self.ignore_beaming = False
conversion_settings = Conversion_Settings ()
+# Use a global variable to store the setting needed inside a \layout block.
+# whenever we need to change a setting or add/remove an engraver, we can access
+# this layout and add the corresponding settings
+layout_information = musicexp.Layout ()
def progress (str):
ly.stderr_write (str + '\n')
def round_to_two_digits (val):
return round (val * 100) / 100
-def extract_layout_information (tree):
+def extract_paper_information (tree):
paper = musicexp.Paper ()
defaults = tree.get_maybe_exist_named_child ('defaults')
if not defaults:
# apply some compatibility mode, e.g. ignoring some features/tags
# in those files
software = ids.get_encoding_software_list ()
- global conversion_settings
# Case 1: "Sibelius 5.1" with the "Dolet 3.4 for Sibelius" plugin
# is missing all beam ends => ignore all beaming information
if "Dolet 3.4 for Sibelius" in software:
conversion_settings.ignore_beaming = True
+ progress (_ ("Encountered file created by Dolet 3.4 for Sibelius, containing wrong beaming information. All beaming information in the MusicXML file will be ignored"))
# TODO: Check for other unsupported features
return header
clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
lines = 5
- details = attributes.get_maybe_exist_named_child ('staff-details')
- if details:
- staff_lines = details.get_maybe_exist_named_child ('staff-lines')
+ details = attributes.get_named_children ('staff-details')
+ for d in details:
+ staff_lines = d.get_maybe_exist_named_child ('staff-lines')
if staff_lines:
lines = string.atoi (staff_lines.get_text ())
return staff
-def extract_score_layout (part_list, staffinfo):
- layout = musicexp.StaffGroup (None)
+def extract_score_structure (part_list, staffinfo):
+ structure = musicexp.StaffGroup (None)
if not part_list:
- return layout
+ return structure
def read_score_part (el):
if not isinstance (el, musicxml.Score_part):
if len (staves) == 1:
return staves[0]
for i in staves:
- layout.append_staff (i)
- return layout
+ structure.append_staff (i)
+ return structure
return retval.values ()
+# Brackets need a special engraver added the Staff context!
+def musicxml_bracket_to_ly ():
+ layout_information.set_context_item ('Staff', '\consists "Horizontal_bracket_engraver" % for \\startGroup and \\stopGroup brackets')
+ return musicexp.BracketSpannerEvent ()
+
spanner_event_dict = {
'beam' : musicexp.BeamEvent,
'dashes' : musicexp.TextSpannerEvent,
- 'bracket' : musicexp.BracketSpannerEvent,
+ 'bracket' : musicxml_bracket_to_ly,
'glissando' : musicexp.GlissandoEvent,
'octave-shift' : musicexp.OctaveShiftEvent,
'pedal' : musicexp.PedalEvent,
else:
duration_factor = Rational (diff.numerator ())
else:
+ # for skips of a whole or more, simply use s1*factor
duration_log = 0
duration_factor = diff
skip.duration.duration_log = duration_log
inside_slur = False
is_tied = False
is_chord = False
+ is_beamed = False
ignore_lyrics = False
current_staff = None
main_event = musicxml_note_to_lily_main_event (n)
if main_event and not first_pitch:
first_pitch = main_event.pitch
- ignore_lyrics = inside_slur or is_tied or is_chord
+ # ignore lyrics for notes inside a slur, tie, chord or beam
+ ignore_lyrics = inside_slur or is_tied or is_chord or is_beamed
if main_event and hasattr (main_event, 'drum_type') and main_event.drum_type:
modes_found['drummode'] = True
if ev:
ev_chord.append (ev)
- # Extract the lyrics
- if not rest and not ignore_lyrics:
- note_lyrics_processed = []
- note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
- for l in note_lyrics_elements:
- if l.get_number () < 0:
- for k in lyrics.keys ():
- lyrics[k].append (l.lyric_to_text ())
- note_lyrics_processed.append (k)
- else:
- lyrics[l.number].append(l.lyric_to_text ())
- note_lyrics_processed.append (l.number)
