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 "tuplet-note-wrapper": """ % a formatter function, which is simply a wrapper around an existing
49 % tuplet formatter function. It takes the value returned by the given
50 % function and appends a note of given length.
51 #(define-public ((tuplet-number::append-note-wrapper function note) grob)
52 (let* ((txt (if function (function grob) #f)))
54 (markup txt #:fontsize -5 #:note note UP)
55 (markup #:fontsize -5 #:note note UP)
60 "tuplet-non-default-denominator": """#(define ((tuplet-number::non-default-tuplet-denominator-text denominator) grob)
61 (number->string (if denominator
63 (ly:event-property (event-cause grob) 'denominator))))
66 "tuplet-non-default-fraction": """#(define ((tuplet-number::non-default-tuplet-fraction-text denominator numerator) grob)
67 (let* ((ev (event-cause grob))
68 (den (if denominator denominator (ly:event-property ev 'denominator)))
69 (num (if numerator numerator (ly:event-property ev 'numerator))))
70 (format "~a:~a" den num)))
73 "compound-time-signature": """%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
74 % Formatting of (possibly complex) compound time signatures
75 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77 #(define-public (insert-markups l m)
78 (let* ((ll (reverse l)))
79 (let join-markups ((markups (list (car ll)))
82 (join-markups (cons (car remaining) (cons m markups)) (cdr remaining))
85 % Use a centered-column inside a left-column, because the centered column
86 % moves its reference point to the center, which the left-column undoes.
87 % The center-column also aligns its contented centered, which is not undone...
88 #(define-public (format-time-fraction time-sig-fraction)
89 (let* ((revargs (reverse (map number->string time-sig-fraction)))
91 (nums (reverse (cdr revargs))))
92 (make-override-markup '(baseline-skip . 0)
94 (make-left-column-markup (list
95 (make-center-column-markup (list
96 (make-line-markup (insert-markups nums "+"))
99 #(define-public (format-complex-compound-time time-sig)
100 (let* ((sigs (map format-time-fraction time-sig)))
101 (make-override-markup '(baseline-skip . 0)
104 (insert-markups sigs (make-vcenter-markup "+")))))))
106 #(define-public (format-compound-time time-sig)
108 ((not (pair? time-sig)) (null-markup))
109 ((pair? (car time-sig)) (format-complex-compound-time time-sig))
110 (else (format-time-fraction time-sig))))
113 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
114 % Measure length calculation of (possibly complex) compound time signatures
115 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
117 #(define-public (calculate-time-fraction time-sig-fraction)
118 (let* ((revargs (reverse time-sig-fraction))
120 (nums (cdr revargs)))
121 (ly:make-moment (apply + nums) den)))
123 #(define-public (calculate-complex-compound-time time-sig)
124 (let* ((sigs (map calculate-time-fraction time-sig)))
125 (let add-moment ((moment ZERO-MOMENT)
127 (if (pair? remaining)
128 (add-moment (ly:moment-add moment (car remaining)) (cdr remaining))
131 #(define-public (calculate-compound-measure-length time-sig)
133 ((not (pair? time-sig)) (ly:make-moment 4 4))
134 ((pair? (car time-sig)) (calculate-complex-compound-time time-sig))
135 (else (calculate-time-fraction time-sig))))
138 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
140 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
142 #(define-public (calculate-compound-base-beat-full time-sig)
143 (let* ((den (map last time-sig)))
146 #(define-public (calculate-compound-base-beat time-sig)
147 (ly:make-moment 1 (cond
148 ((not (pair? time-sig)) 4)
149 ((pair? (car time-sig)) (calculate-compound-base-beat-full time-sig))
150 (else (calculate-compound-base-beat-full (list time-sig))))))
153 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
154 % The music function to set the complex time signature
155 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
158 #(define-music-function (parser location args) (pair?)
159 (let ((mlen (calculate-compound-measure-length args))
160 (beat (calculate-compound-base-beat args)))
162 \once \override Staff.TimeSignature #'stencil = #ly:text-interface::print
163 \once \override Staff.TimeSignature #'text = #(format-compound-time $args)
164 % \set Staff.beatGrouping = #(reverse (cdr (reverse $args)))
165 \set Timing.measureLength = $mlen
166 \set Timing.timeSignatureFraction = #(cons (ly:moment-main-numerator $mlen)
167 (ly:moment-main-denominator $mlen))
168 \set Timing.baseMoment = $beat
170 % TODO: Implement beatGrouping and auto-beam-settings!!!
175 def round_to_two_digits (val):
176 return round (val * 100) / 100
178 def extract_paper_information (tree):
179 paper = musicexp.Paper ()
180 defaults = tree.get_maybe_exist_named_child ('defaults')
184 scaling = defaults.get_maybe_exist_named_child ('scaling')
186 mm = scaling.get_named_child ('millimeters')
187 mm = string.atof (mm.get_text ())
188 tn = scaling.get_maybe_exist_named_child ('tenths')
189 tn = string.atof (tn.get_text ())
191 paper.global_staff_size = mm * 72.27 / 25.4
192 # We need the scaling (i.e. the size of staff tenths for everything!
196 def from_tenths (txt):
197 return round_to_two_digits (string.atof (txt) * tenths / 10)
198 def set_paper_variable (varname, parent, element_name):
199 el = parent.get_maybe_exist_named_child (element_name)
200 if el: # Convert to cm from tenths
201 setattr (paper, varname, from_tenths (el.get_text ()))
203 pagelayout = defaults.get_maybe_exist_named_child ('page-layout')
205 # TODO: How can one have different margins for even and odd pages???
206 set_paper_variable ("page_height", pagelayout, 'page-height')
207 set_paper_variable ("page_width", pagelayout, 'page-width')
209 pmargins = pagelayout.get_named_children ('page-margins')
211 set_paper_variable ("left_margin", pm, 'left-margin')
212 set_paper_variable ("right_margin", pm, 'right-margin')
213 set_paper_variable ("bottom_margin", pm, 'bottom-margin')
214 set_paper_variable ("top_margin", pm, 'top-margin')
216 systemlayout = defaults.get_maybe_exist_named_child ('system-layout')
218 sl = systemlayout.get_maybe_exist_named_child ('system-margins')
220 set_paper_variable ("system_left_margin", sl, 'left-margin')
221 set_paper_variable ("system_right_margin", sl, 'right-margin')
222 set_paper_variable ("system_distance", systemlayout, 'system-distance')
223 set_paper_variable ("top_system_distance", systemlayout, 'top-system-distance')
225 stafflayout = defaults.get_named_children ('staff-layout')
226 for sl in stafflayout:
227 nr = getattr (sl, 'number', 1)
228 dist = sl.get_named_child ('staff-distance')
229 #TODO: the staff distance needs to be set in the Staff context!!!
231 # TODO: Finish appearance?, music-font?, word-font?, lyric-font*, lyric-language*
232 appearance = defaults.get_named_child ('appearance')
234 lws = appearance.get_named_children ('line-width')
236 # Possible types are: beam, bracket, dashes,
237 # enclosure, ending, extend, heavy barline, leger,
238 # light barline, octave shift, pedal, slur middle, slur tip,
239 # staff, stem, tie middle, tie tip, tuplet bracket, and wedge
241 w = from_tenths (lw.get_text ())
242 # TODO: Do something with these values!
243 nss = appearance.get_named_children ('note-size')
245 # Possible types are: cue, grace and large
247 sz = from_tenths (ns.get_text ())
248 # TODO: Do something with these values!
249 # <other-appearance> elements have no specified meaning
251 rawmusicfont = defaults.get_named_child ('music-font')
253 # TODO: Convert the font
255 rawwordfont = defaults.get_named_child ('word-font')
257 # TODO: Convert the font
259 rawlyricsfonts = defaults.get_named_children ('lyric-font')
260 for lyricsfont in rawlyricsfonts:
261 # TODO: Convert the font
268 # score information is contained in the <work>, <identification> or <movement-title> tags
269 # extract those into a hash, indexed by proper lilypond header attributes
270 def extract_score_information (tree):
271 header = musicexp.Header ()
272 def set_if_exists (field, value):
274 header.set_field (field, musicxml.escape_ly_output_string (value))
276 movement_title = tree.get_maybe_exist_named_child ('movement-title')
278 set_if_exists ('title', movement_title.get_text ())
279 work = tree.get_maybe_exist_named_child ('work')
281 # Overwrite the title from movement-title with work->title
282 set_if_exists ('title', work.get_work_title ())
283 set_if_exists ('worknumber', work.get_work_number ())
284 set_if_exists ('opus', work.get_opus ())
286 identifications = tree.get_named_children ('identification')
287 for ids in identifications:
288 set_if_exists ('copyright', ids.get_rights ())
289 set_if_exists ('composer', ids.get_composer ())
290 set_if_exists ('arranger', ids.get_arranger ())
291 set_if_exists ('editor', ids.get_editor ())
292 set_if_exists ('poet', ids.get_poet ())
294 set_if_exists ('tagline', ids.get_encoding_software ())
295 set_if_exists ('encodingsoftware', ids.get_encoding_software ())
296 set_if_exists ('encodingdate', ids.get_encoding_date ())
297 set_if_exists ('encoder', ids.get_encoding_person ())
298 set_if_exists ('encodingdescription', ids.get_encoding_description ())
300 set_if_exists ('texidoc', ids.get_file_description ());
302 # Finally, apply the required compatibility modes
303 # Some applications created wrong MusicXML files, so we need to
304 # apply some compatibility mode, e.g. ignoring some features/tags
306 software = ids.get_encoding_software_list ()
308 # Case 1: "Sibelius 5.1" with the "Dolet 3.4 for Sibelius" plugin
309 # is missing all beam ends => ignore all beaming information
310 ignore_beaming_software = {
311 "Dolet 4 for Sibelius, Beta 2": "Dolet 4 for Sibelius, Beta 2",
312 "Dolet 3.5 for Sibelius": "Dolet 3.5 for Sibelius",
313 "Dolet 3.4 for Sibelius": "Dolet 3.4 for Sibelius",
314 "Dolet 3.3 for Sibelius": "Dolet 3.3 for Sibelius",
315 "Dolet 3.2 for Sibelius": "Dolet 3.2 for Sibelius",
316 "Dolet 3.1 for Sibelius": "Dolet 3.1 for Sibelius",
317 "Dolet for Sibelius 1.3": "Dolet for Sibelius 1.3",
318 "Noteworthy Composer": "Noteworthy Composer's nwc2xm[",
321 app_description = ignore_beaming_software.get (s, False);
323 conversion_settings.ignore_beaming = True
324 progress (_ ("Encountered file created by %s, containing wrong beaming information. All beaming information in the MusicXML file will be ignored") % app_description)
326 # TODO: Check for other unsupported features
334 return len (self.start) + len (self.end) == 0
335 def add_start (self, g):
336 self.start[getattr (g, 'number', "1")] = g
337 def add_end (self, g):
338 self.end[getattr (g, 'number', "1")] = g
339 def print_ly (self, printer):
340 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
341 def ly_expression (self):
342 error_message (_ ("Unprocessed PartGroupInfo %s encountered") % self)
345 def musicxml_step_to_lily (step):
347 return (ord (step) - ord ('A') + 7 - 2) % 7
352 def staff_attributes_to_string_tunings (mxl_attr):
353 details = mxl_attr.get_maybe_exist_named_child ('staff-details')
357 staff_lines = details.get_maybe_exist_named_child ('staff-lines')
359 lines = string.atoi (staff_lines.get_text ())
362 staff_tunings = details.get_named_children ('staff-tuning')
363 for i in staff_tunings:
367 line = string.atoi (i.line) - 1
372 step = i.get_named_child (u'tuning-step')
373 step = step.get_text ().strip ()
374 p.step = musicxml_step_to_lily (step)
376 octave = i.get_named_child (u'tuning-octave')
377 octave = octave.get_text ().strip ()
378 p.octave = int (octave) - 4
380 alter = i.get_named_child (u'tuning-alter')
382 p.alteration = int (alter.get_text ().strip ())
383 # lilypond seems to use the opposite ordering than MusicXML...
