def mk_harmonics_melodies(origin_melodies: tuple,
n_voices: int = 5,
max_harmonic: int = MAX_HARMONIC) -> tuple:
"""Make polyphonic movement of common (sub-)harmonics from the origin melodies.
The resulting tuple contains as many melodies as previously declared with the
n_voices argument.
The n_voices argument may be helpful for making sure not having too many
resulting voices what could happen when voices occasionally contain octaves
or primes.
"""
poly_per_interlocking = []
origin_melodies = tuple(m.discard_rests().tie() for m in origin_melodies)
for comb in itertools.combinations(origin_melodies, 2):
cadence = old.Polyphon(comb).chordify(add_longer=True)
harmonics_per_pitch = tuple(
functools.reduce(
operator.add,
tuple(
find_common_harmonics(
p[0], p[1], gender=gender, border=max_harmonic)
for gender in (True, False)),
) if len(p) == 2 else tuple([]) for p in tuple(
tuple(h) for h in cadence.pitch))
poly = [[old.Rest(chord.delay) for chord in cadence]
for n in range(n_voices)]
for h_idx, harmonics in enumerate(harmonics_per_pitch):
for p_idx, p in enumerate(harmonics[:n_voices]):
poly[p_idx][h_idx] = p.convert2tone(cadence.delay[h_idx])
poly = [old.Melody(melody) for melody in poly]
poly_per_interlocking.append(old.Polyphon(poly))
return tuple(poly_per_interlocking)
def test_find_exact_simultan_events(self):
poly2 = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3), old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 1), old.Tone(ji.r(4, 3), 2)]),
)
)
simultan_events4 = poly2.find_exact_simultan_events(0, 1)
simultan_events4_expected = (
old.Tone(ji.r(3, 2), 1, 1),
old.Tone(ji.r(3, 2), 2, 2),
old.Tone(ji.r(4, 3), 1, 1),
)
self.assertEqual(simultan_events4, simultan_events4_expected)
simultan_events0 = self.poly0.find_exact_simultan_events(0, 0)
self.assertEqual(simultan_events0, (self.poly0[1][0],))
simultan_events1 = self.poly0.find_exact_simultan_events(0, 0, False)
self.assertEqual(simultan_events1, (self.poly0[1].convert2absolute()[0],))
simultan_events2 = self.poly1.find_exact_simultan_events(1, 0)
simultan_events2_expected = (self.poly1[2][0], self.poly1[2][0])
self.assertEqual(simultan_events2, simultan_events2_expected)
simultan_events3 = self.poly1.find_exact_simultan_events(1, 1)
simultan_events3_expected = (self.t8, self.t7, self.t7, self.t7, self.t2)
self.assertEqual(simultan_events3, simultan_events3_expected)
def detect_intervals_and_duration_pairs_per_tone_per_voice(
voices: tuple) -> tuple:
voices = tuple(old.Melody(v) for v in voices)
interval_and_time_pairs_per_tone_per_voice = []
for v_idx, voice in enumerate(voices):
poly = old.Polyphon(v for v_idx1, v in enumerate(voices)
if v_idx1 != v_idx)
melody = voice.copy()
interval_and_time_pairs_per_tone = []
for tone in melody.convert2absolute():
start, stop = tone.delay, tone.duration
simultan_events = functools.reduce(
operator.add,
tuple(m[:] for m in poly.cut_up_by_time(start, stop)))
interval_and_time_pairs = []
for simultan_event in simultan_events:
if not simultan_event.pitch.is_empty:
interval = simultan_event.pitch - tone.pitch
interval_and_time_pairs.append(
(interval, simultan_event.duration))
interval_and_time_pairs_per_tone.append(
tuple(interval_and_time_pairs))
interval_and_time_pairs_per_tone_per_voice.append(
tuple(interval_and_time_pairs_per_tone))
return tuple(interval_and_time_pairs_per_tone_per_voice)
def test_cut_up_by_idx(self):
poly0 = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3), old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 1), old.Tone(ji.r(4, 3), 2)]),
)
)
poly0_cut = poly0.cut_up_by_idx(2, 1)
poly0_cut_expected = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 1), old.Tone(ji.r(1, 1), 1)]),
old.Melody([old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly0_cut, poly0_cut_expected)
def test_cut_up_by_time(self):
poly0 = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3), old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 1), old.Tone(ji.r(4, 3), 2)]),
)
)
poly0_cut = poly0.cut_up_by_time(1, 3)
poly0_cut_expected = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 1), old.Tone(ji.r(1, 1), 1)]),
old.Melody([old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly0_cut, poly0_cut_expected)
