def check_manuals_ranges(score):
manuals_voice_1 = score['Manuals Voice 1']
manuals_voice_2 = score['Manuals Voice 2']
rh_manual_range = abjad.pitchtools.PitchRange('[-20, 43]')
lh_manual_range = abjad.pitchtools.PitchRange('[-32, 25]')
lh_total = 0
lh_violations = 0
for note in abjad.iterate(manuals_voice_1).by_class(abjad.Note):
lh_total += 1
if note not in lh_manual_range:
lh_violations += 1
abjad.label(note).color_leaves('red')
#message = '{} of {} lh pitches out of range.'
#message = message.format(lh_violations, lh_total)
#print(message)
rh_total = 0
rh_violations = 0
for note in abjad.iterate(manuals_voice_2).by_class(abjad.Note):
rh_total += 1
if note not in rh_manual_range:
rh_violations += 1
#message = '{} of {} rh pitches out of range.'
#message = message.format(rh_violations, rh_total)
#print(message)
if lh_violations or rh_violations:
#message = 'pitches out of range!'
#raise Exception(message)
#print(message)
pass
def test_scoretools_Iteration__depth_first_03():
r'''Duplicates-allowed depth-first search: nodes yield every time they are
traversed. '''
# LEFT-TO-RIGHT #
iterator = abjad.iterate(staff[2])._depth_first(unique=False, )
assert next(iterator) is staff[2]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2][0][0]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2][0][1]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2][1][0]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2][1][1]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2]
assert pytest.raises(StopIteration, 'next(iterator)')
r'''
abjad.Container(abjad.Voice(d'8, ef'8), abjad.Voice(e'8, f'8))
Voice(d'8, ef'8)
d'8
Voice(d'8, ef'8)
ef'8
Voice(d'8, ef'8)
abjad.Container(abjad.Voice(d'8, ef'8), abjad.Voice(e'8, f'8))
Voice(e'8, f'8)
e'8
Voice(e'8, f'8)
f'8
Voice(e'8, f'8)
abjad.Container(abjad.Voice(d'8, ef'8), abjad.Voice(e'8, f'8))
'''
# RIGHT-TO-LEFT #
iterator = abjad.iterate(staff[2])._depth_first(
direction=abjad.Right,
unique=False,
)
assert next(iterator) is staff[2]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2][1][1]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2][1][0]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2][0][1]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2][0][0]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2]
assert pytest.raises(StopIteration, 'next(iterator)')
r'''
def comment_measure_numbers(score):
"""
Comments measure numbers in ``score``.
"""
import abjad
offset_to_measure_number = {}
for context in abjad.iterate(score).components(abjad.Context):
if not context.simultaneous:
break
site = "abjad.SegmentMaker.comment_measure_numbers()"
measures = abjad.select(context).leaves().group_by_measure()
for i, measure in enumerate(measures):
measure_number = i + 1
first_leaf = abjad.select(measure).leaf(0)
start_offset = abjad.inspect(first_leaf).timespan().start_offset
offset_to_measure_number[start_offset] = measure_number
for leaf in abjad.iterate(score).leaves():
offset = abjad.inspect(leaf).timespan().start_offset
measure_number = offset_to_measure_number.get(offset, None)
if measure_number is None:
continue
context = abjad.inspect(leaf).parentage().get(abjad.Context)
if context.name is None:
string = (
f"% [{context.lilypond_type} measure {measure_number}]")
else:
string = f"% [{context.name} measure {measure_number}]"
literal = abjad.LilyPondLiteral(string, "absolute_before")
tag = abjad.Tag("COMMENT_MEASURE_NUMBERS").append(site)
abjad.attach(literal, leaf, tag=tag)
def _handle_voice(self, voice, current_stage):
# hide all noteheads if no fingerings.py
if self._fingerings is None or self._fingerings[current_stage] is None:
for note in abjad.iterate(voice).by_leaf():
self._hide_note_head(note)
return
# get logical ties and construct left_hand tablature
previous_fingering = None
for logical_tie in abjad.iterate(voice).by_logical_tie():
if logical_tie.is_pitched:
fingering_index = WoodwindFingeringHandler._cycle_next(
self._fingering_patterns,
current_stage
)
fingering = self._fingerings[current_stage][fingering_index]
self._construct_fingering_tablature(
logical_tie=logical_tie,
fingering=fingering,
previous_fingering=previous_fingering,
)
previous_fingering = fingering
else:
previous_fingering = None
def test_scoretools_Iteration__depth_first_06():
r'''Uncapped and restricted depth-first search.
'''
# LEFT-TO-RIGHT #
iterator = abjad.iterate(staff[2])._depth_first(
capped=False,
forbid='simultaneous',
)
assert next(iterator) is staff[2]
assert next(iterator) is staff
assert next(iterator) is staff[3]
assert next(iterator) is staff[4]
r'''
abjad.Container(abjad.Voice(d'8, ef'8), abjad.Voice(e'8, f'8))
Staff{5}
fs'8
iterator'8
'''
# RIGHT-TO-LEFT #
iterator = abjad.iterate(staff[2])._depth_first(
capped=False,
direction=abjad.Right,
forbid='simultaneous',
)
assert next(iterator) is staff[2]
assert next(iterator) is staff
assert next(iterator) is staff[1]
assert next(iterator) is staff[0]
r'''
def comment_measure_numbers(score):
"""
Comments measure numbers in ``score``.
"""
import abjad
offset_to_measure_number = {}
for context in abjad.iterate(score).components(abjad.Context):
if not context.is_simultaneous:
break
measures = abjad.select(context).leaves().group_by_measure()
for i, measure in enumerate(measures):
measure_number = i + 1
first_leaf = abjad.select(measure).leaf(0)
start_offset = abjad.inspect(first_leaf).timespan().start_offset
offset_to_measure_number[start_offset] = measure_number
for leaf in abjad.iterate(score).leaves():
offset = abjad.inspect(leaf).timespan().start_offset
measure_number = offset_to_measure_number.get(offset, None)
if measure_number is None:
continue
context = abjad.inspect(leaf).parentage().get(abjad.Context)
if context.name is None:
string = (
f"% [{context.lilypond_type} measure {measure_number}]"
)
else:
string = f"% [{context.name} measure {measure_number}]"
literal = abjad.LilyPondLiteral(string, "absolute_before")
abjad.attach(literal, leaf, tag="COMMENT_MEASURE_NUMBERS")
def __call__(self, segment_maker):
r'''Calls spacing specifier.
Returns none.
