def validate_only_notenames(s):
"""
Return (None, None, None) if the string s is only notenames
(pitch and duration). No ties or other tokens are allowed.
"""
lex = Lexer(s)
try:
for toc, toc_data in lex:
if not toc:
break
if toc != lex.NOTE:
return lex.get_error_location()
except InvalidNotenameException:
return lex.get_error_location()
return None, None, None
def validate_only_notenames(s):
"""
Return (None, None, None) if the string s is only notenames
(pitch and duration). No ties or other tokens are allowed.
"""
lex = Lexer(s)
try:
for toc, toc_data in lex:
if not toc:
break
if toc != lex.NOTE:
return lex.get_error_location()
except InvalidNotenameException:
return lex.get_error_location()
return None, None, None
def parse_to_score_object(music):
lexer = Lexer(music)
relative_mode = None
relto = None
transpose_pitch = None
TOPLEVEL = 1#'toplevel'
NOTES = 2#'notes'
START_OF_CHORD = 3#'start-of-chord'
CHORD = 4#'chord'
context = TOPLEVEL
score = elems.Score()
chord_duration = None
cur_duration = Duration(4, 0)
tie_is_in_the_air = 0
beam = None
# None when not parsing notes in a tuplet. Item 0 is the ration and 1.. is the notes
times = None
cur_staff = None
# This variable is set to the duration of the pickup bar from we parse
# \partial nn until the bar has been created.
partial = None
for toc, toc_data in lexer:
try:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
except AttributeError:
pass
if toc == Lexer.STAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.Staff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.RHYTHMSTAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.RhythmStaff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.VOICE:
if not cur_staff:
raise ParseError("Don't use \\addvoice before \\staff", lexer)
relative_mode = None
timepos = Rat(0)
cur_voice = cur_staff.add_voice()
elif toc == Lexer.RELATIVE:
assert not relative_mode
relative_mode = 1
relto = toc_data
elif toc == Lexer.TRANSPOSE:
transpose_pitch = toc_data
elif toc == Lexer.PARTIAL:
partial = toc_data
elif toc == Lexer.TIME:
if not cur_staff:
raise ParseError(u"\\time can not be used before \\staff", lexer)
# FIXME
# Also now, we only allow the first voice to change time signatures
if cur_staff.m_voices.index(cur_voice) != 0:
raise ParseError(u"only timesig in first voice", lexer)
# FIXME: we are stricter with time signatures that both solfege 3.16
# and LilyPond
if not cur_voice.is_bar_full():
raise ParseError(u"timesig change only when bar is full!", lexer)
if partial:
score.add_partial_bar(partial, toc_data)
partial = None
else:
score.add_bar(toc_data)
elif toc == Lexer.KEY:
p = MusicalPitch.new_from_notename(toc_data[0])
if transpose_pitch:
p.transpose_by_musicalpitch(transpose_pitch)
k = (p.get_notename(), toc_data[1])
if not cur_staff:
raise ParseError(u"\\key can not be used before \\staff", lexer)
cur_staff.set_key_signature(k, timepos)
elif toc == Lexer.TIMES:
if not times:
times = [toc_data]
else:
raise ParseError(r"\times nn/nn does not nest", lexer)
elif toc == Lexer.CLEF:
try:
cur_staff.set_clef(toc_data, timepos)
except elems.UnknownClefException, e:
e.m_lineno, e.m_linepos1, e.m_linepos2 = lexer.get_error_location()
raise
elif toc == '|':
if timepos != score.get_bar_at(last_pos).end():
logging.warning("Bar check failed at %s", timepos)
def parse_to_score_object(music):
lexer = Lexer(music)
relative_mode = None
relto = None
transpose_pitch = None
TOPLEVEL = 1 #'toplevel'
NOTES = 2 #'notes'
START_OF_CHORD = 3 #'start-of-chord'
CHORD = 4 #'chord'
context = TOPLEVEL
score = elems.Score()
chord_duration = None
cur_duration = Duration(4, 0)