389 def staff_attributes_to_lily_staff (mxl_attr):
391 return musicexp.Staff ()
393 (staff_id, attributes) = mxl_attr.items ()[0]
395 # distinguish by clef:
396 # percussion (percussion and rhythmic), tab, and everything else
398 clef = attributes.get_maybe_exist_named_child ('clef')
400 sign = clef.get_maybe_exist_named_child ('sign')
402 clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
405 details = attributes.get_named_children ('staff-details')
407 staff_lines = d.get_maybe_exist_named_child ('staff-lines')
409 lines = string.atoi (staff_lines.get_text ())
411 # TODO: Handle other staff attributes like staff-space, etc.
414 if clef_sign == "percussion" and lines == 1:
415 staff = musicexp.RhythmicStaff ()
416 elif clef_sign == "percussion":
417 staff = musicexp.DrumStaff ()
418 # staff.drum_style_table = ???
419 elif clef_sign == "tab":
420 staff = musicexp.TabStaff ()
421 staff.string_tunings = staff_attributes_to_string_tunings (attributes)
422 # staff.tablature_format = ???
424 staff = musicexp.Staff ()
425 # TODO: Handle case with lines <> 5!
427 staff.add_context_modification ("\\override StaffSymbol #'line-count = #%s" % lines)
433 def extract_score_structure (part_list, staffinfo):
434 score = musicexp.Score ()
435 structure = musicexp.StaffGroup (None)
436 score.set_contents (structure)
441 def read_score_part (el):
442 if not isinstance (el, musicxml.Score_part):
444 # Depending on the attributes of the first measure, we create different
445 # types of staves (Staff, RhythmicStaff, DrumStaff, TabStaff, etc.)
446 staff = staff_attributes_to_lily_staff (staffinfo.get (el.id, None))
450 partname = el.get_maybe_exist_named_child ('part-name')
451 # Finale gives unnamed parts the name "MusicXML Part" automatically!
452 if partname and partname.get_text() != "MusicXML Part":
453 staff.instrument_name = partname.get_text ()
454 # part-name-display overrides part-name!
455 partname = el.get_maybe_exist_named_child ("part-name-display")
457 staff.instrument_name = extract_display_text (partname)
459 partdisplay = el.get_maybe_exist_named_child ('part-abbreviation')
461 staff.short_instrument_name = partdisplay.get_text ()
462 # part-abbreviation-display overrides part-abbreviation!
463 partdisplay = el.get_maybe_exist_named_child ("part-abbreviation-display")
465 staff.short_instrument_name = extract_display_text (partdisplay)
466 # TODO: Read in the MIDI device / instrument
470 def read_score_group (el):
471 if not isinstance (el, musicxml.Part_group):
473 group = musicexp.StaffGroup ()
474 if hasattr (el, 'number'):
477 #currentgroups_dict[id] = group
478 #currentgroups.append (id)
479 if el.get_maybe_exist_named_child ('group-name'):
480 group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
481 if el.get_maybe_exist_named_child ('group-abbreviation'):
482 group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
483 if el.get_maybe_exist_named_child ('group-symbol'):
484 group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
485 if el.get_maybe_exist_named_child ('group-barline'):
486 group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
490 parts_groups = part_list.get_all_children ()
492 # the start/end group tags are not necessarily ordered correctly and groups
493 # might even overlap, so we can't go through the children sequentially!
495 # 1) Replace all Score_part objects by their corresponding Staff objects,
496 # also collect all group start/stop points into one PartGroupInfo object
498 group_info = PartGroupInfo ()
499 for el in parts_groups:
500 if isinstance (el, musicxml.Score_part):
501 if not group_info.is_empty ():
502 staves.append (group_info)
503 group_info = PartGroupInfo ()
504 staff = read_score_part (el)
506 staves.append (staff)
507 elif isinstance (el, musicxml.Part_group):
508 if el.type == "start":
509 group_info.add_start (el)
510 elif el.type == "stop":
511 group_info.add_end (el)
512 if not group_info.is_empty ():
513 staves.append (group_info)
515 # 2) Now, detect the groups:
518 while pos < len (staves):
520 if isinstance (el, PartGroupInfo):
522 if len (group_starts) > 0:
523 prev_start = group_starts[-1]
524 elif len (el.end) > 0: # no group to end here
526 if len (el.end) > 0: # closes an existing group
527 ends = el.end.keys ()
528 prev_started = staves[prev_start].start.keys ()
530 intersection = filter(lambda x:x in ends, prev_started)
531 if len (intersection) > 0:
532 grpid = intersection[0]
534 # Close the last started group
535 grpid = staves[prev_start].start.keys () [0]
536 # Find the corresponding closing tag and remove it!
539 while j < len (staves) and not foundclosing:
540 if isinstance (staves[j], PartGroupInfo) and staves[j].end.has_key (grpid):
542 del staves[j].end[grpid]
543 if staves[j].is_empty ():
546 grpobj = staves[prev_start].start[grpid]
547 group = read_score_group (grpobj)
548 # remove the id from both the start and end
549 if el.end.has_key (grpid):
551 del staves[prev_start].start[grpid]
554 # replace the staves with the whole group
555 for j in staves[(prev_start + 1):pos]:
556 group.append_staff (j)
557 del staves[(prev_start + 1):pos]
558 staves.insert (prev_start + 1, group)
559 # reset pos so that we continue at the correct position
561 # remove an empty start group
562 if staves[prev_start].is_empty ():
563 del staves[prev_start]
564 group_starts.remove (prev_start)
566 elif len (el.start) > 0: # starts new part groups
567 group_starts.append (pos)
570 if len (staves) == 1:
573 structure.append_staff (i)
577 def musicxml_duration_to_lily (mxl_note):
578 # if the note has no Type child, then that method returns None. In that case,
579 # use the <duration> tag instead. If that doesn't exist, either -> Error
580 dur = mxl_note.get_duration_info ()
582 d = musicexp.Duration ()
583 d.duration_log = dur[0]
585 # Grace notes by specification have duration 0, so no time modification
586 # factor is possible. It even messes up the output with *0/1
587 if not mxl_note.get_maybe_exist_typed_child (musicxml.Grace):
588 d.factor = mxl_note._duration / d.get_length ()
592 if mxl_note._duration > 0:
593 return rational_to_lily_duration (mxl_note._duration)
595 mxl_note.message (_ ("Encountered note at %s without type and duration (=%s)") % (mxl_note.start, mxl_note._duration) )
599 def rational_to_lily_duration (rational_len):
600 d = musicexp.Duration ()
602 rational_len.normalize_self ()
603 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)
605 # Duration of the form 1/2^n or 3/2^n can be converted to a simple lilypond duration
606 dots = {1: 0, 3: 1, 7: 2, 15: 3, 31: 4, 63: 5, 127: 6}.get (rational_len.numerator(), -1)
607 if ( d_log >= dots >= 0 ):
608 # account for the dots!
609 d.duration_log = d_log - dots
612 d.duration_log = d_log
613 d.factor = Rational (rational_len.numerator ())
615 error_message (_ ("Encountered rational duration with denominator %s, "
616 "unable to convert to lilypond duration") %
617 rational_len.denominator ())
618 # TODO: Test the above error message
623 def musicxml_partial_to_lily (partial_len):
625 p = musicexp.Partial ()
626 p.partial = rational_to_lily_duration (partial_len)
631 # Detect repeats and alternative endings in the chord event list (music_list)
632 # and convert them to the corresponding musicexp objects, containing nested
634 def group_repeats (music_list):
635 repeat_replaced = True
638 # Walk through the list of expressions, looking for repeat structure
639 # (repeat start/end, corresponding endings). If we find one, try to find the
640 # last event of the repeat, replace the whole structure and start over again.
641 # For nested repeats, as soon as we encounter another starting repeat bar,
642 # treat that one first, and start over for the outer repeat.
643 while repeat_replaced and i < 100:
645 repeat_start = -1 # position of repeat start / end
646 repeat_end = -1 # position of repeat start / end
648 ending_start = -1 # position of current ending start
649 endings = [] # list of already finished endings
651 last = len (music_list) - 1
652 repeat_replaced = False
654 while pos < len (music_list) and not repeat_replaced:
656 repeat_finished = False
657 if isinstance (e, RepeatMarker):
658 if not repeat_times and e.times:
659 repeat_times = e.times
660 if e.direction == -1:
662 repeat_finished = True
668 elif e.direction == 1:
674 elif isinstance (e, EndingMarker):
675 if e.direction == -1:
681 elif e.direction == 1:
684 endings.append ([ending_start, pos])
687 elif not isinstance (e, musicexp.BarLine):
688 # As soon as we encounter an element when repeat start and end
689 # is set and we are not inside an alternative ending,
690 # this whole repeat structure is finished => replace it
691 if repeat_start >= 0 and repeat_end > 0 and ending_start < 0:
692 repeat_finished = True
694 # Finish off all repeats without explicit ending bar (e.g. when
695 # we convert only one page of a multi-page score with repeats)
696 if pos == last and repeat_start >= 0:
697 repeat_finished = True
701 if ending_start >= 0:
702 endings.append ([ending_start, pos])
706 # We found the whole structure replace it!
707 r = musicexp.RepeatedMusic ()
708 if repeat_times <= 0:
710 r.repeat_count = repeat_times
711 # don't erase the first element for "implicit" repeats (i.e. no
712 # starting repeat bars at the very beginning)
713 start = repeat_start+1
714 if repeat_start == music_start:
716 r.set_music (music_list[start:repeat_end])
717 for (start, end) in endings:
718 s = musicexp.SequentialMusic ()
719 s.elements = music_list[start+1:end]
721 del music_list[repeat_start:final_marker+1]
722 music_list.insert (repeat_start, r)
723 repeat_replaced = True
725 # TODO: Implement repeats until the end without explicit ending bar
729 # Extract the settings for tuplets from the <notations><tuplet> and the
730 # <time-modification> elements of the note:
731 def musicxml_tuplet_to_lily (tuplet_elt, time_modification):
732 tsm = musicexp.TimeScaledMusic ()
734 if time_modification:
735 fraction = time_modification.get_fraction ()
736 tsm.numerator = fraction[0]
737 tsm.denominator = fraction[1]
740 normal_type = tuplet_elt.get_normal_type ()
741 if not normal_type and time_modification:
742 normal_type = time_modification.get_normal_type ()
743 if not normal_type and time_modification:
744 note = time_modification.get_parent ()
746 normal_type = note.get_duration_info ()
748 normal_note = musicexp.Duration ()
749 (normal_note.duration_log, normal_note.dots) = normal_type
750 tsm.normal_type = normal_note
752 actual_type = tuplet_elt.get_actual_type ()
754 actual_note = musicexp.Duration ()
755 (actual_note.duration_log, actual_note.dots) = actual_type
756 tsm.actual_type = actual_note
758 # Obtain non-default nrs of notes from the tuplet object!
759 tsm.display_numerator = tuplet_elt.get_normal_nr ()
760 tsm.display_denominator = tuplet_elt.get_actual_nr ()
763 if hasattr (tuplet_elt, 'bracket') and tuplet_elt.bracket == "no":
764 tsm.display_bracket = None
765 elif hasattr (tuplet_elt, 'line-shape') and getattr (tuplet_elt, 'line-shape') == "curved":
766 tsm.display_bracket = "curved"
768 tsm.display_bracket = "bracket"
770 display_values = {"none": None, "actual": "actual", "both": "both"}
771 if hasattr (tuplet_elt, "show-number"):
772 tsm.display_number = display_values.get (getattr (tuplet_elt, "show-number"), "actual")
774 if hasattr (tuplet_elt, "show-type"):
775 tsm.display_type = display_values.get (getattr (tuplet_elt, "show-type"), None)
780 def group_tuplets (music_list, events):
783 """Collect Musics from
784 MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
792 for (ev_chord, tuplet_elt, time_modification) in events:
793 while (j < len (music_list)):
794 if music_list[j] == ev_chord:
798 if hasattr (tuplet_elt, 'number'):
799 nr = getattr (tuplet_elt, 'number')
800 if tuplet_elt.type == 'start':
801 tuplet_object = musicxml_tuplet_to_lily (tuplet_elt, time_modification)
802 tuplet_info = [j, None, tuplet_object]
803 indices.append (tuplet_info)
804 brackets[nr] = tuplet_info
805 elif tuplet_elt.type == 'stop':
806 bracket_info = brackets.get (nr, None)
808 bracket_info[1] = j # Set the ending position to j
813 for (i1, i2, tsm) in indices:
817 new_list.extend (music_list[last:i1])
818 seq = musicexp.SequentialMusic ()
820 seq.elements = music_list[i1:last]
824 new_list.append (tsm)
825 #TODO: Handle nested tuplets!!!!