'''
score = segment_maker._score
skip_context = score['Time Signature Context Skips']
leaves = abjad.iterate(score).by_leaf()
minimum_leaf_durations_by_measure = \
self._get_minimum_leaf_durations_by_measure(skip_context, leaves)
fermata_start_offsets = getattr(
segment_maker,
'_fermata_start_offsets',
[],
)
skips = abjad.iterate(skip_context).by_leaf(abjad.scoretools.Skip)
for measure_index, skip in enumerate(skips):
measure_timespan = abjad.inspect_(skip).get_timespan()
if (self.fermata_measure_width is not None and
measure_timespan.start_offset in fermata_start_offsets):
duration = self.fermata_measure_width
else:
duration = minimum_leaf_durations_by_measure[measure_index]
if self.minimum_width is not None:
if self.minimum_width < duration:
duration = self.minimum_width
if self.multiplier is not None:
duration = duration / self.multiplier
command = abjad.indicatortools.LilyPondCommand('newSpacingSection')
abjad.attach(command, skip)
moment = abjad.schemetools.SchemeMoment(duration)
abjad.set_(skip).score.proportional_notation_duration = moment
def _populate_time_signature_contexts(self):
r""" Makes and inserts blank measures for time signature context and
attaches tempo indicators.
"""
for staff in abjad.iterate(self._score).by_class(abjad.Context):
# if staff.name is 'Separator':
# measures = self._make_skip_filled_measures()
# staff.extend(measures)
if staff.context_name == 'TimeSignatureContext':
if self._ruler:
measures = self._make_repeated_note_measures()
else:
measures = self._make_skip_filled_measures()
# attach Tempi
for tempo in self.tempo_map:
if tempo[0] < len(measures):
abjad.attach(tempo[1], measures[tempo[0]][0])
# attach dummy first bar command
leaves = abjad.iterate(measures).by_class(abjad.Leaf)
leaves = list(leaves)
first_leaf = leaves[0]
dummy_first_bar_command = abjad.indicatortools.LilyPondCommand(
'bar ""'
)
abjad.attach(dummy_first_bar_command, first_leaf)
voice = abjad.Voice(measures)
staff.append(voice)
def apply_pitches(containers, pitched_notes):
pitch_index = 0
#leaves = abjad.iterate(containers).leaves()
leaves = abjad.iterate(containers).leaves(grace_notes=False)
for leaf_index, leaf in enumerate(leaves):
if not isinstance(leaf, abjad.Note):
continue
if leaf_index == 603:
pitch_index += 1
pitched_note = pitched_notes[pitch_index]
written_pitch = pitched_note.written_pitch
leaf.written_pitch = written_pitch
if written_pitch == -1:
abjad.label(leaf).color_leaves('green')
pitch_index += 1
inspection = abjad.inspect(leaf)
grace_container = inspection.grace_container()
if not grace_container:
continue
for grace_container in [grace_container]:
agent = abjad.iterate(grace_container)
for note in agent.leaves(pitched=True):
pitched_note = pitched_notes[pitch_index]
written_pitch = pitched_note.written_pitch
note.written_pitch = written_pitch
pitch_index += 1
def test_scoretools_Iteration__depth_first_07():
r'''Restricted depth-first search with duplicates allowed.
'''
# LEFT-TO-RIGHT
iterator = abjad.iterate(staff)._depth_first(
forbid='simultaneous',
unique=False,
)
assert next(iterator) is staff
assert next(iterator) is staff[0]
assert next(iterator) is staff
assert next(iterator) is staff[1]
assert next(iterator) is staff
assert next(iterator) is staff[2]
assert next(iterator) is staff
assert next(iterator) is staff[3]
assert next(iterator) is staff
assert next(iterator) is staff[4]
assert next(iterator) is staff
assert pytest.raises(StopIteration, 'next(iterator)')
r'''
Staff{5}
c'8
Staff{5}
cs'8
Staff{5}
abjad.Container(abjad.Voice(d'8, ef'8), abjad.Voice(e'8, f'8))
Staff{5}
fs'8
Staff{5}
iterator'8
Staff{5}
'''
# RIGHT-TO-LEFT #
iterator = abjad.iterate(staff)._depth_first(
direction=abjad.Right,
forbid='simultaneous',
unique=False,
)
assert next(iterator) is staff
assert next(iterator) is staff[4]
assert next(iterator) is staff
assert next(iterator) is staff[3]
assert next(iterator) is staff
assert next(iterator) is staff[2]
assert next(iterator) is staff
assert next(iterator) is staff[1]
assert next(iterator) is staff
assert next(iterator) is staff[0]
assert next(iterator) is staff
assert pytest.raises(StopIteration, 'next(iterator)')
r'''
def test_scoretools_VerticalMoment___hash___01():
r'''Vertical moments behave well when included in a set.
'''
staff = abjad.Staff("c'8 d'8 e'8 f'8")
vms = []
vms.extend(abjad.iterate(staff).vertical_moments())
vms.extend(abjad.iterate(staff).vertical_moments())
assert len(vms) == 8
assert len(set(vms)) == 4
def _iterate_logical_ties(voice):
i = -1
count = len(list(abjad.iterate(voice).by_logical_tie()))
for tie in abjad.iterate(voice).by_logical_tie():
start_moment = abjad.inspect(
tie.head
).get_vertical_moment(voice)
offset_start = float(start_moment.offset)
offset_end = offset_start + float(tie.get_duration())
i += 1
yield tie, offset_start, offset_end, i, count
def test_scoretools_Iteration__depth_first_02():
r'''Uncapped depth-first search: uncapped iteration returns
all elements above self._client
'''
# LEFT-TO-RIGHT #
iterator = abjad.iterate(staff[2])._depth_first(capped=False, )
assert next(iterator) is staff[2]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2][0][0]
assert next(iterator) is staff[2][0][1]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2][1][0]
assert next(iterator) is staff[2][1][1]
assert next(iterator) is staff
assert next(iterator) is staff[3]
assert next(iterator) is staff[4]
assert pytest.raises(StopIteration, 'next(iterator)')
r'''
abjad.Container(abjad.Voice(d'8, ef'8), abjad.Voice(e'8, f'8))
Voice(d'8, ef'8)
d'8
ef'8
Voice(e'8, f'8)
e'8
f'8
Staff{5}
fs'8
iterator'8
'''
# RIGHT-TO-LEFT #
iterator = abjad.iterate(staff[2])._depth_first(
capped=False,
direction=abjad.Right,
)
assert next(iterator) is staff[2]
assert next(iterator) is staff[2][1]
assert next(iterator) is staff[2][1][1]
assert next(iterator) is staff[2][1][0]
assert next(iterator) is staff[2][0]
assert next(iterator) is staff[2][0][1]
assert next(iterator) is staff[2][0][0]
assert next(iterator) is staff
assert next(iterator) is staff[1]
assert next(iterator) is staff[0]
assert pytest.raises(StopIteration, 'next(iterator)')
r'''
def test_make_measures_01():
t = abjad.Voice([abjad.Note(n, (1, 8)) for n in range(8)])
assert len(t) == 8
leaves_before = abjad.iterate(t).by_leaf()
leaves_before = list(leaves_before)
lidercfeny.etc.transforms.make_measures(t, [(n, 8) for n in (2, 2, 2, 2)])
assert len(t) == 4
leaves_after = abjad.iterate(t).by_leaf()
leaves_after = list(leaves_after)
assert leaves_before == leaves_after
for x in t:
assert isinstance(x, abjad.Measure)
assert abjad.inspect_(x).get_duration() == abjad.Duration(2, 8)
def set_articulations(voice, articulations, *args, **kwargs):
r"""Iterates leaves and sets articulations.
