-#!@PYTHON@
+#!@TARGET_PYTHON@
import optparse
import sys
import re
import os
import string
+import codecs
from gettext import gettext as _
-datadir = '@local_lilypond_datadir@'
-if not os.path.isdir (datadir):
- datadir = '@lilypond_datadir@'
-if os.environ.has_key ('LILYPONDPREFIX'):
- datadir = os.environ['LILYPONDPREFIX']
- while datadir[-1] == os.sep:
- datadir = datadir[:-1]
-
-if os.path.exists (os.path.join (datadir, 'share/lilypond/@TOPLEVEL_VERSION@/')):
- datadir = os.path.join (datadir, 'share/lilypond/@TOPLEVEL_VERSION@/')
-elif os.path.exists (os.path.join (datadir, 'share/lilypond/current/')):
- datadir = os.path.join (datadir, 'share/lilypond/current/')
-
-sys.path.insert (0, os.path.join (datadir, 'python'))
+"""
+@relocate-preamble@
+"""
+import lilylib as ly
import musicxml
import musicexp
+
from rational import Rational
def progress (str):
- sys.stderr.write (str + '\n')
- sys.stderr.flush ()
-
+ sys.stderr.write (str + '\n')
+ sys.stderr.flush ()
+
+def error_message (str):
+ sys.stderr.write (str + '\n')
+ sys.stderr.flush ()
+
+# score information is contained in the <work>, <identification> or <movement-title> tags
+# extract those into a hash, indexed by proper lilypond header attributes
+def extract_score_information (tree):
+ header = musicexp.Header ()
+ def set_if_exists (field, value):
+ if value:
+ header.set_field (field, musicxml.escape_ly_output_string (value))
+
+ work = tree.get_maybe_exist_named_child ('work')
+ if work:
+ set_if_exists ('title', work.get_work_title ())
+ set_if_exists ('worknumber', work.get_work_number ())
+ set_if_exists ('opus', work.get_opus ())
+ else:
+ movement_title = tree.get_maybe_exist_named_child ('movement-title')
+ if movement_title:
+ set_if_exists ('title', movement_title.get_text ())
+
+ identifications = tree.get_named_children ('identification')
+ for ids in identifications:
+ set_if_exists ('copyright', ids.get_rights ())
+ set_if_exists ('composer', ids.get_composer ())
+ set_if_exists ('arranger', ids.get_arranger ())
+ set_if_exists ('editor', ids.get_editor ())
+ set_if_exists ('poet', ids.get_poet ())
+
+ set_if_exists ('tagline', ids.get_encoding_software ())
+ set_if_exists ('encodingsoftware', ids.get_encoding_software ())
+ set_if_exists ('encodingdate', ids.get_encoding_date ())
+ set_if_exists ('encoder', ids.get_encoding_person ())
+ set_if_exists ('encodingdescription', ids.get_encoding_description ())
+
+ 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)
+ if not part_list:
+ return layout
+
+ def read_score_part (el):
+ if not isinstance (el, musicxml.Score_part):
+ return
+ staff = musicexp.Staff ()
+ staff.id = el.id
+ partname = el.get_maybe_exist_named_child ('part-name')
+ # Finale gives unnamed parts the name "MusicXML Part" automatically!
+ if partname and partname.get_text() != "MusicXML Part":
+ staff.instrument_name = partname.get_text ()
+ if el.get_maybe_exist_named_child ('part-abbreviation'):
+ staff.short_instrument_name = el.get_maybe_exist_named_child ('part-abbreviation').get_text ()
+ # 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 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):
+ 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_info.add_start (el)
+ elif el.type == "stop":
+ 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
+
+
def musicxml_duration_to_lily (mxl_note):
- d = musicexp.Duration ()
- if mxl_note.get_maybe_exist_typed_child (musicxml.Type):
- d.duration_log = mxl_note.get_duration_log ()
- else:
- d.duration_log = 0
+ d = musicexp.Duration ()
+ # if the note has no Type child, then that method spits out a warning and
+ # returns 0, i.e. a whole note
+ d.duration_log = mxl_note.get_duration_log ()
+
+ d.dots = len (mxl_note.get_typed_children (musicxml.Dot))
+ # Grace notes by specification have duration 0, so no time modification
+ # factor is possible. It even messes up the output with *0/1
+ if not mxl_note.get_maybe_exist_typed_child (musicxml.Grace):
+ d.factor = mxl_note._duration / d.get_length ()
+
+ return d
+
+def rational_to_lily_duration (rational_len):
+ d = musicexp.Duration ()
+ d.duration_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)
+ d.factor = Rational (rational_len.numerator ())
+ if d.duration_log < 0:
+ error_message ("Encountered rational duration with denominator %s, "
+ "unable to convert to lilypond duration" %
+ rational_len.denominator ())
+ # TODO: Test the above error message
+ return None
+ else:
+ return d
+
+def musicxml_partial_to_lily (partial_len):
+ if partial_len > 0:
+ p = musicexp.Partial ()
+ p.partial = rational_to_lily_duration (partial_len)
+ return p
+ else:
+ return Null
+
+# Detect repeats and alternative endings in the chord event list (music_list)
+# and convert them to the corresponding musicexp objects, containing nested
+# music
+def group_repeats (music_list):
+ repeat_replaced = True
+ music_start = 0
+ i = 0
+ # Walk through the list of expressions, looking for repeat structure
+ # (repeat start/end, corresponding endings). If we find one, try to find the
+ # last event of the repeat, replace the whole structure and start over again.
+ # For nested repeats, as soon as we encounter another starting repeat bar,
+ # treat that one first, and start over for the outer repeat.
+ while repeat_replaced and i < 100:
+ i += 1
+ repeat_start = -1 # position of repeat start / end
+ repeat_end = -1 # position of repeat start / end
+ repeat_times = 0
+ ending_start = -1 # position of current ending start
+ endings = [] # list of already finished endings
+ pos = 0
+ last = len (music_list) - 1
+ repeat_replaced = False
+ final_marker = 0
+ while pos < len (music_list) and not repeat_replaced:
+ e = music_list[pos]
+ repeat_finished = False
+ if isinstance (e, RepeatMarker):
+ if not repeat_times and e.times:
+ repeat_times = e.times
+ if e.direction == -1:
+ if repeat_end >= 0:
+ repeat_finished = True
+ else:
+ repeat_start = pos
+ repeat_end = -1
+ ending_start = -1
+ endings = []
+ elif e.direction == 1:
+ if repeat_start < 0:
+ repeat_start = 0
+ if repeat_end < 0:
+ repeat_end = pos
+ final_marker = pos
+ elif isinstance (e, EndingMarker):
+ if e.direction == -1:
+ if repeat_start < 0:
+ repeat_start = 0
+ if repeat_end < 0:
+ repeat_end = pos
+ ending_start = pos
+ elif e.direction == 1:
+ if ending_start < 0:
+ ending_start = 0
+ endings.append ([ending_start, pos])
+ ending_start = -1
+ final_marker = pos
+ elif not isinstance (e, musicexp.BarLine):
+ # As soon as we encounter an element when repeat start and end
+ # is set and we are not inside an alternative ending,
+ # this whole repeat structure is finished => replace it
+ if repeat_start >= 0 and repeat_end > 0 and ending_start < 0:
+ repeat_finished = True
+
+ # Finish off all repeats without explicit ending bar (e.g. when
+ # we convert only one page of a multi-page score with repeats)
+ if pos == last and repeat_start >= 0:
+ repeat_finished = True
+ final_marker = pos
+ if repeat_end < 0:
+ repeat_end = pos
+ if ending_start >= 0:
+ endings.append ([ending_start, pos])
+ ending_start = -1
+
+ if repeat_finished:
+ # We found the whole structure replace it!