827 new_list.extend (music_list[last:])
831 def musicxml_clef_to_lily (attributes):
832 change = musicexp.ClefChange ()
833 (change.type, change.position, change.octave) = attributes.get_clef_information ()
836 def musicxml_time_to_lily (attributes):
837 sig = attributes.get_time_signature ()
840 change = musicexp.TimeSignatureChange()
841 change.fractions = sig
842 if (len(sig) != 2) or isinstance (sig[0], list):
843 needed_additional_definitions.append ("compound-time-signature")
845 time_elm = attributes.get_maybe_exist_named_child ('time')
846 if time_elm and hasattr (time_elm, 'symbol'):
847 change.style = { 'single-number': "'single-digit",
850 'normal': "'()"}.get (time_elm.symbol, "'()")
854 # TODO: Handle senza-misura measures
855 # TODO: Handle hidden time signatures (print-object="no")
856 # TODO: What shall we do if the symbol clashes with the sig? e.g. "cut"
857 # with 3/8 or "single-number" with (2+3)/8 or 3/8+2/4?
861 def musicxml_key_to_lily (attributes):
862 key_sig = attributes.get_key_signature ()
863 if not key_sig or not (isinstance (key_sig, list) or isinstance (key_sig, tuple)):
864 error_message (_ ("Unable to extract key signature!"))
867 change = musicexp.KeySignatureChange()
869 if len (key_sig) == 2 and not isinstance (key_sig[0], list):
870 # standard key signature, (fifths, mode)
871 (fifths, mode) = key_sig
874 start_pitch = musicexp.Pitch ()
875 start_pitch.octave = 0
889 start_pitch.alteration = a
891 error_message (_ ("unknown mode %s, expecting 'major' or 'minor' "
892 "or a church mode!") % mode)
894 fifth = musicexp.Pitch()
900 for x in range (fifths):
901 start_pitch = start_pitch.transposed (fifth)
902 change.tonic = start_pitch
905 # Non-standard key signature of the form [[step,alter<,octave>],...]
906 # MusicXML contains C,D,E,F,G,A,B as steps, lily uses 0-7, so convert
909 k[0] = musicxml_step_to_lily (k[0])
910 alterations.append (k)
911 change.non_standard_alterations = alterations
914 def musicxml_transpose_to_lily (attributes):
915 transpose = attributes.get_transposition ()
919 shift = musicexp.Pitch ()
920 octave_change = transpose.get_maybe_exist_named_child ('octave-change')
922 shift.octave = string.atoi (octave_change.get_text ())
923 chromatic_shift = string.atoi (transpose.get_named_child ('chromatic').get_text ())
924 chromatic_shift_normalized = chromatic_shift % 12;
925 (shift.step, shift.alteration) = [
926 (0,0), (0,1), (1,0), (2,-1), (2,0),
927 (3,0), (3,1), (4,0), (5,-1), (5,0),
928 (6,-1), (6,0)][chromatic_shift_normalized];
930 shift.octave += (chromatic_shift - chromatic_shift_normalized) / 12
932 diatonic = transpose.get_maybe_exist_named_child ('diatonic')
934 diatonic_step = string.atoi (diatonic.get_text ()) % 7
935 if diatonic_step != shift.step:
936 # We got the alter incorrect!
937 old_semitones = shift.semitones ()
938 shift.step = diatonic_step
939 new_semitones = shift.semitones ()
940 shift.alteration += old_semitones - new_semitones
942 transposition = musicexp.Transposition ()
943 transposition.pitch = musicexp.Pitch ().transposed (shift)
946 def musicxml_staff_details_to_lily (attributes):
947 details = attributes.get_maybe_exist_named_child ('staff-details')
951 ## TODO: Handle staff-type, staff-lines, staff-tuning, capo, staff-size
954 stafflines = details.get_maybe_exist_named_child ('staff-lines')
956 lines = string.atoi (stafflines.get_text ());
957 lines_event = musicexp.StaffLinesEvent (lines);
958 ret.append (lines_event);
963 def musicxml_attributes_to_lily (attrs):
966 'clef': musicxml_clef_to_lily,
967 'time': musicxml_time_to_lily,
968 'key': musicxml_key_to_lily,
969 'transpose': musicxml_transpose_to_lily,
970 'staff-details': musicxml_staff_details_to_lily,
972 for (k, func) in attr_dispatch.items ():
973 children = attrs.get_named_children (k)
976 if isinstance (ev, list):
984 def extract_display_text (el):
985 child = el.get_maybe_exist_named_child ("display-text")
987 return child.get_text ()
992 def musicxml_print_to_lily (el):
993 # TODO: Implement other print attributes
994 # <!ELEMENT print (page-layout?, system-layout?, staff-layout*,
995 # measure-layout?, measure-numbering?, part-name-display?,
996 # part-abbreviation-display?)>
998 # staff-spacing %tenths; #IMPLIED
999 # new-system %yes-no; #IMPLIED
1000 # new-page %yes-no-number; #IMPLIED
1001 # blank-page NMTOKEN #IMPLIED
1002 # page-number CDATA #IMPLIED
1005 if (hasattr (el, "new-system") and conversion_settings.convert_page_layout):
1006 val = getattr (el, "new-system")
1008 elts.append (musicexp.Break ("break"))
1009 if (hasattr (el, "new-page") and conversion_settings.convert_page_layout):
1010 val = getattr (el, "new-page")
1012 elts.append (musicexp.Break ("pageBreak"))
1013 child = el.get_maybe_exist_named_child ("part-name-display")
1015 elts.append (musicexp.SetEvent ("Staff.instrumentName",
1016 "\"%s\"" % extract_display_text (child)))
1017 child = el.get_maybe_exist_named_child ("part-abbreviation-display")
1019 elts.append (musicexp.SetEvent ("Staff.shortInstrumentName",
1020 "\"%s\"" % extract_display_text (child)))
1024 class Marker (musicexp.Music):
1025 def __init__ (self):
1028 def print_ly (self, printer):
1029 ly.stderr_write (_ ("Encountered unprocessed marker %s\n") % self)
1031 def ly_expression (self):
1033 class RepeatMarker (Marker):
1034 def __init__ (self):
1035 Marker.__init__ (self)
1037 class EndingMarker (Marker):
1040 # Convert the <barline> element to musicxml.BarLine (for non-standard barlines)
1041 # and to RepeatMarker and EndingMarker objects for repeat and
1042 # alternatives start/stops
1043 def musicxml_barline_to_lily (barline):
1044 # retval contains all possible markers in the order:
1045 # 0..bw_ending, 1..bw_repeat, 2..barline, 3..fw_repeat, 4..fw_ending
1047 bartype_element = barline.get_maybe_exist_named_child ("bar-style")
1048 repeat_element = barline.get_maybe_exist_named_child ("repeat")
1049 ending_element = barline.get_maybe_exist_named_child ("ending")
1053 bartype = bartype_element.get_text ()
1055 if repeat_element and hasattr (repeat_element, 'direction'):
1056 repeat = RepeatMarker ()
1057 repeat.direction = {"forward": -1, "backward": 1}.get (repeat_element.direction, 0)
1059 if ( (repeat_element.direction == "forward" and bartype == "heavy-light") or
1060 (repeat_element.direction == "backward" and bartype == "light-heavy") ):
1062 if hasattr (repeat_element, 'times'):
1064 repeat.times = int (repeat_element.times)
1067 repeat.event = barline
1068 if repeat.direction == -1:
1073 if ending_element and hasattr (ending_element, 'type'):
1074 ending = EndingMarker ()
1075 ending.direction = {"start": -1, "stop": 1, "discontinue": 1}.get (ending_element.type, 0)
1076 ending.event = barline
1077 if ending.direction == -1:
1083 b = musicexp.BarLine ()
1087 return retval.values ()
1089 spanner_event_dict = {
1090 'beam' : musicexp.BeamEvent,
1091 'dashes' : musicexp.TextSpannerEvent,
1092 'bracket' : musicexp.BracketSpannerEvent,
1093 'glissando' : musicexp.GlissandoEvent,
1094 'octave-shift' : musicexp.OctaveShiftEvent,
1095 'pedal' : musicexp.PedalEvent,
1096 'slide' : musicexp.GlissandoEvent,
1097 'slur' : musicexp.SlurEvent,
1098 'wavy-line' : musicexp.TrillSpanEvent,
1099 'wedge' : musicexp.HairpinEvent
1101 spanner_type_dict = {
1115 def musicxml_spanner_to_lily_event (mxl_event):
1118 name = mxl_event.get_name()
1119 func = spanner_event_dict.get (name)
1123 error_message (_ ('unknown span event %s') % mxl_event)
1126 type = mxl_event.get_type ()
1127 span_direction = spanner_type_dict.get (type)
1128 # really check for None, because some types will be translated to 0, which
1129 # would otherwise also lead to the unknown span warning
1130 if span_direction != None:
1131 ev.span_direction = span_direction
1133 error_message (_ ('unknown span type %s for %s') % (type, name))
1135 ev.set_span_type (type)
1136 ev.line_type = getattr (mxl_event, 'line-type', 'solid')
1138 # assign the size, which is used for octave-shift, etc.
1139 ev.size = mxl_event.get_size ()
1143 def musicxml_direction_to_indicator (direction):
1144 return { "above": 1, "upright": 1, "up": 1, "below": -1, "downright": -1, "down": -1, "inverted": -1 }.get (direction, 0)
1146 def musicxml_fermata_to_lily_event (mxl_event):
1147 ev = musicexp.ArticulationEvent ()
1148 txt = mxl_event.get_text ()
1149 # The contents of the element defined the shape, possible are normal, angled and square
1150 ev.type = { "angled": "shortfermata", "square": "longfermata" }.get (txt, "fermata")
1151 if hasattr (mxl_event, 'type'):
1152 dir = musicxml_direction_to_indicator (mxl_event.type)
1153 if dir and options.convert_directions:
1154 ev.force_direction = dir
1157 def musicxml_arpeggiate_to_lily_event (mxl_event):
1158 ev = musicexp.ArpeggioEvent ()
1159 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
1162 def musicxml_nonarpeggiate_to_lily_event (mxl_event):
1163 ev = musicexp.ArpeggioEvent ()
1164 ev.non_arpeggiate = True
1165 ev.direction = musicxml_direction_to_indicator (getattr (mxl_event, 'direction', None))
1168 def musicxml_tremolo_to_lily_event (mxl_event):
1169 ev = musicexp.TremoloEvent ()
1170 txt = mxl_event.get_text ()
1177 def musicxml_falloff_to_lily_event (mxl_event):
1178 ev = musicexp.BendEvent ()
1182 def musicxml_doit_to_lily_event (mxl_event):
1183 ev = musicexp.BendEvent ()
1187 def musicxml_bend_to_lily_event (mxl_event):
1188 ev = musicexp.BendEvent ()
1189 ev.alter = mxl_event.bend_alter ()
1192 def musicxml_caesura_to_lily_event (mxl_event):
1193 ev = musicexp.MarkupEvent ()
1194 # FIXME: default to straight or curved caesura?