"""
leaves = abjad.iterate(voice).by_leaf()
leaves = list(leaves)
if len(args) == 0:
start = 0
stop = len(leaves)
elif len(args) == 1:
start = stop = args
elif len(args) == 2:
start, stop = args
else:
raise ValueError
leafSlice = leaves[start : stop + 1]
if kwargs.has_key("exclude"):
exclude = kwargs["exclude"]
else:
exclude = True
for l in leafSlice:
if instance(l, (Note, Chord)) or not exclude:
if isinstance(articulations, str):
l.articulations = [articulations]
elif isinstance(articulations, list):
l.articulations = articulations
else:
raise ValueError
def __illustrate__(self):
score = self()
time_signatures = [
(3, 4), (7, 8), (2, 4), (5, 16),
(4, 4), (6, 8), (5, 4), (3, 8),
(3, 4), (7, 8), (2, 4), (5, 16),
]
for voice in iterate(score).by_class(abjad.Voice):
for pair in time_signatures:
rest = abjad.MultimeasureRest(1)
attach(Multiplier(pair), rest)
voice.append(rest)
for pair in time_signatures:
skip = abjad.Skip(1)
attach(Multiplier(pair), skip)
score['Time Signature Context'].append(skip)
attach(
abjad.TimeSignature(pair),
skip,
scope=abjad.Score,
)
module = importlib.import_module(type(self).__module__)
score_path = pathlib.Path(module.__file__).parent.parent
stylesheet_path = score_path.joinpath('stylesheets', 'stylesheet.ily')
stylesheet_path = stylesheet_path.resolve()
lilypond_file = lilypondfiletools.LilyPondFile.new(
score,
includes=[str(stylesheet_path)],
use_relative_includes=True,
)
return lilypond_file
def _attach_rhythm_annotation_spanner(self, selection):
from . import piecewise
if not self.annotation_spanner_text and not self.frame:
return
leaves = []
for leaf in abjad.iterate(selection).leaves():
if abjad.get.parentage(leaf).get(abjad.OnBeatGraceContainer):
continue
leaves.append(leaf)
container = abjad.get.before_grace_container(leaves[0])
if container is not None:
leaves_ = abjad.select(container).leaves()
leaves[0:0] = leaves_
container = abjad.get.after_grace_container(leaves[-1])
if container is not None:
leaves_ = abjad.select(container).leaves()
leaves.extend(leaves_)
string = self.annotation_spanner_text
if string is None:
string = self._make_rhythm_annotation_string()
color = self.annotation_spanner_color or "#darkyellow"
command = piecewise.rhythm_annotation_spanner(
string,
abjad.tweak(color).color,
abjad.tweak(8).staff_padding,
leak_spanner_stop=True,
selector=classes.select().leaves(),
)
command(leaves)
def check_out_of_range_notes(self, argument=None):
r'''Checks out-of-range notes.
.. container:: example
Out of range:
>>> staff = abjad.Staff("c'8 r8 <d fs>8 r8")
>>> violin = abjad.Violin()
>>> abjad.attach(violin, staff[0])
>>> abjad.show(staff) # doctest: +SKIP
.. docs::
>>> abjad.f(staff)
\new Staff
{
\set Staff.instrumentName = \markup { Violin }
\set Staff.shortInstrumentName = \markup { Vn. }
c'8
r8
<d fs>8
r8
}
>>> agent = abjad.inspect(staff)
>>> print(agent.tabulate_wellformedness())
0 / 0 beamed long notes
0 / 0 discontiguous spanners
0 / 5 duplicate ids
0 / 1 empty containers
0 / 0 misdurated measures
0 / 0 misfilled measures
0 / 0 mismatched enchained hairpins
0 / 0 mispitched ties
0 / 4 misrepresented flags
0 / 5 missing parents
0 / 0 nested measures
0 / 4 notes on wrong clef
1 / 2 out of range notes
0 / 0 overlapping beams
0 / 0 overlapping glissandi
0 / 0 overlapping hairpins
0 / 0 overlapping octavation spanners
0 / 0 overlapping ties
0 / 0 overlapping trill spanners
0 / 2 tied rests
Returns true or false.
'''
import abjad
violators, total = [], set()
for leaf in abjad.iterate(argument).leaves(pitched=True):
total.add(leaf)
instrument = abjad.inspect(leaf).get_effective(abjad.Instrument)
if instrument is None:
continue
if leaf not in instrument.pitch_range:
violators.append(leaf)
return violators, len(total)
def check_beamed_long_notes(self, argument=None):
r'''Checks beamed long notes.
.. container:: example
>>> staff = abjad.Staff("c'8 d' e' f'4.")
>>> abjad.attach(abjad.Beam(), staff[:])
>>> manager = abjad.WellformednessManager()
>>> violators, total = manager.check_beamed_long_notes(staff)
>>> violators
[Note("f'4.")]
Returns pair.
First item in pair is list of beamed long notes.
Second item in pair is count of all long notes in `argument`.
'''
import abjad
violators, total = [], set()
smart_beams = (
abjad.DuratedComplexBeam,
abjad.MultipartBeam,
)
for leaf in abjad.iterate(argument).leaves():
if leaf.written_duration < abjad.Duration(1, 4):
continue
total.add(leaf)
beams = abjad.inspect(leaf).get_spanners(abjad.Beam)
for beam in beams:
if isinstance(beam, smart_beams):
continue
violators.append(leaf)
return violators, len(total)
def _respell_tuplets(self, music):
multiplier = abjad.Multiplier(3, 2)
for tuplet in abjad.iterate(music).by_class(abjad.Tuplet):
if tuplet.multiplier == multiplier:
for note in tuplet:
new_written_duration = multiplier * note.written_duration
note.written_duration = new_written_duration
def _attach_leaf_index_markup(self, music):
if not self.index_logical_ties:
return
logical_ties = abjad.iterate(music).by_logical_tie()
for i, logical_tie in enumerate(logical_ties):
markup = abjad.Markup(i)
abjad.attach(markup, logical_tie.head)
def attach_glissandi(nucleus_voice):
selections = [[]]
leaves = abjad.iterate(nucleus_voice).leaves()
for leaf_index, leaf in enumerate(leaves):
if 641 <= leaf_index:
leaf_index += 2
string = letter_maker.nuclei[leaf_index]
if string == 0:
glissando = False
else:
result = letter_maker.get_body_pitch_shape_glissando(string)
pitch, shape, glissando = result
if glissando:
assert isinstance(leaf, abjad.Note), repr(leaf)
selections[-1].append(leaf)
elif not selections[-1] == []:
selections.append([])
if selections[-1] == []:
selections.pop()
selections = [abjad.select(_) for _ in selections]
for selection in selections:
next_leaf = abjad.inspect(selection[-1]).leaf(1)
if next_leaf is not None:
selection = selection + [next_leaf]
abjad.glissando(selection, allow_repeats=True)
triples = abjad.sequence(selection).nwise(n=3)
for left_note, middle_note, right_note in triples:
if not (left_note.written_pitch ==
middle_note.written_pitch ==
right_note.written_pitch):
continue
abjad.override(middle_note).note_head.transparent = True
grob_proxy = abjad.override(middle_note).glissando
grob_proxy.bound_details__left__padding = -1.2
def _strip_ties_(self, divisions):
import abjad
if not self.strip_ties:
return
for division in divisions:
for leaf in abjad.iterate(division).leaves():
abjad.detach(abjad.Tie, leaf)
def add_string_music_to_score(score):
"""
Adds string music to score.
