def _beam_rhythm_containers(self, rhythm_containers):
beam_specifier = self.source_expression.beam_specifier
beam_specifier = beam_specifier or rhythmmakertools.BeamSpecifier()
beam_divisions_together = beam_specifier.beam_divisions_together
beam_each_division = beam_specifier.beam_each_division
if beam_divisions_together:
for container in iterate(rhythm_containers).by_class():
spanners = container._get_spanners(spannertools.Beam)
for spanner in spanners:
spanner._sever_all_components()
durations = [x._get_duration() for x in rhythm_containers]
beam = spannertools.DuratedComplexBeam(
durations=durations,
span_beam_count=1,
)
attach(beam, rhythm_containers)
elif beam_each_division:
for container in iterate(rhythm_containers).by_class():
spanners = container._get_spanners(spannertools.Beam)
for spanner in spanners:
spanner._sever_all_components()
for rhythm_container in rhythm_containers:
duration = rhythm_container._get_duration()
beam = spannertools.DuratedComplexBeam(
durations=[duration],
span_beam_count=1,
)
attach(beam, rhythm_container)
def _apply_beam_specifier(self, selections):
from abjad.tools import rhythmmakertools
beam_specifier = self.beam_specifier
if beam_specifier is None:
beam_specifier = rhythmmakertools.BeamSpecifier()
if beam_specifier.beam_divisions_together:
durations = []
for x in selections:
if isinstance(x, selectiontools.Selection):
duration = x.get_duration()
else:
duration = x._get_duration()
durations.append(duration)
beam = spannertools.DuratedComplexBeam(
durations=durations,
span_beam_count=1,
)
components = []
for x in selections:
if isinstance(x, selectiontools.Selection):
components.extend(x)
elif isinstance(x, scoretools.Tuplet):
components.append(x)
else:
raise TypeError(x)
attach(beam, components)
elif beam_specifier.beam_each_division:
for cell in selections:
beam = spannertools.MultipartBeam()
attach(beam, cell)
def _make_music(self, divisions, seeds):
from abjad.tools import rhythmmakertools
selections = []
for division in divisions:
assert isinstance(division, durationtools.Division), division
for division in divisions:
container = self._make_container(division)
selection = selectiontools.Selection(container)
selections.append(selection)
beam_specifier = self.beam_specifier
if not beam_specifier:
beam_specifier = rhythmmakertools.BeamSpecifier()
if beam_specifier.beam_divisions_together:
durations = []
for selection in selections:
duration = selection.get_duration()
durations.append(duration)
beam = spannertools.DuratedComplexBeam(
durations=durations,
span_beam_count=1,
nibs_towards_nonbeamable_components=False,
)
components = []
for selection in selections:
components.extend(selection)
attach(beam, components)
elif beam_specifier.beam_each_division:
for selection in selections:
beam = spannertools.MultipartBeam()
attach(beam, selection)
return selections
def _make_music(self, divisions, rotation):
selections = []
for division in divisions:
prototype = mathtools.NonreducedFraction
assert isinstance(division, prototype), division
for division in divisions:
container = self._make_container(division)
selection = selectiontools.Selection(container)
selections.append(selection)
beam_specifier = self._get_beam_specifier()
if beam_specifier.beam_divisions_together:
durations = []
for selection in selections:
duration = selection.get_duration()
durations.append(duration)
beam = spannertools.DuratedComplexBeam(
durations=durations,
span_beam_count=1,
nibs_towards_nonbeamable_components=False,
)
components = []
for selection in selections:
components.extend(selection)
leaves = select(components).by_leaf()
#attach(beam, components)
attach(beam, leaves)
elif beam_specifier.beam_each_division:
for selection in selections:
beam = spannertools.MultipartBeam()
leaves = select(selection).by_leaf()
#attach(beam, selection)
attach(beam, leaves)
return selections
def make_spanner_score_03(self):
r'''Make 200-note voice with durated complex beam spanner
on every 100 notes.