1195 ev.contents = "\\musicglyph #\"scripts.caesura.straight\""
1196 ev.force_direction = 1
1199 def musicxml_fingering_event (mxl_event):
1200 ev = musicexp.ShortArticulationEvent ()
1201 ev.type = mxl_event.get_text ()
1204 def musicxml_string_event (mxl_event):
1205 ev = musicexp.NoDirectionArticulationEvent ()
1206 ev.type = mxl_event.get_text ()
1209 def musicxml_accidental_mark (mxl_event):
1210 ev = musicexp.MarkupEvent ()
1211 contents = { "sharp": "\\sharp",
1212 "natural": "\\natural",
1214 "double-sharp": "\\doublesharp",
1215 "sharp-sharp": "\\sharp\\sharp",
1216 "flat-flat": "\\flat\\flat",
1217 "flat-flat": "\\doubleflat",
1218 "natural-sharp": "\\natural\\sharp",
1219 "natural-flat": "\\natural\\flat",
1220 "quarter-flat": "\\semiflat",
1221 "quarter-sharp": "\\semisharp",
1222 "three-quarters-flat": "\\sesquiflat",
1223 "three-quarters-sharp": "\\sesquisharp",
1224 }.get (mxl_event.get_text ())
1226 ev.contents = contents
1231 # translate articulations, ornaments and other notations into ArticulationEvents
1233 # -) string (ArticulationEvent with that name)
1234 # -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
1235 # -) (class, name) (like string, only that a different class than ArticulationEvent is used)
1236 # TODO: Some translations are missing!
1237 articulations_dict = {
1238 "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
1239 "accidental-mark": musicxml_accidental_mark,
1240 "bend": musicxml_bend_to_lily_event,
1241 "breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
1242 "caesura": musicxml_caesura_to_lily_event,
1243 #"delayed-turn": "?",
1244 "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
1245 "doit": musicxml_doit_to_lily_event,
1246 #"double-tongue": "?",
1247 "down-bow": "downbow",
1248 "falloff": musicxml_falloff_to_lily_event,
1249 "fingering": musicxml_fingering_event,
1250 #"fingernails": "?",
1253 "harmonic": "flageolet",
1255 "inverted-mordent": "prall",
1256 "inverted-turn": "reverseturn",
1257 "mordent": "mordent",
1258 "open-string": "open",
1265 "snap-pizzicato": "snappizzicato",
1267 "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
1268 "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
1269 "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
1271 "string": musicxml_string_event,
1272 "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
1274 "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
1275 "thumb-position": "thumb",
1278 "tremolo": musicxml_tremolo_to_lily_event,
1279 "trill-mark": "trill",
1280 #"triple-tongue": "?",
1285 articulation_spanners = [ "wavy-line" ]
1287 def musicxml_articulation_to_lily_event (mxl_event):
1288 # wavy-line elements are treated as trill spanners, not as articulation ornaments
1289 if mxl_event.get_name () in articulation_spanners:
1290 return musicxml_spanner_to_lily_event (mxl_event)
1292 tmp_tp = articulations_dict.get (mxl_event.get_name ())
1296 if isinstance (tmp_tp, str):
1297 ev = musicexp.ArticulationEvent ()
1299 elif isinstance (tmp_tp, tuple):
1303 ev = tmp_tp (mxl_event)
1305 # Some articulations use the type attribute, other the placement...
1307 if hasattr (mxl_event, 'type') and options.convert_directions:
1308 dir = musicxml_direction_to_indicator (mxl_event.type)
1309 if hasattr (mxl_event, 'placement') and options.convert_directions:
1310 dir = musicxml_direction_to_indicator (mxl_event.placement)
1312 ev.force_direction = dir
1317 def musicxml_dynamics_to_lily_event (dynentry):
1318 dynamics_available = (
1319 "ppppp", "pppp", "ppp", "pp", "p", "mp", "mf",
1320 "f", "ff", "fff", "ffff", "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" )
1321 dynamicsname = dynentry.get_name ()
1322 if dynamicsname == "other-dynamics":
1323 dynamicsname = dynentry.get_text ()
1324 if not dynamicsname or dynamicsname=="#text":
1327 if not dynamicsname in dynamics_available:
1328 # Get rid of - in tag names (illegal in ly tags!)
1329 dynamicstext = dynamicsname
1330 dynamicsname = string.replace (dynamicsname, "-", "")
1331 additional_definitions[dynamicsname] = dynamicsname + \
1332 " = #(make-dynamic-script \"" + dynamicstext + "\")"
1333 needed_additional_definitions.append (dynamicsname)
1334 event = musicexp.DynamicsEvent ()
1335 event.type = dynamicsname
1338 # Convert single-color two-byte strings to numbers 0.0 - 1.0
1339 def hexcolorval_to_nr (hex_val):
1341 v = int (hex_val, 16)
1348 def hex_to_color (hex_val):
1349 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)
1351 return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
1355 def musicxml_words_to_lily_event (words):
1356 event = musicexp.TextEvent ()
1357 text = words.get_text ()
1358 text = re.sub ('^ *\n? *', '', text)
1359 text = re.sub (' *\n? *$', '', text)
1362 if hasattr (words, 'default-y') and options.convert_directions:
1363 offset = getattr (words, 'default-y')
1365 off = string.atoi (offset)
1367 event.force_direction = 1
1369 event.force_direction = -1
1371 event.force_direction = 0
1373 if hasattr (words, 'font-weight'):
1374 font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
1376 event.markup += font_weight
1378 if hasattr (words, 'font-size'):
1379 size = getattr (words, 'font-size')
1381 "xx-small": '\\teeny',
1382 "x-small": '\\tiny',
1386 "x-large": '\\huge',
1387 "xx-large": '\\larger\\huge'
1390 event.markup += font_size
1392 if hasattr (words, 'color'):
1393 color = getattr (words, 'color')
1394 rgb = hex_to_color (color)
1396 event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
1398 if hasattr (words, 'font-style'):
1399 font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
1401 event.markup += font_style
1403 # TODO: How should I best convert the font-family attribute?
1405 # TODO: How can I represent the underline, overline and line-through
1406 # attributes in LilyPond? Values of these attributes indicate
1407 # the number of lines
1412 # convert accordion-registration to lilypond.
1413 # Since lilypond does not have any built-in commands, we need to create
1414 # the markup commands manually and define our own variables.
1415 # Idea was taken from: http://lsr.dsi.unimi.it/LSR/Item?id=194
1416 def musicxml_accordion_to_markup (mxl_event):
1417 commandname = "accReg"
1420 high = mxl_event.get_maybe_exist_named_child ('accordion-high')
1423 command += """\\combine
1424 \\raise #2.5 \\musicglyph #\"accordion.dot\"
1426 middle = mxl_event.get_maybe_exist_named_child ('accordion-middle')
1428 # By default, use one dot (when no or invalid content is given). The
1429 # MusicXML spec is quiet about this case...
1432 txt = string.atoi (middle.get_text ())
1436 commandname += "MMM"
1437 command += """\\combine
1438 \\raise #1.5 \\musicglyph #\"accordion.dot\"
1440 \\raise #1.5 \\translate #(cons 1 0) \\musicglyph #\"accordion.dot\"
1442 \\raise #1.5 \\translate #(cons -1 0) \\musicglyph #\"accordion.dot\"
1446 command += """\\combine
1447 \\raise #1.5 \\translate #(cons 0.5 0) \\musicglyph #\"accordion.dot\"
1449 \\raise #1.5 \\translate #(cons -0.5 0) \\musicglyph #\"accordion.dot\"
1453 command += """\\combine
1454 \\raise #1.5 \\musicglyph #\"accordion.dot\"
1456 low = mxl_event.get_maybe_exist_named_child ('accordion-low')
1459 command += """\\combine
1460 \\raise #0.5 \musicglyph #\"accordion.dot\"
1463 command += "\musicglyph #\"accordion.discant\""
1464 command = "\\markup { \\normalsize %s }" % command
1465 # Define the newly built command \accReg[H][MMM][L]
1466 additional_definitions[commandname] = "%s = %s" % (commandname, command)
1467 needed_additional_definitions.append (commandname)
1468 return "\\%s" % commandname
1470 def musicxml_accordion_to_ly (mxl_event):
1471 txt = musicxml_accordion_to_markup (mxl_event)
1473 ev = musicexp.MarkEvent (txt)
1478 def musicxml_rehearsal_to_ly_mark (mxl_event):
1479 text = mxl_event.get_text ()
1482 # default is boxed rehearsal marks!
1484 if hasattr (mxl_event, 'enclosure'):
1485 encl = {"none": None, "square": "box", "circle": "circle" }.get (mxl_event.enclosure, None)
1487 text = "\\%s { %s }" % (encl, text)
1488 ev = musicexp.MarkEvent ("\\markup { %s }" % text)
1491 def musicxml_harp_pedals_to_ly (mxl_event):
1493 result = "\\harp-pedal #\""
1494 for t in mxl_event.get_named_children ('pedal-tuning'):
1495 alter = t.get_named_child ('pedal-alter')
1497 val = int (alter.get_text ().strip ())
1498 result += {1: "v", 0: "-", -1: "^"}.get (val, "")
1502 ev = musicexp.MarkupEvent ()
1503 ev.contents = result + "\""
1506 def musicxml_eyeglasses_to_ly (mxl_event):
1507 needed_additional_definitions.append ("eyeglasses")
1508 return musicexp.MarkEvent ("\\markup { \\eyeglasses }")
1510 def next_non_hash_index (lst, pos):
1512 while pos < len (lst) and isinstance (lst[pos], musicxml.Hash_text):
1516 def musicxml_metronome_to_ly (mxl_event):
1517 children = mxl_event.get_all_children ()
1522 index = next_non_hash_index (children, index)
1523 if isinstance (children[index], musicxml.BeatUnit):
1524 # first form of metronome-mark, using unit and beats/min or other unit
1525 ev = musicexp.TempoMark ()
1526 if hasattr (mxl_event, 'parentheses'):
1527 ev.set_parentheses (mxl_event.parentheses == "yes")
1529 d = musicexp.Duration ()
1530 d.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1531 index = next_non_hash_index (children, index)
1532 if isinstance (children[index], musicxml.BeatUnitDot):
1534 index = next_non_hash_index (children, index)
1535 ev.set_base_duration (d)
1536 if isinstance (children[index], musicxml.BeatUnit):
1537 # Form "note = newnote"
1538 newd = musicexp.Duration ()
1539 newd.duration_log = musicxml.musicxml_duration_to_log (children[index].get_text ())
1540 index = next_non_hash_index (children, index)
1541 if isinstance (children[index], musicxml.BeatUnitDot):
1543 index = next_non_hash_index (children, index)
1544 ev.set_new_duration (newd)
1545 elif isinstance (children[index], musicxml.PerMinute):
1548 beats = int (children[index].get_text ())
1549 ev.set_beats_per_minute (beats)
1553 error_message (_ ("Unknown metronome mark, ignoring"))
1557 #TODO: Implement the other (more complex) way for tempo marks!
1558 error_message (_ ("Metronome marks with complex relations (<metronome-note> in MusicXML) are not yet implemented."))
1561 # translate directions into Events, possible values:
1562 # -) string (MarkEvent with that command)
1563 # -) function (function(mxl_event) needs to return a full Event-derived object
1564 # -) (class, name) (like string, only that a different class than MarkEvent is used)
1566 'accordion-registration' : musicxml_accordion_to_ly,
1567 'coda' : (musicexp.MusicGlyphMarkEvent, "coda"),
1570 'eyeglasses': musicxml_eyeglasses_to_ly,
1571 'harp-pedals' : musicxml_harp_pedals_to_ly,
1573 'metronome' : musicxml_metronome_to_ly,
1574 'rehearsal' : musicxml_rehearsal_to_ly_mark,
1575 # 'scordatura' : ???
