def _do_tie_consecutive_notes(self, divisions):
if not self.tie_consecutive_notes:
return
leaves = select(divisions).by_leaf()
for leaf in leaves:
detach(spannertools.Tie, leaf)
pairs = itertools.groupby(leaves, lambda _: _.__class__)
def _get_pitches(component):
if isinstance(component, scoretools.Note):
return component.written_pitch
elif isinstance(component, scoretools.Chord):
return component.written_pitches
else:
raise TypeError(component)
for class_, group in pairs:
group = list(group)
if not isinstance(group[0], (scoretools.Note, scoretools.Chord)):
continue
subpairs = itertools.groupby(group, lambda _: _get_pitches(_))
for pitches, subgroup in subpairs:
subgroup = list(subgroup)
if len(subgroup) == 1:
continue
tie = spannertools.Tie()
assert tie._attachment_test_all(subgroup)
attach(tie, subgroup)
def _scale(self, multiplier=None):
from abjad.tools import indicatortools
if multiplier is None:
return
multiplier = durationtools.Multiplier(multiplier)
old_time_signature = self.time_signature
if mathtools.is_nonnegative_integer_power_of_two(multiplier) and \
1 <= multiplier:
old_numerator = old_time_signature.numerator
old_denominator = old_time_signature.denominator
new_denominator = old_denominator // multiplier.numerator
pair = (old_numerator, new_denominator)
new_time_signature = indicatortools.TimeSignature(pair)
else:
old_denominator = old_time_signature.denominator
old_duration = old_time_signature.duration
new_duration = multiplier * old_duration
new_time_signature = \
self._duration_and_possible_denominators_to_time_signature(
new_duration,
[old_denominator],
multiplier.denominator,
)
detach(indicatortools.TimeSignature, self)
attach(new_time_signature, self)
contents_multiplier_denominator = \
mathtools.greatest_power_of_two_less_equal(multiplier.denominator)
pair = (multiplier.numerator, contents_multiplier_denominator)
contents_multiplier = durationtools.Multiplier(*pair)
self._scale_contents(contents_multiplier)
def _get_span_events(self, leaf):
annotations = leaf._get_indicators(dict)
detach(dict, leaf)
annotations = [x for x in annotations if 'post events' in x]
if annotations:
return annotations[0]['post events']
return {}
def _make_music(self, duration_pairs, seeds):
from abjad.tools import rhythmmakertools
selections = []
specifier = self.duration_spelling_specifier
if specifier is None:
specifier = rhythmmakertools.DurationSpellingSpecifier()
for duration_pair in duration_pairs:
selection = scoretools.make_leaves(
pitches=0,
durations=[duration_pair],
decrease_durations_monotonically=\
specifier.decrease_durations_monotonically,
forbidden_written_duration=\
specifier.forbidden_written_duration,
)
selections.append(selection)
beam_specifier = self.beam_specifier
if beam_specifier is None:
beam_specifier = rhythmmakertools.BeamSpecifier()
if beam_specifier.beam_divisions_together:
for component in iterate(selections).by_class():
detach(spannertools.Beam, component)
beam = spannertools.MultipartBeam()
leaves = iterate(selections).by_class(scoretools.Leaf)
leaves = list(leaves)
attach(beam, leaves)
elif beam_specifier.beam_each_division:
for selection in selections:
beam = spannertools.MultipartBeam()
attach(beam, selection)
return selections
def _scale(self, multiplier=None):
from abjad.tools import indicatortools
if multiplier is None:
return
multiplier = durationtools.Multiplier(multiplier)
old_time_signature = self.time_signature
if mathtools.is_nonnegative_integer_power_of_two(multiplier) and \
1 <= multiplier:
old_numerator = old_time_signature.numerator
old_denominator = old_time_signature.denominator
new_denominator = old_denominator // multiplier.numerator
pair = (old_numerator, new_denominator)
new_time_signature = indicatortools.TimeSignature(pair)
else:
old_denominator = old_time_signature.denominator
old_duration = old_time_signature.duration
new_duration = multiplier * old_duration
new_time_signature = \
self._duration_and_possible_denominators_to_time_signature(
new_duration,
[old_denominator],
multiplier.denominator,
)
detach(indicatortools.TimeSignature, self)
attach(new_time_signature, self)
contents_multiplier_denominator = \
mathtools.greatest_power_of_two_less_equal(multiplier.denominator)
pair = (multiplier.numerator, contents_multiplier_denominator)
contents_multiplier = durationtools.Multiplier(*pair)
self._scale_contents(contents_multiplier)
def _get_span_events(self, leaf):
annotations = leaf._get_indicators(dict)
detach(dict, leaf)
annotations = [x for x in annotations if 'post events' in x]
if annotations:
return annotations[0]['post events']
return {}
def _do_tie_consecutive_notes(self, divisions):
if not self.tie_consecutive_notes:
return
leaves = select(divisions).by_leaf()
for leaf in leaves:
detach(spannertools.Tie, leaf)
pairs = itertools.groupby(leaves, lambda _: _.__class__)
def _get_pitches(component):
if isinstance(component, scoretools.Note):
return component.written_pitch
elif isinstance(component, scoretools.Chord):
return component.written_pitches
else:
raise TypeError(component)
for class_, group in pairs:
group = list(group)
if not isinstance(group[0], (scoretools.Note, scoretools.Chord)):
continue
subpairs = itertools.groupby(group, lambda _: _get_pitches(_))
for pitches, subgroup in subpairs:
subgroup = list(subgroup)
if len(subgroup) == 1:
continue
tie = spannertools.Tie()
assert tie._attachment_test_all(subgroup)
attach(tie, subgroup)
def _get_span_events(self, leaf):
annotations = leaf._get_indicators(indicatortools.Annotation)
detach(indicatortools.Annotation, leaf)
annotations = [x for x in annotations if x.name == 'post events']
if annotations:
return annotations[0].value
return {}
def _apply_output_masks(self, selections):
from abjad.tools import rhythmmakertools
if not self.output_masks:
return selections
new_selections = []
duration_spelling_specifier = self.duration_spelling_specifier or \
rhythmmakertools.DurationSpellingSpecifier()
decrease_durations_monotonically = \
duration_spelling_specifier.decrease_durations_monotonically
forbidden_written_duration = \
duration_spelling_specifier.forbidden_written_duration
length = len(selections)
output_masks = self.output_masks
for i, selection in enumerate(selections):
if not any(_._matches_index(i, length) for _ in output_masks):
new_selections.append(selection)
continue
duration = selection.get_duration()
new_selection = scoretools.make_leaves(
[None],
[duration],
decrease_durations_monotonically=\
decrease_durations_monotonically,
forbidden_written_duration=forbidden_written_duration,
)
for component in iterate(selection).by_class():
detach(spannertools.Tie, component)
new_selections.append(new_selection)
return new_selections
def _set_duration(self, new_duration, use_messiaen_style_ties=False):
from abjad.tools import scoretools
from abjad.tools import spannertools
new_duration = durationtools.Duration(new_duration)
# change LilyPond multiplier if leaf already has LilyPond multiplier
if self._get_indicators(durationtools.Multiplier):
detach(durationtools.Multiplier, self)
multiplier = new_duration.__div__(self.written_duration)
attach(multiplier, self)
return [self]
# change written duration if new duration is assignable
try:
self.written_duration = new_duration
return [self]
except AssignabilityError:
pass
# make new notes or tuplets if new duration is nonassignable
components = scoretools.make_notes(
0,
new_duration,
use_messiaen_style_ties=use_messiaen_style_ties,
)
