def test_union(self) -> None:
r0 = binr.Compound([2, 2, 1]) # 0 2 4 (5)
r1 = binr.Compound([2, 1, 2]) # 0 2 3 (5)
r2 = binr.Compound([2, 1, 1, 1])
r3 = binr.Compound([1, 2, 2]) # 0 1 3 (5)
r4 = binr.Compound([1, 1, 1, 1, 1])
self.assertEqual(r0.union(r1), r2)
self.assertEqual(r0.union(r3), r4)
def test_modulate(self) -> None:
r0 = binr.Compound([3, 2, 3, 2, 3, 2])
r1 = binr.Compound([2, 1, 1, 2])
r2 = binr.Compound([3, 1, 2])
expectation0 = binr.Compound([5, 3, 2, 5])
expectation1 = binr.Compound([8, 2, 5])
self.assertEqual(r0.modulate(r1), expectation0)
self.assertEqual(r0.modulate(r2), expectation1)
def test_real_stretch(self) -> None:
r0 = binr.Compound([2, 2, 1])
r1 = binr.Compound([4, 4, 2])
# showing difference between stretch and
# real_stretch method:
self.assertNotEqual(hash(r0.stretch(2)), hash(r1))
self.assertNotEqual(hash(r1.stretch(0.5)), hash(r0))
self.assertEqual(hash(r0.real_stretch(2)), hash(r1))
self.assertEqual(hash(r1.real_stretch(0.5)), hash(r0))
def test_set_item(self) -> None:
basic = [2, 1, 1, 3, 2]
c = binr.Compound(basic)
new_value = 0.5
c[1] = new_value
self.assertEqual(c.multiply, new_value)
self.assertEqual(c[1], new_value)
def detect_metricity_per_tone_per_voice(
voices: tuple, metricity_per_beat: tuple) -> tuple:
metricity_per_tone_per_voice = []
for vox in voices:
metricity_per_tone_per_voice.append(
tuple(metricity_per_beat[int(position)] for position in
binr.Compound(vox.delay).convert2absolute()))
return tuple(metricity_per_tone_per_voice)
def test_move_int(self) -> None:
basic = [2, 3]
c = binr.Compound(basic)
expected0 = [2, 2, 1]
expected1 = [2, 1, 2]
expected2 = [2, 1, 1, 1]
expected3 = [3, 1, 1]
expected4 = [3, 2]
self.assertEqual(c, c.move_int(0))
self.assertEqual(expected0, c.move_int(1))
self.assertEqual(expected1, c.move_int(2))
self.assertEqual(expected2, c.move_int(3))
self.assertEqual(expected3, c.move_int(-1))
self.assertEqual(expected4, c.move_int(-2))
def test_move_gc(self) -> None:
basic = [2, 3]
c = binr.Compound(basic)
expected0 = [2, 1, 2]
expected1 = [1, 1, 1, 2]
expected2 = [1, 2, 2]
expected3 = [1, 1, 3]
expected4 = [1, 4]
self.assertEqual(c, c.move_gc(0))
self.assertEqual(expected0, c.move_gc(1))
self.assertEqual(expected1, c.move_gc(2))
self.assertEqual(expected2, c.move_gc(3))
self.assertEqual(expected3, c.move_gc(-1))
self.assertEqual(expected4, c.move_gc(-2))
def make_counterpoint_result(self) -> tuple:
allowed_pitches_per_voice = self.find_allowed_pitches_per_voice()
self._organism = organisms.Organism(
self._action_per_voice,
self._sound_per_voice,
allowed_pitches_per_voice,
self._rhythms,
tools.scale(self._weight_per_beat, *self._weight_range),
predefined_voices=self._predefined_voices,
allow_unisono=self._allow_unisono,
allow_melodic_octaves=self._allow_melodic_octaves,
random_seed=self._random_seed,
harmonic_weight=self._harmonic_weight,
melodic_weight=self._melodic_weight,
)
converted_voices0 = []
converted_voices1 = []
for vox in tuple(self._organism):
converted = (tuple(vox.pitch), binr.Compound(vox.delay))
converted_voices0.append(converted + (tuple(True
for i in vox.delay), ))
converted_voices1.append(converted)
return tuple(converted_voices0), tuple(converted_voices1)
def rhythm_maker(self) -> tuple:
n_bars = self._n_bars
# for first attack every voice should have a theoretical attack
# (rests are explicitly controlled through the start_harmony argument)
distribution_for_first_attack_per_bar = ((0, 1, 2), )
distribution_for_first_attack_per_bar += tuple(
next(distribution_function_for_first_attack_per_bar)
for i in range(n_bars - 1))
rhythm_per_voice = []
max_attacks_per_bar = min(self._metrical_numbers)
for voice_idx, metrical_prime, density, curve in zip(
range(3), self._metrical_numbers, density_per_voice,
curve_per_voice):
rhythm = []
# if density between 0 and 1 understand as percentage
# for density 1 only understand it as percentage if type is
# float
if (density >= 0
and density < 1) or (density == 1
and type(density) is float):
n_attacks_per_bar = int(density * max_attacks_per_bar)
# else use it as an absolute number
else:
assert density <= max_attacks_per_bar
n_attacks_per_bar = int(density)
for (distribution_for_first_attack
) in distribution_for_first_attack_per_bar:
has_first_attack = voice_idx in distribution_for_first_attack
n_attacks = n_attacks_per_bar + has_first_attack
if rhythmic_function == "euclid":
current_rhythm = tools.euclid(metrical_prime,
n_attacks)
elif rhythmic_function == "barlow":
if metrical_prime == 10:
divided = (2, 5)
else:
divided = tuple(
prime_factors.factorise(metrical_prime))
ranking = indispensability.bar_indispensability2indices(
indispensability.indispensability_for_bar(divided))
choosen_attacks = sorted(ranking[:n_attacks])
current_rhythm = tuple(b - a for a, b in zip(
choosen_attacks, choosen_attacks[1:] +
[metrical_prime]))
else:
msg = "Unknown rhythmic function {}.".format(
rhythmic_function)
raise NotImplementedError(msg)
if not has_first_attack:
rhythm[-1] += current_rhythm[0]
current_rhythm = current_rhythm[1:]
rhythm.extend(current_rhythm)
rhythm_per_voice.append(binr.Compound(rhythm))
return tuple(rhythm_per_voice)
def test_init_functions(self) -> None:
basic = [8, 4, 7, 12, 8]
factor = fractions.Fraction(1, 4)
rhythm = [i * factor for i in basic]
c0 = binr.Compound(rhythm)
self.assertEqual(list(c0), rhythm)
c1 = binr.Compound.from_binary(bin(276019282048), multiply=factor)
self.assertEqual(list(c0), list(c1))
self.assertEqual(c0.multiply, c1.multiply)
c2 = binr.Compound.from_int(276019282048, factor)
self.assertEqual(list(c0), list(c2))
self.assertEqual(c0.multiply, c2.multiply)
c3 = binr.Compound.from_binary_rhythm(
(
1,
0,
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
1,
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
0,
0,
0,
0,
0,
0,
0,
),
factor,
)
self.assertEqual(list(c0), list(c3))
self.assertEqual(c0.multiply, c3.multiply)
# equality method tester
self.assertEqual(c0, c1)
self.assertEqual(c0, c2)
self.assertEqual(c0, c3)
self.assertEqual(c0, list(c1))
c4 = binr.Compound((1, 1, 1, 1))
self.assertNotEqual(c0, c4)
c5 = binr.Compound(tuple(c0.intr))
self.assertNotEqual(c0, c5)
def test_intersection(self) -> None:
r0 = binr.Compound([2, 2, 1]) # 0 2 4 (5)
r1 = binr.Compound([2, 1, 2]) # 0 2 3 (5)
r2 = binr.Compound([2, 3])
self.assertEqual(r0.intersection(r1), r2)
def test_get_item(self) -> None:
basic = [2, 1, 1, 3, 2]
c = binr.Compound(basic)
for idx, n in enumerate(basic):
self.assertEqual(c[idx], n)