def test_sieves_00():
sieve = abjad.Pattern(indices=[0, 1], period=12)
origin = 1
low = -2
high = 3
pitches = pang.gen_pitches_from_sieve(sieve, origin, low, high)
assert pitches == [1, 2]
def make_basic_rhythm(self, time_signature_pairs):
beam_specifier = rmakers.BeamSpecifier(
beam_divisions_together=self.beams,
beam_each_division=self.beams,
beam_rests=self.beams,
)
division_masks = rmakers.SilenceMask(
pattern = abjad.Pattern(
indices=self.mask_indices,
period=self.mask_period)
)
# division_masks = [silence_every([mask_indicies], period=mask_period),]
tuplet_specifier = rmakers.TupletSpecifier(
extract_trivial=True,
)
tuplet_rhythm_maker = rmakers.TupletRhythmMaker(
tuplet_ratios=self.tuplet_ratio,
beam_specifier=beam_specifier,
division_masks=division_masks,
# preferred_denominator=None
# ...equiv of this...I think it is duration specifier
# but since pretty much everything defaults to None...its okay?
tuplet_specifier=tuplet_specifier,
#tag=self.tag,
)
selections = tuplet_rhythm_maker(time_signature_pairs)
music = abjad.Staff(selections)
music = self._apply_pitches(music)
return music
def test_sieves_01():
sieve = abjad.Pattern(indices=[0, 1, 7], period=12)
origin = 6
low = -12
high = 11
pitches = pang.gen_pitches_from_sieve(sieve, origin, low, high)
assert pitches == [-11, -6, -5, 1, 6, 7]
def test_rhythmmakertools_Pattern_matches_index_06():
mask = abjad.Pattern(
indices=[-2, -1],
period=4,
)
length = 4
assert not mask.matches_index(0, length)
assert not mask.matches_index(1, length)
assert mask.matches_index(2, length)
assert mask.matches_index(3, length)
assert not mask.matches_index(4, length)
assert not mask.matches_index(5, length)
assert mask.matches_index(6, length)
assert mask.matches_index(7, length)
def test_rhythmmakertools_Pattern_matches_index_04():
mask = abjad.Pattern(
indices=[0, 1, 2, 3, 4, 5, 6, 7],
period=None,
)
length = 2
assert mask.matches_index(0, length)
assert mask.matches_index(1, length)
assert not mask.matches_index(2, length)
assert not mask.matches_index(3, length)
assert not mask.matches_index(4, length)
assert not mask.matches_index(5, length)
assert not mask.matches_index(6, length)
assert not mask.matches_index(7, length)
def make_basic_rhythm(self, time_signature_pairs):
beam_specifier = rmakers.BeamSpecifier(
beam_divisions_together=self.beams,
beam_each_division=self.beams,
beam_rests=self.beams,
)
division_masks = rmakers.SilenceMask(pattern=abjad.Pattern(
indices=self.mask_indices, period=self.mask_period))
note_rhythm_maker = rmakers.NoteRhythmMaker(
beam_specifier=beam_specifier,
division_masks=division_masks,
#tag=self.tag,
)
selections = note_rhythm_maker(time_signature_pairs)
music = abjad.Staff(selections)
music = self._apply_pitches(music)
return music
def make_basic_rhythm(self, durations):
talea = rmakers.Talea(
counts = self.counts,
denominator=self.denominator,
)
beam_specifier = rmakers.BeamSpecifier(
beam_divisions_together=self.beams,
beam_each_division=self.beams,
beam_rests=self.beams,
)
# burnish_specifier=abjadext.rmakers.BurnishSpecifier(
# left_classes=[abjad.Rest],
# left_counts=[1, 0, 1],
# )
if self.mask_indices or self.mask_period == None:
division_masks = None
else:
division_masks = rmakers.SilenceMask(
pattern = abjad.Pattern(
indices=self.mask_indices,
period=self.mask_period,
)
)