"""
# generate some pitch and rhythm information
pitch_contour_reservoir = create_pitch_contour_reservoir()
shadowed_contour_reservoir = shadow_pitch_contour_reservoir(
pitch_contour_reservoir
)
durated_reservoir = durate_pitch_contour_reservoir(
shadowed_contour_reservoir
)
# add six dotted-whole notes and the durated contours to each string voice
for name, descents in durated_reservoir.items():
instrument_voice = score["%s Voice" % name]
instrument_voice.extend("R1. R1. R1. R1. R1. R1.")
for descent in descents:
instrument_voice.extend(descent)
# apply instrument-specific edits
edit_first_violin_voice(score, durated_reservoir)
edit_second_violin_voice(score, durated_reservoir)
edit_viola_voice(score, durated_reservoir)
edit_cello_voice(score, durated_reservoir)
edit_bass_voice(score, durated_reservoir)
# chop all string parts into 6/4 measures
strings_staff_group = score["Strings Staff Group"]
with abjad.ForbidUpdate(score):
for voice in abjad.iterate(strings_staff_group).components(
abjad.Voice
):
shards = abjad.mutate(voice[:]).split([(6, 4)], cyclic=True)
for shard in shards:
container = abjad.Container()
abjad.mutate(shard).wrap(container)
def apply_expressive_marks(score):
"""
Applies expressive marks to score.
"""
voice = score['First Violin Voice']
markup = abjad.Markup(
r'\left-column { div. \line { con sord. } }', direction=abjad.Up)
abjad.attach(markup, voice[6][1])
markup = abjad.Markup('sim.', direction=abjad.Up)
abjad.attach(markup, voice[8][0])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[58][3])
markup = abjad.Markup('div.', direction=abjad.Up)
abjad.attach(markup, voice[59][0])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[63][3])
voice = score['Second Violin Voice']
markup = abjad.Markup('div.', direction=abjad.Up)
abjad.attach(markup, voice[7][0])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[66][1])
markup = abjad.Markup('div.', direction=abjad.Up)
abjad.attach(markup, voice[67][0])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[74][0])
voice = score['Viola Voice']
markup = abjad.Markup('sole', direction=abjad.Up)
abjad.attach(markup, voice[8][0])
voice = score['Cello Voice']
markup = abjad.Markup('div.', direction=abjad.Up)
abjad.attach(markup, voice[10][0])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[74][0])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[84][1])
markup = abjad.Markup(r'\italic { espr. }', direction=abjad.Down)
abjad.attach(markup, voice[86][0])
markup = abjad.Markup(r'\italic { molto espr. }', direction=abjad.Down)
abjad.attach(markup, voice[88][1])
voice = score['Bass Voice']
markup = abjad.Markup('div.', direction=abjad.Up)
abjad.attach(markup, voice[14][0])
markup = abjad.Markup(r'\italic { espr. }', direction=abjad.Down)
abjad.attach(markup, voice[86][0])
abjad.mutate(voice[88][:]).split(
[abjad.Duration(1, 1), abjad.Duration(1, 2)]
)
markup = abjad.Markup(r'\italic { molto espr. }', direction=abjad.Down)
abjad.attach(markup, voice[88][1])
markup = abjad.Markup('uniti', direction=abjad.Up)
abjad.attach(markup, voice[99][1])
strings_staff_group = score['Strings Staff Group']
for voice in abjad.iterate(strings_staff_group).components(abjad.Voice):
markup = abjad.Markup(r'\italic { (non dim.) }', direction=abjad.Down)
abjad.attach(markup, voice[102][0])
def add_new_spacing_section(meter_voice, start_measure_number, new_moment,
revert_measure_number = None):
normal_spacing_duration = abjad.schemetools.SchemeMoment(1, 96)
if revert_measure_number is None:
revert_measure_number = start_measure_number + 1
#measure = measuretools.get_one_indexed_measure_number_in_expr(
# meter_voice, start_measure_number)
measures = list(abjad.iterate(meter_voice).by_class(abjad.Measure))
start_measure_index = start_measure_number - 1
measure = measures[start_measure_index]
command = abjad.LilyPondCommand('newSpacingSection', 'before')
abjad.attach(command, measure)
moment = abjad.schemetools.SchemeMoment(new_moment)
#measure.set.score.proportional_notation_duration = moment
abjad.set_(measure).score.proportional_notation_duration = moment
#measure = measuretools.get_one_indexed_measure_number_in_expr(
# meter_voice, revert_measure_number)
revert_measure_index = revert_measure_number - 1
measure = measures[revert_measure_index]
command = abjad.LilyPondCommand('newSpacingSection', 'before')
abjad.attach(command, measure)
abjad.set_(measure).score.proportional_notation_duration = \
normal_spacing_duration
def cross_staves_down(
voice,
start,
stop,
bp,
target,
includes=[],
excludes=[],
topBeamPositions=None,
bottomBeamPositions=None,
):
r'''target is a reference to an actual Staff instance.
TODO: run octavate at some time other than cross-determination time.
'''
leaves = abjad.iterate(voice).by_leaf()
leaves = list(leaves)
for j, l in enumerate(leaves[start : stop + 1]):
i = start + j
if isinstance(l, Note):
#if (bp <= l.safePitchNumber or i in includes) and i not in excludes:
if ((bp <= lidercfeny.etc.transforms.get_lowest_pitch(l) or
i in includes) and i not in excludes):
l.staff = target
else:
octavate(l, base = (-4, 30))
def append_articulations(voice, articulations, *args, **kwargs):
r'''Iterates leaves and append articulations.
