass notes. So the first inversion of C major would be c:/g.
1613 # To get the second inversion of C major, you would need to do
1614 # e:6-3-^5 or e:m6-^5. However, both of these techniques
1615 # require you to know the chord and calculate either the fifth
1616 # pitch (for the first inversion) or the third pitch (for the
1617 # second inversion) so they may not be helpful for musicxml2ly.
1618 inversion_count = string.atoi (inversion.get_text ())
1619 if inversion_count == 1:
1620 # TODO: Calculate the bass note for the inversion...
1623 for deg in n.get_named_children ('degree'):
1624 d = musicexp.ChordModification ()
1625 d.type = deg.get_type ()
1626 d.step = deg.get_value ()
1627 d.alteration = deg.get_alter ()
1628 ev.add_modification (d)
1629 #TODO: convert the user-symbols attribute:
1630 #major: a triangle, like Unicode 25B3
1631 #minor: -, like Unicode 002D
1632 #augmented: +, like Unicode 002B
1633 #diminished: (degree), like Unicode 00B0
1634 #half-diminished: (o with slash), like Unicode 00F8
1640 def musicxml_figured_bass_note_to_lily (n):
1641 res = musicexp.FiguredBassNote ()
1642 suffix_dict = { 'sharp' : "+",
1645 'double-sharp' : "++",
1647 'sharp-sharp' : "++",
1649 prefix = n.get_maybe_exist_named_child ('prefix')
1651 res.set_prefix (suffix_dict.get (prefix.get_text (), ""))
1652 fnumber = n.get_maybe_exist_named_child ('figure-number')
1654 res.set_number (fnumber.get_text ())
1655 suffix = n.get_maybe_exist_named_child ('suffix')
1657 res.set_suffix (suffix_dict.get (suffix.get_text (), ""))
1658 if n.get_maybe_exist_named_child ('extend'):
1659 # TODO: Implement extender lines (unfortunately, in lilypond you have
1660 # to use \set useBassFigureExtenders = ##t, which turns them on
1661 # globally, while MusicXML has a property for each note...
1662 # I'm not sure there is a proper way to implement this cleanly
1669 def musicxml_figured_bass_to_lily (n):
1670 if not isinstance (n, musicxml.FiguredBass):
1672 res = musicexp.FiguredBassEvent ()
1673 for i in n.get_named_children ('figure'):
1674 note = musicxml_figured_bass_note_to_lily (i)
1677 dur = n.get_maybe_exist_named_child ('duration')
1679 # apply the duration to res
1680 length = Rational(int(dur.get_text()), n._divisions)*Rational(1,4)
1681 res.set_real_duration (length)
1682 duration = rational_to_lily_duration (length)
1684 res.set_duration (duration)
1685 if hasattr (n, 'parentheses') and n.parentheses == "yes":
1686 res.set_parentheses (True)
1689 instrument_drumtype_dict = {
1690 'Acoustic Snare Drum': 'acousticsnare',
1691 'Side Stick': 'sidestick',
1692 'Open Triangle': 'opentriangle',
1693 'Mute Triangle': 'mutetriangle',
1694 'Tambourine': 'tambourine',
1695 'Bass Drum': 'bassdrum',
1698 def musicxml_note_to_lily_main_event (n):
1703 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1705 pitch = musicxml_pitch_to_lily (mxl_pitch)
1706 event = musicexp.NoteEvent ()
1709 acc = n.get_maybe_exist_named_child ('accidental')
1711 # let's not force accs everywhere.