tie_is_in_the_air = 0
beam = None
# None when not parsing notes in a tuplet. Item 0 is the ration and 1.. is the notes
times = None
cur_staff = None
# This variable is set to the duration of the pickup bar from we parse
# \partial nn until the bar has been created.
partial = None
for toc, toc_data in lexer:
try:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
except AttributeError:
pass
if toc == Lexer.STAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.Staff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.RHYTHMSTAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.RhythmStaff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.VOICE:
if not cur_staff:
raise ParseError("Don't use \\addvoice before \\staff", lexer)
relative_mode = None
timepos = Rat(0)
cur_voice = cur_staff.add_voice()
elif toc == Lexer.RELATIVE:
assert not relative_mode
relative_mode = 1
relto = toc_data
elif toc == Lexer.TRANSPOSE:
transpose_pitch = toc_data
elif toc == Lexer.PARTIAL:
partial = toc_data
elif toc == Lexer.TIME:
if not cur_staff:
raise ParseError(u"\\time can not be used before \\staff",
lexer)
# FIXME
# Also now, we only allow the first voice to change time signatures
if cur_staff.m_voices.index(cur_voice) != 0:
raise ParseError(u"only timesig in first voice", lexer)
# FIXME: we are stricter with time signatures that both solfege 3.16
# and LilyPond
if not cur_voice.is_bar_full():
raise ParseError(u"timesig change only when bar is full!",
lexer)
if partial:
score.add_partial_bar(partial, toc_data)
partial = None
else:
score.add_bar(toc_data)
elif toc == Lexer.KEY:
p = MusicalPitch.new_from_notename(toc_data[0])
if transpose_pitch:
p.transpose_by_musicalpitch(transpose_pitch)
k = (p.get_notename(), toc_data[1])
if not cur_staff:
raise ParseError(u"\\key can not be used before \\staff",
lexer)
cur_staff.set_key_signature(k, timepos)
elif toc == Lexer.TIMES:
if not times:
times = [toc_data]
else:
raise ParseError(r"\times nn/nn does not nest", lexer)
elif toc == Lexer.CLEF:
try:
cur_staff.set_clef(toc_data, timepos)
except elems.UnknownClefException, e:
e.m_lineno, e.m_linepos1, e.m_linepos2 = lexer.get_error_location(
)
raise
elif toc == '|':
if timepos != score.get_bar_at(last_pos).end():
logging.warning("Bar check failed at %s", timepos)
def parse_to_score_object(music):
lexer = Lexer(music)
relative_mode = None
relto = None
transpose_pitch = None
TOPLEVEL = 1 # 'toplevel'
NOTES = 2 # 'notes'
START_OF_CHORD = 3 # 'start-of-chord'
CHORD = 4 # 'chord'
context = TOPLEVEL
score = elems.Score()
chord_duration = None
cur_duration = Duration(4, 0)
tie_is_in_the_air = 0
beam = None
# None when not parsing notes in a tuplet. Item 0 is the ration and 1.. is the notes
times = None
cur_staff = None
# we set it just so pyflakes does not complain.
relto_backup = None
# This variable is set to the duration of the pickup bar from we parse
# \partial nn until the bar has been created.
partial = None
for toc, toc_data in lexer:
try:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
except AttributeError:
pass
if toc == Lexer.STAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.Staff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.RHYTHMSTAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.RhythmStaff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.VOICE:
if not cur_staff:
raise ParseError("Don't use \\addvoice before \\staff", lexer)
relative_mode = None
timepos = Rat(0)
cur_voice = cur_staff.add_voice()
elif toc == Lexer.RELATIVE:
assert not relative_mode
relative_mode = 1
relto = toc_data
elif toc == Lexer.TRANSPOSE:
transpose_pitch = toc_data