'''
leaves = abjad.iterate(voice).by_leaf()
leaves = list(leaves)
if len(args) == 0:
start = 0
stop = len(leaves)
elif len(args) == 1:
start = stop = args
elif len(args) == 2:
start, stop = args
else:
raise ValueError
leafSlice = leaves[start : stop + 1]
if kwargs.has_key('exclude'):
exclude = kwargs['exclude']
else:
exclude = True
for l in leaves:
if isinstance(l, (Note, Chord)) or not exclude:
if isinstance(articulations, str):
l.articulations.append(articulations)
elif isinstance(articulations, list):
for articulation in articulations:
l.articulations.extend(articulation)
else:
raise ValueError
def set_pitches_by_pitch_cycle(voice, start, stop, pcyc):
leaves = abjad.iterate(voice).by_leaf()
leaves = list(leaves)
for j, l in enumerate(leaves[start : stop + 1]):
i = j + start
p = pcyc[j % len(pcyc)]
l.pitch = p
def _replace(self, old_leaf, new_leaf):
grace_containers = inspect_(old_leaf).get_grace_containers('after')
if grace_containers:
old_grace_container = grace_containers[0]
grace_notes = list(iterate(old_grace_container).by_leaf())
detach(scoretools.GraceContainer, old_leaf)
indicator_expressions = inspect_(old_leaf).get_indicators(unwrap=False)
#for indicator_expression in indicator_expressions:
# detach(indicator, old_leaf)
timespan = old_leaf._timespan
start_offset = old_leaf._start_offset
stop_offset = old_leaf._stop_offset
logical_measure_number = old_leaf._logical_measure_number
mutate(old_leaf).replace(new_leaf)
new_leaf._timespan = timespan
new_leaf._start_offset = start_offset
new_leaf._stop_offset = stop_offset
new_leaf._logical_measure_number = logical_measure_number
if grace_containers:
new_grace_container = scoretools.GraceContainer(
grace_notes,
kind='after',
)
attach(new_grace_container, new_leaf)
for indicator_expression in indicator_expressions:
attach(indicator_expression, new_leaf)
def add_final_bar_line(
self,
abbreviation='|.',
to_each_voice=False,
):
r"""
Add final bar line to end of score.
>>> staff = abjad.Staff("c'4 d'4 e'4 f'4")
>>> score = abjad.Score([staff])
>>> abjad.show(score) # doctest: +SKIP
.. docs::
>>> abjad.f(score)
\new Score
<<
\new Staff
{
c'4
d'4
e'4
f'4
}
>>
>>> bar_line = score.add_final_bar_line()
>>> abjad.show(score) # doctest: +SKIP
.. docs::
>>> abjad.f(score)
\new Score
<<
\new Staff
{
c'4
d'4
e'4
f'4
\bar "|." %! SCORE_1
}
>>
Set ``to_each_voice`` to true to make part extraction easier.
Returns bar line.
"""
import abjad
bar_line = abjad.BarLine(abbreviation)
if not to_each_voice:
last_leaf = abjad.inspect(self).leaf(-1)
abjad.attach(bar_line, last_leaf, tag='SCORE_1')
else:
for voice in abjad.iterate(self).components(abjad.Voice):
last_leaf = abjad.inspect(voice).leaf(-1)
abjad.attach(bar_line, last_leaf, tag='SCORE_1')
return bar_line
def rosatize(self):
# transposing up an octave and add dynamic for Rosa Guitar Trio
for staff in self.skeleton:
first_leaf = abjad.inspect(staff).leaf(0)
abjad.attach(abjad.Dynamic('pp'), first_leaf)
for note in abjad.iterate(staff).components(prototype=abjad.Note):
note.written_pitch += 12
def _replace(self, old_leaf, new_leaf):
after_grace = abjad.inspect(old_leaf).get_after_grace_container()
if after_grace is not None:
old_after_grace = after_grace
grace_notes = list(iterate(old_after_grace).by_leaf())
detach(scoretools.GraceContainer, old_leaf)
indicator_expressions = abjad.inspect(old_leaf).get_indicators(unwrap=False)
#for indicator_expression in indicator_expressions:
# detach(indicator, old_leaf)
timespan = old_leaf._timespan
start_offset = old_leaf._start_offset
stop_offset = old_leaf._stop_offset
logical_measure_number = old_leaf._logical_measure_number
mutate(old_leaf).replace(new_leaf)
new_leaf._timespan = timespan
new_leaf._start_offset = start_offset
new_leaf._stop_offset = stop_offset
new_leaf._logical_measure_number = logical_measure_number
if after_grace is not None:
new_after_grace = scoretools.AfterGraceContainer(grace_notes)
attach(new_after_grace, new_leaf)
for indicator_expression in indicator_expressions:
attach(indicator_expression, new_leaf)
def applyCoverSpanner(voice, *args):
leaves = abjad.iterate(voice).by_leaf()
leaves = list(leaves)
if len(args) == 1:
i = args[0]
leaves[i].formatter.right.append(
r'^ \markup { \italic \fontsize #2 "coperta" }')
elif len(args) == 2:
start, stop = args
leaves[start].formatter.before.extend([
r"\once \override TextSpanner #'bound-details #'left-broken " +
r"#'X = #8",
r"\once \override TextSpanner #'dash-fraction = #0.25",
r"\once \override TextSpanner #'dash-period = #1",
r"\once \override TextSpanner #'bound-details #'left " + \
r"""#'text = \markup { \italic \fontsize #2 "coperta " }""",
r"\once \override TextSpanner #'bound-details #'left " + \
r"#'stencil-align-dir-y = #CENTER",
r"\once \override TextSpanner #'bound-details #'right-broken " +
r"#'text = ##f",
r"\once \override TextSpanner #'bound-details #'right " +
r"#'text = #(markup #:draw-line '(0 . -1))",
r"\once \override TextSpanner #'staff-padding = #6",
r"\once \override TextSpanner #'extra-offset = #'(0 . -2.5)"
])
leaves[start].formatter.right.append(r'\startTextSpan')
leaves[stop].formatter.right.append(r'\stopTextSpan')
else:
raise ValueError('can not apply cover spanner.')
def apply_bowing_marks(score):
"""
Applies bowing marks to score.
"""
# apply alternating upbow and downbow for first two sounding bars
# of the first violin
for measure in score["First Violin Voice"][6:8]:
for i, chord in enumerate(
abjad.iterate(measure).components(abjad.Chord)
):
if i % 2 == 0:
articulation = abjad.Articulation("downbow")
abjad.attach(articulation, chord)
else:
articulation = abjad.Articulation("upbow")
abjad.attach(articulation, chord)
# create and apply rebowing markup
rebow_markup = abjad.Markup.concat(
[
abjad.Markup.musicglyph("scripts.downbow"),
abjad.Markup.hspace(1),
abjad.Markup.musicglyph("scripts.upbow"),
]
)
markup = copy.copy(rebow_markup)
abjad.attach(markup, score["First Violin Voice"][64][0])
markup = copy.copy(rebow_markup)
abjad.attach(markup, score["Second Violin Voice"][75][0])
markup = copy.copy(rebow_markup)
abjad.attach(markup, score["Viola Voice"][86][0])
def test_scoretools_Component__measure_number_02():
staff = abjad.Staff()
staff.append(abjad.Measure((2, 4), "c'4 d'4"))
staff.append(abjad.Measure((2, 4), "e'4 f'4"))
staff.append(abjad.Measure((3, 4), "g'4 a'4 b'4"))
staff.append(abjad.Measure((1, 4), "c''4"))
staff._update_measure_numbers()
assert staff._measure_number == 1
assert staff[0]._measure_number == 1
assert staff[1]._measure_number == 2
assert staff[2]._measure_number == 3
assert staff[3]._measure_number == 4
leaves = abjad.iterate(staff).leaves()
leaves = list(leaves)
assert leaves[0]._measure_number == 1
assert leaves[1]._measure_number == 1
assert leaves[2]._measure_number == 2
assert leaves[3]._measure_number == 2
assert leaves[4]._measure_number == 3
assert leaves[5]._measure_number == 3
assert leaves[6]._measure_number == 3
assert leaves[7]._measure_number == 4
def __call__(self, expr):
r'''Calls specifier on `expr`.
