return header
+class PartGroupInfo:
+ def __init__ (self):
+ self.start = {}
+ self.end = {}
+ def is_empty (self):
+ return len (self.start) + len (self.end) == 0
+ def add_start (self, g):
+ self.start[getattr (g, 'number', "1")] = g
+ def add_end (self, g):
+ self.end[getattr (g, 'number', "1")] = g
+ def print_ly (self, printer):
+ error_message ("Unprocessed PartGroupInfo %s encountered" % self)
+ def ly_expression (self):
+ error_message ("Unprocessed PartGroupInfo %s encountered" % self)
+ return ''
+
def extract_score_layout (part_list):
layout = musicexp.StaffGroup (None)
- currentgroups_dict = {}
- currentgroups = []
if not part_list:
return layout
- def insert_into_layout (object):
- if len (currentgroups) > 0:
- group_to_insert = currentgroups_dict.get (currentgroups [-1], layout)
- else:
- group_to_insert = layout
- group_to_insert.appendStaff (object)
- return group_to_insert
-
def read_score_part (el):
if not isinstance (el, musicxml.Score_part):
return
# TODO: Read in the MIDI device / instrument
return staff
+ def read_score_group (el):
+ if not isinstance (el, musicxml.Part_group):
+ return
+ group = musicexp.StaffGroup ()
+ if hasattr (el, 'number'):
+ id = el.number
+ group.id = id
+ #currentgroups_dict[id] = group
+ #currentgroups.append (id)
+ if el.get_maybe_exist_named_child ('group-name'):
+ group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
+ if el.get_maybe_exist_named_child ('group-abbreviation'):
+ group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
+ if el.get_maybe_exist_named_child ('group-symbol'):
+ group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
+ if el.get_maybe_exist_named_child ('group-barline'):
+ group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
+ return group
+
parts_groups = part_list.get_all_children ()
- # the start/end group tags are not necessarily ordered correctly, so
- # we can't go through the children sequentially!
- if len (parts_groups) == 1 and isinstance (parts_group[1], musicxml.Score_part):
- return read_score_part (parts_group[1])
+ # the start/end group tags are not necessarily ordered correctly and groups
+ # might even overlap, so we can't go through the children sequentially!
+ # 1) Replace all Score_part objects by their corresponding Staff objects,
+ # also collect all group start/stop points into one PartGroupInfo object
+ staves = []
+ group_info = PartGroupInfo ()
for el in parts_groups:
if isinstance (el, musicxml.Score_part):
- staff = read_score_part (el)
- insert_into_layout (staff)
+ if not group_info.is_empty ():
+ staves.append (group_info)
+ group_info = PartGroupInfo ()
+ staves.append (read_score_part (el))
elif isinstance (el, musicxml.Part_group):
if el.type == "start":
- group = musicexp.StaffGroup ()
- staff_group = insert_into_layout (group)
- # If we're inserting a nested staffgroup, we need to use InnerStaffGroup
- if staff_group != layout:
- group.stafftype = "InnerStaffGroup"
- if hasattr (el, 'number'):
- id = el.number
- group.id = id
- currentgroups_dict[id] = group
- currentgroups.append (id)
- if el.get_maybe_exist_named_child ('group-name'):
- group.instrument_name = el.get_maybe_exist_named_child ('group-name').get_text ()
- if el.get_maybe_exist_named_child ('group-abbreviation'):
- group.short_instrument_name = el.get_maybe_exist_named_child ('group-abbreviation').get_text ()
- if el.get_maybe_exist_named_child ('group-symbol'):
- group.symbol = el.get_maybe_exist_named_child ('group-symbol').get_text ()
- if el.get_maybe_exist_named_child ('group-barline'):
- group.spanbar = el.get_maybe_exist_named_child ('group-barline').get_text ()
-
+ group_info.add_start (el)
elif el.type == "stop":
- # end the part-group, i.e. simply remove it from the lists
- if hasattr (el, 'number'):
- pid = el.number
- elif len (currentgroups) > 0:
- pid = el[-1]
- if pid:
- del currentgroups_dict[pid]
- currentgroups.remove (pid)
+ group_info.add_end (el)
+ if not group_info.is_empty ():
+ staves.append (group_info)
+
+ # 2) Now, detect the groups:
+ group_starts = []
+ pos = 0
+ while pos < len (staves):
+ el = staves[pos]
+ if isinstance (el, PartGroupInfo):
+ prev_start = 0
+ if len (group_starts) > 0:
+ prev_start = group_starts[-1]
+ elif len (el.end) > 0: # no group to end here
+ el.end = {}
+ if len (el.end) > 0: # closes an existing group
+ ends = el.end.keys ()
+ prev_started = staves[prev_start].start.keys ()
+ grpid = None
+ intersection = filter(lambda x:x in ends, prev_started)
+ if len (intersection) > 0:
+ grpid = intersection[0]
+ else:
+ # Close the last started group
+ grpid = staves[prev_start].start.keys () [0]
+ # Find the corresponding closing tag and remove it!