if isinstance(components[0], scoretools.Leaf):
tied_leaf_count = len(components) - 1
tied_leaves = tied_leaf_count * self
all_leaves = [self] + tied_leaves
for x, component in zip(all_leaves, components):
x.written_duration = component.written_duration
self._splice(tied_leaves, grow_spanners=True)
parentage = self._get_parentage()
if not parentage._get_spanners(spannertools.Tie):
#if spannertools.Tie._attachment_test(self):
tie = spannertools.Tie()
if tie._attachment_test(self):
tie = spannertools.Tie(
use_messiaen_style_ties=use_messiaen_style_ties,
)
attach(tie, all_leaves)
return all_leaves
else:
assert isinstance(components[0], scoretools.Tuplet)
tuplet = components[0]
components = tuplet[:]
tied_leaf_count = len(components) - 1
tied_leaves = tied_leaf_count * self
all_leaves = [self] + tied_leaves
for x, component in zip(all_leaves, components):
x.written_duration = component.written_duration
self._splice(tied_leaves, grow_spanners=True)
if not self._get_spanners(spannertools.Tie):
#if spannertools.Tie._attachment_test(self):
tie = spannertools.Tie()
if tie._attachment_test(self):
tie = spannertools.Tie(
use_messiaen_style_ties=use_messiaen_style_ties,
)
attach(tie, all_leaves)
tuplet_multiplier = tuplet.multiplier
scoretools.Tuplet(tuplet_multiplier, all_leaves)
return [tuplet]
def _apply_output_masks(self, selections):
from abjad.tools import rhythmmakertools
if not self.output_masks:
return selections
new_selections = []
if self.duration_spelling_specifier is None:
duration_spelling_specifier = \
rhythmmakertools.DurationSpellingSpecifier()
decrease_durations_monotonically = \
duration_spelling_specifier.decrease_durations_monotonically
forbidden_written_duration = \
duration_spelling_specifier.forbidden_written_duration
length = len(selections)
output_masks = self.output_masks
for i, selection in enumerate(selections):
if not any(_._matches_index(i, length) for _ in output_masks):
new_selections.append(selection)
continue
duration = selection.get_duration()
new_selection = scoretools.make_leaves(
[None],
[duration],
decrease_durations_monotonically=\
decrease_durations_monotonically,
forbidden_written_duration=forbidden_written_duration,
)
for component in iterate(selection).by_class():
detach(spannertools.Tie, component)
new_selections.append(new_selection)
return new_selections
def _get_span_events(self, leaf):
annotations = leaf._get_indicators(indicatortools.Annotation)
detach(indicatortools.Annotation, leaf)
annotations = [x for x in annotations if x.name == 'post events']
if annotations:
return annotations[0].value
return {}
def _set_duration(self, new_duration, use_messiaen_style_ties=False):
from abjad.tools import scoretools
from abjad.tools import spannertools
new_duration = durationtools.Duration(new_duration)
# change LilyPond multiplier if leaf already has LilyPond multiplier
if self._get_indicators(durationtools.Multiplier):
detach(durationtools.Multiplier, self)
multiplier = new_duration.__div__(self.written_duration)
attach(multiplier, self)
return [self]
# change written duration if new duration is assignable
try:
self.written_duration = new_duration
return [self]
except AssignabilityError:
pass
# make new notes or tuplets if new duration is nonassignable
components = scoretools.make_notes(
0,
new_duration,
use_messiaen_style_ties=use_messiaen_style_ties,
)
if isinstance(components[0], scoretools.Leaf):
tied_leaf_count = len(components) - 1
tied_leaves = tied_leaf_count * self
all_leaves = [self] + tied_leaves
for x, component in zip(all_leaves, components):
x.written_duration = component.written_duration
self._splice(tied_leaves, grow_spanners=True)
parentage = self._get_parentage()
if not parentage._get_spanners(spannertools.Tie):
#if spannertools.Tie._attachment_test(self):
tie = spannertools.Tie()
if tie._attachment_test(self):
tie = spannertools.Tie(
use_messiaen_style_ties=use_messiaen_style_ties, )
attach(tie, all_leaves)
return all_leaves
else:
assert isinstance(components[0], scoretools.Tuplet)
tuplet = components[0]
components = tuplet[:]
tied_leaf_count = len(components) - 1
tied_leaves = tied_leaf_count * self
all_leaves = [self] + tied_leaves
for x, component in zip(all_leaves, components):
x.written_duration = component.written_duration
self._splice(tied_leaves, grow_spanners=True)
if not self._get_spanners(spannertools.Tie):
#if spannertools.Tie._attachment_test(self):
tie = spannertools.Tie()
if tie._attachment_test(self):
tie = spannertools.Tie(
use_messiaen_style_ties=use_messiaen_style_ties, )
attach(tie, all_leaves)
tuplet_multiplier = tuplet.multiplier
scoretools.Tuplet(tuplet_multiplier, all_leaves)
return [tuplet]
def move_full_measure_tuplet_prolation_to_measure_time_signature(expr):
r'''Moves prolation of full-measure tuplet to time signature of measure.
Measures usually become non-power-of-two as as result.
.. container:: example
::
>>> tuplet = scoretools.FixedDurationTuplet(Duration(2, 8), "c'8 d'8 e'8")
>>> measure = Measure((2, 8), [tuplet])
>>> measure.implicit_scaling = True
>>> scoretools.move_full_measure_tuplet_prolation_to_measure_time_signature(measure)
.. doctest::
>>> print(format(measure))
{
\time 3/12
\scaleDurations #'(2 . 3) {
c'8
d'8
e'8
}
}
Returns none.
'''
from abjad.tools import indicatortools
from abjad.tools import scoretools
for measure in iterate(expr).by_class(scoretools.Measure):
if len(measure) == 1:
if isinstance(measure[0], scoretools.Tuplet):
tuplet = measure[0]
tuplet_multiplier = tuplet.multiplier
tuplet_denominator = tuplet_multiplier.denominator
reduced_denominator = mathtools.remove_powers_of_two(
tuplet_denominator)
time_signature = measure.time_signature
time_signature_rational = durationtools.Duration(
time_signature.numerator, time_signature.denominator)
numerator = time_signature_rational.numerator * reduced_denominator
denominator = time_signature_rational.denominator * reduced_denominator
time_signature = indicatortools.TimeSignature(
(numerator, denominator))
detach(indicatortools.TimeSignature, measure)
attach(time_signature, measure)
if time_signature.has_non_power_of_two_denominator:
measure.implicit_scaling = True
time_signature_multiplier = \
measure.time_signature.implied_prolation
written_adjustment = tuplet_multiplier.__div__(
time_signature_multiplier)
tuplet._extract()
measure._scale_contents(written_adjustment)
def _apply_division_masks(self, selections, rotation):
from abjad.tools import rhythmmakertools
if not self.division_masks:
return selections
new_selections = []
duration_spelling_specifier = self._get_duration_spelling_specifier()
decrease_durations_monotonically = \
duration_spelling_specifier.decrease_durations_monotonically
forbidden_written_duration = \
duration_spelling_specifier.forbidden_written_duration
tie_specifier = self._get_tie_specifier()
length = len(selections)
division_masks = self.division_masks
for i, selection in enumerate(selections):
matching_division_mask = division_masks.get_matching_pattern(
i,
length,
rotation=rotation,
)
if not matching_division_mask:
new_selections.append(selection)
continue
duration = selection.get_duration()
if isinstance(
matching_division_mask,
rhythmmakertools.SustainMask,
):
new_selection = scoretools.make_leaves(
[0],
[duration],
decrease_durations_monotonically=\
decrease_durations_monotonically,
forbidden_written_duration=forbidden_written_duration,
use_messiaen_style_ties=\
tie_specifier.use_messiaen_style_ties,
)
else:
use_multimeasure_rests = getattr(