Returns none.
'''
if self.dynamic is None:
return
#print(expr)
selector = self._get_selector()
#print(selector)
selections = selector(expr)
#print(selections)
for selection in selections:
if isinstance(self.dynamic, abjad.spannertools.Hairpin):
hairpin = abjad.new(self.dynamic)
leaves = list(abjad.iterate(selection).by_leaf())
if hairpin._attachment_test_all(leaves):
abjad.attach(hairpin, leaves)
elif isinstance(self.dynamic, (str, abjad.indicatortools.Dynamic)):
dynamic = abjad.indicatortools.Dynamic(self.dynamic)
abjad.attach(dynamic, selection[0])
else:
message = 'invalid dynamic: {!r}.'
message = message.format(self.dynamic)
raise Exception(message)
def transpose_from_written_pitch(argument):
r"""
Transposes notes and chords in `argument` from sounding pitch
to written pitch.
.. container:: example
>>> staff = abjad.Staff("<c' e' g'>4 d'4 r4 e'4")
>>> clarinet = abjad.ClarinetInBFlat()
>>> abjad.attach(clarinet, staff[0])
>>> abjad.show(staff) # doctest: +SKIP
.. docs::
>>> abjad.f(staff)
\new Staff
{
\set Staff.instrumentName = \markup { "Clarinet in B-flat" }
\set Staff.shortInstrumentName = \markup { "Cl. in B-flat" }
<c' e' g'>4
d'4
r4
e'4
}
>>> abjad.Instrument.transpose_from_written_pitch(staff)
>>> abjad.show(staff) # doctest: +SKIP
.. docs::
>>> abjad.f(staff)
\new Staff
{
\set Staff.instrumentName = \markup { "Clarinet in B-flat" }
\set Staff.shortInstrumentName = \markup { "Cl. in B-flat" }
<bf d' f'>4
c'4
r4
d'4
}
Returns none.
"""
import abjad
for leaf in abjad.iterate(argument).leaves(pitched=True):
instrument = abjad.inspect(leaf).get_effective(abjad.Instrument)
if not instrument:
continue
sounding_pitch = instrument.middle_c_sounding_pitch
interval = abjad.NamedPitch('C4') - sounding_pitch
if isinstance(leaf, abjad.Note):
written_pitch = leaf.written_pitch
written_pitch = interval.transpose(written_pitch)
leaf.written_pitch = written_pitch
elif isinstance(leaf, abjad.Chord):
pitches = [
interval.transpose(pitch)
for pitch in leaf.written_pitches
]
leaf.written_pitches = pitches
def _populate_time_signature_context(self):
time_signature_context = self._score['Time Signature Context']
music_voice = self._score['Music Voice']
measure_durations = []
current_duration = abjad.Duration(0)
ideal_measure_duration = abjad.Duration(4, 4)
for component in music_voice:
component_duration = abjad.inspect_(component).get_duration()
candidate_duration = current_duration + component_duration
if ideal_measure_duration < candidate_duration:
if 0 < current_duration:
measure_durations.append(current_duration)
current_duration = component_duration
else:
current_duration = candidate_duration
measure_durations.append(current_duration)
measures = abjad.scoretools.make_spacer_skip_measures(
measure_durations)
time_signature_context.extend(measures)
for measure in abjad.iterate(time_signature_context).by_class(abjad.Measure):
time_signature = abjad.inspect_(measure).get_indicator(abjad.TimeSignature)
if time_signature.denominator < 4:
fraction = abjad.mathtools.NonreducedFraction(
time_signature.pair)
fraction = fraction.with_multiple_of_denominator(4)
abjad.detach(time_signature, measure)
new_time_signature = abjad.TimeSignature(fraction)
abjad.attach(new_time_signature, measure)
def _tie_consecutive_notes_(self, divisions):
import abjad
if not self.tie_consecutive_notes:
return
leaves = list(abjad.iterate(divisions).leaves())
for leaf in leaves:
abjad.detach(abjad.Tie, leaf)
pairs = itertools.groupby(leaves, lambda _: _.__class__)
def _get_pitches(component):
if isinstance(component, abjad.Note):
return component.written_pitch
elif isinstance(component, abjad.Chord):
return component.written_pitches
else:
raise TypeError(component)
for class_, group in pairs:
group = list(group)
if not isinstance(group[0], (abjad.Note, abjad.Chord)):
continue
subpairs = itertools.groupby(group, lambda _: _get_pitches(_))
for pitches, subgroup in subpairs:
subgroup = list(subgroup)
if len(subgroup) == 1:
continue
tie = abjad.Tie()
assert tie._attachment_test_all(subgroup) is True
abjad.attach(tie, abjad.select(subgroup))
def check_empty_containers(self, argument=None):
r"""
Checks empty containers.
.. container:: example
>>> staff = abjad.Staff("c'4 d' e' f'")
>>> staff.append(abjad.Container())
>>> abjad.f(staff)
\new Staff
{
c'4
d'4
e'4
f'4
{
}
}
>>> manager = abjad.WellformednessManager()
>>> violators, total = manager.check_empty_containers(staff)
>>> violators
[Container()]
Returns list of empty containers and count of all containers in
``argument``.
"""
import abjad
violators, containers = [], set()
for container in abjad.iterate(argument).components(abjad.Container):
containers.add(container)
if len(container) == 0:
violators.append(container)
return violators, len(containers)
def _compound_scope_to_logical_ties(
self,
compound_scope,
include_rests=False,
):
import huitzil
timespan_map, timespans = [], []
for scope in compound_scope.simple_scopes:
start_stage, stop_stage = scope.stages
offsets = self._get_offsets(start_stage, stop_stage)
timespan = abjad.timespantools.Timespan(*offsets)
timespan_map.append((scope.voice_name, timespan))
timespans.append(timespan)
compound_scope._timespan_map = timespan_map
voice_names = [_[0] for _ in timespan_map]
compound_scope._voice_names = tuple(voice_names)
logical_ties = []
if include_rests:
prototype = (abjad.Note, abjad.Chord, abjad.Rest)
else:
prototype = (abjad.Note, abjad.Chord)
for note in abjad.iterate(self._score).by_timeline(prototype):
if note in compound_scope:
logical_tie = abjad.inspect_(note).get_logical_tie()
if logical_tie.head is note:
logical_ties.append(logical_tie)
start_offset = min(_.start_offset for _ in timespans)
stop_offset = max(_.stop_offset for _ in timespans)
timespan = abjad.timespantools.Timespan(start_offset, stop_offset)
return logical_ties, timespan
def __call__(self, argument):
r'''Calls naive attack-point optimizer.