tuplet_specifier = rmakers.TupletSpecifier(
trivialize=True,
extract_trivial=True,
rewrite_rest_filled=True,
)
talea_rhythm_maker = rmakers.TaleaRhythmMaker(
talea=talea,
beam_specifier=beam_specifier,
extra_counts_per_division=self.extra_counts_per_division,
division_masks=division_masks,
tuplet_specifier=tuplet_specifier,
burnish_specifier=self.burnish_specifier
#tag=self.tag,
)
selections = talea_rhythm_maker(durations)
music = self._apply_pitches(selections)
return music
def make_basic_rhythm(self, time_signature_pairs):
beam_specifier = rmakers.BeamSpecifier(
beam_divisions_together=self.beams,
beam_each_division=self.beams,
beam_rests=self.beams,
)
division_masks = rmakers.SilenceMask(pattern=abjad.Pattern(
indices=self.mask_indices,
period=self.mask_period,
), )
tuplet_specifier = rmakers.TupletSpecifier(extract_trivial=True, )
even_division_rhythm_maker = rmakers.EvenDivisionRhythmMaker(
denominators=self.denominators,
beam_specifier=beam_specifier,
extra_counts_per_division=self.extra_counts_per_division,
division_masks=division_masks,
tuplet_specifier=tuplet_specifier,
#tag=self.tag,
)
selections = even_division_rhythm_maker(time_signature_pairs)
music = abjad.Staff(selections)
music = self._apply_pitches(music)
return music
def __call__(self, argument):
"""
Calls rotation on `argument`.
.. container:: example
Duplicates once without period:
>>> operator_ = abjad.Duplication(counts=1)
>>> numbers = [1, 2, 3, 4]
>>> operator_(numbers)
[1, 2, 3, 4, 1, 2, 3, 4]
.. container:: example
Duplicates twice without period:
>>> operator_ = abjad.Duplication(counts=2)
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7])
>>> operator_(pitch_classes)
PitchClassSegment([0, 1, 4, 7, 0, 1, 4, 7, 0, 1, 4, 7])
.. container:: example
Duplicates periodically:
>>> operator_ = abjad.Duplication(counts=1, period=3)
>>> pitches = abjad.PitchSegment("c' d' e' f' g' a' b' c''")
>>> for pitch in operator_(pitches):
... pitch
...
NamedPitch("c'")
NamedPitch("d'")
NamedPitch("e'")
NamedPitch("c'")
NamedPitch("d'")
NamedPitch("e'")
NamedPitch("f'")
NamedPitch("g'")
NamedPitch("a'")
NamedPitch("f'")
NamedPitch("g'")
NamedPitch("a'")
NamedPitch("b'")
NamedPitch("c''")
NamedPitch("b'")
NamedPitch("c''")
.. container:: example
Duplicate indices:
>>> operator_ = abjad.Duplication(
... counts=1,
... indices=(0, -1),
... )
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7])
>>> operator_(pitch_classes)
PitchClassSegment([0, 0, 1, 4, 7, 7])
.. container:: example
Duplicate indices periodically:
>>> operator_ = abjad.Duplication(
... counts=1,
... indices=(0,),
... period=2,
... )
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7, 9])
>>> operator_(pitch_classes)
PitchClassSegment([0, 0, 1, 4, 4, 7, 9, 9])
.. container:: example
Duplicate indices periodically with different counts:
>>> operator_ = abjad.Duplication(
... counts=(1, 2),
... indices=(0,),
... period=2,
... )
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7, 9])
>>> operator_(pitch_classes)
PitchClassSegment([0, 0, 1, 4, 4, 4, 7, 9, 9])
.. container:: example
Cyclic counts:
>>> operator_ = abjad.Duplication(counts=(0, 1, 2, 3))
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7, 9])
>>> operator_(pitch_classes)
PitchClassSegment([0, 1, 1, 4, 4, 4, 7, 7, 7, 7, 9])
Returns new object with type equal to that of `argument`.