1712 event.cautionary = acc.editorial
1714 elif n.get_maybe_exist_typed_child (musicxml.Unpitched):
1715 # Unpitched elements have display-step and can also have
1717 unpitched = n.get_maybe_exist_typed_child (musicxml.Unpitched)
1718 event = musicexp.NoteEvent ()
1719 event.pitch = musicxml_unpitched_to_lily (unpitched)
1721 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1722 # rests can have display-octave and display-step, which are
1723 # treated like an ordinary note pitch
1724 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1725 event = musicexp.RestEvent ()
1726 pitch = musicxml_restdisplay_to_lily (rest)
1729 elif n.instrument_name:
1730 event = musicexp.NoteEvent ()
1731 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1733 event.drum_type = drum_type
1735 n.message (_ ("drum %s type unknown, please add to instrument_drumtype_dict") % n.instrument_name)
1736 event.drum_type = 'acousticsnare'
1739 n.message (_ ("cannot find suitable event"))
1742 event.duration = musicxml_duration_to_lily (n)
1744 noteheads = n.get_named_children ('notehead')
1745 for nh in noteheads:
1746 styles = musicxml_notehead_to_lily (nh)
1748 event.add_associated_event (s)
1752 def musicxml_lyrics_to_text (lyrics):
1753 # TODO: Implement text styles for lyrics syllables
1756 for e in lyrics.get_all_children ():
1757 if isinstance (e, musicxml.Syllabic):
1758 continued = e.continued ()
1759 elif isinstance (e, musicxml.Text):
1760 # We need to convert soft hyphens to -, otherwise the ascii codec as well
1761 # as lilypond will barf on that character
1762 text += string.replace( e.get_text(), u'\xad', '-' )
1763 elif isinstance (e, musicxml.Elision):
1768 if text == "-" and continued:
1770 elif text == "_" and continued:
1772 elif continued and text:
1773 return musicxml.escape_ly_output_string (text) + " --"
1777 return musicxml.escape_ly_output_string (text)
1783 def __init__ (self, here, dest):
1787 class LilyPondVoiceBuilder:
1788 def __init__ (self):
1790 self.pending_dynamics = []
1791 self.end_moment = Rational (0)
1792 self.begin_moment = Rational (0)
1793 self.pending_multibar = Rational (0)
1794 self.ignore_skips = False
1795 self.has_relevant_elements = False
1796 self.measure_length = Rational (4, 4)
1798 def _insert_multibar (self):
1799 layout_information.set_context_item ('Score', 'skipBars = ##t')
1800 r = musicexp.MultiMeasureRest ()
1801 lenfrac = self.measure_length
1802 r.duration = rational_to_lily_duration (lenfrac)
1803 r.duration.factor *= self.pending_multibar / lenfrac
1804 self.elements.append (r)
1805 self.begin_moment = self.end_moment
1806 self.end_moment = self.begin_moment + self.pending_multibar
1807 self.pending_multibar = Rational (0)
1809 def set_measure_length (self, mlen):
1810 if (mlen != self.measure_length) and self.pending_multibar:
1811 self._insert_multibar ()
1812 self.measure_length = mlen
1814 def add_multibar_rest (self, duration):
1815 self.pending_multibar += duration
1817 def set_duration (self, duration):
1818 self.end_moment = self.begin_moment + duration
1819 def current_duration (self):
1820 return self.end_moment - self.begin_moment
1822 def add_music (self, music, duration):
1823 assert isinstance (music, musicexp.Music)
1824 if self.pending_multibar > Rational (0):
1825 self._insert_multibar ()
1827 self.has_relevant_elements = True
1828 self.elements.append (music)
1829 self.begin_moment = self.end_moment
1830 self.set_duration (duration)
1832 # Insert all pending dynamics right after the note/rest:
1833 if isinstance (music, musicexp.ChordEvent) and self.pending_dynamics:
1834 for d in self.pending_dynamics:
1836 self.pending_dynamics = []
1838 # Insert some music command that does not affect the position in the measure
1839 def add_command (self, command):
1840 assert isinstance (command, musicexp.Music)
1841 if self.pending_multibar > Rational (0):
1842 self._insert_multibar ()
1843 self.has_relevant_elements = True
1844 self.elements.append (command)
1845 def add_barline (self, barline):
1846 # TODO: Implement merging of default barline and custom bar line
1847 self.add_music (barline, Rational (0))
1848 def add_partial (self, command):
1849 self.ignore_skips = True
1850 self.add_command (command)
1852 def add_dynamics (self, dynamic):
1853 # store the dynamic item(s) until we encounter the next note/rest:
1854 self.pending_dynamics.append (dynamic)
1856 def add_bar_check (self, number):
1857 # re/store has_relevant_elements, so that a barline alone does not
1858 # trigger output for figured bass, chord names
1859 has_relevant = self.has_relevant_elements
1860 b = musicexp.BarLine ()
1861 b.bar_number = number
1862 self.add_barline (b)
1863 self.has_relevant_elements = has_relevant
1865 def jumpto (self, moment):
1866 current_end = self.end_moment + self.pending_multibar
1867 diff = moment - current_end
1869 if diff < Rational (0):
1870 error_message (_ ('Negative skip %s (from position %s to %s)') %
1871 (diff, current_end, moment))
1874 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
1875 skip = musicexp.SkipEvent()
1877 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)
1879 # TODO: Use the time signature for skips, too. Problem: The skip
1880 # might not start at a measure boundary!
1881 if duration_log > 0: # denominator is a power of 2...
1882 if diff.numerator () == 3:
1886 duration_factor = Rational (diff.numerator ())
1888 # for skips of a whole or more, simply use s1*factor
1890 duration_factor = diff
1891 skip.duration.duration_log = duration_log
1892 skip.duration.factor = duration_factor
1893 skip.duration.dots = duration_dots
1895 evc = musicexp.ChordEvent ()
1896 evc.elements.append (skip)
1897 self.add_music (evc, diff)
1899 if diff > Rational (0) and moment == 0:
1900 self.ignore_skips = False
1902 def last_event_chord (self, starting_at):
1906 # if the position matches, find the last ChordEvent, do not cross a bar line!