Returns none.
'''
import abjad
for logical_tie in abjad.iterate(argument).logical_ties(
grace_notes=False,
reverse=True,
):
sub_logical_ties = []
current_sub_logical_tie = []
for leaf in logical_tie:
tempos = leaf._get_indicators(abjad.MetronomeMark)
if tempos:
if current_sub_logical_tie:
current_sub_logical_tie = abjad.LogicalTie(
current_sub_logical_tie)
sub_logical_ties.append(current_sub_logical_tie)
current_sub_logical_tie = []
current_sub_logical_tie.append(leaf)
if current_sub_logical_tie:
current_sub_logical_tie = abjad.LogicalTie(
current_sub_logical_tie)
sub_logical_ties.append(current_sub_logical_tie)
for sub_logical_tie in sub_logical_ties:
sub_logical_tie._fuse_leaves_by_immediate_parent()
def add_passaggi(self):
self.last_passaggi_ornaments = [self.last_ornament_chosen] * 3
self.last_passaggi_voice = None # to implement: ornament a different voice each time
moments = list(abjad.iterate(self.score).vertical_moments())
for moment_pair in zip(moments, moments[1:]):
first_starts = moment_pair[0].start_notes
next_starts = moment_pair[1].start_notes
if len(self.score) == len(first_starts) == len(next_starts):
if self.moment_contains_only_base_values(moment_pair[0]):
adjacencies = [
Adjacency(moment_pair[0], moment_pair[1], i)
for i in range(3)
]
if False in [
'P1' == a.melodic_interval.name
for a in adjacencies
]:
adjacencies = [
a for a in adjacencies
if a.melodic_interval.name != 'P1'
]
adjacencies = [a for a in adjacencies \
if not self.succeeds_imitation(a.from_note)]
adjacency = self.choose_adjacency(adjacencies)
if 2 <= len(adjacencies):
adjacency = self.ensure_novel_staff_choice(
adjacencies, adjacency)
self.last_passaggi_voice = adjacency.staff_index
self.add_passaggio_to_adjacency(adjacency)
self.last_ornament_chosen = self.last_passaggi_ornaments[0]
def detach_grace_containers(containers, indices):
#for i, leaf in enumerate(abjad.iterate(containers).leaves()):
leaves = abjad.iterate(containers).leaves(grace_notes=False)
for i, leaf in enumerate(leaves):
if i not in indices:
continue
abjad.detach(abjad.GraceContainer, leaf)
def _get_previous_measure(self):
import abjad
if isinstance(self, abjad.Leaf):
for parent in abjad.inspect(self).get_parentage(
include_self=False):
if isinstance(parent, abjad.Measure):
return parent
raise MissingMeasureError
elif isinstance(self, abjad.Measure):
return self._get_in_my_logical_voice(-1, prototype=abjad.Measure)
elif isinstance(self, abjad.Container):
contents = self._get_descendants_stopping_with()
contents = [x for x in contents if isinstance(x, abjad.Measure)]
if contents:
return contents[0]
raise MissingMeasureError
elif isinstance(self, (list, tuple)):
measure_generator = abjad.iterate(self).components(
abjad.Measure,
reverse=True,
)
try:
measure = next(measure_generator)
return measure
except StopIteration:
raise MissingMeasureError
else:
message = 'unknown component: {!r}.'
raise TypeError(message.format(self))
def __call__(self, music, name=None):
import consort
leaves = list(iterate(music).by_leaf())
weights = []
weighted_pitches = []
for leaf in leaves:
weight = float(inspect(leaf).get_duration())
if isinstance(leaf, abjad.Note):
pitch = float(leaf.written_pitch)
weighted_pitch = pitch * weight
weights.append(weight)
weighted_pitches.append(weighted_pitch)
elif isinstance(leaf, abjad.Chord):
for pitch in leaf.written_pitches:
pitch = float(pitch)
weighted_pitch = pitch * weight
weighted_pitches.append(weighted_pitch)
weights.append(weight)
sum_of_weights = sum(weights)
sum_of_weighted_pitches = sum(weighted_pitches)
weighted_average = sum_of_weighted_pitches / sum_of_weights
if weighted_average < 0:
clef_spanner = consort.ClefSpanner('bass')
else:
clef_spanner = consort.ClefSpanner('treble')
attach(clef_spanner, music, name=name)
def apply_bowing_marks(score):
"""
Applies bowing marks to score.
"""
# apply alternating upbow and downbow for first two sounding bars
# of the first violin
for measure in score['First Violin Voice'][6:8]:
for i, chord in enumerate(
abjad.iterate(measure).components(abjad.Chord)):
if i % 2 == 0:
articulation = abjad.Articulation('downbow')
abjad.attach(articulation, chord)
else:
articulation = abjad.Articulation('upbow')
abjad.attach(articulation, chord)
# create and apply rebowing markup
rebow_markup = abjad.Markup.concat([
abjad.Markup.musicglyph('scripts.downbow'),
abjad.Markup.hspace(1),
abjad.Markup.musicglyph('scripts.upbow'),
])
markup = copy.copy(rebow_markup)
abjad.attach(markup, score['First Violin Voice'][64][0])
markup = copy.copy(rebow_markup)
abjad.attach(markup, score['Second Violin Voice'][75][0])
markup = copy.copy(rebow_markup)
abjad.attach(markup, score['Viola Voice'][86][0])
def __call__(self, music, name=None):
leaves = list(iterate(music).by_leaf())
weights = []
weighted_pitches = []
for leaf in leaves:
weight = float(inspect_(leaf).get_duration())
if isinstance(leaf, scoretools.Note):
pitch = float(leaf.written_pitch)
weighted_pitch = pitch * weight
weights.append(weight)
weighted_pitches.append(weighted_pitch)
elif isinstance(leaf, scoretools.Chord):
for pitch in leaf.written_pitches:
pitch = float(pitch)
weighted_pitch = pitch * weight
weighted_pitches.append(weighted_pitch)
weights.append(weight)
sum_of_weights = sum(weights)
sum_of_weighted_pitches = sum(weighted_pitches)
weighted_average = sum_of_weighted_pitches / sum_of_weights
#print(music, weighted_average)
clef = inspect_(leaves[0]).get_effective(indicatortools.Clef)
octavation_spanner = None
if clef == indicatortools.Clef('treble'):
if int(pitchtools.NamedPitch('C6')) <= int(weighted_average):
octavation_spanner = spannertools.OctavationSpanner()
elif clef == indicatortools.Clef('bass'):
pass
if octavation_spanner is not None:
attach(octavation_spanner, music)
def add_string_music_to_score(score):
"""
Adds string music to score.