matching_division_mask,
'use_multimeasure_rests',
False,
)
new_selection = scoretools.make_leaves(
[None],
[duration],
decrease_durations_monotonically=\
decrease_durations_monotonically,
forbidden_written_duration=forbidden_written_duration,
use_multimeasure_rests=use_multimeasure_rests,
)
for component in iterate(selection).by_class():
detach(spannertools.Tie, component)
new_selections.append(new_selection)
return new_selections
def _remove_and_shrink_durated_parent_containers(self):
from abjad.tools import indicatortools
from abjad.tools import scoretools
prolated_leaf_duration = self._get_duration()
parentage = self._get_parentage(include_self=False)
prolations = parentage._prolations
current_prolation, i = durationtools.Duration(1), 0
parent = self._parent
while parent is not None and not parent.is_simultaneous:
current_prolation *= prolations[i]
if isinstance(parent, scoretools.FixedDurationTuplet):
candidate_new_parent_dur = (
parent.target_duration -
current_prolation * self.written_duration)
if durationtools.Duration(0) < candidate_new_parent_dur:
parent.target_duration = candidate_new_parent_dur
elif isinstance(parent, scoretools.Measure):
indicator = parent._get_indicator(indicatortools.TimeSignature)
parent_time_signature = indicator
old_prolation = parent_time_signature.implied_prolation
naive_time_signature = (parent_time_signature.duration -
prolated_leaf_duration)
better_time_signature = mathtools.NonreducedFraction(
naive_time_signature)
better_time_signature = better_time_signature.with_denominator(
parent_time_signature.denominator)
better_time_signature = indicatortools.TimeSignature(
better_time_signature)
detach(indicatortools.TimeSignature, parent)
attach(better_time_signature, parent)
indicator = parent._get_indicator(indicatortools.TimeSignature)
parent_time_signature = indicator
new_prolation = parent_time_signature.implied_prolation
adjusted_prolation = old_prolation / new_prolation
for x in parent:
if isinstance(x, scoretools.FixedDurationTuplet):
x.target_duration *= adjusted_prolation
else:
if adjusted_prolation != 1:
new_target = \
x._preprolated_duration * adjusted_prolation
scoretools.FixedDurationTuplet(new_target, [x])
parent = parent._parent
i += 1
parentage = self._get_parentage(include_self=False)
parent = self._parent
if parent:
index = parent.index(self)
del (parent[index])
for x in parentage:
if not len(x):
x._extract()
else:
break
def _conditionally_adjust_time_signature(self, old_denominator):
if self.automatically_adjust_time_signature:
naive_time_signature = self._preprolated_duration
better_time_signature = \
mathtools.NonreducedFraction(naive_time_signature)
better_time_signature = \
better_time_signature.with_denominator(old_denominator)
better_time_signature = \
indicatortools.TimeSignature(better_time_signature)
detach(indicatortools.TimeSignature, self)
attach(better_time_signature, self)
def _conditionally_adjust_time_signature(self, old_denominator):
if self.automatically_adjust_time_signature:
naive_time_signature = self._preprolated_duration
better_time_signature = \
mathtools.NonreducedFraction(naive_time_signature)
better_time_signature = \
better_time_signature.with_denominator(old_denominator)
better_time_signature = \
indicatortools.TimeSignature(better_time_signature)
detach(indicatortools.TimeSignature, self)
attach(better_time_signature, self)
def _apply_division_masks(self, selections, rotation=None):
from abjad.tools import rhythmmakertools
if not self.division_masks:
return selections
new_selections = []
duration_spelling_specifier = self._get_duration_spelling_specifier()
decrease_durations_monotonically = \
duration_spelling_specifier.decrease_durations_monotonically
forbidden_written_duration = \
duration_spelling_specifier.forbidden_written_duration
tie_specifier = self._get_tie_specifier()
length = len(selections)
division_masks = self.division_masks
for i, selection in enumerate(selections):
matching_division_mask = division_masks.get_matching_pattern(
i,
length,
rotation=rotation,
)
if not matching_division_mask:
new_selections.append(selection)
continue
duration = selection.get_duration()
if isinstance(
matching_division_mask,
rhythmmakertools.SustainMask,
):
new_selection = scoretools.make_leaves(
[0],
[duration],
decrease_durations_monotonically=\
decrease_durations_monotonically,
forbidden_written_duration=forbidden_written_duration,
use_messiaen_style_ties=\
tie_specifier.use_messiaen_style_ties,
)
else:
use_multimeasure_rests = getattr(
matching_division_mask,
'use_multimeasure_rests',
False,
)
new_selection = scoretools.make_leaves(
[None],
[duration],
decrease_durations_monotonically=\
decrease_durations_monotonically,
forbidden_written_duration=forbidden_written_duration,
use_multimeasure_rests=use_multimeasure_rests,
)
for component in iterate(selection).by_class():
detach(spannertools.Tie, component)
new_selections.append(new_selection)
return new_selections
def _do_tie_consecutive_notes(self, divisions):
if not self.tie_consecutive_notes:
return
leaves = list(iterate(divisions).by_leaf())
for leaf in leaves:
detach(spannertools.Tie, leaf)
pairs = itertools.groupby(leaves, lambda _: _.__class__)
for class_, group in pairs:
group = list(group)
if isinstance(group[0], scoretools.Note):
if 1 < len(group):
attach(spannertools.Tie(), group)
def _do_tie_consecutive_notes(self, divisions):
if not self.tie_consecutive_notes:
return
leaves = list(iterate(divisions).by_leaf())
for leaf in leaves:
detach(spannertools.Tie, leaf)
pairs = itertools.groupby(leaves, lambda _: _.__class__)
for class_, group in pairs:
group = list(group)
if isinstance(group[0], scoretools.Note):
if 1 < len(group):
attach(spannertools.Tie(), group)
def set_measure_denominator_and_adjust_numerator(measure, denominator):
r'''Set `measure` time signature `denominator` and multiply time signature numerator accordingly:
::
>>> measure = Measure((3, 8), "c'8 d'8 e'8")
>>> beam = spannertools.Beam()
>>> attach(beam, measure[:])
.. doctest::
>>> print(format(measure))
{
\time 3/8
c'8 [
d'8
e'8 ]
}
::
>>> scoretools.set_measure_denominator_and_adjust_numerator(measure, 16)
Measure((6, 16), "c'8 d'8 e'8")
.. doctest::
>>> print(format(measure))
{
\time 6/16
c'8 [
d'8
e'8 ]
}
Leave `measure` contents unchanged.
Return `measure`.
'''
from abjad.tools import scoretools
if isinstance(measure, scoretools.Measure):
# to allow iteration inside zero-update loop
old_time_signature = measure.time_signature
old_time_signature_pair = (old_time_signature.numerator,
old_time_signature.denominator)
new_time_signature = mathtools.NonreducedFraction(
old_time_signature_pair)
new_time_signature = new_time_signature.with_denominator(denominator)
new_time_signature = indicatortools.TimeSignature(new_time_signature)
detach(indicatortools.TimeSignature, measure)
attach(new_time_signature, measure)
return measure
def move_full_measure_tuplet_prolation_to_measure_time_signature(expr):
r'''Moves prolation of full-measure tuplet to time signature of measure.
Measures usually become non-power-of-two as as result.
.. container:: example
::
>>> tuplet = scoretools.FixedDurationTuplet(Duration(2, 8), "c'8 d'8 e'8")
>>> measure = Measure((2, 8), [tuplet])
>>> measure.implicit_scaling = True
>>> scoretools.move_full_measure_tuplet_prolation_to_measure_time_signature(measure)
.. doctest::
>>> print format(measure)
{
\time 3/12
\scaleDurations #'(2 . 3) {
c'8
d'8
e'8
}
}
Returns none.