1907 at = len( self.elements ) - 1
1909 not isinstance (self.elements[at], musicexp.ChordEvent) and
1910 not isinstance (self.elements[at], musicexp.BarLine)):
1915 and isinstance (self.elements[at], musicexp.ChordEvent)
1916 and self.begin_moment == starting_at):
1917 value = self.elements[at]
1919 self.jumpto (starting_at)
1923 def correct_negative_skip (self, goto):
1924 self.end_moment = goto
1925 self.begin_moment = goto
1926 evc = musicexp.ChordEvent ()
1927 self.elements.append (evc)
1931 def __init__ (self):
1932 self.voicename = None
1933 self.voicedata = None
1934 self.ly_voice = None
1935 self.figured_bass = None
1936 self.chordnames = None
1937 self.lyrics_dict = {}
1938 self.lyrics_order = []
1940 def musicxml_step_to_lily (step):
1942 return (ord (step) - ord ('A') + 7 - 2) % 7
1946 def measure_length_from_attributes (attr, current_measure_length):
1947 len = attr.get_measure_length ()
1949 len = current_measure_length
1952 def musicxml_voice_to_lily_voice (voice):
1956 return_value = VoiceData ()
1957 return_value.voicedata = voice
1959 # First pitch needed for relative mode (if selected in command-line options)
1962 # Needed for melismata detection (ignore lyrics on those notes!):
1967 ignore_lyrics = False
1969 current_staff = None
1971 pending_figured_bass = []
1972 pending_chordnames = []
1974 # Make sure that the keys in the dict don't get reordered, since
1975 # we need the correct ordering of the lyrics stanzas! By default,
1976 # a dict will reorder its keys
1977 return_value.lyrics_order = voice.get_lyrics_numbers ()
1978 for k in return_value.lyrics_order:
1981 voice_builder = LilyPondVoiceBuilder ()
1982 figured_bass_builder = LilyPondVoiceBuilder ()
1983 chordnames_builder = LilyPondVoiceBuilder ()
1984 current_measure_length = Rational (4, 4)
1985 voice_builder.set_measure_length (current_measure_length)
1987 for n in voice._elements:
1988 if n.get_name () == 'forward':
1990 staff = n.get_maybe_exist_named_child ('staff')
1992 staff = staff.get_text ()
1993 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
1994 voice_builder.add_command (musicexp.StaffChange (staff))
1995 current_staff = staff
1997 if isinstance (n, musicxml.Partial) and n.partial > 0:
1998 a = musicxml_partial_to_lily (n.partial)
2000 voice_builder.add_partial (a)
2003 is_chord = n.get_maybe_exist_named_child ('chord')
2004 is_after_grace = (isinstance (n, musicxml.Note) and n.is_after_grace ());
2005 if not is_chord and not is_after_grace:
2007 voice_builder.jumpto (n._when)
2008 except NegativeSkip, neg:
2009 voice_builder.correct_negative_skip (n._when)
2010 n.message (_ ("Negative skip found: from %s to %s, difference is %s") % (neg.here, neg.dest, neg.dest - neg.here))
2012 if isinstance (n, musicxml.Barline):
2013 barlines = musicxml_barline_to_lily (n)
2015 if isinstance (a, musicexp.BarLine):
2016 voice_builder.add_barline (a)
2017 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
2018 voice_builder.add_command (a)
2021 # Continue any multimeasure-rests before trying to add bar checks!
2022 # Don't handle new MM rests yet, because for them we want bar checks!
2023 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
2024 if (rest and rest.is_whole_measure ()
2025 and voice_builder.pending_multibar > Rational (0)):
2026 voice_builder.add_multibar_rest (n._duration)
2030 # print a bar check at the beginning of each measure!