- for lnr in lyrics.keys ():
- if not lnr in note_lyrics_processed:
- lyrics[lnr].append ("\skip4")
-
mxl_beams = [b for b in n.get_named_children ('beam')
if (b.get_type () in ('begin', 'end')
beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
if beam_ev:
ev_chord.append (beam_ev)
+ if beam_ev.span_direction == -1: # beam and thus melisma starts here
+ is_beamed = True
+ elif beam_ev.span_direction == 1: # beam and thus melisma ends here
+ is_beamed = False
if tuplet_event:
mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
tuplet_events.append ((ev_chord, tuplet_event, frac))
+ # Extract the lyrics
+ if not rest and not ignore_lyrics:
+ note_lyrics_processed = []
+ note_lyrics_elements = n.get_typed_children (musicxml.Lyric)
+ for l in note_lyrics_elements:
+ if l.get_number () < 0:
+ for k in lyrics.keys ():
+ lyrics[k].append (l.lyric_to_text ())
+ note_lyrics_processed.append (k)
+ else:
+ lyrics[l.number].append(l.lyric_to_text ())
+ note_lyrics_processed.append (l.number)
+ for lnr in lyrics.keys ():
+ if not lnr in note_lyrics_processed:
+ lyrics[lnr].append ("\skip4")
+
## force trailing mm rests to be written out.
voice_builder.add_music (musicexp.ChordEvent (), Rational (0))
dest = "convert_directions",
help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
+ p.add_option ('--no-beaming',
+ action = "store_false",
+ default = True,
+ dest = "convert_beaming",
+ help = _ ("do not convert beaming information, use lilypond's automatic beaming instead"))
+
p.add_option ('-o', '--output',
metavar = _ ("FILE"),
action = "store",
staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
score_structure.set_part_information (part_id, staves_info)
+# Set global values in the \layout block, like auto-beaming etc.
+def update_layout_information ():
+ if not conversion_settings.ignore_beaming and layout_information:
+ layout_information.set_context_item ('Score', 'autoBeaming = ##f')
+
def print_ly_preamble (printer, filename):
printer.dump_version ()
printer.print_verbatim ('%% automatically converted from %s\n' % filename)
def convert (filename, options):
progress (_ ("Reading MusicXML from %s ...") % filename)
-
+
tree = read_musicxml (filename, options.compressed, options.use_lxml)
+ score_information = extract_score_information (tree)
+ paper_information = extract_paper_information (tree)
+
parts = tree.get_typed_children (musicxml.Part)
(voices, staff_info) = get_all_voices (parts)
score_structure = None
mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
if mxl_pl:
- score_structure = extract_score_layout (mxl_pl, staff_info)
+ score_structure = extract_score_structure (mxl_pl, staff_info)
part_list = mxl_pl.get_named_children ("score-part")
# score information is contained in the <work>, <identification> or <movement-title> tags
- score_information = extract_score_information (tree)
- layout_information = extract_layout_information (tree)
update_score_setup (score_structure, part_list, voices)
+ # After the conversion, update the list of settings for the \layout block
+ update_layout_information ()
if not options.output_name:
options.output_name = os.path.basename (filename)
print_ly_additional_definitions (printer, filename)
if score_information:
score_information.print_ly (printer)
+ if paper_information:
+ paper_information.print_ly (printer)
if layout_information:
layout_information.print_ly (printer)
print_voice_definitions (printer, part_list, voices)
musicexp.set_pitch_language (options.language)
needed_additional_definitions.append (options.language)
additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
+ conversion_settings.ignore_beaming = not options.convert_beaming
# Allow the user to leave out the .xml or xml on the filename
filename = get_existing_filename_with_extension (args[0], "xml")