1576 'segno' : (musicexp.MusicGlyphMarkEvent, "segno"),
1577 'words' : musicxml_words_to_lily_event,
1579 directions_spanners = [ 'octave-shift', 'pedal', 'wedge', 'dashes', 'bracket' ]
1581 def musicxml_direction_to_lily (n):
1582 # TODO: Handle the <staff> element!
1584 # placement applies to all children!
1586 if hasattr (n, 'placement') and options.convert_directions:
1587 dir = musicxml_direction_to_indicator (n.placement)
1588 dirtype_children = []
1589 # TODO: The direction-type is used for grouping (e.g. dynamics with text),
1590 # so we can't simply flatten them out!
1591 for dt in n.get_typed_children (musicxml.DirType):
1592 dirtype_children += dt.get_all_children ()
1594 for entry in dirtype_children:
1595 # backets, dashes, octave shifts. pedal marks, hairpins etc. are spanners:
1596 if entry.get_name() in directions_spanners:
1597 event = musicxml_spanner_to_lily_event (entry)
1602 # now treat all the "simple" ones, that can be translated using the dict
1604 tmp_tp = directions_dict.get (entry.get_name (), None)
1605 if isinstance (tmp_tp, str): # string means MarkEvent
1606 ev = musicexp.MarkEvent (tmp_tp)
1607 elif isinstance (tmp_tp, tuple): # tuple means (EventClass, "text")
1608 ev = tmp_tp[0] (tmp_tp[1])
1612 # TODO: set the correct direction! Unfortunately, \mark in ly does
1613 # not seem to support directions!
1614 ev.force_direction = dir
1618 if entry.get_name () == "dynamics":
1619 for dynentry in entry.get_all_children ():
1620 ev = musicxml_dynamics_to_lily_event (dynentry)
1626 def musicxml_frame_to_lily_event (frame):
1627 ev = musicexp.FretEvent ()
1628 ev.strings = frame.get_strings ()
1629 ev.frets = frame.get_frets ()
1630 #offset = frame.get_first_fret () - 1
1632 for fn in frame.get_named_children ('frame-note'):
1633 fret = fn.get_fret ()
1636 el = [ fn.get_string (), fret ]
1637 fingering = fn.get_fingering ()
1639 el.append (fingering)
1640 ev.elements.append (el)
1643 barre[0] = el[0] # start string
1644 barre[2] = el[1] # fret
1646 barre[1] = el[0] # end string
1651 def musicxml_harmony_to_lily (n):
1653 for f in n.get_named_children ('frame'):
1654 ev = musicxml_frame_to_lily_event (f)
1660 notehead_styles_dict = {
1662 'triangle': '\'triangle',
1663 'diamond': '\'diamond',
1664 'square': '\'la', # TODO: Proper squared note head
1665 'cross': None, # TODO: + shaped note head
1667 'circle-x': '\'xcircle',
1668 'inverted triangle': None, # TODO: Implement
1669 'arrow down': None, # TODO: Implement
1670 'arrow up': None, # TODO: Implement
1671 'slashed': None, # TODO: Implement
1672 'back slashed': None, # TODO: Implement
1674 'cluster': None, # TODO: Implement
1685 def musicxml_notehead_to_lily (nh):
1689 style = notehead_styles_dict.get (nh.get_text ().strip (), None)
1690 style_elm = musicexp.NotestyleEvent ()
1692 style_elm.style = style
1693 if hasattr (nh, 'filled'):
1694 style_elm.filled = (getattr (nh, 'filled') == "yes")
1695 if style_elm.style or (style_elm.filled != None):
1696 styles.append (style_elm)
1699 if hasattr (nh, 'parentheses') and (nh.parentheses == "yes"):
1700 styles.append (musicexp.ParenthesizeEvent ())
1704 def musicxml_chordpitch_to_lily (mxl_cpitch):
1705 r = musicexp.ChordPitch ()
1706 r.alteration = mxl_cpitch.get_alteration ()
1707 r.step = musicxml_step_to_lily (mxl_cpitch.get_step ())
1713 'augmented': 'aug5',
1714 'diminished': 'dim5',
1717 'dominant-seventh': '7',
1718 'major-seventh': 'maj7',
1719 'minor-seventh': 'm7',
1720 'diminished-seventh': 'dim7',
1721 'augmented-seventh': 'aug7',
1722 'half-diminished': 'dim5m7',
1723 'major-minor': 'maj7m5',
1726 'minor-sixth': 'm6',
1728 'dominant-ninth': '9',
1729 'major-ninth': 'maj9',
1730 'minor-ninth': 'm9',
1731 # 11ths (usually as the basis for alteration):
1732 'dominant-11th': '11',
1733 'major-11th': 'maj11',
1734 'minor-11th': 'm11',
1735 # 13ths (usually as the basis for alteration):
1736 'dominant-13th': '13.11',
1737 'major-13th': 'maj13.11',
1738 'minor-13th': 'm13',
1740 'suspended-second': 'sus2',
1741 'suspended-fourth': 'sus4',
1742 # Functional sixths:
1744 #'Neapolitan': '???',
1749 #'pedal': '???',(pedal-point bass)
1756 def musicxml_chordkind_to_lily (kind):
1757 res = chordkind_dict.get (kind, None)
1758 # Check for None, since a major chord is converted to ''
1760 error_message (_ ("Unable to convert chord type %s to lilypond.") % kind)
1763 def musicxml_harmony_to_lily_chordname (n):
1765 root = n.get_maybe_exist_named_child ('root')
1767 ev = musicexp.ChordNameEvent ()
1768 ev.root = musicxml_chordpitch_to_lily (root)
1769 kind = n.get_maybe_exist_named_child ('kind')
1771 ev.kind = musicxml_chordkind_to_lily (kind.get_text ())
1774 bass = n.get_maybe_exist_named_child ('bass')
1776 ev.bass = musicxml_chordpitch_to_lily (bass)
1777 inversion = n.get_maybe_exist_named_child ('inversion')
1779 # TODO: LilyPond does not support inversions, does it?
1781 # Mail from Carl Sorensen on lilypond-devel, June 11, 2008:
1782 # 4. LilyPond supports the first inversion in the form of added
1783 # bass notes. So the first inversion of C major would be c:/g.
1784 # To get the second inversion of C major, you would need to do
1785 # e:6-3-^5 or e:m6-^5. However, both of these techniques
1786 # require you to know the chord and calculate either the fifth
1787 # pitch (for the first inversion) or the third pitch (for the
1788 # second inversion) so they may not be helpful for musicxml2ly.
1789 inversion_count = string.atoi (inversion.get_text ())
1790 if inversion_count == 1:
1791 # TODO: Calculate the bass note for the inversion...
1794 for deg in n.get_named_children ('degree'):
1795 d = musicexp.ChordModification ()
1796 d.type = deg.get_type ()
1797 d.step = deg.get_value ()
1798 d.alteration = deg.get_alter ()
1799 ev.add_modification (d)
1800 #TODO: convert the user-symbols attribute:
1801 #major: a triangle, like Unicode 25B3
1802 #minor: -, like Unicode 002D
1803 #augmented: +, like Unicode 002B
1804 #diminished: (degree), like Unicode 00B0
1805 #half-diminished: (o with slash), like Unicode 00F8
1811 def musicxml_figured_bass_note_to_lily (n):
1812 res = musicexp.FiguredBassNote ()
1813 suffix_dict = { 'sharp' : "+",
1816 'double-sharp' : "++",
1818 'sharp-sharp' : "++",
1820 prefix = n.get_maybe_exist_named_child ('prefix')
1822 res.set_prefix (suffix_dict.get (prefix.get_text (), ""))
1823 fnumber = n.get_maybe_exist_named_child ('figure-number')
1825 res.set_number (fnumber.get_text ())
1826 suffix = n.get_maybe_exist_named_child ('suffix')
1828 res.set_suffix (suffix_dict.get (suffix.get_text (), ""))
1829 if n.get_maybe_exist_named_child ('extend'):
1830 # TODO: Implement extender lines (unfortunately, in lilypond you have
1831 # to use \set useBassFigureExtenders = ##t, which turns them on
1832 # globally, while MusicXML has a property for each note...
1833 # I'm not sure there is a proper way to implement this cleanly
1840 def musicxml_figured_bass_to_lily (n):
1841 if not isinstance (n, musicxml.FiguredBass):
1843 res = musicexp.FiguredBassEvent ()
1844 for i in n.get_named_children ('figure'):
1845 note = musicxml_figured_bass_note_to_lily (i)
1848 dur = n.get_maybe_exist_named_child ('duration')
1850 # apply the duration to res
1851 length = Rational(int(dur.get_text()), n._divisions)*Rational(1,4)
1852 res.set_real_duration (length)
1853 duration = rational_to_lily_duration (length)
1855 res.set_duration (duration)
1856 if hasattr (n, 'parentheses') and n.parentheses == "yes":
1857 res.set_parentheses (True)
1860 instrument_drumtype_dict = {
1861 'Acoustic Snare Drum': 'acousticsnare',
1862 'Side Stick': 'sidestick',
1863 'Open Triangle': 'opentriangle',
1864 'Mute Triangle': 'mutetriangle',
1865 'Tambourine': 'tambourine',
1866 'Bass Drum': 'bassdrum',
1869 def musicxml_note_to_lily_main_event (n):
1874 mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
1876 pitch = musicxml_pitch_to_lily (mxl_pitch)
1877 event = musicexp.NoteEvent ()
1880 acc = n.get_maybe_exist_named_child ('accidental')
1882 # let's not force accs everywhere.