'''
from abjad.tools import indicatortools
from abjad.tools import scoretools
for measure in iterate(expr).by_class(scoretools.Measure):
if len(measure) == 1:
if isinstance(measure[0], scoretools.Tuplet):
tuplet = measure[0]
tuplet_multiplier = tuplet.multiplier
tuplet_denominator = tuplet_multiplier.denominator
reduced_denominator = mathtools.remove_powers_of_two(tuplet_denominator)
time_signature = measure.time_signature
time_signature_rational = durationtools.Duration(
time_signature.numerator, time_signature.denominator)
numerator = time_signature_rational.numerator * reduced_denominator
denominator = time_signature_rational.denominator * reduced_denominator
time_signature = indicatortools.TimeSignature((numerator, denominator))
detach(indicatortools.TimeSignature, measure)
attach(time_signature, measure)
if time_signature.has_non_power_of_two_denominator:
measure.implicit_scaling = True
time_signature_multiplier = \
measure.time_signature.implied_prolation
written_adjustment = tuplet_multiplier / time_signature_multiplier
tuplet._extract()
measure._scale_contents(written_adjustment)
def _get_span_events(self, leaf):
annotations = leaf._get_indicators(indicatortools.Annotation)
detach(indicatortools.Annotation, leaf)
if annotations:
spanners_annotations = [x for x in annotations if x.name == "spanners"]
if 1 == len(spanners_annotations):
return spanners_annotations[0].value
elif 1 < len(spanners_annotations):
message = "multiple span events lists attached to {}."
message = message.format(leaf)
raise Exception(message)
return []
def _remove_and_shrink_durated_parent_containers(self):
from abjad.tools import indicatortools
from abjad.tools import scoretools
prolated_leaf_duration = self._get_duration()
parentage = self._get_parentage(include_self=False)
prolations = parentage._prolations
current_prolation, i = durationtools.Duration(1), 0
parent = self._parent
while parent is not None and not parent.is_simultaneous:
current_prolation *= prolations[i]
if isinstance(parent, scoretools.FixedDurationTuplet):
candidate_new_parent_dur = (parent.target_duration -
current_prolation * self.written_duration)
if durationtools.Duration(0) < candidate_new_parent_dur:
parent.target_duration = candidate_new_parent_dur
elif isinstance(parent, scoretools.Measure):
indicator = parent._get_indicator(indicatortools.TimeSignature)
parent_time_signature = indicator
old_prolation = parent_time_signature.implied_prolation
naive_time_signature = (
parent_time_signature.duration - prolated_leaf_duration)
better_time_signature = mathtools.NonreducedFraction(
naive_time_signature)
better_time_signature = better_time_signature.with_denominator(
parent_time_signature.denominator)
better_time_signature = indicatortools.TimeSignature(
better_time_signature)
detach(indicatortools.TimeSignature, parent)
attach(better_time_signature, parent)
indicator = parent._get_indicator(indicatortools.TimeSignature)
parent_time_signature = indicator
new_prolation = parent_time_signature.implied_prolation
adjusted_prolation = old_prolation / new_prolation
for x in parent:
if isinstance(x, scoretools.FixedDurationTuplet):
x.target_duration *= adjusted_prolation
else:
if adjusted_prolation != 1:
new_target = \
x._preprolated_duration * adjusted_prolation
scoretools.FixedDurationTuplet(new_target, [x])
parent = parent._parent
i += 1
parentage = self._get_parentage(include_self=False)
parent = self._parent
if parent:
index = parent.index(self)
del(parent[index])
for x in parentage:
if not len(x):
x._extract()
else:
break
def set_measure_denominator_and_adjust_numerator(measure, denominator):
r'''Set `measure` time signature `denominator` and multiply time signature numerator accordingly:
::
>>> measure = Measure((3, 8), "c'8 d'8 e'8")
>>> beam = spannertools.Beam()
>>> attach(beam, measure.select_leaves())
.. doctest::
>>> print format(measure)
{
\time 3/8
c'8 [
d'8
e'8 ]
}
::
>>> scoretools.set_measure_denominator_and_adjust_numerator(measure, 16)
Measure((6, 16), "c'8 d'8 e'8")
.. doctest::
>>> print format(measure)
{
\time 6/16
c'8 [
d'8
e'8 ]
}
Leave `measure` contents unchanged.
Return `measure`.
'''
from abjad.tools import scoretools
if isinstance(measure, scoretools.Measure):
# to allow iteration inside zero-update loop
old_time_signature = measure.time_signature
old_time_signature_pair = (
old_time_signature.numerator, old_time_signature.denominator)
new_time_signature = mathtools.NonreducedFraction(old_time_signature_pair)
new_time_signature = new_time_signature.with_denominator(denominator)
new_time_signature = indicatortools.TimeSignature(new_time_signature)
detach(indicatortools.TimeSignature, measure)
attach(new_time_signature, measure)
return measure
def _cleanup(self, parsed):
container = scoretools.Container()
for x in parsed:
container.append(x)
parsed = container
leaves = parsed.select_leaves(allow_discontiguous_leaves=True)
if leaves:
self._apply_spanners(leaves)
for leaf in leaves:
detach(indicatortools.Annotation, leaf)
if 1 < self._toplevel_component_count:
return parsed
return parsed[0]
def _get_span_events(self, leaf):
annotations = leaf._get_indicators(indicatortools.Annotation)
detach(indicatortools.Annotation, leaf)
if annotations:
spanners_annotations = [
x for x in annotations if x.name == 'spanners']
if 1 == len(spanners_annotations):
return spanners_annotations[0].value
elif 1 < len(spanners_annotations):
message = 'multiple span events lists attached to {}.'
message = message.format(leaf)
raise Exception(message)
return []
def _cleanup(self, parsed):
container = scoretools.Container()
for x in parsed:
container.append(x)
parsed = container
leaves = parsed.select_leaves(allow_discontiguous_leaves=True)
if leaves:
self._apply_spanners(leaves)
for leaf in leaves:
detach(indicatortools.Annotation, leaf)
if 1 < self._toplevel_component_count:
return parsed
return parsed[0]
def _divide(self, pitch=None):
from abjad.tools import scoretools
from abjad.tools import markuptools
from abjad.tools import pitchtools
pitch = pitch or pitchtools.NamedPitch('b', 3)
pitch = pitchtools.NamedPitch(pitch)
treble = copy.copy(self)
bass = copy.copy(self)
detach(markuptools.Markup, treble)
detach(markuptools.Markup, bass)
if isinstance(treble, scoretools.Note):
if treble.written_pitch < pitch:
treble = scoretools.Rest(treble)
elif isinstance(treble, scoretools.Rest):
pass
elif isinstance(treble, scoretools.Chord):
for note_head in reversed(treble.note_heads):
if note_head.written_pitch < pitch:
treble.note_heads.remove(note_head)
else:
raise TypeError
if isinstance(bass, scoretools.Note):
if pitch <= bass.written_pitch:
bass = scoretools.Rest(bass)
elif isinstance(bass, scoretools.Rest):
pass
elif isinstance(bass, scoretools.Chord):
for note_head in reversed(bass.note_heads):
if pitch <= note_head.written_pitch:
bass.note_heads.remove(note_head)
else:
raise TypeError
treble = self._cast_defective_chord(treble)
bass = self._cast_defective_chord(bass)
up_markup = self._get_markup(direction=Up)
up_markup = [copy.copy(markup) for markup in up_markup]
down_markup = self._get_markup(direction=Down)
down_markup = [copy.copy(markup) for markup in down_markup]
for markup in up_markup:
markup(treble)
for markup in down_markup:
markup(bass)
return treble, bass
def _copy_with_indicators_but_without_children_or_spanners(self):
from abjad.tools import indicatortools
new = type(self)(*self.__getnewargs__())
# only the following line differs from Container
detach(indicatortools.TimeSignature, new)
if getattr(self, '_lilypond_grob_name_manager', None) is not None:
new._lilypond_grob_name_manager = copy.copy(override(self))
if getattr(self, '_lilypond_setting_name_manager', None) is not None:
new._lilypond_setting_name_manager = copy.copy(set_(self))
for indicator in self._get_indicators():
new_indicator = copy.copy(indicator)
attach(new_indicator, new)
new.is_simultaneous = self.is_simultaneous
