def test_1(self):
proportions = (1, 3, 1, 5, 1)
breakpoints = (1, Fraction(1, 7), 1)
quarter_durations = [8, 12]
breathe = Breathe(proportions=proportions, breakpoints=breakpoints, quarter_duration=sum(quarter_durations),
quantize=1)
breathe.midi_generator = ValueGenerator(cycle([71]))
test_chord_field = ChordField(duration_generator=breathe.duration_generator.__deepcopy__())
for i in range(len(quarter_durations)):
quarter_duration = quarter_durations[i]
midi = 60 + i
test_chord_field.add_child(
ChordField(midi_generator=ValueGenerator(cycle([midi])), long_ending_mode='self_extend',
short_ending_mode='self_shrink', quarter_duration=quarter_duration))
test_chord_field_2 = ChordField(duration_generator=breathe.duration_generator.__deepcopy__())
for i in range(len(quarter_durations)):
quarter_duration = quarter_durations[i]
midi = 72 + i
test_chord_field_2.add_child(
ChordField(midi_generator=ValueGenerator(cycle([midi])), long_ending_mode='cut',
short_ending_mode='add_rest', quarter_duration=quarter_duration))
breathe.simple_format.to_stream_voice().add_to_score(score=self.score, part_number=1)
test_chord_field.simple_format.to_stream_voice().add_to_score(score=self.score, part_number=2)
simple_format = SimpleFormat()
for child in test_chord_field_2.children:
simple_format.extend(child.simple_format)
simple_format.to_stream_voice().add_to_score(score=self.score, part_number=3)
xml_path = path + '_test_1.xml'
self.score.write(xml_path)
self.assertCompareFiles(xml_path)
def test_4(self):
# fields: midi_generators, first one with ending_mode 'post'
# group: duration_generator with __next__ (Arithmetic Progression)
cfg = ChordField(
duration_generator=ValueGenerator(ArithmeticProgression(a1=0.3, an=1.5, correct_s=True))
)
cf_1 = ChordField(quarter_duration=3,
midi_generator=ValueGenerator(cycle([60, 61, 64, 66])),
long_ending_mode='self_extend'
)
cf_2 = ChordField(quarter_duration=6,
midi_generator=ValueGenerator(cycle([72, 73, 74, 73, 72])),
short_ending_mode='add_rest',
)
cfg.add_child(cf_1)
cfg.add_child(cf_2)
sf = SimpleFormat()
sf.extend(cf_1.simple_format)
sf.extend(cf_2.simple_format)
xml_path = path + 'test_4.xml'
sf.to_stream_voice().add_to_score(self.score)
self.score.write(xml_path)
self.assertCompareFiles(xml_path)
def test_3(self):
# fields: both with midi_generators, one duration_generator
# group: duration_generator with __next__ (Random)
cfg = ChordField(
duration_generator=ValueGenerator(Random(pool=[0.2, 0.4, 0.8, 1.6], seed=10))
)
cf_1 = ChordField(quarter_duration=3,
midi_generator=ValueGenerator(cycle([60, 61, 64, 66])),
duration_generator=ValueGenerator(cycle([1]))
)
cf_2 = ChordField(quarter_duration=6,
midi_generator=ValueGenerator(cycle([72, 73, 74, 73, 72])),
long_ending_mode='cut'
)
cfg.add_child(cf_1)
cfg.add_child(cf_2)
sf_1 = cf_1.simple_format
sf_2 = cf_2.simple_format
sf = SimpleFormat()
sf.extend(sf_1)
sf.extend(sf_2)
xml_path = path + 'test_3.xml'
# cfg.simple_format.to_stream_voice().add_to_score(self.score)
sf.to_stream_voice().add_to_score(self.score)
self.score.write(xml_path)
self.assertCompareFiles(xml_path)
def test_8(self):
# fields: midi_generators
# group: duration_generator with __call__ RandomInterpolation
# output of fields not group
cfg = ChordField(
duration_generator=ValueGenerator(
RandomInterpolation(start=[0.25, 0.25, 0.5], end=[0.5, 0.75, 1], seed=20)))
cf_1 = ChordField(
quarter_duration=3,
midi_generator=ValueGenerator(cycle([60, 61, 64, 66])))
cf_2 = ChordField(
quarter_duration=6,
midi_generator=ValueGenerator(cycle([72, 73, 74, 73, 72])),
long_ending_mode='self_extend')
cfg.add_child(cf_1)
cfg.add_child(cf_2)
xml_path = path + 'test_8.xml'
simple_format = SimpleFormat()
simple_format.extend(cf_1.simple_format)
simple_format.extend(cf_2.simple_format)
simple_format.to_stream_voice().add_to_score(self.score)
self.score.write(xml_path)
self.assertCompareFiles(xml_path)
def test_4(self):
cf_1 = ChordField(
quarter_duration=10,
midi_generator=ValueGenerator(cycle([60, 61, 64, 66])),
long_ending_mode='self_extend',
short_ending_mode='self_shrink'
)
cf_2 = ChordField(
quarter_duration=3,
midi_generator=ValueGenerator(cycle([72, 73, 74, 73, 72])),
long_ending_mode='self_extend',
short_ending_mode='self_shrink'
)
breathe_unit = Fraction(1, 5)
breathe_breakpoints = (5 * breathe_unit, breathe_unit, 5 * breathe_unit)
breathe_proportions = [2, 4, 1, 7, 2]
breathe = Breathe(proportions=breathe_proportions,
quarter_duration=13,
breakpoints=breathe_breakpoints)
cfg = ChordField(duration_generator=breathe.duration_generator)
cfg.add_child(cf_1)
cfg.add_child(cf_2)
simple_format = SimpleFormat()
simple_format.extend(cf_1.simple_format)
simple_format.extend(cf_2.simple_format)
self.score.set_time_signatures(ceil(simple_format.quarter_duration))
simple_format.to_stream_voice().add_to_score(self.score)
xml_path = path + 'test_4.xml'
self.score.write(xml_path)
self.assertCompareFiles(xml_path)
def test_1(self):
sf = SimpleFormat(quarter_durations=[1, 1, 1, 1])
sf_2 = SimpleFormat(quarter_durations=[2, 2, 2])
sf.extend(sf_2)
v = sf.to_stream_voice(1)
v.add_to_score(self.score)
result_path = path + '_test_1'
self.score.write(path=result_path)
while True:
try:
print('pos:{}, pospar:{}, genpos {}'.format(
chord_field.position,
chord_field.position_in_parent,
chord_field.duration_generator.position,
))
next = chord_field.__next__()
print('next duration:{}'.format(next.quarter_duration))
except StopIteration:
break
iterate(copy_parent_chord_field.children[0])
print()
iterate(copy_parent_chord_field.children[1])
simple_format = SimpleFormat()
for child in copy_parent_chord_field.children:
simple_format.extend(child.simple_format)
simple_format.to_stream_voice().add_to_score(score=score, part_number=3)
print(
float(
sum([
child.quarter_duration
for child in copy_parent_chord_field.children
])))
##
xml_path = path + '_test_1.xml'
score.write(xml_path)
