def test_ArtificialHarmonic_13():
harm = auxjad.ArtificialHarmonic(r"<g c'>4")
assert harm.written_pitches == abjad.PitchSegment(r"g c'")
harm.written_pitches = r"a d'"
assert harm.written_pitches == abjad.PitchSegment(r"a d'")
with pytest.raises(ValueError):
harm.written_pitches = r"a d' e'"
def test_PitchRandomiser_02():
container = abjad.Container(r"c'4 d'4 e'4 f'4")
randomiser = auxjad.PitchRandomiser(
container,
pitches=r"a b cs' ds' e'",
weights=[1.0, 2.0, 1.0, 1.5, 1.3],
omit_time_signatures=True,
process_on_first_call=True,
use_tenney_selector=True,
)
assert randomiser.pitches == abjad.PitchSegment(r"a b cs' ds' e'")
assert randomiser.weights == [1.0, 2.0, 1.0, 1.5, 1.3]
assert randomiser.omit_time_signatures
assert randomiser.process_on_first_call
assert randomiser.use_tenney_selector
randomiser.pitches = abjad.PitchSegment(r"c' d' e' f'")
randomiser.weights = [1, 2, 5, 8]
randomiser.omit_time_signatures = False
randomiser.process_on_first_call = False
randomiser.use_tenney_selector = False
assert randomiser.pitches == abjad.PitchSegment(r"c' d' e' f'")
assert randomiser.weights == [1, 2, 5, 8]
assert not randomiser.omit_time_signatures
assert not randomiser.process_on_first_call
assert not randomiser.use_tenney_selector
def test_ArtificialHarmonic_06():
harm = auxjad.ArtificialHarmonic(r"<g c'>4")
assert harm.written_pitches == abjad.PitchSegment(r"g c'")
assert harm.written_duration == 1 / 4
assert harm.style == "#'harmonic"
assert not harm.is_parenthesized
harm.written_pitches = [-5, 2]
harm.written_duration = abjad.Duration(1, 8)
harm.style = "#'harmonic-mixed"
harm.is_parenthesized = True
assert harm.written_pitches == abjad.PitchSegment(r"g d'")
assert harm.written_duration == 1 / 8
assert harm.style == "#'harmonic-mixed"
assert harm.is_parenthesized
def __init__(self, pitch_segment=None, ratio=None):
if pitch_segment is not None:
pitch_segment = abjad.PitchSegment(pitch_segment)
self._pitch_segment = pitch_segment
if ratio is not None:
ratio = abjad.Ratio(ratio)
self._ratio = ratio
def voice_scale_degrees_in_open_position(self, scale_degrees):
r'''Voices `scale_degrees` in open position.
.. container:: example
>>> scale = abjad.tonalanalysistools.Scale(('c', 'major'))
>>> scale_degrees = [1, 3, 'b5', 7, '#9']
>>> segment = scale.voice_scale_degrees_in_open_position(
... scale_degrees)
>>> segment
PitchSegment("c' e' gf' b' ds''")
Return pitch segment.