+ r = musicexp.RepeatedMusic ()
+ if repeat_times <= 0:
+ repeat_times = 2
+ r.repeat_count = repeat_times
+ # don't erase the first element for "implicit" repeats (i.e. no
+ # starting repeat bars at the very beginning)
+ start = repeat_start+1
+ if repeat_start == music_start:
+ start = music_start
+ r.set_music (music_list[start:repeat_end])
+ for (start, end) in endings:
+ s = musicexp.SequentialMusic ()
+ s.elements = music_list[start+1:end]
+ r.add_ending (s)
+ del music_list[repeat_start:final_marker+1]
+ music_list.insert (repeat_start, r)
+ repeat_replaced = True
+ pos += 1
+ # TODO: Implement repeats until the end without explicit ending bar
+ return music_list
- d.dots = len (mxl_note.get_typed_children (musicxml.Dot))
- d.factor = mxl_note._duration / d.get_length ()
- return d
def group_tuplets (music_list, events):
- """Collect Musics from
- MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
- """
-
-
- indices = []
-
- j = 0
- for (ev_chord, tuplet_elt, fraction) in events:
- while (j < len (music_list)):
- if music_list[j]== ev_chord:
- break
- j += 1
- if tuplet_elt.type == 'start':
- indices.append ((j, None, fraction))
- elif tuplet_elt.type == 'stop':
- indices[-1] = (indices[-1][0], j, indices[-1][2])
-
- new_list = []
- last = 0
- for (i1, i2, frac) in indices:
- if i1 >= i2:
- continue
-
- new_list.extend (music_list[last:i1])
- seq = musicexp.SequentialMusic ()
- last = i2 + 1
- seq.elements = music_list[i1:last]
-
- tsm = musicexp.TimeScaledMusic ()
- tsm.element = seq
-
- tsm.numerator = frac[0]
- tsm.denominator = frac[1]
-
- new_list.append (tsm)
-
- new_list.extend (music_list[last:])
- return new_list
-
-
-def musicxml_clef_to_lily (mxl):
- sign = mxl.get_maybe_exist_named_child ('sign')
- change = musicexp.ClefChange ()
- if sign:
- change.type = sign.get_text ()
- return change
-
-
-def musicxml_time_to_lily (mxl):
- beats = mxl.get_maybe_exist_named_child ('beats')
- type = mxl.get_maybe_exist_named_child ('beat-type')
- change = musicexp.TimeSignatureChange()
- change.fraction = (string.atoi(beats.get_text ()),
- string.atoi(type.get_text ()))
-
- return change
-
-def musicxml_key_to_lily (mxl):
- start_pitch = musicexp.Pitch ()
- try:
- mode = mxl.get_maybe_exist_named_child ('mode')
- if mode:
- mode = mode.get_text ()
- else:
- mode = 'major'
-
- (n,a) = { 'major' : (0,0),
- 'minor' : (6,0),
- }[mode]
- start_pitch.step = n
- start_pitch.alteration = a
- except KeyError:
- print 'unknown mode', mode
-
- fifths = string.atoi (mxl.get_maybe_exist_named_child ('fifths').get_text ())
-
- fifth = musicexp.Pitch()
- fifth.step = 4
- if fifths < 0:
- fifths *= -1
- fifth.step *= -1
- fifth.normalize ()
-
- start_pitch = musicexp.Pitch()
- for x in range (fifths):
- start_pitch = start_pitch.transposed (fifth)
-
- start_pitch.octave = 0
-
- change = musicexp.KeySignatureChange()
- change.mode = mode
- change.tonic = start_pitch
- return change
-
+ """Collect Musics from
+ MUSIC_LIST demarcated by EVENTS_LIST in TimeScaledMusic objects.
+ """
+
+
+ indices = []
+
+ j = 0
+ for (ev_chord, tuplet_elt, fraction) in events:
+ while (j < len (music_list)):
+ if music_list[j] == ev_chord:
+ break
+ j += 1
+ if tuplet_elt.type == 'start':
+ indices.append ((j, None, fraction))
+ elif tuplet_elt.type == 'stop':
+ indices[-1] = (indices[-1][0], j, indices[-1][2])
+
+ new_list = []
+ last = 0
+ for (i1, i2, frac) in indices:
+ if i1 >= i2:
+ continue
+
+ new_list.extend (music_list[last:i1])
+ seq = musicexp.SequentialMusic ()
+ last = i2 + 1
+ seq.elements = music_list[i1:last]
+
+ tsm = musicexp.TimeScaledMusic ()
+ tsm.element = seq
+
+ tsm.numerator = frac[0]
+ tsm.denominator = frac[1]
+
+ new_list.append (tsm)
+
+ new_list.extend (music_list[last:])
+ return new_list
+
+
+def musicxml_clef_to_lily (attributes):
+ change = musicexp.ClefChange ()
+ (change.type, change.position, change.octave) = attributes.get_clef_information ()
+ return change
+
+def musicxml_time_to_lily (attributes):
+ (beats, type) = attributes.get_time_signature ()
+
+ change = musicexp.TimeSignatureChange()
+ change.fraction = (beats, type)
+
+ return change
+
+def musicxml_key_to_lily (attributes):
+ start_pitch = musicexp.Pitch ()
+ (fifths, mode) = attributes.get_key_signature ()
+ try:
+ (n,a) = {
+ 'major' : (0,0),
+ 'minor' : (5,0),
+ }[mode]
+ start_pitch.step = n
+ start_pitch.alteration = a
+ except KeyError:
+ error_message ('unknown mode %s' % mode)
+
+ fifth = musicexp.Pitch()
+ fifth.step = 4
+ if fifths < 0:
+ fifths *= -1
+ fifth.step *= -1
+ fifth.normalize ()
+
+ for x in range (fifths):
+ start_pitch = start_pitch.transposed (fifth)
+
+ start_pitch.octave = 0
+
+ change = musicexp.KeySignatureChange()
+ change.mode = mode
+ change.tonic = start_pitch
+ return change
+
def musicxml_attributes_to_lily (attrs):
- elts = []
- attr_dispatch = {
- 'clef': musicxml_clef_to_lily,
- 'time': musicxml_time_to_lily,
- 'key': musicxml_key_to_lily
- }
- for (k, func) in attr_dispatch.items ():
- childs = attrs.get_named_children (k)
-
- ## ugh: you get clefs spread over staves for piano
- if childs:
- elts.append (func (childs[0]))
-
- return elts
-
-def create_skip_music (duration):
- skip = musicexp.SkipEvent()
- skip.duration.duration_log = 0
- skip.duration.factor = duration
-
- evc = musicexp.EventChord ()
- evc.append (skip)
- return evc
+ elts = []
+ attr_dispatch = {
+ 'clef': musicxml_clef_to_lily,
+ 'time': musicxml_time_to_lily,