"""
# generate some pitch and rhythm information
pitch_contour_reservoir = create_pitch_contour_reservoir()
shadowed_contour_reservoir = shadow_pitch_contour_reservoir(
pitch_contour_reservoir)
durated_reservoir = durate_pitch_contour_reservoir(
shadowed_contour_reservoir)
# add six dotted-whole notes and the durated contours to each string voice
for name, descents in durated_reservoir.items():
instrument_voice = score['%s Voice' % name]
instrument_voice.extend("R1. R1. R1. R1. R1. R1.")
for descent in descents:
instrument_voice.extend(descent)
# apply instrument-specific edits
edit_first_violin_voice(score, durated_reservoir)
edit_second_violin_voice(score, durated_reservoir)
edit_viola_voice(score, durated_reservoir)
edit_cello_voice(score, durated_reservoir)
edit_bass_voice(score, durated_reservoir)
# chop all string parts into 6/4 measures
strings_staff_group = score['Strings Staff Group']
with abjad.ForbidUpdate(score):
for voice in abjad.iterate(strings_staff_group).components(
abjad.Voice):
shards = abjad.mutate(voice[:]).split([(6, 4)], cyclic=True)
for shard in shards:
container = abjad.Container()
abjad.mutate(shard).wrap(container)
def _apply_denominator(self, selections, divisions):
import abjad
if not self.denominator:
return
tuplets = list(abjad.iterate(selections).components(abjad.Tuplet))
if divisions is None:
divisions = len(tuplets) * [None]
assert len(selections) == len(divisions)
assert len(tuplets) == len(divisions)
denominator = self.denominator
if isinstance(denominator, tuple):
denominator = abjad.Duration(denominator)
for tuplet, division in zip(tuplets, divisions):
if denominator == 'divisions':
tuplet.denominator = division.numerator
elif isinstance(denominator, abjad.Duration):
unit_duration = denominator
assert unit_duration.numerator == 1
duration = abjad.inspect(tuplet).get_duration()
denominator_ = unit_duration.denominator
nonreduced_fraction = duration.with_denominator(denominator_)
tuplet.denominator = nonreduced_fraction.numerator
elif abjad.mathtools.is_positive_integer(denominator):
tuplet.denominator = denominator
else:
message = f'invalid preferred denominator: {denominator!r}.'
raise Exception(message)
def __call__(self, container, imbrication_token):
r'''Calls imbrication specifier on `container`.
Returns new container.
'''
container = copy.deepcopy(container)
imbrication_token = abjad.sequence(imbrication_token)
imbrication_token = imbrication_token.flatten()
cursor = baca.tools.Cursor(
imbrication_token,
singletons=True,
suppress_exception=True,
)
pitch_number = cursor.next()
logical_ties = abjad.iterate(container).by_logical_tie(pitched=True)
for logical_tie in logical_ties:
if logical_tie.head.written_pitch.pitch_number == pitch_number:
pitch_number = cursor.next()
if self.truncate_ties:
for note in logical_tie[1:]:
duration = note.written_duration
skip = abjad.Skip(duration)
abjad.mutate(note).replace([skip])
else:
for note in logical_tie:
duration = note.written_duration
skip = abjad.Skip(duration)
abjad.mutate(note).replace([skip])
self._apply_specifiers(container)
return container
def test_scoretools_Mutation_copy_07():
voice = abjad.Voice("abj: | 2/8 c'8 d'8 || 2/8 e'8 f'8 |"
"| 2/8 g'8 a'8 || 2/8 b'8 c''8 |")
leaves = abjad.select(voice).leaves()
beam = abjad.Beam()
abjad.attach(beam, leaves)
slur = abjad.Slur()
abjad.attach(slur, leaves)
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/8
c'8
[
(
d'8
} % measure
{ % measure
e'8
f'8
} % measure
{ % measure
g'8
a'8
} % measure
{ % measure
b'8
c''8
]
)
} % measure
}
''')
result = abjad.mutate(voice[-2:]).copy()
new_voice = abjad.Voice(result)
for component in abjad.iterate(new_voice).components():
abjad.detach(abjad.Spanner, component)
assert format(new_voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/8
g'8
a'8
} % measure
{ % measure
b'8
c''8
} % measure
}
''')
assert abjad.inspect(voice).is_well_formed()
assert abjad.inspect(new_voice).is_well_formed()
def transpose_from_sounding_pitch(argument):
r'''Transpose notes and chords in `argument` from sounding pitch
to written pitch:
.. container:: example
>>> staff = abjad.Staff("<c' e' g'>4 d'4 r4 e'4")
>>> clarinet = abjad.ClarinetInBFlat()
>>> abjad.attach(clarinet, staff[0])
>>> abjad.show(staff) # doctest: +SKIP
.. docs::
>>> abjad.f(staff)
\new Staff
{
\set Staff.instrumentName = \markup { "Clarinet in B-flat" }
\set Staff.shortInstrumentName = \markup { "Cl. in B-flat" }
<c' e' g'>4
d'4
r4
e'4
}
>>> abjad.Instrument.transpose_from_sounding_pitch(staff)
>>> abjad.show(staff) # doctest: +SKIP
.. docs::
>>> abjad.f(staff)
\new Staff
{
\set Staff.instrumentName = \markup { "Clarinet in B-flat" }
\set Staff.shortInstrumentName = \markup { "Cl. in B-flat" }
<d' fs' a'>4
e'4
r4
fs'4
}
Returns none.
'''
import abjad
for leaf in abjad.iterate(argument).leaves(pitched=True):
instrument = abjad.inspect(leaf).get_effective(abjad.Instrument)
if not instrument:
continue
sounding_pitch = instrument.middle_c_sounding_pitch
interval = abjad.NamedPitch('C4') - sounding_pitch
interval *= -1
if isinstance(leaf, abjad.Note):
pitch = leaf.written_pitch
pitch = interval.transpose(pitch)
leaf.written_pitch = pitch
elif isinstance(leaf, abjad.Chord):
pitches = [
interval.transpose(pitch) for pitch in leaf.written_pitches
]
leaf.written_pitches = pitches
def fuse_moments(self):
for staff in self.score:
for pair in abjad.iterate(staff).leaf_pairs():
if self.resolution == pair[0].written_duration == pair[1].written_duration \
and pair[0].written_pitch == pair[1].written_pitch \
and 0 == abjad.inspect(pair[0]).vertical_moment().offset % (2 * self.resolution) \
and not self.contains_suspension(pair):
abjad.mutate(pair).fuse()
def music_to_ratios(music):
"""Converts an Abjad selection to rhythmic ratios."""
ratios = []
for tie in abjad.iterate(music).by_logical_tie():
duration = abjad.inspect(tie).get_duration()
fraction = fractions.Fraction(duration)
ratios.append(fraction)
return ratios
def apply_final_bar_lines(score):
"""
Applies final bar lines to score.
"""
for voice in abjad.iterate(score).components(abjad.Voice):
bar_line = abjad.BarLine('|.')
leaf = abjad.inspect(voice).leaf(-1)
abjad.attach(bar_line, leaf)