+ j = pos + 1
+ foundclosing = False
+ while j < len (staves) and not foundclosing:
+ if isinstance (staves[j], PartGroupInfo) and staves[j].end.has_key (grpid):
+ foundclosing = True
+ del staves[j].end[grpid]
+ if staves[j].is_empty ():
+ del staves[j]
+ j += 1
+ grpobj = staves[prev_start].start[grpid]
+ group = read_score_group (grpobj)
+ # remove the id from both the start and end
+ if el.end.has_key (grpid):
+ del el.end[grpid]
+ del staves[prev_start].start[grpid]
+ if el.is_empty ():
+ del staves[pos]
+ # replace the staves with the whole group
+ for j in staves[(prev_start + 1):pos]:
+ if j.is_group:
+ j.stafftype = "InnerStaffGroup"
+ group.append_staff (j)
+ del staves[(prev_start + 1):pos]
+ staves.insert (prev_start + 1, group)
+ # reset pos so that we continue at the correct position
+ pos = prev_start
+ # remove an empty start group
+ if staves[prev_start].is_empty ():
+ del staves[prev_start]
+ group_starts.remove (prev_start)
+ pos -= 1
+ elif len (el.start) > 0: # starts new part groups
+ group_starts.append (pos)
+ pos += 1
+
+ if len (staves) == 1:
+ return staves[0]
+ for i in staves:
+ layout.append_staff (i)
return layout
ev.force_direction = dir
return ev
+
+def musicxml_arpeggiate_to_lily_event (mxl_event):
+ ev = musicexp.ArpeggioEvent ()
+ ev.direction = {"up": 1, "down": -1}.get (getattr (mxl_event, 'direction', None), 0)
+ return ev
+
+
def musicxml_tremolo_to_lily_event (mxl_event):
ev = musicexp.TremoloEvent ()
ev.bars = mxl_event.get_text ()
ev.type = mxl_event.get_text ()
return ev
+def musicxml_string_event (mxl_event):
+ ev = musicexp.NoDirectionArticulationEvent ()
+ ev.type = mxl_event.get_text ()
+ return ev
+
def musicxml_accidental_mark (mxl_event):
ev = musicexp.MarkupEvent ()