'''
import abjad
from abjad.tools import tonalanalysistools
scale_degrees = [
tonalanalysistools.ScaleDegree(x) for x in scale_degrees
]
pitch_classes = [
self.scale_degree_to_named_pitch_class(x) for x in scale_degrees
]
pitches = [abjad.NamedPitch(pitch_classes[0])]
for pitch_class in pitch_classes[1:]:
pitch = abjad.NamedPitch(pitch_class)
while pitch < pitches[-1]:
pitch += 12
pitches.append(pitch)
pitches = abjad.PitchSegment(pitches)
return pitches
def __init__(self, pitch_segment=None, sequence=None):
self._pitch_segment = pitch_segment or abjad.PitchSegment()
self._sequence = sequence or tuple()
self._reorder_segment()
self._make_ascent()
self._set_arp_pitches()
self._set_arp_strings()
def test_virtual_fundamental_10():
pitches = abjad.PitchSegment(r"c'' cs'' d'' ef'' e'' fs''")
with pytest.raises(ValueError):
auxjad.get.virtual_fundamental(
pitches,
min_fundamental=abjad.NamedPitch(r"c'"),
)
def test_virtual_fundamental_09():
pitches = abjad.PitchSegment(r"c'' cs'' d'' ef'' e'' fs''")
fundamental = auxjad.get.virtual_fundamental(
pitches,
min_fundamental=abjad.NumberedPitch(-48),
)
assert fundamental == abjad.NamedPitch(r"d,,")
def _reorder_segment(self):
"""Sets a reordered segment according to sequence"""
pitches = []
for i in range(len(self._sequence)):
seq_val = self._sequence[i]
pitches.append(self._pitch_segment[seq_val])
self._reordered_segment = abjad.PitchSegment(pitches)
print("Reordered pitches: ", self._reordered_segment)
def add_pitches(self, score):
pitches = abjad.PitchSegment("g b d' f'")
logical_ties = abjad.select(score).logical_ties(pitched=True)
for i, logical_tie in enumerate(logical_ties):
index = i % len(pitches)
pitch = pitches[index]
for note in logical_tie:
note.written_pitch = pitch
return score
def written_pitches(
self,
written_pitches,
) -> None:
written_pitches_ = abjad.PitchSegment(written_pitches)
if len(written_pitches_) != 2:
raise ValueError("'ArtificialHarmonic' requires exactly two "
"pitches")
for index, pitch in enumerate(written_pitches_):
self._note_heads[index].written_pitch = pitch
def test_PitchRandomiser_10():
container = abjad.Container(r"c'8 d'8 e'8 f'8 g'8 a'8 b'8 c'8")
pitches = r"fs' gs' a' b'"
randomiser = auxjad.PitchRandomiser(container,
pitches,
weights=[100.0, 1.0, 1.0, 1.0],
)
randomiser.pitches = r"c'' d'' e'' f''"
assert randomiser.pitches == abjad.PitchSegment(r"c'' d'' e'' f''")
assert randomiser.weights == [100.0, 1.0, 1.0, 1.0]
def find_pitches(self, abjad_pitch: abjad.NamedPitch) -> None:
from mutools import lily
basic_pitch = abjad.NamedPitch(
lily.round_scale_index_to_12th_tone(
float(abjad_pitch) - self.ground_interval))
harmonic_pitch = abjad.NamedPitch(
lily.round_scale_index_to_12th_tone(
float(basic_pitch) + self.harmonic_interval))
return abjad.PitchSegment([basic_pitch, harmonic_pitch])
def __call__(self, argument):
"""
Calls retrograde on `argument`.
.. container:: example
Gets retrograde pitch classes:
>>> retrograde = abjad.Retrograde()
>>> segment = abjad.PitchClassSegment([0, 1, 4, 7])
>>> retrograde(segment)
PitchClassSegment([7, 4, 1, 0])
.. container:: example
Does not retrograde single pitches or pitch-classes:
>>> retrogresion = abjad.Retrograde()
>>> pitch_class = abjad.NumberedPitchClass(6)
>>> retrograde(pitch_class)
NumberedPitchClass(6)
.. container:: example
Periodic retrograde:
.. todo:: Deprecated.
>>> retrograde = abjad.Retrograde(period=3)
>>> segment = abjad.PitchSegment("c' d' e' f' g' a' b' c''")
>>> retrograde(segment)
PitchSegment("e' d' c' a' g' f' c'' b'")
Returns new object with type equal to that of `argument`.