return new
def _divide(self, pitch=None):
from abjad.tools import scoretools
from abjad.tools import markuptools
from abjad.tools import pitchtools
pitch = pitch or pitchtools.NamedPitch('b', 3)
pitch = pitchtools.NamedPitch(pitch)
treble = copy.copy(self)
bass = copy.copy(self)
detach(markuptools.Markup, treble)
detach(markuptools.Markup, bass)
if isinstance(treble, scoretools.Note):
if treble.written_pitch < pitch:
treble = scoretools.Rest(treble)
elif isinstance(treble, scoretools.Rest):
pass
elif isinstance(treble, scoretools.Chord):
for note_head in reversed(treble.note_heads):
if note_head.written_pitch < pitch:
treble.note_heads.remove(note_head)
else:
raise TypeError
if isinstance(bass, scoretools.Note):
if pitch <= bass.written_pitch:
bass = scoretools.Rest(bass)
elif isinstance(bass, scoretools.Rest):
pass
elif isinstance(bass, scoretools.Chord):
for note_head in reversed(bass.note_heads):
if pitch <= note_head.written_pitch:
bass.note_heads.remove(note_head)
else:
raise TypeError
treble = self._cast_defective_chord(treble)
bass = self._cast_defective_chord(bass)
up_markup = self._get_markup(direction=Up)
up_markup = [copy.copy(markup) for markup in up_markup]
down_markup = self._get_markup(direction=Down)
down_markup = [copy.copy(markup) for markup in down_markup]
for markup in up_markup:
markup(treble)
for markup in down_markup:
markup(bass)
return treble, bass
def _cleanup(self, parsed):
import abjad
container = scoretools.Container()
for x in parsed:
container.append(x)
parsed = container
leaves = abjad.select(parsed).leaves()
if leaves:
self._apply_spanners(leaves)
for leaf in leaves:
detach(dict, leaf)
if 1 < self._toplevel_component_count:
return parsed
return parsed[0]
def _cleanup(self, parsed):
import abjad
container = scoretools.Container()
for x in parsed:
container.append(x)
parsed = container
leaves = abjad.select(parsed).leaves()
if leaves:
self._apply_spanners(leaves)
for leaf in leaves:
detach(dict, leaf)
if 1 < self._toplevel_component_count:
return parsed
return parsed[0]
def _do_tie_across_divisions(self, divisions):
from abjad.tools import rhythmmakertools
if not self.tie_across_divisions:
return
if self.strip_ties:
return
if self.tie_consecutive_notes:
return
length = len(divisions)
tie_across_divisions = self.tie_across_divisions
if isinstance(tie_across_divisions, bool):
tie_across_divisions = [tie_across_divisions]
if not isinstance(tie_across_divisions, patterntools.Pattern):
tie_across_divisions = patterntools.Pattern.from_vector(
tie_across_divisions)
pairs = sequencetools.iterate_sequence_nwise(divisions)
rest_prototype = (scoretools.Rest, scoretools.MultimeasureRest)
for i, pair in enumerate(pairs):
if not tie_across_divisions.matches_index(i, length):
continue
division_one, division_two = pair
leaf_one = next(iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True,
))
leaf_two = next(iterate(division_two).by_class(
prototype=scoretools.Leaf,
))
leaves = [leaf_one, leaf_two]
if isinstance(leaf_one, rest_prototype):
continue
if isinstance(leaf_two, rest_prototype):
continue
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
tie_spanner = spannertools.Tie(
use_messiaen_style_ties=self.use_messiaen_style_ties,
)
tie_spanner._unconstrain_contiguity()
attach(tie_spanner, combined_logical_tie)
tie_spanner._constrain_contiguity()
def __mul__(self, n):
r'''Copies component `n` times and detaches spanners.
Returns list of new components.
'''
from abjad.tools import spannertools
result = mutate(self).copy(n=n)
for component in iterate(result).by_class():
detach(spannertools.Spanner, component)
if isinstance(result, type(self)):
result = [result]
else:
result = list(result)
result = selectiontools.Selection(result)
return result
def _divide(self, pitch=None):
from abjad.tools import markuptools
treble = copy.copy(self)
bass = copy.copy(self)
detach(markuptools.Markup, treble)
detach(markuptools.Markup, bass)
up_markup = self._get_markup(direction=Up)
up_markup = [copy.copy(markup) for markup in up_markup]
down_markup = self._get_markup(direction=Down)
down_markup = [copy.copy(markup) for markup in down_markup]
for markup in up_markup:
markup(treble)
for markup in down_markup:
markup(bass)
return treble, bass
def _copy_with_indicators_but_without_children_or_spanners(self):
from abjad.tools import indicatortools
new = type(self)(*self.__getnewargs__())
# only the following line differs from Container
detach(indicatortools.TimeSignature, new)
if getattr(self, '_lilypond_grob_name_manager', None) is not None:
new._lilypond_grob_name_manager = copy.copy(override(self))
if getattr(self, '_lilypond_setting_name_manager', None) is not None:
new._lilypond_setting_name_manager = copy.copy(set_(self))
for indicator in self._get_indicators():
new_indicator = copy.copy(indicator)
attach(new_indicator, new)
new.is_simultaneous = self.is_simultaneous
new.implicit_scaling = self.implicit_scaling
return new
def __mul__(self, n):
r'''Copies component `n` times and detaches spanners.
Returns list of new components.
'''
from abjad.tools import spannertools
result = mutate(self).copy(n=n)
for component in iterate(result).by_class():
detach(spannertools.Spanner, component)
if isinstance(result, type(self)):
result = [result]
else:
result = list(result)
result = selectiontools.Selection(result)
return result
def _do_tie_across_divisions(self, divisions):
if not self.tie_across_divisions:
return
if self.strip_ties:
return
if self.tie_consecutive_notes:
return
length = len(divisions)
tie_across_divisions = self.tie_across_divisions
if isinstance(tie_across_divisions, bool):
tie_across_divisions = [tie_across_divisions]
if not isinstance(tie_across_divisions, patterntools.Pattern):
tie_across_divisions = patterntools.Pattern.from_vector(
tie_across_divisions)
pairs = sequencetools.iterate_sequence_nwise(divisions)
rest_prototype = (scoretools.Rest, scoretools.MultimeasureRest)
for i, pair in enumerate(pairs):
if not tie_across_divisions.matches_index(i, length):
continue
division_one, division_two = pair
leaf_one = next(
iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True,
))
leaf_two = next(
iterate(division_two).by_class(prototype=scoretools.Leaf, ))
leaves = [leaf_one, leaf_two]
if isinstance(leaf_one, rest_prototype):
continue
if isinstance(leaf_two, rest_prototype):
continue
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
tie_spanner = spannertools.Tie(
use_messiaen_style_ties=self.use_messiaen_style_ties, )
tie_spanner._unconstrain_contiguity()
if tie_spanner._attachment_test_all(combined_logical_tie):
attach(tie_spanner, combined_logical_tie)
tie_spanner._constrain_contiguity()
def _notate_leaves(
self,
grace_handler=None,
voice=None,
):
for leaf in iterate(voice).by_leaf():
if leaf._has_indicator(indicatortools.Annotation):
annotation = leaf._get_indicator(indicatortools.Annotation)
pitches, grace_container = grace_handler(annotation.value)
if not pitches:
new_leaf = scoretools.Rest(leaf)
elif 1 < len(pitches):
new_leaf = scoretools.Chord(leaf)
new_leaf.written_pitches = pitches
else:
new_leaf = scoretools.Note(leaf)
new_leaf.written_pitch = pitches[0]
if grace_container:
attach(grace_container, new_leaf)
tie = spannertools.Tie()
if tie._attachment_test(new_leaf):
attach(tie, new_leaf)
mutate(leaf).replace(new_leaf)
else:
previous_leaf = leaf._get_leaf(-1)
if isinstance(previous_leaf, scoretools.Rest):
new_leaf = type(previous_leaf)(
leaf.written_duration,
)
elif isinstance(previous_leaf, scoretools.Note):
new_leaf = type(previous_leaf)(
previous_leaf.written_pitch,
leaf.written_duration,
)
else:
new_leaf = type(previous_leaf)(
previous_leaf.written_pitch,
leaf.written_duration,
)
mutate(leaf).replace(new_leaf)
tie = inspect_(previous_leaf).get_spanner(spannertools.Tie)
if tie is not None:
tie._append(new_leaf)
if leaf._has_indicator(indicatortools.Tempo):