contents = { "sharp": "\\sharp",
# -) (class, name) (like string, only that a different class than ArticulationEvent is used)
# TODO: Some translations are missing!
articulations_dict = {
- "accent": (musicexp.ShortArticulationEvent, ">"),
+ "accent": (musicexp.ShortArticulationEvent, ">"), # or "accent"
"accidental-mark": musicxml_accidental_mark,
"bend": musicxml_bend_to_lily_event,
"breath-mark": (musicexp.NoDirectionArticulationEvent, "breathe"),
#"caesura": "caesura",
#"delayed-turn": "?",
- #"detached-legato": "",
+ "detached-legato": (musicexp.ShortArticulationEvent, "_"), # or "portato"
#"doit": "",
#"double-tongue": "",
"down-bow": "downbow",
"inverted-mordent": "prall",
"inverted-turn": "reverseturn",
"mordent": "mordent",
- #"open-string": "",
+ "open-string": "open",
#"plop": "",
#"pluck": "",
- #"portato": (musicexp.ShortArticulationEvent, "_"), # does not exist in MusicXML
#"pull-off": "",
#"schleifer": "?",
#"scoop": "",
#"shake": "?",
#"snap-pizzicato": "",
#"spiccato": "",
- "staccatissimo": (musicexp.ShortArticulationEvent, "|"),
- "staccato": (musicexp.ShortArticulationEvent, "."),
- "stopped": (musicexp.ShortArticulationEvent, "+"),
+ "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
+ "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
+ "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
#"stress": "",
- #"string": "",
- "strong-accent": (musicexp.ShortArticulationEvent, "^"),
+ "string": musicxml_string_event,
+ "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
#"tap": "",
- "tenuto": (musicexp.ShortArticulationEvent, "-"),
+ "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
#"thumb-position": "",
#"toe": "",
"turn": "turn",
self.begin_moment = goto
evc = musicexp.EventChord ()
self.elements.append (evc)
-
+
+
+class VoiceData:
+ def __init__ (self):
+ self.voicedata = None
+ self.ly_voice = None
+ self.lyrics_dict = {}
+ self.lyrics_order = []
+
def musicxml_voice_to_lily_voice (voice):
tuplet_events = []
modes_found = {}
lyrics = {}
+ return_value = VoiceData ()
+ return_value.voicedata = voice
# Needed for melismata detection (ignore lyrics on those notes!):
inside_slur = False
is_chord = False
ignore_lyrics = False
+ current_staff = None
+
# TODO: Make sure that the keys in the dict don't get reordered, since
# we need the correct ordering of the lyrics stanzas! By default,
# a dict will reorder its keys
- for k in voice.get_lyrics_numbers ():
+ return_value.lyrics_order = voice.get_lyrics_numbers ()
+ for k in return_value.lyrics_order:
lyrics[k] = []
voice_builder = LilyPondVoiceBuilder()
for n in voice._elements:
if n.get_name () == 'forward':
continue
+ staff = n.get_maybe_exist_named_child ('staff')
+ if staff:
+ staff = staff.get_text ()
+ if current_staff and staff <> current_staff and not n.get_maybe_exist_named_child ('chord'):
+ voice_builder.add_command (musicexp.StaffChange (staff))
+ current_staff = staff
if isinstance (n, musicxml.Partial) and n.partial > 0:
a = musicxml_partial_to_lily (n.partial)
if voice_builder.current_duration () == 0 and n._duration > 0:
voice_builder.set_duration (n._duration)
- notations = n.get_maybe_exist_typed_child (musicxml.Notations)
+ notations_children = n.get_typed_children (musicxml.Notations)
tuplet_event = None
span_events = []
# ornaments | technical | articulations | dynamics |
# +fermata | arpeggiate | non-arpeggiate |
# accidental-mark | other-notation
- if notations:
+ for notations in notations_children:
if notations.get_tuplet():
tuplet_event = notations.get_tuplet()
mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
if len (slurs) > 1:
error_message ('more than 1 slur?')
# record the slur status for the next note in the loop
- if slurs[0].get_type () == 'start':
- inside_slur = True
- elif slurs[0].get_type () == 'stop':
- inside_slur = False
+ if not grace:
+ if slurs[0].get_type () == 'start':
+ inside_slur = True
+ elif slurs[0].get_type () == 'stop':
+ inside_slur = False
lily_ev = musicxml_spanner_to_lily_event (slurs[0])
ev_chord.append (lily_ev)
- mxl_tie = notations.get_tie ()
- if mxl_tie and mxl_tie.type == 'start':
- ev_chord.append (musicexp.TieEvent ())
- is_tied = True
- else:
- is_tied = False
+ if not grace:
+ mxl_tie = notations.get_tie ()
+ if mxl_tie and mxl_tie.type == 'start':
+ ev_chord.append (musicexp.TieEvent ())
+ is_tied = True
+ else:
+ is_tied = False
fermatas = notations.get_named_children ('fermata')
for a in fermatas:
arpeggiate = notations.get_named_children ('arpeggiate')
for a in arpeggiate:
- ev_chord.append (musicexp.ArpeggioEvent ())
+ ev = musicxml_arpeggiate_to_lily_event (a)
+ if ev:
+ ev_chord.append (ev)
glissandos = notations.get_named_children ('glissando')
for a in glissandos:
if not isinstance(e, musicexp.KeySignatureChange)]
seq_music.elements = ly_voice
- lyrics_dict = {}
for k in lyrics.keys ():
- lyrics_dict[k] = musicexp.Lyrics ()
- lyrics_dict[k].lyrics_syllables = lyrics[k]
+ return_value.lyrics_dict[k] = musicexp.Lyrics ()
+ return_value.lyrics_dict[k].lyrics_syllables = lyrics[k]
if len (modes_found) > 1:
error_message ('Too many modes found %s' % modes_found.keys ())
- return_value = seq_music
+ return_value.ly_voice = seq_music
for mode in modes_found.keys ():
v = musicexp.ModeChangingMusicWrapper()
- v.element = return_value
+ v.element = seq_music
v.mode = mode
- return_value = v
+ return_value.ly_voice = v
- return (return_value, lyrics_dict)
+ return return_value
def musicxml_id_to_lily (id):
for n, v in name_voice.items ():
progress ("Converting to LilyPond expressions...")