"""
import abjad
if isinstance(argument, (abjad.Pitch, abjad.PitchClass)):
return argument
if not isinstance(argument, (
abjad.PitchSegment,
abjad.PitchClassSegment,
)):
argument = abjad.PitchSegment(argument)
if not self.period:
return type(argument)(reversed(argument))
result = abjad.new(argument, items=())
for shard in abjad.sequence(argument).partition_by_counts(
[self.period],
cyclic=True,
overhang=True,
):
shard = type(argument)(shard)
shard = type(argument)(reversed(shard))
result = result + shard
return result
def test_new_02():
old_aggregate = Aggregate(pitch_segment=abjad.PitchSegment('c d e f'),
ratio=abjad.Ratio([1, 2, 3]))
assert format(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((1, 2, 3)),
)
""")
new_aggregate = abjad.new(
old_aggregate,
ratio=(4, 5),
)
assert new_aggregate is not old_aggregate
assert new_aggregate != old_aggregate
assert format(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((1, 2, 3)),
)
""")
assert format(new_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((4, 5)),
)
""")
def test_new_01():
old_aggregate = Aggregate(
pitch_segment=abjad.PitchSegment("c d e f"),
ratio=abjad.Ratio([1, 2, 3]),
)
assert abjad.storage(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((1, 2, 3)),
)
""")
new_aggregate = abjad.new(old_aggregate)
assert new_aggregate is not old_aggregate
assert new_aggregate == old_aggregate
assert abjad.storage(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((1, 2, 3)),
)
""")
assert abjad.storage(new_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((1, 2, 3)),
)
""")
def _get_artifical_harmonic_pitches(pitch: ji.JIPitch) -> tuple:
ground_pitch = lily.convert2abjad_pitch(pitch, globals_.RATIO2PITCHCLASS)
(
harmonic_pitch_class,
harmonic_octave_difference,
) = globals_.RATIO2ARTIFICAL_HARMONIC_PITCHCLASS_AND_ARTIFICIAL_HARMONIC_OCTAVE[
pitch.register(0)]
harmonic_pitch_octave = ground_pitch.octave.number + harmonic_octave_difference
harmonic_pitch = abjad.NamedPitch(name=harmonic_pitch_class,
octave=harmonic_pitch_octave)
return abjad.PitchSegment(sorted([ground_pitch, harmonic_pitch]))
def test_new_03():
old_aggregate = Aggregate(pitch_segment=abjad.PitchSegment('c d e f'), )
assert format(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
)
""")
new_aggregate = abjad.new(
old_aggregate,
pitch_segment='af bf df',
ratio=(5, 4),
)
assert new_aggregate is not old_aggregate
assert new_aggregate != old_aggregate
assert format(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
)
""")
assert format(new_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('af'),
abjad.NamedPitch('bf'),
abjad.NamedPitch('df'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((5, 4)),
)
""")
def test_new_05():
old_aggregate = Aggregate(pitch_segment=abjad.PitchSegment("c d e f"))
assert abjad.storage(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
)
""")
new_aggregate = abjad.new(old_aggregate,
ratio=[4, 5],
pitch_segment__rotate=2)
assert new_aggregate is not old_aggregate
assert new_aggregate != old_aggregate
assert abjad.storage(old_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
),
item_class=abjad.NamedPitch,
),
)
""")
assert abjad.storage(new_aggregate) == abjad.String.normalize(r"""
test_new.Aggregate(
pitch_segment=abjad.PitchSegment(
(
abjad.NamedPitch('e'),
abjad.NamedPitch('f'),
abjad.NamedPitch('c'),
abjad.NamedPitch('d'),
),
item_class=abjad.NamedPitch,
),
ratio=abjad.Ratio((4, 5)),
)
""")
def guitar_bitones_test():
print(
"Running guitar bitones test using ``muda.Material.guitar_bitones()`` method."
)
timespans = muda.alternating_timespans([[1, 1], [1, 1], [1, 1]], 4,
["matA", "matB"])
durations = timespans.annotated_durations(subdivision=(2, 4))
makers = {
"matA": rmakers.stack(rmakers.note()),
"matB": rmakers.stack(rmakers.note())
}
mat = muda.Material("A")
mat.alternating_materials(durations, makers)
pitches = {
"matA": abjad.PitchSegment("fs'"),
"matB": abjad.PitchSegment("ds'"),
}
pitched_leaves = lambda _: abjad.select.leaves(_)
mat.write_pitches_by_name(pitches)
mat.attach(abjad.StringNumber([2]), pitched_leaves, "matA")
mat.attach(abjad.StringNumber([3]), pitched_leaves, "matB")
mat.guitar_bitones(pitched_leaves, "matA", hammering=True)
mat.print()
def material_test():
print(
"Running material test using ``muda.Material()`` class and its methods."