2031 if n.is_first () and n._measure_position == Rational (0) and n != voice._elements[0]:
2033 num = int (n.get_parent ().number)
2037 voice_builder.add_bar_check (num)
2038 figured_bass_builder.add_bar_check (num)
2039 chordnames_builder.add_bar_check (num)
2041 # Start any new multimeasure rests
2042 if (rest and rest.is_whole_measure ()):
2043 voice_builder.add_multibar_rest (n._duration)
2047 if isinstance (n, musicxml.Direction):
2048 for a in musicxml_direction_to_lily (n):
2049 if a.wait_for_note ():
2050 voice_builder.add_dynamics (a)
2052 voice_builder.add_command (a)
2055 if isinstance (n, musicxml.Harmony):
2056 for a in musicxml_harmony_to_lily (n):
2057 if a.wait_for_note ():
2058 voice_builder.add_dynamics (a)
2060 voice_builder.add_command (a)
2061 for a in musicxml_harmony_to_lily_chordname (n):
2062 pending_chordnames.append (a)
2065 if isinstance (n, musicxml.FiguredBass):
2066 a = musicxml_figured_bass_to_lily (n)
2068 pending_figured_bass.append (a)
2071 if isinstance (n, musicxml.Attributes):
2072 for a in musicxml_attributes_to_lily (n):
2073 voice_builder.add_command (a)
2074 measure_length = measure_length_from_attributes (n, current_measure_length)
2075 if current_measure_length != measure_length:
2076 current_measure_length = measure_length
2077 voice_builder.set_measure_length (current_measure_length)
2080 if not n.__class__.__name__ == 'Note':
2081 n.message (_ ('unexpected %s; expected %s or %s or %s') % (n, 'Note', 'Attributes', 'Barline'))
2084 main_event = musicxml_note_to_lily_main_event (n)
2085 if main_event and not first_pitch:
2086 first_pitch = main_event.pitch
2087 # ignore lyrics for notes inside a slur, tie, chord or beam
2088 ignore_lyrics = inside_slur or is_tied or is_chord or is_beamed
2090 if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
2091 modes_found['drummode'] = True
2093 ev_chord = voice_builder.last_event_chord (n._when)
2095 ev_chord = musicexp.ChordEvent()
2096 voice_builder.add_music (ev_chord, n._duration)
2099 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
2101 is_after_grace = ev_chord.has_elements () or n.is_after_grace ();
2102 is_chord = n.get_maybe_exist_typed_child (musicxml.Chord)
2106 # after-graces and other graces use different lists; Depending on
2107 # whether we have a chord or not, obtain either a new ChordEvent or
2108 # the previous one to create a chord
2110 if ev_chord.after_grace_elements and n.get_maybe_exist_typed_child (musicxml.Chord):
2111 grace_chord = ev_chord.after_grace_elements.get_last_event_chord ()
2113 grace_chord = musicexp.ChordEvent ()
2114 ev_chord.append_after_grace (grace_chord)
2116 if ev_chord.grace_elements and n.get_maybe_exist_typed_child (musicxml.Chord):
2117 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
2119 grace_chord = musicexp.ChordEvent ()
2120 ev_chord.append_grace (grace_chord)
2122 if hasattr (grace, 'slash') and not is_after_grace:
2123 # TODO: use grace_type = "appoggiatura" for slurred grace notes
2124 if grace.slash == "yes":
2125 ev_chord.grace_type = "acciaccatura"
2126 # now that we have inserted the chord into the grace music, insert
2127 # everything into that chord instead of the ev_chord
2128 ev_chord = grace_chord
2129 ev_chord.append (main_event)
2130 ignore_lyrics = True
2132 ev_chord.append (main_event)
2133 # When a note/chord has grace notes (duration==0), the duration of the
2134 # event chord is not yet known, but the event chord was already added
2135 # with duration 0. The following correct this when we hit the real note!
2136 if voice_builder.current_duration () == 0 and n._duration > 0:
2137 voice_builder.set_duration (n._duration)
2139 # if we have a figured bass, set its voice builder to the correct position
2140 # and insert the pending figures
2141 if pending_figured_bass:
2143 figured_bass_builder.jumpto (n._when)
2144 except NegativeSkip, neg:
2146 for fb in pending_figured_bass:
2147 # if a duration is given, use that, otherwise the one of the note
2148 dur = fb.real_duration
2150 dur = ev_chord.get_length ()
2152 fb.duration = ev_chord.get_duration ()
2153 figured_bass_builder.add_music (fb, dur)
2154 pending_figured_bass = []
2156 if pending_chordnames:
2158 chordnames_builder.jumpto (n._when)
2159 except NegativeSkip, neg:
2161 for cn in pending_chordnames:
2162 # Assign the duration of the EventChord
2163 cn.duration = ev_chord.get_duration ()
2164 chordnames_builder.add_music (cn, ev_chord.get_length ())
2165 pending_chordnames = []
2167 notations_children = n.get_typed_children (musicxml.Notations)
2171 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
2172 # +tied | +slur | +tuplet | glissando | slide |
2173 # ornaments | technical | articulations | dynamics |
2174 # +fermata | arpeggiate | non-arpeggiate |
2175 # accidental-mark | other-notation
2176 for notations in notations_children:
2177 for tuplet_event in notations.get_tuplets():
2178 time_mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
2179 tuplet_events.append ((ev_chord, tuplet_event, time_mod))
2181 # First, close all open slurs, only then start any new slur
2182 # TODO: Record the number of the open slur to dtermine the correct
2184 endslurs = [s for s in notations.get_named_children ('slur')
2185 if s.get_type () in ('stop')]
2186 if endslurs and not inside_slur:
2187 endslurs[0].message (_ ('Encountered closing slur, but no slur is open'))
2189 if len (endslurs) > 1:
2190 endslurs[0].message (_ ('Cannot have two simultaneous (closing) slurs'))
2191 # record the slur status for the next note in the loop
2194 lily_ev = musicxml_spanner_to_lily_event (endslurs[0])
2195 ev_chord.append (lily_ev)
2197 startslurs = [s for s in notations.get_named_children ('slur')
2198 if s.get_type () in ('start')]
2199 if startslurs and inside_slur:
2200 startslurs[0].message (_ ('Cannot have a slur inside another slur'))
2202 if len (startslurs) > 1:
2203 startslurs[0].message (_ ('Cannot have two simultaneous slurs'))
2204 # record the slur status for the next note in the loop
2207 lily_ev = musicxml_spanner_to_lily_event (startslurs[0])
2208 ev_chord.append (lily_ev)
2212 mxl_tie = notations.get_tie ()
2213 if mxl_tie and mxl_tie.type == 'start':
2214 ev_chord.append (musicexp.TieEvent ())
2219 fermatas = notations.get_named_children ('fermata')
2221 ev = musicxml_fermata_to_lily_event (a)
2223 ev_chord.append (ev)
2225 arpeggiate = notations.get_named_children ('arpeggiate')
2226 for a in arpeggiate:
2227 ev = musicxml_arpeggiate_to_lily_event (a)
2229 ev_chord.append (ev)
2231 arpeggiate = notations.get_named_children ('non-arpeggiate')
2232 for a in arpeggiate:
2233 ev = musicxml_nonarpeggiate_to_lily_event (a)
2235 ev_chord.append (ev)
2237 glissandos = notations.get_named_children ('glissando')
2238 glissandos += notations.get_named_children ('slide')
2239 for a in glissandos:
2240 ev = musicxml_spanner_to_lily_event (a)
2242 ev_chord.append (ev)
2244 # accidental-marks are direct children of <notation>!