poly1_cut = poly0.cut_up_by_time(1, 3, add_earlier=False)
poly1_cut_expected = old.Polyphon(
(
old.Melody([old.Rest(1), old.Tone(ji.r(1, 1), 1)]),
old.Melody([old.Rest(2)]),
old.Melody([old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly1_cut, poly1_cut_expected)
poly2_cut = poly0.cut_up_by_time(1, 3, hard_cut=False)
poly2_cut_expected = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3)]),
old.Melody([old.Rest(1), old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly2_cut[2], poly2_cut_expected[2])
class PolyTest(unittest.TestCase):
p0 = ji.r(5, 4)
p1 = ji.r(3, 2)
p2 = ji.r(1, 1)
p3 = ji.r(6, 5)
p4 = ji.r(7, 4)
p5 = ji.r(9, 8)
t0 = old.Tone(p0, rhy.Unit(1))
t1 = old.Tone(p1, rhy.Unit(1))
t2 = old.Tone(p2, rhy.Unit(1))
t3 = old.Tone(p3, rhy.Unit(1))
t3 = old.Tone(p3, rhy.Unit(1))
t4 = old.Tone(p4, rhy.Unit(1))
t5 = old.Tone(p5, rhy.Unit(1))
t6 = old.Tone(p0, rhy.Unit(2))
t7 = old.Tone(p0, rhy.Unit(0.5))
t8 = old.Tone(p0, rhy.Unit(1.5))
t9 = old.Tone(p1, rhy.Unit(1.5))
t10 = old.Tone(p5, rhy.Unit(0.5))
t11 = old.Tone(p2, rhy.Unit(1))
melody0 = old.Melody((t0, t1))
melody1 = old.Melody((t2, t3))
melody2 = old.Melody((t6, t6, t0, t7)) # duration 5.5
melody3 = old.Melody((t7, t6, t2, t2)) # duration 4.5
melody4 = old.Melody((t7, t7, t7, t2, t2)) # duration 3.5
melody5 = old.Melody((t10, t9, t3, t8, t0)) # duration 5.5
melody6 = old.Melody((t6, t6, t2, t7)) # duration 5.5
poly0 = old.Polyphon([melody0, melody1])
poly1 = old.Polyphon([melody2, melody3, melody4])
poly2 = old.Polyphon([melody6, melody5])
def test_chordify(self):
chord0 = old.Chord(ji.JIHarmony([self.t0.pitch, self.t2.pitch]), rhy.Unit(1))
chord1 = old.Chord(ji.JIHarmony([self.t1.pitch, self.t3.pitch]), rhy.Unit(1))
cadence0 = old.Cadence([chord0, chord1])
self.assertEqual(cadence0, self.poly0.chordify())
chord0 = old.Chord(ji.JIHarmony([self.p0, self.p5]), rhy.Unit(0.5))
chord1 = old.Chord(ji.JIHarmony([self.p0, self.p1]), rhy.Unit(1.5))
chord2 = old.Chord(ji.JIHarmony([self.p0, self.p3]), rhy.Unit(1))
chord3 = old.Chord(ji.JIHarmony([self.p0]), rhy.Unit(1))
chord4 = old.Chord(ji.JIHarmony([self.p0, self.p2]), rhy.Unit(0.5))
chord5 = old.Chord(ji.JIHarmony([self.p0]), rhy.Unit(0.5))
expected = old.Cadence([chord0, chord1, chord2, chord3, chord4, chord4, chord5])
result = self.poly2.chordify(
harmony_class=ji.JIHarmony, cadence_class=old.Cadence, add_longer=True
)
for ex, re in zip(expected, result):
print(ex, re)
self.assertEqual(expected, result)
def test_find_simultan_events(self):
simultan_events0 = self.poly0.find_simultan_events(0, 0)
self.assertEqual(simultan_events0, (self.poly0[1].convert2absolute()[0],))
simultan_events1 = self.poly0.find_simultan_events(1, 1)
self.assertEqual(simultan_events1, (self.poly0[0].convert2absolute()[1],))
simultan_events2 = self.poly1.find_simultan_events(0, 1)
simultan_events2_comp = (
self.poly1[1].convert2absolute()[1],
self.poly1[1].convert2absolute()[2],
self.poly1[1].convert2absolute()[3],
self.poly1[2].convert2absolute()[-2],
self.poly1[2].convert2absolute()[-1],
)
self.assertEqual(simultan_events2, simultan_events2_comp)
simultan_events3 = self.poly1.find_simultan_events(1, 1)
simultan_events3_comp = (
self.poly1[0].convert2absolute()[0],
self.poly1[0].convert2absolute()[1],
self.poly1[2].convert2absolute()[1],
self.poly1[2].convert2absolute()[2],
self.poly1[2].convert2absolute()[3],
)
self.assertEqual(simultan_events3, simultan_events3_comp)
def test_find_exact_simultan_events(self):
poly2 = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3), old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 1), old.Tone(ji.r(4, 3), 2)]),
)
)
simultan_events4 = poly2.find_exact_simultan_events(0, 1)
simultan_events4_expected = (
old.Tone(ji.r(3, 2), 1, 1),
old.Tone(ji.r(3, 2), 2, 2),
old.Tone(ji.r(4, 3), 1, 1),
)
self.assertEqual(simultan_events4, simultan_events4_expected)
simultan_events0 = self.poly0.find_exact_simultan_events(0, 0)
self.assertEqual(simultan_events0, (self.poly0[1][0],))
simultan_events1 = self.poly0.find_exact_simultan_events(0, 0, False)
self.assertEqual(simultan_events1, (self.poly0[1].convert2absolute()[0],))