)
timespans = muda.alternating_timespans([[1, 1], [1, 1], [1, 1]], 2,
["matA", "matB"])
durations = timespans.annotated_durations(subdivision=(2, 4))
makers = {
"matA":
rmakers.stack(rmakers.talea([-1, 2, -1], 16),
rmakers.extract_trivial()),
"matB":
rmakers.stack(rmakers.talea([1, 1, 1, 1], 16),
rmakers.extract_trivial()),
}
mat = muda.Material("A")
mat.alternating_materials(durations, makers)
pitches = {
"matA": abjad.PitchSegment("fs'"),
"matB": abjad.PitchSegment("ds'"),
}
mat.write_pitches_by_name(pitches)
mat.material_name_markups(["matA", "matB"])
def invert_down(segment, inversion):
"""
inverts a chord downwards
assumes segment is within octave range
returns new pitch segment
Warning: no sanity check on transposition at the moment
i.e. you can invert -433 times and still generate strings
that represent pitches
"""
if inversion > 0:
print("Inversion needs to be a negative int")
interval = -12
new_segment = segment
print("Initial segment: ", new_segment)
for i in range(abs(inversion)):
print("nwseg at top: ", new_segment)
segment = new_segment
highest_note = get_global_maxima(
segment) #call global_minima to find lowest note
print("top note: ", highest_note)
set_ = abjad.PitchSet(
items=[highest_note.name],
item_class=abjad.NamedPitch,
)
transposed_set = set_.transpose(
interval) #transposed note is lowest note.tranpose("+P8")
print("transposed note: ", transposed_set)
transposed_pitch = None
for i in transposed_set:
transposed_pitch = abjad.NamedPitch(i) # initialize as named pitch
print("items: ", i)
print("transposed_pitch: ", transposed_pitch)
new_pitches = []
segment_len = len(segment)
section = range(0, segment_len - 1) # trim lowest note
new_pitches.append(transposed_pitch) # append transposed
for i in section:
new_pitches.append(segment[i])
print(new_pitches)
print("list of new pitches: ", new_pitches)
new_segment = abjad.PitchSegment(new_pitches) # make new segment
print("nwseg: ", new_segment)
return new_segment
def pitches(
self,
pitches: Union[list[Union[int, float, str, abjad.Pitch]],
tuple[Union[int, float, str,
abjad.Pitch]], str, abjad.PitchSegment, ],
) -> None:
if not isinstance(pitches, (list, tuple, str, abjad.PitchSegment)):
raise TypeError("'pitches' must be 'list', 'tuple', 'str', or "
"'abjad.PitchSegment'")
if isinstance(pitches, (list, tuple, str)):
self._pitches = abjad.PitchSegment(pitches)
else:
self._pitches = pitches
pitch_list = [pitch for pitch in self._pitches]
self._tenney_selector = TenneySelector(pitch_list)
if self._weights is not None:
if len(pitch_list) != len(self._weights):
self.weights = None
def written_pitches(self):
"""
Written pitches in chord.
.. container:: example
Get written pitches:
>>> chord = abjad.Chord("<g' c'' e''>4")
>>> abjad.show(chord) # doctest: +SKIP
>>> chord.written_pitches
PitchSegment("g' c'' e''")
.. container:: example
Set written pitches with pitch names:
>>> chord = abjad.Chord("<e' g' c''>4")
>>> abjad.show(chord) # doctest: +SKIP
>>> chord.written_pitches = "f' b' d''"
>>> abjad.show(chord) # doctest: +SKIP
.. docs::
>>> abjad.f(chord)
<f' b' d''>4
>>> chord.written_pitches
PitchSegment("f' b' d''")
Set written pitches with any iterable.
Returns tuple.