1883 event.cautionary = acc.cautionary
1884 # TODO: Handle editorial accidentals
1885 # TODO: Handle the level-display setting for displaying brackets/parentheses
1887 elif n.get_maybe_exist_typed_child (musicxml.Unpitched):
1888 # Unpitched elements have display-step and can also have
1890 unpitched = n.get_maybe_exist_typed_child (musicxml.Unpitched)
1891 event = musicexp.NoteEvent ()
1892 event.pitch = musicxml_unpitched_to_lily (unpitched)
1894 elif n.get_maybe_exist_typed_child (musicxml.Rest):
1895 # rests can have display-octave and display-step, which are
1896 # treated like an ordinary note pitch
1897 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
1898 event = musicexp.RestEvent ()
1899 if options.convert_rest_positions:
1900 pitch = musicxml_restdisplay_to_lily (rest)
1903 elif n.instrument_name:
1904 event = musicexp.NoteEvent ()
1905 drum_type = instrument_drumtype_dict.get (n.instrument_name)
1907 event.drum_type = drum_type
1909 n.message (_ ("drum %s type unknown, please add to instrument_drumtype_dict") % n.instrument_name)
1910 event.drum_type = 'acousticsnare'
1913 n.message (_ ("cannot find suitable event"))
1916 event.duration = musicxml_duration_to_lily (n)
1918 noteheads = n.get_named_children ('notehead')
1919 for nh in noteheads:
1920 styles = musicxml_notehead_to_lily (nh)
1922 event.add_associated_event (s)
1926 def musicxml_lyrics_to_text (lyrics):
1927 # TODO: Implement text styles for lyrics syllables
1931 for e in lyrics.get_all_children ():
1932 if isinstance (e, musicxml.Syllabic):
1933 continued = e.continued ()
1934 elif isinstance (e, musicxml.Text):
1935 # We need to convert soft hyphens to -, otherwise the ascii codec as well
1936 # as lilypond will barf on that character
1937 text += string.replace( e.get_text(), u'\xad', '-' )
1938 elif isinstance (e, musicxml.Elision):
1943 elif isinstance (e, musicxml.Extend):
1948 if text == "-" and continued:
1950 elif text == "_" and extended:
1952 elif continued and text:
1953 return musicxml.escape_ly_output_string (text) + " --"
1956 elif extended and text:
1957 return musicxml.escape_ly_output_string (text) + " __"
1961 return musicxml.escape_ly_output_string (text)
1967 def __init__ (self, here, dest):
1971 class LilyPondVoiceBuilder:
1972 def __init__ (self):
1974 self.pending_dynamics = []
1975 self.end_moment = Rational (0)
1976 self.begin_moment = Rational (0)
1977 self.pending_multibar = Rational (0)
1978 self.ignore_skips = False
1979 self.has_relevant_elements = False
1980 self.measure_length = Rational (4, 4)
1982 def _insert_multibar (self):
1983 layout_information.set_context_item ('Score', 'skipBars = ##t')
1984 r = musicexp.MultiMeasureRest ()
1985 lenfrac = self.measure_length
1986 r.duration = rational_to_lily_duration (lenfrac)
1987 r.duration.factor *= self.pending_multibar / lenfrac
1988 self.elements.append (r)
1989 self.begin_moment = self.end_moment
1990 self.end_moment = self.begin_moment + self.pending_multibar
1991 self.pending_multibar = Rational (0)
1993 def set_measure_length (self, mlen):
1994 if (mlen != self.measure_length) and self.pending_multibar:
1995 self._insert_multibar ()
1996 self.measure_length = mlen
1998 def add_multibar_rest (self, duration):
1999 self.pending_multibar += duration
2001 def set_duration (self, duration):
2002 self.end_moment = self.begin_moment + duration
2003 def current_duration (self):
2004 return self.end_moment - self.begin_moment
2006 def add_music (self, music, duration, relevant = True):
2007 assert isinstance (music, musicexp.Music)
2008 if self.pending_multibar > Rational (0):
2009 self._insert_multibar ()
2011 self.has_relevant_elements = self.has_relevant_elements or relevant
2012 self.elements.append (music)
2013 self.begin_moment = self.end_moment
2014 self.set_duration (duration)
2016 # Insert all pending dynamics right after the note/rest:
2017 if isinstance (music, musicexp.ChordEvent) and self.pending_dynamics:
2018 for d in self.pending_dynamics:
2020 self.pending_dynamics = []
2022 # Insert some music command that does not affect the position in the measure
2023 def add_command (self, command, relevant = True):
2024 assert isinstance (command, musicexp.Music)
2025 if self.pending_multibar > Rational (0):
2026 self._insert_multibar ()
2027 self.has_relevant_elements = self.has_relevant_elements or relevant
2028 self.elements.append (command)
2029 def add_barline (self, barline, relevant = False):
2030 # Insert only if we don't have a barline already
2031 # TODO: Implement proper merging of default barline and custom bar line
2032 has_relevant = self.has_relevant_elements
2033 if (not (self.elements) or
2034 not (isinstance (self.elements[-1], musicexp.BarLine)) or
2035 (self.pending_multibar > Rational (0))):
2036 self.add_music (barline, Rational (0))
2037 self.has_relevant_elements = has_relevant or relevant
2038 def add_partial (self, command):
2039 self.ignore_skips = True
2040 # insert the partial, but restore relevant_elements (partial is not relevant)
2041 relevant = self.has_relevant_elements
2042 self.add_command (command)
2043 self.has_relevant_elements = relevant
2045 def add_dynamics (self, dynamic):
2046 # store the dynamic item(s) until we encounter the next note/rest:
2047 self.pending_dynamics.append (dynamic)
2049 def add_bar_check (self, number):
2050 # re/store has_relevant_elements, so that a barline alone does not
2051 # trigger output for figured bass, chord names
2052 b = musicexp.BarLine ()
2053 b.bar_number = number
2054 self.add_barline (b)
2056 def jumpto (self, moment):
2057 current_end = self.end_moment + self.pending_multibar
2058 diff = moment - current_end
2060 if diff < Rational (0):
2061 error_message (_ ('Negative skip %s (from position %s to %s)') %
2062 (diff, current_end, moment))
2065 if diff > Rational (0) and not (self.ignore_skips and moment == 0):
2066 skip = musicexp.SkipEvent()
2068 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)
2070 # TODO: Use the time signature for skips, too. Problem: The skip
2071 # might not start at a measure boundary!
2072 if duration_log > 0: # denominator is a power of 2...
2073 if diff.numerator () == 3:
2077 duration_factor = Rational (diff.numerator ())
2079 # for skips of a whole or more, simply use s1*factor
2081 duration_factor = diff
2082 skip.duration.duration_log = duration_log
2083 skip.duration.factor = duration_factor
2084 skip.duration.dots = duration_dots
2086 evc = musicexp.ChordEvent ()
2087 evc.elements.append (skip)
2088 self.add_music (evc, diff, False)
2090 if diff > Rational (0) and moment == 0:
2091 self.ignore_skips = False
2093 def last_event_chord (self, starting_at):
2097 # if the position matches, find the last ChordEvent, do not cross a bar line!
2098 at = len( self.elements ) - 1
2100 not isinstance (self.elements[at], musicexp.ChordEvent) and
2101 not isinstance (self.elements[at], musicexp.BarLine)):
2106 and isinstance (self.elements[at], musicexp.ChordEvent)
2107 and self.begin_moment == starting_at):
2108 value = self.elements[at]
2110 self.jumpto (starting_at)
2114 def correct_negative_skip (self, goto):
2115 self.end_moment = goto
2116 self.begin_moment = goto
2117 evc = musicexp.ChordEvent ()
2118 self.elements.append (evc)
2122 def __init__ (self):
2123 self.voicename = None
2124 self.voicedata = None
2125 self.ly_voice = None
2126 self.figured_bass = None
2127 self.chordnames = None
2128 self.lyrics_dict = {}
2129 self.lyrics_order = []
2131 def measure_length_from_attributes (attr, current_measure_length):
2132 len = attr.get_measure_length ()
2134 len = current_measure_length
2137 def musicxml_voice_to_lily_voice (voice):
2141 return_value = VoiceData ()
2142 return_value.voicedata = voice
2144 # First pitch needed for relative mode (if selected in command-line options)
2147 # Needed for melismata detection (ignore lyrics on those notes!):
2152 ignore_lyrics = False
2154 current_staff = None
2156 pending_figured_bass = []
2157 pending_chordnames = []
2159 # Make sure that the keys in the dict don't get reordered, since
2160 # we need the correct ordering of the lyrics stanzas! By default,
2161 # a dict will reorder its keys
2162 return_value.lyrics_order = voice.get_lyrics_numbers ()
2163 for k in return_value.lyrics_order:
2166 voice_builder = LilyPondVoiceBuilder ()
2167 figured_bass_builder = LilyPondVoiceBuilder ()
2168 chordnames_builder = LilyPondVoiceBuilder ()
2169 current_measure_length = Rational (4, 4)
2170 voice_builder.set_measure_length (current_measure_length)
2172 for n in voice._elements:
2174 if n.get_name () == 'forward':
2176 staff = n.get_maybe_exist_named_child ('staff')
2178 staff = staff.get_text ()
2179 if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
2180 voice_builder.add_command (musicexp.StaffChange (staff))
2181 current_staff = staff
2183 if isinstance (n, musicxml.Partial) and n.partial > 0:
2184 a = musicxml_partial_to_lily (n.partial)
2186 voice_builder.add_partial (a)
2187 figured_bass_builder.add_partial (a)
2188 chordnames_builder.add_partial (a)
2191 is_chord = n.get_maybe_exist_named_child ('chord')
2192 is_after_grace = (isinstance (n, musicxml.Note) and n.is_after_grace ());
2193 if not is_chord and not is_after_grace:
2195 voice_builder.jumpto (n._when)
2196 figured_bass_builder.jumpto (n._when)
2197 chordnames_builder.jumpto (n._when)
2198 except NegativeSkip, neg:
2199 voice_builder.correct_negative_skip (n._when)
2200 figured_bass_builder.correct_negative_skip (n._when)
2201 chordnames_builder.correct_negative_skip (n._when)
2202 n.message (_ ("Negative skip found: from %s to %s, difference is %s") % (neg.here, neg.dest, neg.dest - neg.here))
2204 if isinstance (n, musicxml.Barline):
2205 barlines = musicxml_barline_to_lily (n)
2207 if isinstance (a, musicexp.BarLine):
2208 voice_builder.add_barline (a)
2209 figured_bass_builder.add_barline (a, False)
2210 chordnames_builder.add_barline (a, False)
2211 elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
2212 voice_builder.add_command (a)
2213 figured_bass_builder.add_barline (a, False)
2214 chordnames_builder.add_barline (a, False)
2218 if isinstance (n, musicxml.Print):
2219 for a in musicxml_print_to_lily (n):
2220 voice_builder.add_command (a, False)
2223 # Continue any multimeasure-rests before trying to add bar checks!
2224 # Don't handle new MM rests yet, because for them we want bar checks!
2225 rest = n.get_maybe_exist_typed_child (musicxml.Rest)
2226 if (rest and rest.is_whole_measure ()
2227 and voice_builder.pending_multibar > Rational (0)):
2228 voice_builder.add_multibar_rest (n._duration)
2232 # print a bar check at the beginning of each measure!
2233 if n.is_first () and n._measure_position == Rational (0) and n != voice._elements[0]:
2235 num = int (n.get_parent ().number)
2239 voice_builder.add_bar_check (num)
2240 figured_bass_builder.add_bar_check (num)
2241 chordnames_builder.add_bar_check (num)
2243 # Start any new multimeasure rests
2244 if (rest and rest.is_whole_measure ()):
2245 voice_builder.add_multibar_rest (n._duration)
2249 if isinstance (n, musicxml.Direction):
2250 for a in musicxml_direction_to_lily (n):
2251 if a.wait_for_note ():
2252 voice_builder.add_dynamics (a)
2254 voice_builder.add_command (a)
2257 if isinstance (n, musicxml.Harmony):
2258 for a in musicxml_harmony_to_lily (n):
2259 if a.wait_for_note ():
2260 voice_builder.add_dynamics (a)
2262 voice_builder.add_command (a)
2263 for a in musicxml_harmony_to_lily_chordname (n):
2264 pending_chordnames.append (a)
2267 if isinstance (n, musicxml.FiguredBass):
2268 a = musicxml_figured_bass_to_lily (n)
2270 pending_figured_bass.append (a)
2273 if isinstance (n, musicxml.Attributes):
2274 for a in musicxml_attributes_to_lily (n):
2275 voice_builder.add_command (a)
2276 measure_length = measure_length_from_attributes (n, current_measure_length)
2277 if current_measure_length != measure_length:
2278 current_measure_length = measure_length
2279 voice_builder.set_measure_length (current_measure_length)
2282 if not n.__class__.__name__ == 'Note':
2283 n.message (_ ('unexpected %s; expected %s or %s or %s') % (n, 'Note', 'Attributes', 'Barline'))
2286 main_event = musicxml_note_to_lily_main_event (n)
2287 if main_event and not first_pitch:
2288 first_pitch = main_event.pitch
2289 # ignore lyrics for notes inside a slur, tie, chord or beam
2290 ignore_lyrics = inside_slur or is_tied or is_chord or is_beamed
2292 if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
2293 modes_found['drummode'] = True
2295 ev_chord = voice_builder.last_event_chord (n._when)
2297 ev_chord = musicexp.ChordEvent()
2298 voice_builder.add_music (ev_chord, n._duration)
2301 grace = n.get_maybe_exist_typed_child (musicxml.Grace)
2303 is_after_grace = ev_chord.has_elements () or n.is_after_grace ();
2304 is_chord = n.get_maybe_exist_typed_child (musicxml.Chord)
2308 # after-graces and other graces use different lists; Depending on
2309 # whether we have a chord or not, obtain either a new ChordEvent or
2310 # the previous one to create a chord
2312 if ev_chord.after_grace_elements and n.get_maybe_exist_typed_child (musicxml.Chord):
2313 grace_chord = ev_chord.after_grace_elements.get_last_event_chord ()
2315 grace_chord = musicexp.ChordEvent ()
2316 ev_chord.append_after_grace (grace_chord)
2318 if ev_chord.grace_elements and n.get_maybe_exist_typed_child (musicxml.Chord):
2319 grace_chord = ev_chord.grace_elements.get_last_event_chord ()
2321 grace_chord = musicexp.ChordEvent ()
2322 ev_chord.append_grace (grace_chord)
2324 if hasattr (grace, 'slash') and not is_after_grace:
2325 # TODO: use grace_type = "appoggiatura" for slurred grace notes
2326 if grace.slash == "yes":
2327 ev_chord.grace_type = "acciaccatura"
2328 # now that we have inserted the chord into the grace music, insert
2329 # everything into that chord instead of the ev_chord
2330 ev_chord = grace_chord
2331 ev_chord.append (main_event)
2332 ignore_lyrics = True
2334 ev_chord.append (main_event)
2335 # When a note/chord has grace notes (duration==0), the duration of the
2336 # event chord is not yet known, but the event chord was already added
2337 # with duration 0. The following correct this when we hit the real note!