+ 'key': musicxml_key_to_lily
+ }
+ for (k, func) in attr_dispatch.items ():
+ children = attrs.get_named_children (k)
+ if children:
+ elts.append (func (attrs))
+
+ return elts
+
+class Marker (musicexp.Music):
+ def __init__ (self):
+ self.direction = 0
+ self.event = None
+ def print_ly (self, printer):
+ sys.stderr.write ("Encountered unprocessed marker %s\n" % self)
+ pass
+ def ly_expression (self):
+ return ""
+class RepeatMarker (Marker):
+ def __init__ (self):
+ Marker.__init__ (self)
+ self.times = 0
+class EndingMarker (Marker):
+ pass
+
+# Convert the <barline> element to musicxml.BarLine (for non-standard barlines)
+# and to RepeatMarker and EndingMarker objects for repeat and
+# alternatives start/stops
+def musicxml_barline_to_lily (barline):
+ # retval contains all possible markers in the order:
+ # 0..bw_ending, 1..bw_repeat, 2..barline, 3..fw_repeat, 4..fw_ending
+ retval = {}
+ bartype_element = barline.get_maybe_exist_named_child ("bar-style")
+ repeat_element = barline.get_maybe_exist_named_child ("repeat")
+ ending_element = barline.get_maybe_exist_named_child ("ending")
+
+ bartype = None
+ if bartype_element:
+ bartype = bartype_element.get_text ()
+
+ if repeat_element and hasattr (repeat_element, 'direction'):
+ repeat = RepeatMarker ()
+ repeat.direction = {"forward": -1, "backward": 1}.get (repeat_element.direction, 0)
+
+ if ( (repeat_element.direction == "forward" and bartype == "heavy-light") or
+ (repeat_element.direction == "backward" and bartype == "light-heavy") ):
+ bartype = None
+ if hasattr (repeat_element, 'times'):
+ try:
+ repeat.times = int (repeat_element.times)
+ except ValueError:
+ repeat.times = 2
+ repeat.event = barline
+ if repeat.direction == -1:
+ retval[3] = repeat
+ else:
+ retval[1] = repeat
+
+ if ending_element and hasattr (ending_element, 'type'):
+ ending = EndingMarker ()
+ ending.direction = {"start": -1, "stop": 1, "discontinue": 1}.get (ending_element.type, 0)
+ ending.event = barline
+ if ending.direction == -1:
+ retval[4] = ending
+ else:
+ retval[0] = ending
+
+ if bartype:
+ b = musicexp.BarLine ()
+ b.type = bartype
+ retval[2] = b
+
+ return retval.values ()
spanner_event_dict = {
- 'slur' : musicexp.SlurEvent,
- 'beam' : musicexp.BeamEvent,
-}
+ 'slur' : musicexp.SlurEvent,
+ 'beam' : musicexp.BeamEvent,
+ 'glissando' : musicexp.GlissandoEvent,
+ 'pedal' : musicexp.PedalEvent,
+ 'wavy-line' : musicexp.TrillSpanEvent,
+ 'octave-shift' : musicexp.OctaveShiftEvent,
+ 'wedge' : musicexp.HairpinEvent
+}
spanner_type_dict = {
- 'start': -1,
- 'begin': -1,
- 'stop': 1,
- 'end' : 1
+ 'start': -1,
+ 'begin': -1,
+ 'crescendo': -1,
+ 'decreschendo': -1,
+ 'diminuendo': -1,
+ 'continue': 0,
+ 'up': -1,
+ 'down': -1,
+ 'stop': 1,
+ 'end' : 1
}
def musicxml_spanner_to_lily_event (mxl_event):
- ev = None
-
- name = mxl_event.get_name()
- try:
- func = spanner_event_dict[name]
- ev = func()
- except KeyError:
- print 'unknown span event ', mxl_event
-
- try:
- key = mxl_event.get_type ()
- ev.span_direction = spanner_type_dict[key]
- except KeyError:
- print 'unknown span type', key, 'for', name
-
- return ev
+ ev = None
+
+ name = mxl_event.get_name()
+ func = spanner_event_dict.get (name)
+ if func:
+ ev = func()
+ else:
+ error_message ('unknown span event %s' % mxl_event)
+
+
+ type = mxl_event.get_type ()
+ span_direction = spanner_type_dict.get (type)
+ # really check for None, because some types will be translated to 0, which
+ # would otherwise also lead to the unknown span warning
+ if span_direction != None:
+ ev.span_direction = span_direction
+ else:
+ error_message ('unknown span type %s for %s' % (type, name))
+
+ ev.set_span_type (type)
+ ev.line_type = getattr (mxl_event, 'line-type', 'solid')
+
+ # assign the size, which is used for octave-shift, etc.
+ ev.size = mxl_event.get_size ()
+
+ return ev
+
+def musicxml_direction_to_indicator (direction):
+ return { "above": 1, "upright": 1, "below": -1, "downright": -1 }.get (direction, '')
+
+def musicxml_fermata_to_lily_event (mxl_event):
+ ev = musicexp.ArticulationEvent ()
+ ev.type = "fermata"
+ if hasattr (mxl_event, 'type'):
+ dir = musicxml_direction_to_indicator (mxl_event.type)
+ if dir:
+ 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 ()
+ return ev
+
+def musicxml_bend_to_lily_event (mxl_event):
+ ev = musicexp.BendEvent ()
+ ev.alter = mxl_event.bend_alter ()
+ return ev
+
+
+def musicxml_fingering_event (mxl_event):
+ ev = musicexp.ShortArticulationEvent ()
+ 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",
+ "natural": "\\natural",
+ "flat": "\\flat",
+ "double-sharp": "\\doublesharp",
+ "sharp-sharp": "\\sharp\\sharp",
+ "flat-flat": "\\flat\\flat",
+ "flat-flat": "\\doubleflat",
+ "natural-sharp": "\\natural\\sharp",
+ "natural-flat": "\\natural\\flat",
+ "quarter-flat": "\\semiflat",
+ "quarter-sharp": "\\semisharp",
+ "three-quarters-flat": "\\sesquiflat",
+ "three-quarters-sharp": "\\sesquisharp",
+ }.get (mxl_event.get_text ())
+ if contents:
+ ev.contents = contents
+ return ev
+ else:
+ return None
+
+# translate articulations, ornaments and other notations into ArticulationEvents
+# possible values:
+# -) string (ArticulationEvent with that name)
+# -) function (function(mxl_event) needs to return a full ArticulationEvent-derived object
+# -) (class, name) (like string, only that a different class than ArticulationEvent is used)
+# TODO: Some translations are missing!