2245 for a in notations.get_named_children ('accidental-mark'):
2246 ev = musicxml_articulation_to_lily_event (a)
2248 ev_chord.append (ev)
2250 # Articulations can contain the following child elements:
2251 # accent | strong-accent | staccato | tenuto |
2252 # detached-legato | staccatissimo | spiccato |
2253 # scoop | plop | doit | falloff | breath-mark |
2254 # caesura | stress | unstress
2255 # Technical can contain the following child elements:
2256 # up-bow | down-bow | harmonic | open-string |
2257 # thumb-position | fingering | pluck | double-tongue |
2258 # triple-tongue | stopped | snap-pizzicato | fret |
2259 # string | hammer-on | pull-off | bend | tap | heel |
2260 # toe | fingernails | other-technical
2261 # Ornaments can contain the following child elements:
2262 # trill-mark | turn | delayed-turn | inverted-turn |
2263 # shake | wavy-line | mordent | inverted-mordent |
2264 # schleifer | tremolo | other-ornament, accidental-mark
2265 ornaments = notations.get_named_children ('ornaments')
2266 ornaments += notations.get_named_children ('articulations')
2267 ornaments += notations.get_named_children ('technical')
2270 for ch in a.get_all_children ():
2271 ev = musicxml_articulation_to_lily_event (ch)
2273 ev_chord.append (ev)
2275 dynamics = notations.get_named_children ('dynamics')
2277 for ch in a.get_all_children ():
2278 ev = musicxml_dynamics_to_lily_event (ch)
2280 ev_chord.append (ev)
2283 mxl_beams = [b for b in n.get_named_children ('beam')
2284 if (b.get_type () in ('begin', 'end')
2285 and b.is_primary ())]
2286 if mxl_beams and not conversion_settings.ignore_beaming:
2287 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
2289 ev_chord.append (beam_ev)
2290 if beam_ev.span_direction == -1: # beam and thus melisma starts here
2292 elif beam_ev.span_direction == 1: # beam and thus melisma ends here
2295 # Extract the lyrics
2296 if not rest and not ignore_lyrics:
2297 note_lyrics_processed = []
2298 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
2299 for l in note_lyrics_elements:
2300 if l.get_number () < 0:
2301 for k in lyrics.keys ():
2302 lyrics[k].append (musicxml_lyrics_to_text (l))
2303 note_lyrics_processed.append (k)
2305 lyrics[l.number].append(musicxml_lyrics_to_text (l))
2306 note_lyrics_processed.append (l.number)
2307 for lnr in lyrics.keys ():
2308 if not lnr in note_lyrics_processed:
2309 lyrics[lnr].append ("\skip4")
2311 ## force trailing mm rests to be written out.
2312 voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
2314 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
2315 ly_voice = group_repeats (ly_voice)
2317 seq_music = musicexp.SequentialMusic ()
2319 if 'drummode' in modes_found.keys ():
2320 ## \key <pitch> barfs in drummode.