2338 if voice_builder.current_duration () == 0 and n._duration > 0:
2339 voice_builder.set_duration (n._duration)
2341 # if we have a figured bass, set its voice builder to the correct position
2342 # and insert the pending figures
2343 if pending_figured_bass:
2345 figured_bass_builder.jumpto (n._when)
2346 except NegativeSkip, neg:
2348 for fb in pending_figured_bass:
2349 # if a duration is given, use that, otherwise the one of the note
2350 dur = fb.real_duration
2352 dur = ev_chord.get_length ()
2354 fb.duration = ev_chord.get_duration ()
2355 figured_bass_builder.add_music (fb, dur)
2356 pending_figured_bass = []
2358 if pending_chordnames:
2360 chordnames_builder.jumpto (n._when)
2361 except NegativeSkip, neg:
2363 for cn in pending_chordnames:
2364 # Assign the duration of the EventChord
2365 cn.duration = ev_chord.get_duration ()
2366 chordnames_builder.add_music (cn, ev_chord.get_length ())
2367 pending_chordnames = []
2369 notations_children = n.get_typed_children (musicxml.Notations)
2373 # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
2374 # +tied | +slur | +tuplet | glissando | slide |
2375 # ornaments | technical | articulations | dynamics |
2376 # +fermata | arpeggiate | non-arpeggiate |
2377 # accidental-mark | other-notation
2378 for notations in notations_children:
2379 for tuplet_event in notations.get_tuplets():
2380 time_mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
2381 tuplet_events.append ((ev_chord, tuplet_event, time_mod))
2383 # First, close all open slurs, only then start any new slur
2384 # TODO: Record the number of the open slur to dtermine the correct
2386 endslurs = [s for s in notations.get_named_children ('slur')
2387 if s.get_type () in ('stop')]
2388 if endslurs and not inside_slur:
2389 endslurs[0].message (_ ('Encountered closing slur, but no slur is open'))
2391 if len (endslurs) > 1:
2392 endslurs[0].message (_ ('Cannot have two simultaneous (closing) slurs'))
2393 # record the slur status for the next note in the loop
2395 lily_ev = musicxml_spanner_to_lily_event (endslurs[0])
2396 ev_chord.append (lily_ev)
2398 startslurs = [s for s in notations.get_named_children ('slur')
2399 if s.get_type () in ('start')]
2400 if startslurs and inside_slur:
2401 startslurs[0].message (_ ('Cannot have a slur inside another slur'))
2403 if len (startslurs) > 1:
2404 startslurs[0].message (_ ('Cannot have two simultaneous slurs'))
2405 # record the slur status for the next note in the loop
2407 lily_ev = musicxml_spanner_to_lily_event (startslurs[0])
2408 ev_chord.append (lily_ev)
2412 mxl_tie = notations.get_tie ()
2413 if mxl_tie and mxl_tie.type == 'start':
2414 ev_chord.append (musicexp.TieEvent ())
2420 fermatas = notations.get_named_children ('fermata')
2422 ev = musicxml_fermata_to_lily_event (a)
2424 ev_chord.append (ev)
2426 arpeggiate = notations.get_named_children ('arpeggiate')
2427 for a in arpeggiate:
2428 ev = musicxml_arpeggiate_to_lily_event (a)
2430 ev_chord.append (ev)
2432 arpeggiate = notations.get_named_children ('non-arpeggiate')
2433 for a in arpeggiate:
2434 ev = musicxml_nonarpeggiate_to_lily_event (a)
2436 ev_chord.append (ev)
2438 glissandos = notations.get_named_children ('glissando')
2439 glissandos += notations.get_named_children ('slide')
2440 for a in glissandos:
2441 ev = musicxml_spanner_to_lily_event (a)
2443 ev_chord.append (ev)
2445 # accidental-marks are direct children of <notation>!
2446 for a in notations.get_named_children ('accidental-mark'):
2447 ev = musicxml_articulation_to_lily_event (a)
2449 ev_chord.append (ev)
2451 # Articulations can contain the following child elements:
2452 # accent | strong-accent | staccato | tenuto |
2453 # detached-legato | staccatissimo | spiccato |
2454 # scoop | plop | doit | falloff | breath-mark |
2455 # caesura | stress | unstress
2456 # Technical can contain the following child elements:
2457 # up-bow | down-bow | harmonic | open-string |
2458 # thumb-position | fingering | pluck | double-tongue |
2459 # triple-tongue | stopped | snap-pizzicato | fret |
2460 # string | hammer-on | pull-off | bend | tap | heel |
2461 # toe | fingernails | other-technical
2462 # Ornaments can contain the following child elements:
2463 # trill-mark | turn | delayed-turn | inverted-turn |
2464 # shake | wavy-line | mordent | inverted-mordent |
2465 # schleifer | tremolo | other-ornament, accidental-mark
2466 ornaments = notations.get_named_children ('ornaments')
2467 ornaments += notations.get_named_children ('articulations')
2468 ornaments += notations.get_named_children ('technical')
2471 for ch in a.get_all_children ():
2472 ev = musicxml_articulation_to_lily_event (ch)
2474 ev_chord.append (ev)
2476 dynamics = notations.get_named_children ('dynamics')
2478 for ch in a.get_all_children ():
2479 ev = musicxml_dynamics_to_lily_event (ch)
2481 ev_chord.append (ev)
2484 mxl_beams = [b for b in n.get_named_children ('beam')
2485 if (b.get_type () in ('begin', 'end')
2486 and b.is_primary ())]
2487 if mxl_beams and not conversion_settings.ignore_beaming:
2488 beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
2490 ev_chord.append (beam_ev)
2491 if beam_ev.span_direction == -1: # beam and thus melisma starts here
2493 elif beam_ev.span_direction == 1: # beam and thus melisma ends here
2496 # Extract the lyrics
2497 if not rest and not ignore_lyrics:
2498 note_lyrics_processed = []
2499 note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
2500 for l in note_lyrics_elements:
2501 if l.get_number () < 0:
2502 for k in lyrics.keys ():
2503 lyrics[k].append (musicxml_lyrics_to_text (l))
2504 note_lyrics_processed.append (k)
2506 lyrics[l.number].append(musicxml_lyrics_to_text (l))
2507 note_lyrics_processed.append (l.number)
2508 for lnr in lyrics.keys ():
2509 if not lnr in note_lyrics_processed:
2510 lyrics[lnr].append ("\skip4")
2512 # Assume that a <tie> element only lasts for one note.
2513 # This might not be correct MusicXML interpretation, but works for
2514 # most cases and fixes broken files, which have the end tag missing
2515 if is_tied and not tie_started:
2518 ## force trailing mm rests to be written out.
2519 voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
2521 ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
2522 ly_voice = group_repeats (ly_voice)
2524 seq_music = musicexp.SequentialMusic ()
2526 if 'drummode' in modes_found.keys ():
2527 ## \key <pitch> barfs in drummode.
2528 ly_voice = [e for e in ly_voice
2529 if not isinstance(e, musicexp.KeySignatureChange)]
2531 seq_music.elements = ly_voice
2532 for k in lyrics.keys ():
2533 return_value.lyrics_dict[k] = musicexp.Lyrics ()
2534 return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
2537 if len (modes_found) > 1:
2538 error_message (_ ('cannot simultaneously have more than one mode: %s') % modes_found.keys ())
2540 if options.relative:
2541 v = musicexp.RelativeMusic ()
2542 v.element = seq_music
2543 v.basepitch = first_pitch
2546 return_value.ly_voice = seq_music
2547 for mode in modes_found.keys ():
2548 v = musicexp.ModeChangingMusicWrapper()
2549 v.element = seq_music
2551 return_value.ly_voice = v
2553 # create \figuremode { figured bass elements }
2554 if figured_bass_builder.has_relevant_elements:
2555 fbass_music = musicexp.SequentialMusic ()
2556 fbass_music.elements = group_repeats (figured_bass_builder.elements)
2557 v = musicexp.ModeChangingMusicWrapper()
2558 v.mode = 'figuremode'
2559 v.element = fbass_music
2560 return_value.figured_bass = v
2562 # create \chordmode { chords }
2563 if chordnames_builder.has_relevant_elements:
2564 cname_music = musicexp.SequentialMusic ()
2565 cname_music.elements = group_repeats (chordnames_builder.elements)
2566 v = musicexp.ModeChangingMusicWrapper()
2567 v.mode = 'chordmode'
2568 v.element = cname_music
2569 return_value.chordnames = v
2573 def musicxml_id_to_lily (id):
2574 digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
2575 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
2577 for digit in digits:
2578 d = digits.index (digit)
2579 id = re.sub ('%d' % d, digit, id)
2581 id = re.sub ('[^a-zA-Z]', 'X', id)
2584 def musicxml_pitch_to_lily (mxl_pitch):
2585 p = musicexp.Pitch ()
2586 p.alteration = mxl_pitch.get_alteration ()
2587 p.step = musicxml_step_to_lily (mxl_pitch.get_step ())
2588 p.octave = mxl_pitch.get_octave () - 4
2591 def musicxml_unpitched_to_lily (mxl_unpitched):
2593 step = mxl_unpitched.get_step ()
2595 p = musicexp.Pitch ()
2596 p.step = musicxml_step_to_lily (step)
2597 octave = mxl_unpitched.get_octave ()
2599 p.octave = octave - 4
2602 def musicxml_restdisplay_to_lily (mxl_rest):
2604 step = mxl_rest.get_step ()
2606 p = musicexp.Pitch ()
2607 p.step = musicxml_step_to_lily (step)
2608 octave = mxl_rest.get_octave ()
2610 p.octave = octave - 4
2613 def voices_in_part (part):
2614 """Return a Name -> Voice dictionary for PART"""
2616 part.extract_voices ()
2617 voices = part.get_voices ()
2618 part_info = part.get_staff_attributes ()
2620 return (voices, part_info)
2622 def voices_in_part_in_parts (parts):
2623 """return a Part -> Name -> Voice dictionary"""
2624 # don't crash if p doesn't have an id (that's invalid MusicXML,
2625 # but such files are out in the wild!
2628 voices = voices_in_part (p)
2629 if (hasattr (p, "id")):
2630 dictionary[p.id] = voices
2632 # TODO: extract correct part id from other sources
2633 dictionary[None] = voices
2637 def get_all_voices (parts):
2638 all_voices = voices_in_part_in_parts (parts)
2641 all_ly_staffinfo = {}
2642 for p, (name_voice, staff_info) in all_voices.items ():
2645 for n, v in name_voice.items ():
2646 progress (_ ("Converting to LilyPond expressions..."))
2647 # musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
2648 part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
2650 all_ly_voices[p] = part_ly_voices
2651 all_ly_staffinfo[p] = staff_info
2653 return (all_ly_voices, all_ly_staffinfo)
2656 def option_parser ():
2657 p = ly.get_option_parser (usage = _ ("musicxml2ly [OPTION]... FILE.xml"),
2659 _ ("""Convert MusicXML from FILE.xml to LilyPond input.