tempo = leaf._get_indicator(indicatortools.Tempo)
detach(indicatortools.Tempo, leaf)
attach(tempo, new_leaf)
def _notate_leaves(
self,
grace_handler=None,
voice=None,
):
for leaf in voice.select_leaves():
if leaf._has_indicator(indicatortools.Annotation):
annotation = leaf._get_indicator(indicatortools.Annotation)
pitches, grace_container = grace_handler(annotation.value)
if not pitches:
new_leaf = scoretools.Rest(leaf)
elif 1 < len(pitches):
new_leaf = scoretools.Chord(leaf)
new_leaf.written_pitches = pitches
else:
new_leaf = scoretools.Note(leaf)
new_leaf.written_pitch = pitches[0]
if grace_container:
attach(grace_container, new_leaf)
tie = spannertools.Tie()
if tie._attachment_test(new_leaf):
attach(tie, new_leaf)
mutate(leaf).replace(new_leaf)
else:
previous_leaf = leaf._get_leaf(-1)
if isinstance(previous_leaf, scoretools.Rest):
new_leaf = type(previous_leaf)(
leaf.written_duration,
)
elif isinstance(previous_leaf, scoretools.Note):
new_leaf = type(previous_leaf)(
previous_leaf.written_pitch,
leaf.written_duration,
)
else:
new_leaf = type(previous_leaf)(
previous_leaf.written_pitch,
leaf.written_duration,
)
mutate(leaf).replace(new_leaf)
tie = inspect_(previous_leaf).get_spanner(spannertools.Tie)
if tie is not None:
tie._append(new_leaf)
if leaf._has_indicator(indicatortools.Tempo):
tempo = leaf._get_indicator(indicatortools.Tempo)
detach(indicatortools.Tempo, leaf)
attach(tempo, new_leaf)
def _make_ties_across_divisions(self, music):
if not self.tie_across_divisions:
return
if self.tie_across_divisions == True:
for division_one, division_two in \
sequencetools.iterate_sequence_nwise(music):
leaf_one = next(iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True))
leaf_two = next(iterate(division_two).by_class(
prototype=scoretools.Leaf))
leaves = [leaf_one, leaf_two]
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
attach(spannertools.Tie(), combined_logical_tie)
elif isinstance(self.tie_across_divisions, (tuple, list)):
tie_across_divisions = datastructuretools.CyclicTuple(
self.tie_across_divisions
)
pairs = sequencetools.iterate_sequence_nwise(music)
for i, pair in enumerate(pairs):
indicator = tie_across_divisions[i]
if not bool(indicator):
continue
division_one, division_two = pair
leaf_one = next(iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True,
))
leaf_two = next(iterate(division_two).by_class(
prototype=scoretools.Leaf,
))
leaves = [leaf_one, leaf_two]
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
attach(spannertools.Tie(), combined_logical_tie)
else:
raise TypeError(self.tie_across_divisions)
def _make_ties_across_divisions(self, music):
if not self.tie_across_divisions:
return
if self.tie_across_divisions == True:
for division_one, division_two in \
sequencetools.iterate_sequence_nwise(music):
leaf_one = next(
iterate(division_one).by_class(prototype=scoretools.Leaf,
reverse=True))
leaf_two = next(
iterate(division_two).by_class(prototype=scoretools.Leaf))
leaves = [leaf_one, leaf_two]
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
attach(spannertools.Tie(), combined_logical_tie)
elif isinstance(self.tie_across_divisions, (tuple, list)):
tie_across_divisions = datastructuretools.CyclicTuple(
self.tie_across_divisions)
pairs = sequencetools.iterate_sequence_nwise(music)
for i, pair in enumerate(pairs):
indicator = tie_across_divisions[i]
if not bool(indicator):
continue
division_one, division_two = pair
leaf_one = next(
iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True,
))
leaf_two = next(
iterate(division_two).by_class(
prototype=scoretools.Leaf, ))
leaves = [leaf_one, leaf_two]
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
attach(spannertools.Tie(), combined_logical_tie)
else:
raise TypeError(self.tie_across_divisions)
def _make_ties_across_divisions(self, divisions):
from abjad.tools import rhythmmakertools
if not self.tie_across_divisions:
return
length = len(divisions)
tie_across_divisions = self.tie_across_divisions
if isinstance(tie_across_divisions, bool):
tie_across_divisions = [tie_across_divisions]
if not isinstance(tie_across_divisions,
rhythmmakertools.BooleanPattern):
tie_across_divisions = \
rhythmmakertools.BooleanPattern.from_sequence(
tie_across_divisions)
pairs = sequencetools.iterate_sequence_nwise(divisions)
for i, pair in enumerate(pairs):
if not tie_across_divisions.matches_index(i, length):
continue
division_one, division_two = pair
leaf_one = next(iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True,
))
leaf_two = next(iterate(division_two).by_class(
prototype=scoretools.Leaf,
))
leaves = [leaf_one, leaf_two]
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
tie_spanner = spannertools.Tie(
use_messiaen_style_ties=self.use_messiaen_style_ties,
)
tie_spanner._unconstrain_contiguity()
attach(tie_spanner, combined_logical_tie)
tie_spanner._constrain_contiguity()
def _apply_logical_tie_masks(self, selections):
from abjad.tools import rhythmmakertools
if self.logical_tie_masks is None:
return selections
# wrap every selection in a temporary container;
# this allows the call to mutate().replace() to work
containers = []
for selection in selections:
container = scoretools.Container(selection)
attach('temporary container', container)
containers.append(container)
logical_ties = iterate(selections).by_logical_tie()
logical_ties = list(logical_ties)
total_logical_ties = len(logical_ties)
for index, logical_tie in enumerate(logical_ties[:]):
matching_mask = self.logical_tie_masks.get_matching_pattern(
index,
total_logical_ties,
)
if not isinstance(matching_mask, rhythmmakertools.SilenceMask):
continue
if isinstance(logical_tie.head, scoretools.Rest):
continue
for leaf in logical_tie:
rest = scoretools.Rest(leaf.written_duration)
inspector = inspect_(leaf)
if inspector.has_indicator(durationtools.Multiplier):
multiplier = inspector.get_indicator(
durationtools.Multiplier,
)
multiplier = durationtools.Multiplier(multiplier)
attach(multiplier, rest)
mutate(leaf).replace([rest])
detach(spannertools.Tie, rest)
# remove every temporary container and recreate selections
new_selections = []
for container in containers:
inspector = inspect_(container)
assert inspector.get_indicator(str) == 'temporary container'
new_selection = mutate(container).eject_contents()
new_selections.append(new_selection)
return new_selections
def _apply_logical_tie_masks(self, selections):
from abjad.tools import rhythmmakertools
if self.logical_tie_masks is None:
return selections
# wrap every selection in a temporary container;
# this allows the call to mutate().replace() to work
containers = []
for selection in selections:
container = scoretools.Container(selection)
attach('temporary container', container)
containers.append(container)
logical_ties = iterate(selections).by_logical_tie()
logical_ties = list(logical_ties)
total_logical_ties = len(logical_ties)
for index, logical_tie in enumerate(logical_ties[:]):
matching_mask = self.logical_tie_masks.get_matching_pattern(
index,
total_logical_ties,
)
if not isinstance(matching_mask, rhythmmakertools.SilenceMask):
continue
if isinstance(logical_tie.head, scoretools.Rest):
continue
for leaf in logical_tie:
rest = scoretools.Rest(leaf.written_duration)
inspector = inspect_(leaf)
if inspector.has_indicator(durationtools.Multiplier):
multiplier = inspector.get_indicator(
durationtools.Multiplier, )
multiplier = durationtools.Multiplier(multiplier)
attach(multiplier, rest)
mutate(leaf).replace([rest])
detach(spannertools.Tie, rest)
# remove every temporary container and recreate selections
new_selections = []
for container in containers:
inspector = inspect_(container)
assert inspector.get_indicator(str) == 'temporary container'
new_selection = mutate(container).eject_contents()
new_selections.append(new_selection)
return new_selections
def move_measure_prolation_to_full_measure_tuplet(expr):
'''Move measure prolation to full-measure tuplet.