2321 ly_voice = [e for e in ly_voice
2322 if not isinstance(e, musicexp.KeySignatureChange)]
2324 seq_music.elements = ly_voice
2325 for k in lyrics.keys ():
2326 return_value.lyrics_dict[k] = musicexp.Lyrics ()
2327 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
2330 if len (modes_found) > 1:
2331 error_message (_ ('cannot simultaneously have more than one mode: %s') % modes_found.keys ())
2333 if options.relative:
2334 v = musicexp.RelativeMusic ()
2335 v.element = seq_music
2336 v.basepitch = first_pitch
2339 return_value.ly_voice = seq_music
2340 for mode in modes_found.keys ():
2341 v = musicexp.ModeChangingMusicWrapper()
2342 v.element = seq_music
2344 return_value.ly_voice = v
2346 # create \figuremode { figured bass elements }
2347 if figured_bass_builder.has_relevant_elements:
2348 fbass_music = musicexp.SequentialMusic ()
2349 fbass_music.elements = figured_bass_builder.elements
2350 v = musicexp.ModeChangingMusicWrapper()
2351 v.mode = 'figuremode'
2352 v.element = fbass_music
2353 return_value.figured_bass = v
2355 # create \chordmode { chords }
2356 if chordnames_builder.has_relevant_elements:
2357 cname_music = musicexp.SequentialMusic ()
2358 cname_music.elements = chordnames_builder.elements
2359 v = musicexp.ModeChangingMusicWrapper()
2360 v.mode = 'chordmode'
2361 v.element = cname_music
2362 return_value.chordnames = v
2366 def musicxml_id_to_lily (id):
2367 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
2368 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
2370 for digit in digits:
2371 d = digits.index (digit)
2372 id = re.sub ('%d' % d, digit, id)
2374 id = re.sub ('[^a-zA-Z]', 'X', id)
2377 def musicxml_pitch_to_lily (mxl_pitch):
2378 p = musicexp.Pitch ()
2379 p.alteration = mxl_pitch.get_alteration ()
2380 p.step = musicxml_step_to_lily (mxl_pitch.get_step ())
2381 p.octave = mxl_pitch.get_octave () - 4
2384 def musicxml_unpitched_to_lily (mxl_unpitched):
2386 step = mxl_unpitched.get_step ()
2388 p = musicexp.Pitch ()
2389 p.step = musicxml_step_to_lily (step)
2390 octave = mxl_unpitched.get_octave ()
2392 p.octave = octave - 4
2395 def musicxml_restdisplay_to_lily (mxl_rest):
2397 step = mxl_rest.get_step ()
2399 p = musicexp.Pitch ()
2400 p.step = musicxml_step_to_lily (step)
2401 octave = mxl_rest.get_octave ()
2403 p.octave = octave - 4
2406 def voices_in_part (part):
2407 """Return a Name -> Voice dictionary for PART"""
2409 part.extract_voices ()
2410 voices = part.get_voices ()
2411 part_info = part.get_staff_attributes ()
2413 return (voices, part_info)
2415 def voices_in_part_in_parts (parts):
2416 """return a Part -> Name -> Voice dictionary"""
2417 return dict([(p.id, voices_in_part (p)) for p in parts])
2420 def get_all_voices (parts):
2421 all_voices = voices_in_part_in_parts (parts)
2424 all_ly_staffinfo = {}
2425 for p, (name_voice, staff_info) in all_voices.items ():
2428 for n, v in name_voice.items ():
2429 progress (_ ("Converting to LilyPond expressions..."))
2430 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
2431 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
2433 all_ly_voices[p] = part_ly_voices
2434 all_ly_staffinfo[p] = staff_info
2436 return (all_ly_voices, all_ly_staffinfo)
2439 def option_parser ():
2440 p = ly.get_option_parser (usage = _ ("musicxml2ly [OPTION]... FILE.xml"),
2442 _ ("""Convert MusicXML from FILE.xml to LilyPond input.