"""
import abjad
if not isinstance(argument, collections.Sequence):
argument = (argument, )
counts = self.counts
if isinstance(counts, int):
counts = counts + 1
else:
counts = [_ + 1 for _ in counts]
if not self.period and not self.indices:
if isinstance(counts, int):
return type(argument)(argument * counts)
else:
counts = CyclicTuple(counts)
result = []
for i, x in enumerate(argument):
count = counts[i]
result.extend([x] * count)
if isinstance(argument, abjad.TypedCollection):
result = abjad.new(argument, items=result)
else:
result = type(argument)(result)
return result
if isinstance(counts, int):
counts = [counts]
counts = CyclicTuple(counts)
if not self.indices:
if isinstance(argument, abjad.TypedCollection):
result = abjad.new(argument, items=())
else:
result = type(argument)()
iterator = abjad.sequence(argument).partition_by_counts(
[self.period],
cyclic=True,
overhang=True,
)
for i, shard in enumerate(iterator):
shard = type(argument)(shard) * counts[i]
result = result + shard
return result
pattern = abjad.Pattern(
indices=self.indices,
period=self.period,
)
result = []
length = len(argument)
j = 0
for i, x in enumerate(argument):
if pattern.matches_index(i, length):
count = counts[j]
result.extend([x] * count)
j += 1
else:
result.append(x)
if isinstance(argument, abjad.TypedCollection):
result = abjad.new(argument, items=result)
else:
result = type(argument)(result)
return result
# -*- coding: utf-8 -*-
import abjad
tie_vectors = [
None, None, None, True, True, True,
abjad.Pattern([0], period=2)
]
# -*- coding: utf-8 -*-
from surge.materials.segment_ii.rest_indices import rest_indices_by_group
import abjad
non_rest_indices_stage_3 = abjad.Pattern(
indices=[0, 4, 6, 9, 12, 22],
period=35,
inverted=True
)
rest_indices_stage_3 = []
for i in range(35):
if non_rest_indices_stage_3.matches_index(i, 35):
rest_indices_stage_3.append(i)
rest_indices = [
None,
None,
rest_indices_stage_3,
None,
rest_indices_by_group['a'][4],
rest_indices_by_group['h'][5],
None,
]
def coerce_(argument):
if hasattr(argument, 'pattern'):
pass
elif not isinstance(argument, abjad.Pattern):
argument = abjad.Pattern(*argument)
return argument
# -*- coding: utf-8 -*-
from surge.materials.segment_ii.rest_indices import rest_indices_by_group
import abjad
non_rest_indices_stage_3 = abjad.Pattern(indices=[2, 5, 16, 26],
period=35,
inverted=True)
rest_indices_stage_3 = []
for i in range(35):
if non_rest_indices_stage_3.matches_index(i, 35):
rest_indices_stage_3.append(i)
rest_indices = [
None,
None,
rest_indices_stage_3,
None,
rest_indices_by_group['c'][4],
rest_indices_by_group['f'][5],
None,
]
# -*- coding: utf-8 -*-
from surge.materials.segment_ii.rest_indices import rest_indices_by_group
import abjad
non_rest_indices_stage_3 = abjad.Pattern(indices=[1, 8, 13, 18, 29],
period=35,
inverted=True)
rest_indices_stage_3 = []
for i in range(35):
if non_rest_indices_stage_3.matches_index(i, 35):
rest_indices_stage_3.append(i)
rest_indices = [
None,
None,
rest_indices_stage_3,
None,
rest_indices_by_group['b'][4],
rest_indices_by_group['g'][5],
None,
]
# ###
#
# pattern = abjad.Pattern(
# indices=[0, 1, 7],
# payload='Allegro non troppo',
# period=8,
# )
# total_length = 10
# for index in range(10):
# match = pattern.matches_index(index, total_length)
# if match:
# payload = pattern.payload
# else:
# payload = ''
# print(index, repr(payload))
# ##
pattern = abjad.Pattern(indices=[2, 3, 6],
payload="Allegro non troppo",
period=8)
total_length = 10
for index in range(10):
match = pattern.matches_index(index, total_length)
if match:
payload = pattern.payload
else:
payload = ""
print(index, repr(payload))