Turn non-power-of-two measures into power-of-two measures containing
a single fixed-duration tuplet.
Note that not all non-power-of-two measures can be made power-of-two.
Returns None because processes potentially many measures.
'''
from abjad.tools import indicatortools
from abjad.tools import scoretools
for measure in iterate(expr).by_class(scoretools.Measure):
effective_time_signature = measure.time_signature
if effective_time_signature.has_non_power_of_two_denominator:
# find time signature and contents multipliers
time_signature_multiplier = effective_time_signature.implied_prolation
contents_multiplier = \
measure._get_likely_multiplier_of_components(measure[:])
# update non-power-of-two time signature to power-of-two
power_of_two_time_signature = effective_time_signature.with_power_of_two_denominator(
contents_multiplier)
detach(indicatortools.TimeSignature, measure)
attach(power_of_two_time_signature, measure)
# find target duration and create tuplet
target_duration = time_signature_multiplier * measure._contents_duration
tuplet = scoretools.FixedDurationTuplet(target_duration,
measure[:])
# scale tuplet contents, if helpful
if contents_multiplier is not None:
numerator = contents_multiplier.numerator
denominator = contents_multiplier.denominator
pair = (denominator, numerator)
inverse_multiplier = durationtools.Multiplier(*pair)
tuplet._scale_contents(inverse_multiplier)
def remove_markup_from_leaves_in_expr(expr):
r'''Remove markup from leaves in `expr`:
::
>>> staff = Staff("c'8 d'8 e'8 f'8")
>>> labeltools.label_leaves_in_expr_with_pitch_class_numbers(staff)
>>> print(format(staff))
\new Staff {
c'8 _ \markup { \small 0 }
d'8 _ \markup { \small 2 }
e'8 _ \markup { \small 4 }
f'8 _ \markup { \small 5 }
}
::
>>> show(staff) # doctest: +SKIP
::
>>> labeltools.remove_markup_from_leaves_in_expr(staff)
>>> print(format(staff))
\new Staff {
c'8
d'8
e'8
f'8
}
::
>>> show(staff) # doctest: +SKIP
Returns none.
'''
from abjad.tools import markuptools
for leaf in iterate(expr).by_class(scoretools.Leaf):
detach(markuptools.Markup, leaf)
def move_measure_prolation_to_full_measure_tuplet(expr):
'''Move measure prolation to full-measure tuplet.
Turn non-power-of-two measures into power-of-two measures containing
a single fixed-duration tuplet.
Note that not all non-power-of-two measures can be made power-of-two.
Returns None because processes potentially many measures.
'''
from abjad.tools import indicatortools
from abjad.tools import scoretools
for measure in iterate(expr).by_class(scoretools.Measure):
effective_time_signature = measure.time_signature
if effective_time_signature.has_non_power_of_two_denominator:
# find time signature and contents multipliers
time_signature_multiplier = effective_time_signature.implied_prolation
contents_multiplier = \
measure._get_likely_multiplier_of_components(measure[:])
# update non-power-of-two time signature to power-of-two
power_of_two_time_signature = effective_time_signature.with_power_of_two_denominator(
contents_multiplier)
detach(indicatortools.TimeSignature, measure)
attach(power_of_two_time_signature, measure)
# find target duration and create tuplet
target_duration = time_signature_multiplier * measure._contents_duration
tuplet = scoretools.FixedDurationTuplet(target_duration, measure[:])
# scale tuplet contents, if helpful
if contents_multiplier is not None:
numerator = contents_multiplier.numerator
denominator = contents_multiplier.denominator
pair = (denominator, numerator)
inverse_multiplier = durationtools.Multiplier(*pair)
tuplet._scale_contents(inverse_multiplier)
def _make_ties_across_divisions(music):
for division_one, division_two in \
sequencetools.iterate_sequence_nwise(music):
leaf_one = iterate(division_one).by_class(
prototype=scoretools.Leaf,
reverse=True,
).next()
leaf_two = iterate(division_two).by_class(
prototype=scoretools.Leaf,
).next()
leaves = [leaf_one, leaf_two]
prototype = (scoretools.Note, scoretools.Chord)
if not all(isinstance(x, prototype) for x in leaves):
continue
logical_tie_one = inspect_(leaf_one).get_logical_tie()
logical_tie_two = inspect_(leaf_two).get_logical_tie()
for tie in inspect_(leaf_one).get_spanners(spannertools.Tie):
detach(tie, leaf_one)
for tie in inspect_(leaf_two).get_spanners(spannertools.Tie):
detach(tie, leaf_two)
combined_logical_tie = logical_tie_one + logical_tie_two
attach(spannertools.Tie(), combined_logical_tie)
def _divide(self, pitch=None):
from abjad.tools import markuptools
from abjad.tools import pitchtools
from abjad.tools import scoretools
pitch = pitch or pitchtools.NamedPitch('b', 3)
pitch = pitchtools.NamedPitch(pitch)
treble = copy.copy(self)
bass = copy.copy(self)
detach(markuptools.Markup, treble)
detach(markuptools.Markup, bass)
if treble.written_pitch < pitch:
treble = scoretools.Rest(treble)
if pitch <= bass.written_pitch:
bass = scoretools.Rest(bass)
up_markup = self._get_markup(direction=Up)
up_markup = [copy.copy(markup) for markup in up_markup]
down_markup = self._get_markup(direction=Down)
down_markup = [copy.copy(markup) for markup in down_markup]
for markup in up_markup:
markup(treble)
for markup in down_markup:
markup(bass)
return treble, bass
def _divide(self, pitch=None):
from abjad.tools import markuptools
from abjad.tools import pitchtools
from abjad.tools import scoretools
pitch = pitch or pitchtools.NamedPitch('b', 3)
pitch = pitchtools.NamedPitch(pitch)
treble = copy.copy(self)
bass = copy.copy(self)
detach(markuptools.Markup, treble)
detach(markuptools.Markup, bass)
if treble.written_pitch < pitch:
treble = scoretools.Rest(treble)
if pitch <= bass.written_pitch:
bass = scoretools.Rest(bass)
up_markup = self._get_markup(direction=Up)
up_markup = [copy.copy(markup) for markup in up_markup]
down_markup = self._get_markup(direction=Down)
down_markup = [copy.copy(markup) for markup in down_markup]
for markup in up_markup:
markup(treble)
for markup in down_markup:
markup(bass)
return treble, bass
def _split(
self,
durations,
cyclic=False,
fracture_spanners=False,
tie_split_notes=True,
use_messiaen_style_ties=False,
):
from abjad.tools import pitchtools
from abjad.tools import selectiontools
from abjad.tools import scoretools
from abjad.tools import spannertools
durations = [durationtools.Duration(x) for x in durations]
if cyclic:
durations = sequencetools.repeat_sequence_to_weight(
durations, self._get_duration())
durations = [durationtools.Duration(x) for x in durations]
if sum(durations) < self._get_duration():
last_duration = self._get_duration() - sum(durations)
durations.append(last_duration)
sequencetools.truncate_sequence(
durations,
weight=self._get_duration(),
)
result = []
leaf_prolation = self._get_parentage(include_self=False).prolation
timespan = self._get_timespan()
start_offset = timespan.start_offset
for duration in durations:
new_leaf = copy.copy(self)
preprolated_duration = duration / leaf_prolation
shard = new_leaf._set_duration(
preprolated_duration,
use_messiaen_style_ties=use_messiaen_style_ties,
)
for x in shard:
if isinstance(x, scoretools.Leaf):