"""
import abjad
return abjad.PitchSegment(
items=(note_head.written_pitch for note_head in self.note_heads),
item_class=abjad.NamedPitch,
)
def invert_up(segment, inversion):
"""
inverts a chord upwards
assumes segment is within octave range
returns new pitch segment
Warning: no sanity check on transposition at the moment
i.e. you can invert 433 times and still generate strings
that represent pitches
"""
interval = 12
new_segment = segment
if inversion < 0:
print("Inversion needs to be a positive int")
for i in range(inversion):
segment = new_segment
lowest_note = get_global_minima(
segment) #call global_minima to find lowest note
set_ = abjad.PitchSet(
items=[lowest_note.name],
item_class=abjad.NamedPitch,
)
transposed_set = set_.transpose(
interval) #transposed note is lowest note.tranpose("+P8")
transposed_pitch = None
for i in transposed_set:
transposed_pitch = abjad.NamedPitch(i)
new_pitches = []
segment_len = len(segment)
section = range(1, segment_len) # trim lowest note
for i in section:
new_pitches.append(segment[i])
new_pitches.append(transposed_pitch) # append transposed
new_segment = abjad.PitchSegment(new_pitches) # make new segment
return new_segment
import abjad
import abjadext.rmakers
staff = abjad.Staff(
segment = (
abjad.PitchSegment(
[
"e'",
"ef'",
"c'"
"cs'"
]
)
)
rhs = [(1, 4), (3, 8), (2, 4), (1, 8)]
rhythms = [abjad.Duration(x) for x in rhs]
zip(pitches, abjad.select(rhythms).logical_ties(pitched=True):
for leaf in tie:
leaf.written_pitch = pitch)
)
abjad.f(staff)
def __call__(self, argument):
"""
Calls rotation on `argument`.
.. container:: example
Rotates pitch classes:
>>> rotation = abjad.Rotation(n=1)
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7])
>>> rotation(pitch_classes)
PitchClassSegment([7, 0, 1, 4])
.. container:: example
Rotates pitch classes with Stravinsky-style back-transposition to
zero:
>>> rotation = abjad.Rotation(n=1, stravinsky=True)
>>> pitch_classes = abjad.PitchClassSegment([0, 1, 4, 7])
>>> rotation(pitch_classes)
PitchClassSegment([0, 5, 6, 9])
.. container:: example
Does not rotate single pitches or pitch-classes:
>>> rotation = abjad.Rotation(n=1)
>>> pitch_class = abjad.NumberedPitchClass(6)
>>> rotation(pitch_class)
NumberedPitchClass(6)
.. container:: example
Periodic rotation:
.. todo:: Deprecated.
>>> rotation = abjad.Rotation(n=1, period=3)
>>> pitches = abjad.PitchSegment("c' d' e' f' g' a' b' c''")
>>> rotation(pitches)
PitchSegment("e' c' d' a' f' g' c'' b'")
.. container:: example
Stravinsky-style periodic rotation:
.. todo:: Deprecated.
>>> rotation = abjad.Rotation(
... n=1,
... period=3,
... stravinsky=True,
... )
>>> pitches = abjad.PitchSegment("c' d' e' f' g' a' b' c''")
>>> rotation(pitches)
PitchSegment("c' af bf f' df' ef' b' as'")
Returns new object with type equal to that of `argument`.
"""
import abjad
if isinstance(argument, (abjad.Pitch, abjad.PitchClass)):
return argument
if not isinstance(argument, (
abjad.PitchSegment,
abjad.PitchClassSegment,
)):
argument = abjad.PitchSegment(argument)
if not self.period:
return argument.rotate(self.n, stravinsky=self.stravinsky)
result = abjad.new(argument, items=())
for shard in abjad.sequence(argument).partition_by_counts(
[self.period],
cyclic=True,
overhang=True,
):
shard = type(argument)(shard)
shard = shard.rotate(self.n, stravinsky=self.stravinsky)
result = result + shard
return result
import abjad
chord_01 = abjad.PitchSegment("af'' g'' fs'' " + "f'' d'' cs'' " +
"b'' af'' g'' " + "e'' c'' g'' " +
"fs'' cs'' gs''")
chord_02 = abjad.PitchSegment("af'' g'' fs'' " + "f'' d'' cs'' " +
"b'' af'' g'' " + "e'' c'' g'' " +
"fs'' cs'' gs''")
pitch_list_01 = [
chord_01, chord_02, chord_01, chord_02, chord_01, chord_02, chord_01
]
def test_virtual_fundamental_11():
pitches = abjad.PitchSegment(r"c'' g''")
fundamental = abjad.get.virtual_fundamental(pitches)
assert fundamental == abjad.NamedPitch(r"c'")
def test_virtual_fundamental_04():
pitches = abjad.PitchSegment(r"c'' d'' ef'' fs''")
fundamental = auxjad.get.virtual_fundamental(pitches)
assert fundamental == abjad.NamedPitch(r"bf,,")