elif toc == Lexer.PARTIAL:
partial = toc_data
elif toc == Lexer.TIME:
if not cur_staff:
raise ParseError("\\time can not be used before \\staff", lexer)
# FIXME
# Also now, we only allow the first voice to change time signatures
if cur_staff.m_voices.index(cur_voice) != 0:
raise ParseError("only timesig in first voice", lexer)
# FIXME: we are stricter with time signatures that both solfege 3.16
# and LilyPond
if not cur_voice.is_bar_full():
raise ParseError("timesig change only when bar is full!", lexer)
if partial:
score.add_partial_bar(partial, toc_data)
partial = None
else:
score.add_bar(toc_data)
elif toc == Lexer.KEY:
p = MusicalPitch.new_from_notename(toc_data[0])
if transpose_pitch:
p.transpose_by_musicalpitch(transpose_pitch)
k = (p.get_notename(), toc_data[1])
if not cur_staff:
raise ParseError("\\key can not be used before \\staff", lexer)
cur_staff.set_key_signature(k, timepos)
elif toc == Lexer.TIMES:
if not times:
times = [toc_data]
else:
raise ParseError(r"\times nn/nn does not nest", lexer)
elif toc == Lexer.CLEF:
try:
cur_staff.set_clef(toc_data, timepos)
except elems.UnknownClefException as e:
e.m_lineno, e.m_linepos1, e.m_linepos2 = lexer.get_error_location()
raise
elif toc == '|':
if timepos != score.get_bar_at(last_pos).end():
logging.warning("Bar check failed at %s", timepos)
elif toc == '{':
if (context == TOPLEVEL):
context = NOTES
# if not cur_staff.m_coldict[Rat(0, 1)].m_keysignature:
# FIXME dont understand
if transpose_pitch:
k = (transpose_pitch.get_notename(), 'major')
else:
k = ('c', 'major')
cur_voice.set_key_signature(k)
else:
raise ParseError("Token '{' not allowed here.", lexer)
elif toc == '<':
if context == NOTES:
context = START_OF_CHORD
else:
raise ParseError("Token '<' not allowed here.", lexer)
elif toc == '>':
if context == CHORD:
if tie_is_in_the_air:
# The 3.16-parser only handles ties between whole chords, not
# single tones of a chord.
if tie_is_in_the_air:
for last_note in cur_voice.m_tdict[last_pos]['elem']:
for cur_note in cur_voice.m_tdict[timepos]['elem']:
if last_note.m_musicalpitch.get_octave_notename() == cur_note.m_musicalpitch.get_octave_notename():
cur_voice.tie([last_note, cur_note])
tie_is_in_the_air = 0
last_pos = timepos
timepos = timepos + chord_duration.get_rat_value()
chord_duration = None
relto = relto_backup
relto_backup = None
context = NOTES
else:
raise ParseError("Token '>' not allowed here.", lexer)
elif toc == '}':
if context == NOTES:
if times:
cur_voice.tuplet(times[0], tuplet_dir, times[1:])
times = None
cur_duration.m_tuplet = Rat(1, 1)
else:
context = TOPLEVEL
else:
raise ParseError("Token '}' not allowed here.", lexer)
elif toc == '[':
beam = []
elif toc == ']':
cur_voice.beam(beam)
beam = None
elif toc == '~':
tie_is_in_the_air = 1
elif toc == Lexer.NOTE and (context in [NOTES, CHORD, START_OF_CHORD]):
# FIXME check if toc_data.m_duration will ever be undefined.
# If not we can do this: if not toc_data.m_duration:
if not getattr(toc_data, 'm_duration', None):
toc_data.m_duration = cur_duration.clone()
if times:
toc_data.m_duration.m_tuplet = times[0].clone()
if relative_mode:
toc_data.m_pitch = musicalpitch_relative(
relto, toc_data.m_pitch)
relto = toc_data.m_pitch.clone()
if transpose_pitch:
toc_data.transpose(transpose_pitch)
if partial:
score.add_partial_bar(partial, None)
partial = None
if context == NOTES:
note = elems.Note(toc_data.m_pitch, toc_data.m_duration)
try:
cur_voice.append(note, stem_dir)
except elems.Voice.BarFullException as e:
raise ParseError(str(e), lexer)
if beam is not None:
beam.append(note)
if times is not None:
times.append(note)