+articulations_dict = {
+ "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": (musicexp.ShortArticulationEvent, "_"), # or "portato"
+ #"doit": "",
+ #"double-tongue": "",
+ "down-bow": "downbow",
+ #"falloff": "",
+ "fingering": musicxml_fingering_event,
+ #"fingernails": "",
+ #"fret": "",
+ #"hammer-on": "",
+ "harmonic": "flageolet",
+ #"heel": "",
+ "inverted-mordent": "prall",
+ "inverted-turn": "reverseturn",
+ "mordent": "mordent",
+ "open-string": "open",
+ #"plop": "",
+ #"pluck": "",
+ #"pull-off": "",
+ #"schleifer": "?",
+ #"scoop": "",
+ #"shake": "?",
+ #"snap-pizzicato": "",
+ #"spiccato": "",
+ "staccatissimo": (musicexp.ShortArticulationEvent, "|"), # or "staccatissimo"
+ "staccato": (musicexp.ShortArticulationEvent, "."), # or "staccato"
+ "stopped": (musicexp.ShortArticulationEvent, "+"), # or "stopped"
+ #"stress": "",
+ "string": musicxml_string_event,
+ "strong-accent": (musicexp.ShortArticulationEvent, "^"), # or "marcato"
+ #"tap": "",
+ "tenuto": (musicexp.ShortArticulationEvent, "-"), # or "tenuto"
+ #"thumb-position": "",
+ #"toe": "",
+ "turn": "turn",
+ "tremolo": musicxml_tremolo_to_lily_event,
+ "trill-mark": "trill",
+ #"triple-tongue": "",
+ #"unstress": ""
+ "up-bow": "upbow",
+ #"wavy-line": "?",
+}
+articulation_spanners = [ "wavy-line" ]
+
+def musicxml_articulation_to_lily_event (mxl_event):
+ # wavy-line elements are treated as trill spanners, not as articulation ornaments
+ if mxl_event.get_name () in articulation_spanners:
+ return musicxml_spanner_to_lily_event (mxl_event)
+
+ tmp_tp = articulations_dict.get (mxl_event.get_name ())
+ if not tmp_tp:
+ return
+
+ if isinstance (tmp_tp, str):
+ ev = musicexp.ArticulationEvent ()
+ ev.type = tmp_tp
+ elif isinstance (tmp_tp, tuple):
+ ev = tmp_tp[0] ()
+ ev.type = tmp_tp[1]
+ else:
+ ev = tmp_tp (mxl_event)
+
+ # Some articulations use the type attribute, other the placement...
+ dir = None
+ if hasattr (mxl_event, 'type'):
+ dir = musicxml_direction_to_indicator (mxl_event.type)
+ if hasattr (mxl_event, 'placement'):
+ dir = musicxml_direction_to_indicator (mxl_event.placement)
+ return ev
+
+
+def musicxml_dynamics_to_lily_event (dynentry):
+ dynamics_available = ( "p", "pp", "ppp", "pppp", "ppppp", "pppppp",
+ "f", "ff", "fff", "ffff", "fffff", "ffffff",
+ "mp", "mf", "sf", "sfp", "sfpp", "fp",
+ "rf", "rfz", "sfz", "sffz", "fz" )
+ if not dynentry.get_name() in dynamics_available:
+ return
+ event = musicexp.DynamicsEvent ()
+ event.type = dynentry.get_name ()
+ return event
+
+# Convert single-color two-byte strings to numbers 0.0 - 1.0
+def hexcolorval_to_nr (hex_val):
+ try:
+ v = int (hex_val, 16)
+ if v == 255:
+ v = 256
+ return v / 256.
+ except ValueError:
+ return 0.
+
+def hex_to_color (hex_val):
+ 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])$', hex_val, re.IGNORECASE)
+ if res:
+ return map (lambda x: hexcolorval_to_nr (x), res.group (2,3,4))
+ else:
+ return None
+
+def musicxml_words_to_lily_event (words):
+ event = musicexp.TextEvent ()
+ text = words.get_text ()
+ text = re.sub ('^ *\n? *', '', text)
+ text = re.sub (' *\n? *$', '', text)
+ event.text = text
+
+ if hasattr (words, 'default-y'):
+ offset = getattr (words, 'default-y')
+ try:
+ off = string.atoi (offset)
+ if off > 0:
+ event.force_direction = 1
+ else:
+ event.force_direction = -1
+ except ValueError:
+ event.force_direction = 0
+
+ if hasattr (words, 'font-weight'):
+ font_weight = { "normal": '', "bold": '\\bold' }.get (getattr (words, 'font-weight'), '')
+ if font_weight:
+ event.markup += font_weight
+
+ if hasattr (words, 'font-size'):
+ size = getattr (words, 'font-size')
+ font_size = {
+ "xx-small": '\\teeny',
+ "x-small": '\\tiny',
+ "small": '\\small',
+ "medium": '',
+ "large": '\\large',
+ "x-large": '\\huge',
+ "xx-large": '\\bigger\\huge'
+ }.get (size, '')
+ if font_size:
+ event.markup += font_size
+
+ if hasattr (words, 'color'):
+ color = getattr (words, 'color')
+ rgb = hex_to_color (color)
+ if rgb:
+ event.markup += "\\with-color #(rgb-color %s %s %s)" % (rgb[0], rgb[1], rgb[2])
+
+ if hasattr (words, 'font-style'):
+ font_style = { "italic": '\\italic' }.get (getattr (words, 'font-style'), '')
+ if font_style:
+ event.markup += font_style
+
+ # TODO: How should I best convert the font-family attribute?
+
+ # TODO: How can I represent the underline, overline and line-through
+ # attributes in Lilypond? Values of these attributes indicate
+ # the number of lines
+
+ return event
+
+
+direction_spanners = [ 'octave-shift', 'pedal', 'wedge' ]
+
+def musicxml_direction_to_lily (n):
+ # TODO: Handle the <staff> element!
+ res = []
+ dirtype_children = []
+ for dt in n.get_typed_children (musicxml.DirType):
+ dirtype_children += dt.get_all_children ()
+
+ for entry in dirtype_children:
+
+ if entry.get_name () == "dynamics":
+ for dynentry in entry.get_all_children ():
+ ev = musicxml_dynamics_to_lily_event (dynentry)
+ if ev:
+ res.append (ev)
+
+ if entry.get_name () == "words":
+ ev = musicxml_words_to_lily_event (entry)
+ if ev:
+ res.append (ev)
+
+ # octave shifts. pedal marks, hairpins etc. are spanners:
+ if entry.get_name() in direction_spanners:
+ event = musicxml_spanner_to_lily_event (entry)
+ if event:
+ res.append (event)
+
+
+ return res
+
+def musicxml_frame_to_lily_event (frame):
+ ev = musicexp.FretEvent ()
+ ev.strings = frame.get_strings ()
+ ev.frets = frame.get_frets ()
+ #offset = frame.get_first_fret () - 1
+ barre = []
+ for fn in frame.get_named_children ('frame-note'):
+ fret = fn.get_fret ()
+ if fret <= 0:
+ fret = "o"
+ el = [ fn.get_string (), fret ]
+ fingering = fn.get_fingering ()
+ if fingering >= 0:
+ el.append (fingering)
+ ev.elements.append (el)
+ b = fn.get_barre ()
+ if b == 'start':
+ barre[0] = el[0] # start string
+ barre[2] = el[1] # fret
+ elif b == 'stop':
+ barre[1] = el[0] # end string
+ if barre:
+ ev.barre = barre
+ return ev
+
+def musicxml_harmony_to_lily (n):
+ res = []
+ for f in n.get_named_children ('frame'):
+ ev = musicxml_frame_to_lily_event (f)
+ if ev:
+ res.append (ev)
+
+ return res
+
+instrument_drumtype_dict = {
+ 'Acoustic Snare Drum': 'acousticsnare',
+ 'Side Stick': 'sidestick',
+ 'Open Triangle': 'opentriangle',
+ 'Mute Triangle': 'mutetriangle',
+ 'Tambourine': 'tambourine',
+ 'Bass Drum': 'bassdrum',
+}
def musicxml_note_to_lily_main_event (n):
- pitch = None
- duration = None
-
- mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
- event = None
- if mxl_pitch:
- pitch = musicxml_pitch_to_lily (mxl_pitch)
- event = musicexp.NoteEvent()
- event.pitch = pitch
-
- acc = n.get_maybe_exist_named_child ('accidental')
- if acc:
- # let's not force accs everywhere.