2660 If the given filename is -, musicxml2ly reads from the command line.
2661 """), add_help_option=False)
2663 p.add_option("-h", "--help",
2665 help=_ ("show this help and exit"))
2667 p.version = ('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
2669 _ ("""Copyright (c) 2005--2010 by
2670 Han-Wen Nienhuys <hanwen@xs4all.nl>,
2671 Jan Nieuwenhuizen <janneke@gnu.org> and
2672 Reinhold Kainhofer <reinhold@kainhofer.com>
2676 This program is free software. It is covered by the GNU General Public
2677 License and you are welcome to change it and/or distribute copies of it
2678 under certain conditions. Invoke as `%s --warranty' for more
2679 information.""") % 'lilypond')
2681 p.add_option("--version",
2683 help=_ ("show version number and exit"))
2685 p.add_option ('-v', '--verbose',
2686 action = "store_true",
2688 help = _ ("be verbose"))
2690 p.add_option ('', '--lxml',
2691 action = "store_true",
2694 help = _ ("use lxml.etree; uses less memory and cpu time"))
2696 p.add_option ('-z', '--compressed',
2697 action = "store_true",
2698 dest = 'compressed',
2700 help = _ ("input file is a zip-compressed MusicXML file"))
2702 p.add_option ('-r', '--relative',
2703 action = "store_true",
2706 help = _ ("convert pitches in relative mode (default)"))
2708 p.add_option ('-a', '--absolute',
2709 action = "store_false",
2711 help = _ ("convert pitches in absolute mode"))
2713 p.add_option ('-l', '--language',
2714 metavar = _ ("LANG"),
2716 help = _ ("use LANG for pitch names, e.g. 'deutsch' for note names in German"))
2718 p.add_option ('--nd', '--no-articulation-directions',
2719 action = "store_false",
2721 dest = "convert_directions",
2722 help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
2724 p.add_option ('--nrp', '--no-rest-positions',
2725 action = "store_false",
2727 dest = "convert_rest_positions",
2728 help = _ ("do not convert exact vertical positions of rests"))
2730 p.add_option ('--npl', '--no-page-layout',
2731 action = "store_false",
2733 dest = "convert_page_layout",
2734 help = _ ("do not convert the exact page layout and breaks"))
2736 p.add_option ('--no-beaming',
2737 action = "store_false",
2739 dest = "convert_beaming",
2740 help = _ ("do not convert beaming information, use lilypond's automatic beaming instead"))
2742 p.add_option ('-o', '--output',
2743 metavar = _ ("FILE"),
2747 dest = 'output_name',
2748 help = _ ("set output filename to FILE, stdout if -"))
2749 p.add_option_group ('',
2751 _ ("Report bugs via %s")
2752 % 'http://post.gmane.org/post.php'
2753 '?group=gmane.comp.gnu.lilypond.bugs') + '\n')
2756 def music_xml_voice_name_to_lily_name (part_id, name):
2757 str = "Part%sVoice%s" % (part_id, name)
2758 return musicxml_id_to_lily (str)
2760 def music_xml_lyrics_name_to_lily_name (part_id, name, lyricsnr):
2761 str = "Part%sVoice%sLyrics%s" % (part_id, name, lyricsnr)
2762 return musicxml_id_to_lily (str)
2764 def music_xml_figuredbass_name_to_lily_name (part_id, voicename):
2765 str = "Part%sVoice%sFiguredBass" % (part_id, voicename)
2766 return musicxml_id_to_lily (str)
2768 def music_xml_chordnames_name_to_lily_name (part_id, voicename):
2769 str = "Part%sVoice%sChords" % (part_id, voicename)
2770 return musicxml_id_to_lily (str)
2772 def print_voice_definitions (printer, part_list, voices):
2773 for part in part_list:
2775 nv_dict = voices.get (part_id, {})
2776 for (name, voice) in nv_dict.items ():
2777 k = music_xml_voice_name_to_lily_name (part_id, name)
2778 printer.dump ('%s = ' % k)
2779 voice.ly_voice.print_ly (printer)
2781 if voice.chordnames:
2782 cnname = music_xml_chordnames_name_to_lily_name (part_id, name)
2783 printer.dump ('%s = ' % cnname )
2784 voice.chordnames.print_ly (printer)
2786 for l in voice.lyrics_order:
2787 lname = music_xml_lyrics_name_to_lily_name (part_id, name, l)
2788 printer.dump ('%s = ' % lname )
2789 voice.lyrics_dict[l].print_ly (printer)
2791 if voice.figured_bass:
2792 fbname = music_xml_figuredbass_name_to_lily_name (part_id, name)
2793 printer.dump ('%s = ' % fbname )
2794 voice.figured_bass.print_ly (printer)
2799 return dict ([(elt,1) for elt in l]).keys ()
2801 # format the information about the staff in the form
2804 # [voiceid1, [lyricsid11, lyricsid12,...], figuredbassid1],
2805 # [voiceid2, [lyricsid21, lyricsid22,...], figuredbassid2],
2809 # raw_voices is of the form [(voicename, lyricsids, havefiguredbass)*]
2810 def format_staff_info (part_id, staff_id, raw_voices):
2812 for (v, lyricsids, figured_bass, chordnames) in raw_voices:
2813 voice_name = music_xml_voice_name_to_lily_name (part_id, v)
2814 voice_lyrics = [music_xml_lyrics_name_to_lily_name (part_id, v, l)
2816 figured_bass_name = ''
2818 figured_bass_name = music_xml_figuredbass_name_to_lily_name (part_id, v)
2819 chordnames_name = ''
2821 chordnames_name = music_xml_chordnames_name_to_lily_name (part_id, v)
2822 voices.append ([voice_name, voice_lyrics, figured_bass_name, chordnames_name])
2823 return [staff_id, voices]
2825 def update_score_setup (score_structure, part_list, voices):
2827 for part_definition in part_list:
2828 part_id = part_definition.id
2829 nv_dict = voices.get (part_id)
2831 error_message (_ ('unknown part in part-list: %s') % part_id)
2834 staves = reduce (lambda x,y: x+ y,
2835 [voice.voicedata._staves.keys ()
2836 for voice in nv_dict.values ()],
2839 if len (staves) > 1:
2841 staves = uniq_list (staves)
2844 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2845 for (voice_name, voice) in nv_dict.items ()
2846 if voice.voicedata._start_staff == s]
2847 staves_info.append (format_staff_info (part_id, s, thisstaff_raw_voices))
2849 thisstaff_raw_voices = [(voice_name, voice.lyrics_order, voice.figured_bass, voice.chordnames)
2850 for (voice_name, voice) in nv_dict.items ()]
2851 staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
2852 score_structure.set_part_information (part_id, staves_info)
2854 # Set global values in the \layout block, like auto-beaming etc.
2855 def update_layout_information ():
2856 if not conversion_settings.ignore_beaming and layout_information:
2857 layout_information.set_context_item ('Score', 'autoBeaming = ##f')
2859 def print_ly_preamble (printer, filename):
2860 printer.dump_version ()
2861 printer.print_verbatim ('%% automatically converted from %s\n' % filename)
2863 def print_ly_additional_definitions (printer, filename):
2864 if needed_additional_definitions:
2866 printer.print_verbatim ('%% additional definitions required by the score:')
2868 for a in set(needed_additional_definitions):
2869 printer.print_verbatim (additional_definitions.get (a, ''))
2873 # Read in the tree from the given I/O object (either file or string) and
2874 # demarshall it using the classes from the musicxml.py file
2875 def read_xml (io_object, use_lxml):
2878 tree = lxml.etree.parse (io_object)
2879 mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
2882 from xml.dom import minidom, Node
2883 doc = minidom.parse(io_object)
2884 node = doc.documentElement
2885 return musicxml.minidom_demarshal_node (node)
2889 def read_musicxml (filename, compressed, use_lxml):
2893 progress (_ ("Input is compressed, extracting raw MusicXML data from stdin") )
2894 z = zipfile.ZipFile (sys.stdin)
2896 progress (_ ("Input file %s is compressed, extracting raw MusicXML data") % filename)
2897 z = zipfile.ZipFile (filename, "r")
2898 container_xml = z.read ("META-INF/container.xml")
2899 if not container_xml:
2901 container = read_xml (StringIO.StringIO (container_xml), use_lxml)
2904 rootfiles = container.get_maybe_exist_named_child ('rootfiles')
2907 rootfile_list = rootfiles.get_named_children ('rootfile')
2909 if len (rootfile_list) > 0:
2910 mxml_file = getattr (rootfile_list[0], 'full-path', None)
2912 raw_string = z.read (mxml_file)
2915 io_object = StringIO.StringIO (raw_string)
2916 elif filename == "-":
2917 io_object = sys.stdin
2919 io_object = filename
2921 return read_xml (io_object, use_lxml)
2924 def convert (filename, options):
2926 progress (_ ("Reading MusicXML from Standard input ...") )
2928 progress (_ ("Reading MusicXML from %s ...") % filename)
2930 tree = read_musicxml (filename, options.compressed, options.use_lxml)
2931 score_information = extract_score_information (tree)
2932 paper_information = extract_paper_information (tree)
2934 parts = tree.get_typed_children (musicxml.Part)
2935 (voices, staff_info) = get_all_voices (parts)
2938 mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
2940 score = extract_score_structure (mxl_pl, staff_info)
2941 part_list = mxl_pl.get_named_children ("score-part")
2943 # score information is contained in the <work>, <identification> or <movement-title> tags
2944 update_score_setup (score, part_list, voices)
2945 # After the conversion, update the list of settings for the \layout block
2946 update_layout_information ()
2948 if not options.output_name:
2949 options.output_name = os.path.basename (filename)
2950 options.output_name = os.path.splitext (options.output_name)[0]
2951 elif re.match (".*\.ly", options.output_name):
2952 options.output_name = os.path.splitext (options.output_name)[0]
2955 #defs_ly_name = options.output_name + '-defs.ly'
2956 if (options.output_name == "-"):
2957 output_ly_name = 'Standard output'
2959 output_ly_name = options.output_name + '.ly'
2961 progress (_ ("Output to `%s'") % output_ly_name)
2962 printer = musicexp.Output_printer()
2963 #progress (_ ("Output to `%s'") % defs_ly_name)
2964 if (options.output_name == "-"):
2965 printer.set_file (codecs.getwriter ("utf-8")(sys.stdout))
2967 printer.set_file (codecs.open (output_ly_name, 'wb', encoding='utf-8'))
2968 print_ly_preamble (printer, filename)
2969 print_ly_additional_definitions (printer, filename)
2970 if score_information:
2971 score_information.print_ly (printer)
2972 if paper_information and conversion_settings.convert_page_layout:
2973 paper_information.print_ly (printer)
2974 if layout_information:
2975 layout_information.print_ly (printer)
2976 print_voice_definitions (printer, part_list, voices)
2979 printer.dump ("% The score definition")
2981 score.print_ly (printer)
2986 def get_existing_filename_with_extension (filename, ext):
2987 if os.path.exists (filename):
2989 newfilename = filename + "." + ext
2990 if os.path.exists (newfilename):
2992 newfilename = filename + ext
2993 if os.path.exists (newfilename):
2998 opt_parser = option_parser()
3001 (options, args) = opt_parser.parse_args ()
3003 opt_parser.print_usage()
3006 if options.language:
3007 musicexp.set_pitch_language (options.language)
3008 needed_additional_definitions.append (options.language)
3009 additional_definitions[options.language] = "\\language \"%s\"\n" % options.language
3010 conversion_settings.ignore_beaming = not options.convert_beaming
3011 conversion_settings.convert_page_layout = options.convert_page_layout
3013 # Allow the user to leave out the .xml or xml on the filename
3014 basefilename = args[0].decode('utf-8')
3015 if basefilename == "-": # Read from stdin
3018 filename = get_existing_filename_with_extension (basefilename, "xml")
3020 filename = get_existing_filename_with_extension (basefilename, "mxl")
3021 options.compressed = True
3022 if filename and filename.endswith ("mxl"):
3023 options.compressed = True
3025 if filename and (filename == "-" or os.path.exists (filename)):
3026 voices = convert (filename, options)
3028 progress (_ ("Unable to find input file %s") % basefilename)
3030 if __name__ == '__main__':