# The 3.16-parser only handles ties between whole chords, not
# single tones of a chord.
if tie_is_in_the_air:
for note in cur_voice.m_tdict[last_pos]['elem']:
for n in cur_voice.m_tdict[timepos]['elem']:
if n.m_musicalpitch.get_octave_notename() == note.m_musicalpitch.get_octave_notename():
cur_voice.tie([note, n])
tie_is_in_the_air = 0
last_pos = timepos
timepos = timepos + toc_data.m_duration.get_rat_value()
elif context == START_OF_CHORD:
cur_voice.append(elems.Note(toc_data.m_pitch, toc_data.m_duration), stem_dir)
relto_backup = relto
chord_duration = toc_data.m_duration
context = CHORD
elif context == CHORD:
cur_voice.add_to(timepos, elems.Note(toc_data.m_pitch, toc_data.m_duration))
elif toc == Lexer.SKIP and context == NOTES:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
else:
toc_data.m_duration = cur_duration.clone()
skip = elems.Skip(toc_data.m_duration)
cur_voice.append(skip)
last_pos = timepos
timepos = timepos + toc_data.m_duration.get_rat_value()
elif toc == Lexer.REST and context == NOTES:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
else:
toc_data.m_duration = cur_duration.clone()
rest = elems.Rest(toc_data.m_duration)
cur_voice.append(rest)
last_pos = timepos
timepos += toc_data.m_duration.get_rat_value()
elif toc == Lexer.STEMDIR:
stem_dir = toc_data
elif toc == Lexer.TUPLETDIR:
tuplet_dir = toc_data
else:
raise ParseError(toc, lexer)
return score
def parse_to_score_object(music):
lexer = Lexer(music)
relative_mode = None
relto = None
transpose_pitch = None
TOPLEVEL = 1 # 'toplevel'
NOTES = 2 # 'notes'
START_OF_CHORD = 3 # 'start-of-chord'
CHORD = 4 # 'chord'
context = TOPLEVEL
score = elems.Score()
chord_duration = None
cur_duration = Duration(4, 0)
tie_is_in_the_air = 0
beam = None
# None when not parsing notes in a tuplet. Item 0 is the ration and 1.. is the notes
times = None
cur_staff = None
# we set it just so pyflakes does not complain.
relto_backup = None
# This variable is set to the duration of the pickup bar from we parse
# \partial nn until the bar has been created.
partial = None
for toc, toc_data in lexer:
try:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
except AttributeError:
pass
if toc == Lexer.STAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.Staff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.RHYTHMSTAFF:
assert context == TOPLEVEL
cur_staff = score.add_staff(elems.RhythmStaff)
cur_voice = cur_staff.m_voices[-1]
stem_dir = const.BOTH
tuplet_dir = const.BOTH
relative_mode = None
timepos = Rat(0)
last_pos = timepos
elif toc == Lexer.VOICE:
if not cur_staff:
raise ParseError("Don't use \\addvoice before \\staff", lexer)
relative_mode = None
timepos = Rat(0)
cur_voice = cur_staff.add_voice()
elif toc == Lexer.RELATIVE:
assert not relative_mode
relative_mode = 1
relto = toc_data
elif toc == Lexer.TRANSPOSE:
transpose_pitch = toc_data
elif toc == Lexer.PARTIAL:
partial = toc_data
elif toc == Lexer.TIME:
if not cur_staff:
raise ParseError("\\time can not be used before \\staff",
lexer)
# FIXME
# Also now, we only allow the first voice to change time signatures
if cur_staff.m_voices.index(cur_voice) != 0:
raise ParseError("only timesig in first voice", lexer)
# FIXME: we are stricter with time signatures that both solfege 3.16
# and LilyPond
if not cur_voice.is_bar_full():
raise ParseError("timesig change only when bar is full!",
lexer)
if partial:
score.add_partial_bar(partial, toc_data)
partial = None
else:
score.add_bar(toc_data)
elif toc == Lexer.KEY:
p = MusicalPitch.new_from_notename(toc_data[0])
if transpose_pitch:
p.transpose_by_musicalpitch(transpose_pitch)
k = (p.get_notename(), toc_data[1])
if not cur_staff:
raise ParseError("\\key can not be used before \\staff", lexer)
cur_staff.set_key_signature(k, timepos)
elif toc == Lexer.TIMES:
if not times:
times = [toc_data]
else:
raise ParseError(r"\times nn/nn does not nest", lexer)
elif toc == Lexer.CLEF:
try:
cur_staff.set_clef(toc_data, timepos)
except elems.UnknownClefException as e:
e.m_lineno, e.m_linepos1, e.m_linepos2 = lexer.get_error_location(
)
raise
elif toc == '|':
if timepos != score.get_bar_at(last_pos).end():
logging.warning("Bar check failed at %s", timepos)
elif toc == '{':
if (context == TOPLEVEL):
context = NOTES
# if not cur_staff.m_coldict[Rat(0, 1)].m_keysignature:
# FIXME dont understand
if transpose_pitch:
k = (transpose_pitch.get_notename(), 'major')
else:
k = ('c', 'major')
cur_voice.set_key_signature(k)
else:
raise ParseError("Token '{' not allowed here.", lexer)
elif toc == '<':
if context == NOTES:
context = START_OF_CHORD
else:
raise ParseError("Token '<' not allowed here.", lexer)
elif toc == '>':
if context == CHORD:
if tie_is_in_the_air:
# The 3.16-parser only handles ties between whole chords, not
# single tones of a chord.
if tie_is_in_the_air:
for last_note in cur_voice.m_tdict[last_pos]['elem']:
for cur_note in cur_voice.m_tdict[timepos]['elem']:
if last_note.m_musicalpitch.get_octave_notename(
) == cur_note.m_musicalpitch.get_octave_notename(
):
cur_voice.tie([last_note, cur_note])
tie_is_in_the_air = 0
last_pos = timepos
timepos = timepos + chord_duration.get_rat_value()
chord_duration = None
relto = relto_backup
relto_backup = None
context = NOTES
else:
raise ParseError("Token '>' not allowed here.", lexer)
elif toc == '}':
if context == NOTES:
if times:
cur_voice.tuplet(times[0], tuplet_dir, times[1:])
times = None
cur_duration.m_tuplet = Rat(1, 1)
else:
context = TOPLEVEL
else:
raise ParseError("Token '}' not allowed here.", lexer)
elif toc == '[':
beam = []
elif toc == ']':
cur_voice.beam(beam)
beam = None
elif toc == '~':
tie_is_in_the_air = 1
elif toc == Lexer.NOTE and (context in [NOTES, CHORD, START_OF_CHORD]):
# FIXME check if toc_data.m_duration will ever be undefined.
# If not we can do this: if not toc_data.m_duration:
if not getattr(toc_data, 'm_duration', None):
toc_data.m_duration = cur_duration.clone()
if times:
toc_data.m_duration.m_tuplet = times[0].clone()
if relative_mode:
toc_data.m_pitch = musicalpitch_relative(
relto, toc_data.m_pitch)
relto = toc_data.m_pitch.clone()
if transpose_pitch:
toc_data.transpose(transpose_pitch)
if partial:
score.add_partial_bar(partial, None)
partial = None
if context == NOTES:
note = elems.Note(toc_data.m_pitch, toc_data.m_duration)
try:
cur_voice.append(note, stem_dir)
except elems.Voice.BarFullException as e:
raise ParseError(str(e), lexer)
if beam is not None:
beam.append(note)
if times is not None:
times.append(note)
# The 3.16-parser only handles ties between whole chords, not
# single tones of a chord.
if tie_is_in_the_air:
for note in cur_voice.m_tdict[last_pos]['elem']:
for n in cur_voice.m_tdict[timepos]['elem']:
if n.m_musicalpitch.get_octave_notename(
) == note.m_musicalpitch.get_octave_notename():
cur_voice.tie([note, n])
tie_is_in_the_air = 0
last_pos = timepos
timepos = timepos + toc_data.m_duration.get_rat_value()
elif context == START_OF_CHORD:
cur_voice.append(
elems.Note(toc_data.m_pitch, toc_data.m_duration),
stem_dir)
relto_backup = relto
chord_duration = toc_data.m_duration
context = CHORD
elif context == CHORD:
cur_voice.add_to(
timepos, elems.Note(toc_data.m_pitch, toc_data.m_duration))
elif toc == Lexer.SKIP and context == NOTES:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
else:
toc_data.m_duration = cur_duration.clone()
skip = elems.Skip(toc_data.m_duration)
cur_voice.append(skip)
last_pos = timepos
timepos = timepos + toc_data.m_duration.get_rat_value()
elif toc == Lexer.REST and context == NOTES:
if toc_data.m_duration:
cur_duration = toc_data.m_duration.clone()
else:
toc_data.m_duration = cur_duration.clone()
rest = elems.Rest(toc_data.m_duration)
cur_voice.append(rest)
last_pos = timepos
timepos += toc_data.m_duration.get_rat_value()
elif toc == Lexer.STEMDIR:
stem_dir = toc_data
elif toc == Lexer.TUPLETDIR:
tuplet_dir = toc_data
else:
raise ParseError(toc, lexer)
return score