2443 If the given filename is -, musicxml2ly reads from the command line.
2444 """), add_help_option=False)
2446 p.add_option("-h", "--help",
2448 help=_ ("show this help and exit"))
2450 p.version = ('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
2452 _ ("""Copyright (c) 2005--2008 by
2453 Han-Wen Nienhuys <hanwen@xs4all.nl>,
2454 Jan Nieuwenhuizen <janneke@gnu.org> and
2455 Reinhold Kainhofer <reinhold@kainhofer.com>
2459 This program is free software. It is covered by the GNU General Public
2460 License and you are welcome to change it and/or distribute copies of it
2461 under certain conditions. Invoke as `%s --warranty' for more
2462 information.""") % 'lilypond')
2464 p.add_option("--version",
2466 help=_ ("show version number and exit"))
2468 p.add_option ('-v', '--verbose',
2469 action = "store_true",
2471 help = _ ("be verbose"))
2473 p.add_option ('', '--lxml',
2474 action = "store_true",
2477 help = _ ("use lxml.etree; uses less memory and cpu time"))
2479 p.add_option ('-z', '--compressed',
2480 action = "store_true",
2481 dest = 'compressed',
2483 help = _ ("input file is a zip-compressed MusicXML file"))
2485 p.add_option ('-r', '--relative',
2486 action = "store_true",
2489 help = _ ("convert pitches in relative mode (default)"))
2491 p.add_option ('-a', '--absolute',
2492 action = "store_false",
2494 help = _ ("convert pitches in absolute mode"))
2496 p.add_option ('-l', '--language',
2497 metavar = _ ("LANG"),
2499 help = _ ("use a different language file 'LANG.ly' and corresponding pitch names, e.g. 'deutsch' for deutsch.ly"))
2501 p.add_option ('--nd', '--no-articulation-directions',
2502 action = "store_false",
2504 dest = "convert_directions",
2505 help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
2507 p.add_option ('--no-beaming',
2508 action = "store_false",
2510 dest = "convert_beaming",
2511 help = _ ("do not convert beaming information, use lilypond's automatic beaming instead"))
2513 p.add_option ('-o', '--output',
2514 metavar = _ ("FILE"),
2518 dest = 'output_name',
2519 help = _ ("set output filename to FILE, stdout if -"))
2520 p.add_option_group ('',
2521 description = (_ ("Report bugs via")
2522 + ''' http://post.gmane.org/post.php'''
2523 '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
2526 def music_xml_voice_name_to_lily_name (part_id, name):
2527 str = "Part%sVoice%s" % (part_id, name)
2528 return musicxml_id_to_lily (str)
2530 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
2531 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
2532 return musicxml_id_to_lily (str)
2534 def music_xml_figuredbass_name_to_lily_name (part_id, voicename):
2535 str = "Part%sVoice%sFiguredBass" % (part_id, voicename)
2536 return musicxml_id_to_lily (str)
2538 def music_xml_chordnames_name_to_lily_name (part_id, voicename):
2539 str = "Part%sVoice%sChords" % (part_id, voicename)
2540 return musicxml_id_to_lily (str)
2542 def print_voice_definitions (printer, part_list, voices):
2543 for part in part_list:
2545 nv_dict = voices.get (part_id, {})
2546 for (name, voice) in nv_dict.items ():
2547 k = music_xml_voice_name_to_lily_name (part_id, name)
2548 printer.dump ('%s = ' % k)
2549 voice.ly_voice.print_ly (printer)
2551 if voice.chordnames:
2552 cnname = music_xml_chordnames_name_to_lily_name (part_id, name)
2553 printer.dump ('%s = ' % cnname )
2554 voice.chordnames.print_ly (printer)
2556 for l in voice.lyrics_order:
2557 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
2558 printer.dump ('%s = ' % lname )
2559 voice.lyrics_dict[l].print_ly (printer)
2561 if voice.figured_bass:
2562 fbname = music_xml_figuredbass_name_to_lily_name (part_id, name)
2563 printer.dump ('%s = ' % fbname )
2564 voice.figured_bass.print_ly (printer)
2569 return dict ([(elt,1) for elt in l]).keys ()
2571 # format the information about the staff in the form
2574 # [voiceid1, [lyricsid11, lyricsid12,...], figuredbassid1],
2575 # [voiceid2, [lyricsid21, lyricsid22,...], figuredbassid2],
2579 # raw_voices is of the form [(voicename, lyricsids, havefiguredbass)*]
2580 def format_staff_info (part_id, staff_id, raw_voices):
2582 for (v, lyricsids, figured_bass, chordnames) in raw_voices:
2583 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
2584 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
2586 figured_bass_name = ''
2588 figured_bass_name = music_xml_figuredbass_name_to_lily_name (part_id, v)
2589 chordnames_name = ''
2591 chordnames_name = music_xml_chordnames_name_to_lily_name (part_id, v)
2592 voices.append ([voice_name, voice_lyrics, figured_bass_name, chordnames_name])
2593 return [staff_id, voices]
2595 def update_score_setup (score_structure, part_list, voices):
2597 for part_definition in part_list:
2598 part_id = part_definition.id
2599 nv_dict = voices.get (part_id)
2601 error_message (_ ('unknown part in part-list: %s') % part_id)
2604 staves = reduce (lambda x,y: x+ y,
2605 [voice.voicedata._staves.keys ()
2606 for voice in nv_dict.values ()],
2609 if len (staves) > 1:
2611 staves = uniq_list (staves)
2614 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2615 for (voice_name, voice) in nv_dict.items ()
2616 if voice.voicedata._start_staff == s]
2617 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
2619 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2620 for (voice_name, voice) in nv_dict.items ()]
2621 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
2622 score_structure.set_part_information (part_id, staves_info)
2624 # Set global values in the \layout block, like auto-beaming etc.