- event.cautionary = acc.editorial
-
- elif n.get_maybe_exist_typed_child (musicxml.Rest):
- event = musicexp.RestEvent()
-
- event.duration = musicxml_duration_to_lily (n)
- return event
+ pitch = None
+ duration = None
+
+ mxl_pitch = n.get_maybe_exist_typed_child (musicxml.Pitch)
+ event = None
+ if mxl_pitch:
+ pitch = musicxml_pitch_to_lily (mxl_pitch)
+ event = musicexp.NoteEvent()
+ event.pitch = pitch
+
+ acc = n.get_maybe_exist_named_child ('accidental')
+ if acc:
+ # let's not force accs everywhere.
+ event.cautionary = acc.editorial
+
+ elif n.get_maybe_exist_typed_child (musicxml.Rest):
+ # rests can have display-octave and display-step, which are
+ # treated like an ordinary note pitch
+ rest = n.get_maybe_exist_typed_child (musicxml.Rest)
+ event = musicexp.RestEvent()
+ pitch = musicxml_restdisplay_to_lily (rest)
+ event.pitch = pitch
+ elif n.instrument_name:
+ event = musicexp.NoteEvent ()
+ drum_type = instrument_drumtype_dict.get (n.instrument_name)
+ if drum_type:
+ event.drum_type = drum_type
+ else:
+ n.message ("drum %s type unknown, please add to instrument_drumtype_dict" % n.instrument_name)
+ event.drum_type = 'acousticsnare'
+
+ if not event:
+ n.message ("cannot find suitable event")
+
+ event.duration = musicxml_duration_to_lily (n)
+ return event
+
+
+## TODO
+class NegativeSkip:
+ def __init__ (self, here, dest):
+ self.here = here
+ self.dest = dest
+
+class LilyPondVoiceBuilder:
+ def __init__ (self):
+ self.elements = []
+ self.pending_dynamics = []
+ self.end_moment = Rational (0)
+ self.begin_moment = Rational (0)
+ self.pending_multibar = Rational (0)
+ self.ignore_skips = False
+
+ def _insert_multibar (self):
+ r = musicexp.MultiMeasureRest ()
+ r.duration = musicexp.Duration()
+ r.duration.duration_log = 0
+ r.duration.factor = self.pending_multibar
+ self.elements.append (r)
+ self.begin_moment = self.end_moment
+ self.end_moment = self.begin_moment + self.pending_multibar
+ self.pending_multibar = Rational (0)
+
+ def add_multibar_rest (self, duration):
+ self.pending_multibar += duration
+
+ def set_duration (self, duration):
+ self.end_moment = self.begin_moment + duration
+ def current_duration (self):
+ return self.end_moment - self.begin_moment
+
+ def add_music (self, music, duration):
+ assert isinstance (music, musicexp.Music)
+ if self.pending_multibar > Rational (0):
+ self._insert_multibar ()
+
+ self.elements.append (music)
+ self.begin_moment = self.end_moment
+ self.set_duration (duration)
+
+ # Insert all pending dynamics right after the note/rest:
+ if isinstance (music, musicexp.EventChord) and self.pending_dynamics:
+ for d in self.pending_dynamics:
+ music.append (d)
+ self.pending_dynamics = []
+
+ # Insert some music command that does not affect the position in the measure
+ def add_command (self, command):
+ assert isinstance (command, musicexp.Music)
+ if self.pending_multibar > Rational (0):
+ self._insert_multibar ()
+ self.elements.append (command)
+ def add_barline (self, barline):
+ # TODO: Implement merging of default barline and custom bar line
+ self.add_music (barline, Rational (0))
+ def add_partial (self, command):
+ self.ignore_skips = True
+ self.add_command (command)
+
+ def add_dynamics (self, dynamic):
+ # store the dynamic item(s) until we encounter the next note/rest:
+ self.pending_dynamics.append (dynamic)
+
+ def add_bar_check (self, number):
+ b = musicexp.BarLine ()
+ b.bar_number = number
+ self.add_barline (b)
+
+ def jumpto (self, moment):
+ current_end = self.end_moment + self.pending_multibar
+ diff = moment - current_end
+
+ if diff < Rational (0):
+ error_message ('Negative skip %s' % diff)
+ diff = Rational (0)
+
+ if diff > Rational (0) and not (self.ignore_skips and moment == 0):
+ skip = musicexp.SkipEvent()
+ skip.duration.duration_log = 0
+ skip.duration.factor = diff
+
+ evc = musicexp.EventChord ()
+ evc.elements.append (skip)
+ self.add_music (evc, diff)
+
+ if diff > Rational (0) and moment == 0:
+ self.ignore_skips = False
+
+ def last_event_chord (self, starting_at):
+
+ value = None
+
+ # if the position matches, find the last EventChord, do not cross a bar line!
+ at = len( self.elements ) - 1
+ while (at >= 0 and
+ not isinstance (self.elements[at], musicexp.EventChord) and
+ not isinstance (self.elements[at], musicexp.BarLine)):
+ at -= 1
+
+ if (self.elements
+ and at >= 0
+ and isinstance (self.elements[at], musicexp.EventChord)
+ and self.begin_moment == starting_at):
+ value = self.elements[at]
+ else:
+ self.jumpto (starting_at)
+ value = None
+ return value
+
+ def correct_negative_skip (self, goto):
+ self.end_moment = goto
+ 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):
-
- ly_voice = []
- ly_now = Rational (0)
-
- tuplet_events = []
-
- for n in voice:
- if n.get_name () == 'forward':
- continue
-
- if isinstance (n, musicxml.Attributes):
- ly_voice.extend (musicxml_attributes_to_lily (n))
- continue
-
- if not n.__class__.__name__ == 'Note':
- print 'not a Note or Attributes?', n
- continue
-
- if n.is_first () and ly_voice:
- ly_voice[-1].comment += '\n'
-
- ev_chord = None
- if None == n.get_maybe_exist_typed_child (musicxml.Chord):
- if ly_voice:
- ly_now += ly_voice[-1].get_length ()
-
- if ly_now <> n._when:
- diff = n._when - ly_now
- if diff < Rational (0):
- print 'huh: negative skip', n._when, ly_now, n._duration
- diff = Rational (1,314159265)
-
- ly_voice.append (create_skip_music (diff))
- ly_now = n._when
-
- ly_voice.append (musicexp.EventChord())
- else:
- pass
-
- ev_chord = ly_voice[-1]
-
- main_event = musicxml_note_to_lily_main_event (n)
- ev_chord.append (main_event)
-
- notations = n.get_maybe_exist_typed_child (musicxml.Notations)
- tuplet_event = None
- span_events = []
- if notations:
- if notations.get_tuplet():
- mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
- frac = (1,1)
- if mod:
- frac = mod.get_fraction ()
-
- tuplet_events.append ((ev_chord, tuplet_event, frac))
-
- slurs = [s for s in notations.get_named_children ('slur')
- if s.get_type () in ('start','stop')]
- if slurs:
- if len (slurs) > 1:
- print 'more than 1 slur?'