x_duration = x.written_duration * leaf_prolation
else:
x_duration = x.multiplied_duration * leaf_prolation
stop_offset = x_duration + start_offset
x._start_offset = start_offset
x._stop_offset = stop_offset
x._timespan = timespantools.Timespan(
start_offset=start_offset,
stop_offset=stop_offset,
)
start_offset = stop_offset
shard = [x._get_parentage().root for x in shard]
result.append(shard)
flattened_result = sequencetools.flatten_sequence(result)
flattened_result = selectiontools.Selection(flattened_result)
prototype = (spannertools.Tie,)
parentage = self._get_parentage()
if parentage._get_spanners(prototype=prototype):
selection = select(flattened_result)
for component in selection:
# TODO: make top-level detach() work here
for spanner in component._get_spanners(prototype):
spanner._sever_all_components()
#detach(prototype, component)
# replace leaf with flattened result
selection = selectiontools.Selection(self)
parent, start, stop = selection._get_parent_and_start_stop_indices()
if parent:
parent.__setitem__(slice(start, stop + 1), flattened_result)
else:
selection._give_dominant_spanners(flattened_result)
selection._withdraw_from_crossing_spanners()
# fracture spanners
if fracture_spanners:
first_shard = result[0]
for spanner in first_shard[-1]._get_spanners():
index = spanner._index(first_shard[-1])
spanner._fracture(index, direction=Right)
last_shard = result[-1]
for spanner in last_shard[0]._get_spanners():
index = spanner._index(last_shard[0])
spanner._fracture(index, direction=Left)
for middle_shard in result[1:-1]:
for spanner in middle_shard[0]._get_spanners():
index = spanner._index(middle_shard[0])
spanner._fracture(index, direction=Left)
for spanner in middle_shard[-1]._get_spanners():
index = spanner._index(middle_shard[-1])
spanner._fracture(index, direction=Right)
# adjust first leaf
first_leaf = flattened_result[0]
self._detach_grace_containers(kind='after')
# adjust any middle leaves
for middle_leaf in flattened_result[1:-1]:
middle_leaf._detach_grace_containers(kind='grace')
self._detach_grace_containers(kind='after')
detach(object, middle_leaf)
# adjust last leaf
last_leaf = flattened_result[-1]
last_leaf._detach_grace_containers(kind='grace')
detach(object, last_leaf)
# tie split notes, rests and chords as specified
if pitchtools.Pitch.is_pitch_carrier(self) and tie_split_notes:
flattened_result_leaves = iterate(flattened_result).by_class(
scoretools.Leaf)
# TODO: implement Selection._attach_tie_spanner_to_leaves()
for leaf_pair in sequencetools.iterate_sequence_nwise(
flattened_result_leaves):
selection = selectiontools.Selection(leaf_pair)
selection._attach_tie_spanner_to_leaf_pair(
use_messiaen_style_ties=use_messiaen_style_ties,
)
# return result
return result
def _detach_all_beams(self, divisions):
for component in iterate(divisions).by_class():
detach(spannertools.Beam, component)
def _detach_grace_containers(self, kind=None):
grace_containers = self._get_grace_containers(kind=kind)
for grace_container in grace_containers:
detach(grace_container, self)
return grace_containers
def _move_indicators(self, recipient_component):
for indicator in self._get_indicators(unwrap=False):
detach(indicator, self)
attach(indicator, recipient_component)
def _split(
self,
durations,
cyclic=False,
fracture_spanners=False,
tie_split_notes=True,
use_messiaen_style_ties=False,
):
from abjad.tools import pitchtools
from abjad.tools import selectiontools
from abjad.tools import scoretools
from abjad.tools import spannertools
durations = [durationtools.Duration(x) for x in durations]
if cyclic:
durations = sequencetools.repeat_sequence_to_weight(
durations, self._get_duration())
durations = [durationtools.Duration(x) for x in durations]
if sum(durations) < self._get_duration():
last_duration = self._get_duration() - sum(durations)
durations.append(last_duration)
sequencetools.truncate_sequence(
durations,
weight=self._get_duration(),
)
result = []
leaf_prolation = self._get_parentage(include_self=False).prolation
timespan = self._get_timespan()
start_offset = timespan.start_offset
for duration in durations:
new_leaf = copy.copy(self)
preprolated_duration = duration / leaf_prolation
shard = new_leaf._set_duration(
preprolated_duration,
use_messiaen_style_ties=use_messiaen_style_ties,
)
for x in shard:
if isinstance(x, scoretools.Leaf):
x_duration = x.written_duration * leaf_prolation
else:
x_duration = x.multiplied_duration * leaf_prolation
stop_offset = x_duration + start_offset
x._start_offset = start_offset
x._stop_offset = stop_offset
x._timespan = timespantools.Timespan(
start_offset=start_offset,
stop_offset=stop_offset,
)
start_offset = stop_offset
shard = [x._get_parentage().root for x in shard]
result.append(shard)
flattened_result = sequencetools.flatten_sequence(result)
flattened_result = selectiontools.SliceSelection(flattened_result)
prototype = (spannertools.Tie,)
parentage = self._get_parentage()
if parentage._get_spanners(prototype=prototype):
selection = select(flattened_result)
for component in selection:
# TODO: make top-level detach() work here
for spanner in component._get_spanners(prototype):
spanner._sever_all_components()
#detach(prototype, component)
# replace leaf with flattened result
selection = selectiontools.SliceSelection(self)
parent, start, stop = selection._get_parent_and_start_stop_indices()
if parent:
parent.__setitem__(slice(start, stop + 1), flattened_result)
else:
selection._give_dominant_spanners(flattened_result)
selection._withdraw_from_crossing_spanners()
# fracture spanners
if fracture_spanners:
first_shard = result[0]
for spanner in first_shard[-1]._get_spanners():
index = spanner._index(first_shard[-1])
spanner._fracture(index, direction=Right)
last_shard = result[-1]
for spanner in last_shard[0]._get_spanners():
index = spanner._index(last_shard[0])
spanner._fracture(index, direction=Left)
for middle_shard in result[1:-1]:
for spanner in middle_shard[0]._get_spanners():
index = spanner._index(middle_shard[0])
spanner._fracture(index, direction=Left)
for spanner in middle_shard[-1]._get_spanners():
index = spanner._index(middle_shard[-1])
spanner._fracture(index, direction=Right)
# adjust first leaf
first_leaf = flattened_result[0]
self._detach_grace_containers(kind='after')
# adjust any middle leaves
for middle_leaf in flattened_result[1:-1]:
middle_leaf._detach_grace_containers(kind='grace')
self._detach_grace_containers(kind='after')
detach(object, middle_leaf)
# adjust last leaf
last_leaf = flattened_result[-1]
last_leaf._detach_grace_containers(kind='grace')
detach(object, last_leaf)
# tie split notes, rests and chords as specified
if pitchtools.Pitch.is_pitch_carrier(self) and tie_split_notes:
flattened_result_leaves = iterate(flattened_result).by_class(
scoretools.Leaf)
# TODO: implement SliceSelection._attach_tie_spanner_to_leaves()
for leaf_pair in sequencetools.iterate_sequence_nwise(
flattened_result_leaves):
selection = selectiontools.ContiguousSelection(leaf_pair)
selection._attach_tie_spanner_to_leaf_pair(
use_messiaen_style_ties=use_messiaen_style_ties,
)
# return result
return result