2625 def update_layout_information ():
2626 if not conversion_settings.ignore_beaming and layout_information:
2627 layout_information.set_context_item ('Score', 'autoBeaming = ##f')
2629 def print_ly_preamble (printer, filename):
2630 printer.dump_version ()
2631 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
2633 def print_ly_additional_definitions (printer, filename):
2634 if needed_additional_definitions:
2636 printer.print_verbatim ('%% additional definitions required by the score:')
2638 for a in set(needed_additional_definitions):
2639 printer.print_verbatim (additional_definitions.get (a, ''))
2643 # Read in the tree from the given I/O object (either file or string) and
2644 # demarshall it using the classes from the musicxml.py file
2645 def read_xml (io_object, use_lxml):
2648 tree = lxml.etree.parse (io_object)
2649 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
2652 from xml.dom import minidom, Node
2653 doc = minidom.parse(io_object)
2654 node = doc.documentElement
2655 return musicxml.minidom_demarshal_node (node)
2659 def read_musicxml (filename, compressed, use_lxml):
2663 progress (_ ("Input is compressed, extracting raw MusicXML data from stdin") )
2664 z = zipfile.ZipFile (sys.stdin)
2666 progress (_ ("Input file %s is compressed, extracting raw MusicXML data") % filename)
2667 z = zipfile.ZipFile (filename, "r")
2668 container_xml = z.read ("META-INF/container.xml")
2669 if not container_xml:
2671 container = read_xml (StringIO.StringIO (container_xml), use_lxml)
2674 rootfiles = container.get_maybe_exist_named_child ('rootfiles')
2677 rootfile_list = rootfiles.get_named_children ('rootfile')
2679 if len (rootfile_list) > 0:
2680 mxml_file = getattr (rootfile_list[0], 'full-path', None)
2682 raw_string = z.read (mxml_file)
2685 io_object = StringIO.StringIO (raw_string)
2686 elif filename == "-":
2687 io_object = sys.stdin
2689 io_object = filename
2691 return read_xml (io_object, use_lxml)
2694 def convert (filename, options):
2696 progress (_ ("Reading MusicXML from Standard input ...") )
2698 progress (_ ("Reading MusicXML from %s ...") % filename)
2700 tree = read_musicxml (filename, options.compressed, options.use_lxml)
2701 score_information = extract_score_information (tree)
2702 paper_information = extract_paper_information (tree)
2704 parts = tree.get_typed_children (musicxml.Part)
2705 (voices, staff_info) = get_all_voices (parts)
2708 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
2710 score = extract_score_structure (mxl_pl, staff_info)
2711 part_list = mxl_pl.get_named_children ("score-part")
2713 # score information is contained in the <work>, <identification> or <movement-title> tags
2714 update_score_setup (score, part_list, voices)
2715 # After the conversion, update the list of settings for the \layout block
2716 update_layout_information ()
2718 if not options.output_name:
2719 options.output_name = os.path.basename (filename)
2720 options.output_name = os.path.splitext (options.output_name)[0]
2721 elif re.match (".*\.ly", options.output_name):
2722 options.output_name = os.path.splitext (options.output_name)[0]
2725 #defs_ly_name = options.output_name + '-defs.ly'
2726 if (options.output_name == "-"):
2727 output_ly_name = 'Standard output'
2729 output_ly_name = options.output_name + '.ly'
2731 progress (_ ("Output to `%s'") % output_ly_name)
2732 printer = musicexp.Output_printer()
2733 #progress (_ ("Output to `%s'") % defs_ly_name)
2734 if (options.output_name == "-"):
2735 printer.set_file (codecs.getwriter ("utf-8")(sys.stdout))
2737 printer.set_file (codecs.open (output_ly_name, 'wb', encoding='utf-8'))
2738 print_ly_preamble (printer, filename)
2739 print_ly_additional_definitions (printer, filename)
2740 if score_information:
2741 score_information.print_ly (printer)
2742 if paper_information:
2743 paper_information.print_ly (printer)
2744 if layout_information:
2745 layout_information.print_ly (printer)
2746 print_voice_definitions (printer, part_list, voices)
2749 printer.dump ("% The score definition")
2751 score.print_ly (printer)
2756 def get_existing_filename_with_extension (filename, ext):
2757 if os.path.exists (filename):
2759 newfilename = filename + "." + ext
2760 if os.path.exists (newfilename):
2762 newfilename = filename + ext
2763 if os.path.exists (newfilename):
2768 opt_parser = option_parser()
2771 (options, args) = opt_parser.parse_args ()
2773 opt_parser.print_usage()
2776 if options.language:
2777 musicexp.set_pitch_language (options.language)
2778 needed_additional_definitions.append (options.language)
2779 additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
2780 conversion_settings.ignore_beaming = not options.convert_beaming
2782 # Allow the user to leave out the .xml or xml on the filename
2783 basefilename = args[0].decode('utf-8')
2784 if basefilename == "-": # Read from stdin
2787 filename = get_existing_filename_with_extension (basefilename, "xml")
2789 filename = get_existing_filename_with_extension (basefilename, "mxl")
2790 options.compressed = True
2791 if filename and filename.endswith ("mxl"):
2792 options.compressed = True
2794 if filename and (filename == "-" or os.path.exists (filename)):
2795 voices = convert (filename, options)
2797 progress (_ ("Unable to find input file %s") % basefilename)
2799 if __name__ == '__main__':