-
- 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 ())
-
- mxl_beams = [b for b in n.get_named_children ('beam')
- if b.get_type () in ('begin', 'end')]
- if mxl_beams:
- beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
- if beam_ev:
- ev_chord.append (beam_ev)
-
- if tuplet_event:
- mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
- frac = (1,1)
- if mod:
- frac = mod.get_fraction ()
-
- tuplet_events.append ((ev_chord, tuplet_event, frac))
-
- ly_voice = group_tuplets (ly_voice, tuplet_events)
-
- seq_music = musicexp.SequentialMusic()
-
- seq_music.elements = ly_voice
- return seq_music
+ 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_tied = 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
+ 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 a:
+ voice_builder.add_partial (a)
+ continue
+
+ if isinstance (n, musicxml.Direction):
+ for a in musicxml_direction_to_lily (n):
+ if a.wait_for_note ():
+ voice_builder.add_dynamics (a)
+ else:
+ voice_builder.add_command (a)
+ continue
+
+ if isinstance (n, musicxml.Harmony):
+ for a in musicxml_harmony_to_lily (n):
+ if a.wait_for_note ():
+ voice_builder.add_dynamics (a)
+ else:
+ voice_builder.add_command (a)
+ continue
+
+ is_chord = n.get_maybe_exist_named_child ('chord')
+ if not is_chord:
+ try:
+ voice_builder.jumpto (n._when)
+ except NegativeSkip, neg:
+ voice_builder.correct_negative_skip (n._when)
+ n.message ("Negative skip? from %s to %s, diff %s" % (neg.here, neg.dest, neg.dest - neg.here))
+
+ if isinstance (n, musicxml.Attributes):
+ if n.is_first () and n._measure_position == Rational (0):
+ try:
+ number = int (n.get_parent ().number)
+ except ValueError:
+ number = 0
+ if number > 0:
+ voice_builder.add_bar_check (number)
+
+ for a in musicxml_attributes_to_lily (n):
+ voice_builder.add_command (a)
+ continue
+
+ if isinstance (n, musicxml.Barline):
+ barlines = musicxml_barline_to_lily (n)
+ for a in barlines:
+ if isinstance (a, musicexp.BarLine):
+ voice_builder.add_barline (a)
+ elif isinstance (a, RepeatMarker) or isinstance (a, EndingMarker):
+ voice_builder.add_command (a)
+ continue
+
+ if not n.__class__.__name__ == 'Note':
+ error_message ('not a Note or Attributes? %s' % n)
+ continue
+
+ rest = n.get_maybe_exist_typed_child (musicxml.Rest)
+ if (rest
+ and rest.is_whole_measure ()):
+
+ voice_builder.add_multibar_rest (n._duration)
+ continue
+
+ if n.is_first () and n._measure_position == Rational (0):
+ try:
+ num = int (n.get_parent ().number)
+ except ValueError:
+ num = 0
+ if num > 0:
+ voice_builder.add_bar_check (num)
+
+ main_event = musicxml_note_to_lily_main_event (n)
+ ignore_lyrics = inside_slur or is_tied or is_chord
+
+ if hasattr (main_event, 'drum_type') and main_event.drum_type:
+ modes_found['drummode'] = True
+
+
+ ev_chord = voice_builder.last_event_chord (n._when)
+ if not ev_chord:
+ ev_chord = musicexp.EventChord()
+ voice_builder.add_music (ev_chord, n._duration)
+
+ grace = n.get_maybe_exist_typed_child (musicxml.Grace)
+ if grace:
+ grace_chord = None
+ if n.get_maybe_exist_typed_child (musicxml.Chord) and ev_chord.grace_elements:
+ grace_chord = ev_chord.grace_elements.get_last_event_chord ()
+ if not grace_chord:
+ grace_chord = musicexp.EventChord ()
+ ev_chord.append_grace (grace_chord)
+ if hasattr (grace, 'slash'):
+ # TODO: use grace_type = "appoggiatura" for slurred grace notes
+ if grace.slash == "yes":
+ ev_chord.grace_type = "acciaccatura"
+ elif grace.slash == "no":
+ ev_chord.grace_type = "grace"
+ # now that we have inserted the chord into the grace music, insert
+ # everything into that chord instead of the ev_chord
+ ev_chord = grace_chord
+ ev_chord.append (main_event)
+ ignore_lyrics = True
+ else:
+ ev_chord.append (main_event)
+ # When a note/chord has grace notes (duration==0), the duration of the
+ # event chord is not yet known, but the event chord was already added
+ # with duration 0. The following correct this when we hit the real note!
+ if voice_builder.current_duration () == 0 and n._duration > 0:
+ voice_builder.set_duration (n._duration)
+
+ notations_children = n.get_typed_children (musicxml.Notations)
+ tuplet_event = None
+ span_events = []
+
+ # The <notation> element can have the following children (+ means implemented, ~ partially, - not):
+ # +tied | +slur | +tuplet | glissando | slide |
+ # ornaments | technical | articulations | dynamics |
+ # +fermata | arpeggiate | non-arpeggiate |
+ # accidental-mark | other-notation
+ for notations in notations_children:
+ if notations.get_tuplet():
+ tuplet_event = notations.get_tuplet()
+ mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
+ frac = (1,1)
+ if mod:
+ frac = mod.get_fraction ()
+
+ tuplet_events.append ((ev_chord, tuplet_event, frac))
+
+ slurs = [s for s in notations.get_named_children ('slur')
+ if s.get_type () in ('start','stop')]
+ if slurs:
+ if len (slurs) > 1:
+ error_message ('more than 1 slur?')
+ # record the slur status for the next note in the loop
+ 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)
+
+ 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:
+ ev = musicxml_fermata_to_lily_event (a)
+ if ev:
+ ev_chord.append (ev)
+
+ arpeggiate = notations.get_named_children ('arpeggiate')
+ for a in arpeggiate:
+ ev = musicxml_arpeggiate_to_lily_event (a)
+ if ev:
+ ev_chord.append (ev)
+
+ glissandos = notations.get_named_children ('glissando')
+ for a in glissandos:
+ ev = musicxml_spanner_to_lily_event (a)
+ if ev:
+ ev_chord.append (ev)
+
+ # Articulations can contain the following child elements:
+ # accent | strong-accent | staccato | tenuto |
+ # detached-legato | staccatissimo | spiccato |
+ # scoop | plop | doit | falloff | breath-mark |
+ # caesura | stress | unstress
+ # Technical can contain the following child elements:
+ # up-bow | down-bow | harmonic | open-string |
+ # thumb-position | fingering | pluck | double-tongue |
+ # triple-tongue | stopped | snap-pizzicato | fret |
+ # string | hammer-on | pull-off | bend | tap | heel |
+ # toe | fingernails | other-technical
+ # Ornaments can contain the following child elements:
+ # trill-mark | turn | delayed-turn | inverted-turn |
+ # shake | wavy-line | mordent | inverted-mordent |
+ # schleifer | tremolo | other-ornament, accidental-mark
+ ornaments = notations.get_named_children ('ornaments')
+ for a in ornaments:
+ for ch in a.get_named_children ('tremolo'):
+ ev = musicxml_tremolo_to_lily_event (ch)
+ if ev:
+ ev_chord.append (ev)
+
+ ornaments += notations.get_named_children ('articulations')
+ ornaments += notations.get_named_children ('technical')
+
+ for a in ornaments:
+ for ch in a.get_all_children ():
+ ev = musicxml_articulation_to_lily_event (ch)
+ if ev:
+ ev_chord.append (ev)
+
+ dynamics = notations.get_named_children ('dynamics')
+ for a in dynamics:
+ for ch in a.get_all_children ():
+ ev = musicxml_dynamics_to_lily_event (ch)
+ 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')
+ and b.is_primary ())]
+ if mxl_beams:
+ beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
+ if beam_ev:
+ ev_chord.append (beam_ev)
+
+ if tuplet_event:
+ mod = n.get_maybe_exist_typed_child (musicxml.Time_modification)
+ frac = (1,1)
+ if mod:
+ frac = mod.get_fraction ()
+
+ tuplet_events.append ((ev_chord, tuplet_event, frac))
+
+ ## force trailing mm rests to be written out.