# musicxml_voice_to_lily_voice returns (lily_voice, {nr->lyrics, nr->lyrics})
- part_ly_voices[n] = (musicxml_voice_to_lily_voice (v), v)
+ part_ly_voices[n] = musicxml_voice_to_lily_voice (v)
all_ly_voices[p] = part_ly_voices
for part in part_list:
(p, nv_dict) = part_dict.get (part.id, (None, {}))
- for (name, ((voice, lyrics), mxlvoice)) in nv_dict.items ():
+ #for (name, ((voice, lyrics), mxlvoice)) in nv_dict.items ():
+ for (name, voice) in nv_dict.items ():
k = music_xml_voice_name_to_lily_name (p, name)
printer.dump ('%s = ' % k)
- voice.print_ly (printer)
+ voice.ly_voice.print_ly (printer)
printer.newline()
-
- for l in lyrics.keys ():
+
+ for l in voice.lyrics_order:
lname = music_xml_lyrics_name_to_lily_name (p, name, l)
printer.dump ('%s = ' %lname )
- lyrics[l].print_ly (printer)
+ voice.lyrics_dict[l].print_ly (printer)
printer.newline()
# ...
# ]
# ]
-# raw_voices is of the form [(voicename, lyrics)*]
+# raw_voices is of the form [(voicename, lyricsids)*]
def format_staff_info (part, staff_id, raw_voices):
voices = []
- for (v, lyrics) in raw_voices:
+ for (v, lyricsids) in raw_voices:
voice_name = music_xml_voice_name_to_lily_name (part, v)
voice_lyrics = [music_xml_lyrics_name_to_lily_name (part, v, l)
- for l in lyrics.keys ()]
+ for l in lyricsids]
voices.append ([voice_name, voice_lyrics])
return [staff_id, voices]
nv_dict = voices.get (part)
staves = reduce (lambda x,y: x+ y,
- [mxlvoice._staves.keys ()
- for (v, mxlvoice) in nv_dict.values ()],
+ [voice.voicedata._staves.keys ()
+ for voice in nv_dict.values ()],
[])
staves_info = []
if len (staves) > 1:
staves = uniq_list (staves)
staves.sort ()
for s in staves:
- thisstaff_raw_voices = [(voice_name, lyrics)
- for (voice_name, ((music, lyrics), mxlvoice)) in nv_dict.items ()
- if mxlvoice._start_staff == s]
+ thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
+ for (voice_name, voice) in nv_dict.items ()
+ if voice.voicedata._start_staff == s]
staves_info.append (format_staff_info (part, s, thisstaff_raw_voices))
else:
- thisstaff_raw_voices = [(voice_name, lyrics)
- for (voice_name, ((music, lyrics), mxlvoice)) in nv_dict.items ()]
+ thisstaff_raw_voices = [(voice_name, voice.lyrics_order)
+ for (voice_name, voice) in nv_dict.items ()]
staves_info.append (format_staff_info (part, None, thisstaff_raw_voices))
- score_structure.setPartInformation (part_name, staves_info)
+ score_structure.set_part_information (part_name, staves_info)
def print_ly_preamble (printer, filename):
printer.dump_version ()