simultan_events2 = self.poly1.find_exact_simultan_events(1, 0)
simultan_events2_expected = (self.poly1[2][0], self.poly1[2][0])
self.assertEqual(simultan_events2, simultan_events2_expected)
simultan_events3 = self.poly1.find_exact_simultan_events(1, 1)
simultan_events3_expected = (self.t8, self.t7, self.t7, self.t7, self.t2)
self.assertEqual(simultan_events3, simultan_events3_expected)
def test_cut_up_by_time(self):
poly0 = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3), old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 1), old.Tone(ji.r(4, 3), 2)]),
)
)
poly0_cut = poly0.cut_up_by_time(1, 3)
poly0_cut_expected = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 1), old.Tone(ji.r(1, 1), 1)]),
old.Melody([old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly0_cut, poly0_cut_expected)
poly1_cut = poly0.cut_up_by_time(1, 3, add_earlier=False)
poly1_cut_expected = old.Polyphon(
(
old.Melody([old.Rest(1), old.Tone(ji.r(1, 1), 1)]),
old.Melody([old.Rest(2)]),
old.Melody([old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly1_cut, poly1_cut_expected)
poly2_cut = poly0.cut_up_by_time(1, 3, hard_cut=False)
poly2_cut_expected = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3)]),
old.Melody([old.Rest(1), old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly2_cut[2], poly2_cut_expected[2])
def test_cut_up_by_idx(self):
poly0 = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 2), old.Tone(ji.r(1, 1), 3)]),
old.Melody([old.Tone(ji.r(3, 2), 3), old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 1), old.Tone(ji.r(4, 3), 2)]),
)
)
poly0_cut = poly0.cut_up_by_idx(2, 1)
poly0_cut_expected = old.Polyphon(
(
old.Melody([old.Tone(ji.r(1, 1), 1), old.Tone(ji.r(1, 1), 1)]),
old.Melody([old.Tone(ji.r(3, 2), 2)]),
old.Melody([old.Tone(ji.r(4, 3), 2)]),
)
)
self.assertEqual(poly0_cut, poly0_cut_expected)
def convert2cadence(self, gender=True):
return old.Polyphon(self.convert2voices()).chordify()
def __init__(
self,
action_per_voice: tuple,
sound_per_voice: tuple,
allowed_pitches_per_voice: tuple,
allowed_attacks_per_voice: tuple,
weights_per_beat: tuple,
predefined_voices: tuple = tuple([]),
allow_unisono: bool = True,
allow_melodic_octaves: bool = False,
harmonic_weight: float = 2,
melodic_weight: float = 1,
random_seed: int = 1000,
harmonic_range: tuple = (0, 1),
melodic_range: tuple = (0, 1),
distance_range: tuple = (0, 1),
metrical_range: tuple = (0, 1),
) -> None:
self.test_arguments_for_equal_size(
"voice specific arguments",
(
action_per_voice,
sound_per_voice,
allowed_attacks_per_voice,
allowed_pitches_per_voice,
),
lambda data: len(data),
)
self.test_arguments_for_equal_size(
"allowed_attacks_per_voice",
allowed_attacks_per_voice + tuple(vox.delay for vox in predefined_voices),
lambda rhythm: sum(rhythm),
)
# set attributes
available_pitches = functools.reduce(operator.add, allowed_pitches_per_voice)
for vox in predefined_voices:
available_pitches += tuple(p for p in vox.pitch if not p.is_empty)
import random
random.seed(random_seed)
self._average_distance_per_voice = self._detect_average_distance_per_voice(
action_per_voice, allowed_attacks_per_voice
)
self._linspace_for_distance_likelihood = interpolations.Linear()(
0, 1, self._GRIDSIZE
)
self._duration = len(weights_per_beat)
self._melodic_weight = melodic_weight
self._harmonic_weight = harmonic_weight
self._predefined_voices = predefined_voices
self._predefined_polyphon = old.Polyphon(predefined_voices)
self._weights_per_beat = tools.scale(weights_per_beat, *metrical_range)
self._sound_per_voice = sound_per_voice
self._allowed_pitches_per_voice = allowed_pitches_per_voice
self._absolute_allowed_attacks_per_voice = tuple(
tuple(r.convert2absolute()) for r in allowed_attacks_per_voice
)
self._random_module = random
self._n_voices = len(sound_per_voice)
self._melodicity_dict_per_voice = self._detect_melodicity_dict_per_voice(
allowed_pitches_per_voice
)
self._harmonicity_dict = self._make_harmonicity_dict(available_pitches)
self._allow_melodic_octaves = allow_melodic_octaves
self._allow_unisono = allow_unisono
self._position_and_voices_pairs = self._detect_position_and_voices_pairs(
allowed_attacks_per_voice
)
super().__init__(self._make_voices())