+ voice_builder.add_music (musicexp.EventChord (), Rational (0))
+
+ ly_voice = group_tuplets (voice_builder.elements, tuplet_events)
+ ly_voice = group_repeats (ly_voice)
+
+ seq_music = musicexp.SequentialMusic ()
+
+ if 'drummode' in modes_found.keys ():
+ ## \key <pitch> barfs in drummode.
+ ly_voice = [e for e in ly_voice
+ if not isinstance(e, musicexp.KeySignatureChange)]
+
+ seq_music.elements = ly_voice
+ for k in lyrics.keys ():
+ 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.ly_voice = seq_music
+ for mode in modes_found.keys ():
+ v = musicexp.ModeChangingMusicWrapper()
+ v.element = seq_music
+ v.mode = mode
+ return_value.ly_voice = v
+
+ return return_value
def musicxml_id_to_lily (id):
- digits = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight',
- 'nine', 'ten']
-
- for dig in digits:
- d = digits.index (dig) + 1
- dig = dig[0].upper() + dig[1:]
- id = re.sub ('%d' % d, dig, id)
+ digits = ['Zero', 'One', 'Two', 'Three', 'Four', 'Five',
+ 'Six', 'Seven', 'Eight', 'Nine', 'Ten']
+
+ for digit in digits:
+ d = digits.index (digit)
+ id = re.sub ('%d' % d, digit, id)
- id = re.sub ('[^a-zA-Z]', 'X', id)
- return id
+ id = re.sub ('[^a-zA-Z]', 'X', id)
+ return id
def musicxml_pitch_to_lily (mxl_pitch):
- p = musicexp.Pitch()
- p.alteration = mxl_pitch.get_alteration ()
- p.step = (ord (mxl_pitch.get_step ()) - ord ('A') + 7 - 2) % 7
- p.octave = mxl_pitch.get_octave () - 4
- return p
+ p = musicexp.Pitch()
+ p.alteration = mxl_pitch.get_alteration ()
+ p.step = (ord (mxl_pitch.get_step ()) - ord ('A') + 7 - 2) % 7
+ p.octave = mxl_pitch.get_octave () - 4
+ return p
+
+def musicxml_restdisplay_to_lily (mxl_rest):
+ p = None
+ step = mxl_rest.get_step ()
+ if step:
+ p = musicexp.Pitch()
+ p.step = (ord (step) - ord ('A') + 7 - 2) % 7
+ octave = mxl_rest.get_octave ()
+ if octave and p:
+ p.octave = octave - 4
+ return p
+
+def voices_in_part (part):
+ """Return a Name -> Voice dictionary for PART"""
+ part.interpret ()
+ part.extract_voices ()
+ voice_dict = part.get_voices ()
+
+ return voice_dict
+
+def voices_in_part_in_parts (parts):
+ """return a Part -> Name -> Voice dictionary"""
+ return dict([(p, voices_in_part (p)) for p in parts])
+
def get_all_voices (parts):
- progress ("Synchronizing MusicXML...")
-
- all_voices = {}
- for p in parts:
- p.interpret ()
- p.extract_voices ()
- voice_dict = p.get_voices ()
-
- for (id, voice) in voice_dict.items ():
- m_name = 'Part' + p.id + 'Voice' + id
- m_name = musicxml_id_to_lily (m_name)
- all_voices[m_name] = voice
-
-
- progress ("Converting to LilyPond expressions...")
- all_ly_voices = {}
- for (k, v) in all_voices.items():
- all_ly_voices[k] = musicxml_voice_to_lily_voice (v)
-
- return all_ly_voices
-
-class NonDentedHeadingFormatter (optparse.IndentedHelpFormatter):
- def format_heading(self, heading):
- if heading:
- return heading[0].upper() + heading[1:] + ':\n'
- return ''
- def format_option_strings(self, option):
- sep = ' '
- if option._short_opts and option._long_opts:
- sep = ','
-
- metavar = ''
- if option.takes_value():
- metavar = '=' + option.metavar or option.dest.upper()
-
- return "%3s%s %s%s" % (" ".join (option._short_opts),
- sep,
- " ".join (option._long_opts),
- metavar)
-
- def format_usage(self, usage):
- return _("Usage: %s\n") % usage
-
- def format_description(self, description):
- return description
-
+ all_voices = voices_in_part_in_parts (parts)
-def option_parser ():
- p = optparse.OptionParser(usage='musicxml2ly FILE.xml',
- version = """%prog (LilyPond) @TOPLEVEL_VERSION@
+ all_ly_voices = {}
+ for p, name_voice in all_voices.items ():
+
+ part_ly_voices = {}
+ 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)
-This program is free software. It is covered by the GNU General Public
+ all_ly_voices[p] = part_ly_voices
+
+ return all_ly_voices
+
+
+def option_parser ():
+ p = ly.get_option_parser(usage=_ ("musicxml2ly FILE.xml"),
+ version=('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
+ +
+_ ("""This program is free software. It is covered by the GNU General Public
License and you are welcome to change it and/or distribute copies of it
-under certain conditions. Invoke as `lilypond --warranty' for more
-information.
+under certain conditions. Invoke as `%s --warranty' for more
+information.""") % 'lilypond'
++ """
+Copyright (c) 2005--2007 by
+ Han-Wen Nienhuys <hanwen@xs4all.nl> and
+ Jan Nieuwenhuizen <janneke@gnu.org>
+"""),
+ description=_ ("Convert %s to LilyPond input.") % 'MusicXML' + "\n")
+ p.add_option ('-v', '--verbose',
+ action="store_true",
+ dest='verbose',
+ help=_ ("be verbose"))
+
+ p.add_option ('', '--lxml',
+ action="store_true",
+ default=False,
+ dest="use_lxml",
+ help=_ ("Use lxml.etree; uses less memory and cpu time."))