::
2.12 (r9710) initialization: 251,606 function calls
2.12 (r9724) initialization: 249,369 function calls
2.12 (r9703) LilyPond format: 509,752 function calls
2.12 (r9710) LilyPond format: 510,556 function calls
2.12 (r9724) LilyPond format: 525,463 function calls
'''
from abjad.tools import scoretools
from abjad.tools import sequencetools
from abjad.tools import spannertools
from abjad.tools import topleveltools
voice = scoretools.Voice(200 * scoretools.Note("c'16"))
for part in sequencetools.partition_sequence_by_counts(
voice[:],
[100],
cyclic=True,
):
beam = spannertools.DuratedComplexBeam()
topleveltools.attach(beam, part)
return voice
def make_spanner_score_02(self):
r'''Make 200-note voice with durated complex beam spanner
on every 20 notes.
::
2.12 (r9710) initialization: 250,954 function calls
2.12 (r9724) initialization: 248,717 function calls
2.12 (r9703) LilyPond format: 495,768 function calls
2.12 (r9710) LilyPond format: 496,572 function calls
2.12 (r9724) LilyPond format: 511,471 function calls
'''
from abjad.tools import scoretools
from abjad.tools import sequencetools
from abjad.tools import spannertools
from abjad.tools import topleveltools
voice = scoretools.Voice(200 * scoretools.Note("c'16"))
for part in sequencetools.partition_sequence_by_counts(
voice[:],
[20],
cyclic=True,
):
beam = spannertools.DuratedComplexBeam()
topleveltools.attach(beam, part)
return voice
def make_spanner_score_01(self):
r'''Make 200-note voice with durated complex beam spanner
on every 4 notes.
::
2.12 (r9710) initialization: 248,654 function calls
2.12 (r9724) initialization: 248,660 function calls
2.12 (r9703) LilyPond format: 425,848 function calls
2.12 (r9710) LilyPond format: 426,652 function calls
2.12 (r9724) LilyPond format: 441,884 function calls
'''
from abjad.tools import scoretools
from abjad.tools import sequencetools
from abjad.tools import spannertools
from abjad.tools import topleveltools
voice = scoretools.Voice(200 * scoretools.Note("c'16"))
for part in sequencetools.partition_sequence_by_counts(
voice[:],
[4],
cyclic=True,
):
beam = spannertools.DuratedComplexBeam()
topleveltools.attach(beam, part)
return voice
def _apply(self, selections):
if self.beam_divisions_together:
durations = []
for selection in selections:
if isinstance(selection, selectiontools.Selection):
duration = selection.get_duration()
else:
duration = selection._get_duration()
durations.append(duration)
beam = spannertools.DuratedComplexBeam(
durations=durations,
span_beam_count=1,
)
components = []
for selection in selections:
if isinstance(selection, selectiontools.Selection):
components.extend(selection)
elif isinstance(selection, scoretools.Tuplet):
components.append(selection)
else:
raise TypeError(selection)
if self.stemlet_length is not None:
grob_proxy = override(beam).staff.stem
grob_proxy.stemlet_length = self.stemlet_length
attach(beam, components)
elif self.beam_each_division:
for selection in selections:
beam = spannertools.MultipartBeam(beam_rests=self.beam_rests)
if self.stemlet_length is not None:
grob_proxy = override(beam).staff.stem
grob_proxy.stemlet_length = self.stemlet_length
attach(beam, selection)
def __call__(self, selections):
r'''Calls beam specifier on `selections`.
Returns none.
'''
if self.beam_divisions_together:
durations = []
for selection in selections:
if isinstance(selection, selectiontools.Selection):
duration = selection.get_duration()
else:
duration = selection._get_duration()
durations.append(duration)
beam = spannertools.DuratedComplexBeam(
durations=durations,
span_beam_count=1,
)
components = []
for selection in selections:
if isinstance(selection, selectiontools.Selection):
components.extend(selection)
elif isinstance(selection, scoretools.Tuplet):
components.append(selection)
else:
raise TypeError(selection)
if self.stemlet_length is not None:
grob_proxy = override(beam).staff.stem
grob_proxy.stemlet_length = self.stemlet_length
leaves = select(components).by_leaf()
#attach(beam, components)
attach(beam, leaves)
elif self.beam_each_division:
for selection in selections:
beam = spannertools.MultipartBeam(beam_rests=self.beam_rests)
if self.stemlet_length is not None:
grob_proxy = override(beam).staff.stem
grob_proxy.stemlet_length = self.stemlet_length
leaves = select(selection).by_leaf()
attach(beam, leaves)