+
+ p.add_option ('-o', '--output',
+ metavar=_ ("FILE"),
+ action="store",
+ default=None,
+ type='string',
+ dest='output_name',
+ help=_ ("set output filename to FILE"))
+ p.add_option_group ('bugs',
+ description=(_ ("Report bugs via")
+ + ''' http://post.gmane.org/post.php'''
+ '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
+ return p
+
+def music_xml_voice_name_to_lily_name (part, name):
+ str = "Part%sVoice%s" % (part.id, name)
+ return musicxml_id_to_lily (str)
+
+def music_xml_lyrics_name_to_lily_name (part, name, lyricsnr):
+ str = "Part%sVoice%sLyrics%s" % (part.id, name, lyricsnr)
+ return musicxml_id_to_lily (str)
+
+def print_voice_definitions (printer, part_list, voices):
+ part_dict={}
+ for (part, nv_dict) in voices.items():
+ part_dict[part.id] = (part, nv_dict)
+
+ 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) in nv_dict.items ():
+ k = music_xml_voice_name_to_lily_name (p, name)
+ printer.dump ('%s = ' % k)
+ voice.ly_voice.print_ly (printer)
+ printer.newline()
+
+ for l in voice.lyrics_order:
+ lname = music_xml_lyrics_name_to_lily_name (p, name, l)
+ printer.dump ('%s = ' %lname )
+ voice.lyrics_dict[l].print_ly (printer)
+ printer.newline()
+
+
+def uniq_list (l):
+ return dict ([(elt,1) for elt in l]).keys ()
+
+# format the information about the staff in the form
+# [staffid,
+# [
+# [voiceid1, [lyricsid11, lyricsid12,...] ...],
+# [voiceid2, [lyricsid21, lyricsid22,...] ...],
+# ...
+# ]
+# ]
+# raw_voices is of the form [(voicename, lyricsids)*]
+def format_staff_info (part, staff_id, raw_voices):
+ 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 lyricsids]
+ voices.append ([voice_name, voice_lyrics])
+ return [staff_id, voices]
+
+def update_score_setup (score_structure, part_list, voices):
+ part_dict = dict ([(p.id, p) for p in voices.keys ()])
+ final_part_dict = {}
+
+ for part_definition in part_list:
+ part_name = part_definition.id
+ part = part_dict.get (part_name)
+ if not part:
+ error_message ('unknown part in part-list: %s' % part_name)
+ continue
+
+ nv_dict = voices.get (part)
+ staves = reduce (lambda x,y: x+ y,
+ [voice.voicedata._staves.keys ()
+ for voice in nv_dict.values ()],
+ [])
+ staves_info = []
+ if len (staves) > 1:
+ staves_info = []
+ staves = uniq_list (staves)
+ staves.sort ()
+ for s in staves:
+ 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, voice.lyrics_order)
+ for (voice_name, voice) in nv_dict.items ()]
+ staves_info.append (format_staff_info (part, None, thisstaff_raw_voices))
+ score_structure.set_part_information (part_name, staves_info)
+
+def print_ly_preamble (printer, filename):
+ printer.dump_version ()
+ printer.print_verbatim ('%% automatically converted from %s\n' % filename)
+
+def read_musicxml (filename, use_lxml):
+ if use_lxml:
+ import lxml.etree
+
+ tree = lxml.etree.parse (filename)
+ mxl_tree = musicxml.lxml_demarshal_node (tree.getroot ())
+ return mxl_tree
+ else:
+ from xml.dom import minidom, Node
+
+ doc = minidom.parse(filename)
+ node = doc.documentElement
+ return musicxml.minidom_demarshal_node (node)
+
+ return None
+
+
+def convert (filename, options):
+ progress ("Reading MusicXML from %s ..." % filename)
+
+ tree = read_musicxml (filename, options.use_lxml)
-Copyright (c) 2005 by
- Han-Wen Nienhuys <hanwen@xs4all.nl> and
- Jan Nieuwenhuizen <janneke@gnu.org>
-""",
+ score_structure = None
+ mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
+ if mxl_pl:
+ score_structure = extract_score_layout (mxl_pl)
+ part_list = mxl_pl.get_named_children ("score-part")
- description =
- """Convert MusicXML file to LilyPond input.
-"""
- )
- p.add_option ('-v', '--verbose',
- action = "store_true",
- dest = 'verbose',
- help = 'be verbose')
- p.add_option ('-o', '--output',
- metavar = 'FILE',
- action = "store",
- default = None,
- type = 'string',
- dest = 'output',
- help = 'set output file')
-
- p.add_option_group ('', description = '''Report bugs via http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs
-''')
- p.formatter = NonDentedHeadingFormatter ()
- return p
-
-
-def convert (filename, output_name):
-
- printer = musicexp.Output_printer()
-
- progress ("Reading MusicXML...")
-
- tree = musicxml.read_musicxml (filename)
- parts = tree.get_typed_children (musicxml.Part)
-
- voices = get_all_voices (parts)
-
- if output_name:
- printer.file = open (output_name,'w')
-
- progress ("Printing as .ly...")
- for (k,v) in voices.items():
- printer.dump ('%s = ' % k)
- v.print_ly (printer)
- printer.newline()
-
- return voices
-
-
-opt_parser = option_parser()
-
-(options, args) = opt_parser.parse_args ()
-if not args:
- opt_parser.print_usage()
- sys.exit (2)
-
-voices = convert (args[0], options.output)
+ # score information is contained in the <work>, <identification> or <movement-title> tags
+ score_information = extract_score_information (tree)
+ parts = tree.get_typed_children (musicxml.Part)
+ voices = get_all_voices (parts)
+ update_score_setup (score_structure, part_list, voices)
+
+ if not options.output_name:
+ options.output_name = os.path.basename (filename)
+ options.output_name = os.path.splitext (options.output_name)[0]
+ elif re.match (".*\.ly", options.output_name):
+ options.output_name = os.path.splitext (options.output_name)[0]
+
+
+ defs_ly_name = options.output_name + '-defs.ly'
+ driver_ly_name = options.output_name + '.ly'
+
+ printer = musicexp.Output_printer()
+ progress ("Output to `%s'" % defs_ly_name)
+ printer.set_file (codecs.open (defs_ly_name, 'wb', encoding='utf-8'))
+
+ print_ly_preamble (printer, filename)
+ score_information.print_ly (printer)
+ print_voice_definitions (printer, part_list, voices)
+
+ printer.close ()
+
+
+ progress ("Output to `%s'" % driver_ly_name)
+ printer = musicexp.Output_printer()
+ printer.set_file (codecs.open (driver_ly_name, 'wb', encoding='utf-8'))
+ print_ly_preamble (printer, filename)
+ printer.dump (r'\include "%s"' % os.path.basename (defs_ly_name))
+ score_structure.print_ly (printer)
+ printer.newline ()
+
+ return voices
+
+def get_existing_filename_with_extension (filename, ext):
+ if os.path.exists (filename):
+ return filename
+ newfilename = filename + ".xml"
+ if os.path.exists (newfilename):
+ return newfilename;
+ newfilename = filename + "xml"
+ if os.path.exists (newfilename):
+ return newfilename;
+ return ''
+
+def main ():
+ opt_parser = option_parser()
+
+ (options, args) = opt_parser.parse_args ()
+ if not args:
+ opt_parser.print_usage()
+ sys.exit (2)
+
+ # Allow the user to leave out the .xml or xml on the filename
+ filename = get_existing_filename_with_extension (args[0], "xml")
+ if filename and os.path.exists (filename):
+ voices = convert (filename, options)
+ else:
+ progress ("Unable to find input file %s" % args[0])
+
+if __name__ == '__main__':
+ main()
projects / lilypond.git / blobdiff