def test_simple_tuplet_reverse(self):
print('test simple tuplet reverse')
a = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 3, [a, b, c, d])
print(tuplet)
tuplet.reverse()
print(tuplet)
notes = tuplet.get_all_notes()
assert notes is not None
assert len(notes) == 4
assert notes[0].diatonic_pitch == DiatonicPitch(3, 'd')
assert notes[1].diatonic_pitch == DiatonicPitch(3, 'c')
assert notes[2].diatonic_pitch == DiatonicPitch(3, 'b')
assert notes[3].diatonic_pitch == DiatonicPitch(3, 'a')
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(3, 32)
assert notes[2].relative_position == Offset(3, 16)
assert notes[3].relative_position == Offset(9, 32)
def recursive_dilate(self, strct, new_to_old_map):
if isinstance(strct, Note):
d = strct.base_duration.duration / strct.contextual_reduction_factor
n = Note(strct.diatonic_pitch, Duration(d * self.dilation_factor),
strct.num_dots)
new_to_old_map[n] = strct
return n
else:
collect = list()
for s in strct.sub_notes:
collect.append(self.recursive_dilate(s, new_to_old_map))
if isinstance(strct, Beam):
b = Beam(collect)
new_to_old_map[b] = strct
return b
elif isinstance(strct, Tuplet):
t = Tuplet(strct.unit_duration * self.dilation_factor,
strct.unit_duration_factor, collect)
new_to_old_map[t] = strct
return t
elif isinstance(strct, Line):
line = Line()
new_to_old_map[line] = strct
for s in collect:
line.pin(
s, new_to_old_map[s].relative_position *
self.dilation_factor)
return line
def test_tie_break(self):
print('test tie break')
a = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
sub_beam = Beam([b, c])
tuplet = Tuplet(Duration(1, 8), 2, [a, d])
a.tie()
assert a.is_tied_to
assert d.is_tied_from
tuplet.add(sub_beam, 1)
assert not a.is_tied_to
assert not d.is_tied_from
def test_add_notes_to_tuplet(self):
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
beam = Beam([note0, note1])
line = Line()
line.pin(beam, Offset(1, 2))
voice = Voice(violin)
voice.pin(line, Offset(0))
tuplet = Tuplet(Duration(1, 8), 3, [note2, note3])
beam.append(tuplet)
notee0 = Note(DiatonicPitch(5, 'a'), Duration(1, 8))
tuplet.append(notee0)
print(voice)
notes = voice.get_notes_starting_in_interval(
Interval(Position(1, 2), Position(5, 4)))
assert len(notes) == 5
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:5'))
beam_prime = beam.clone()
notes = beam_prime.get_all_notes()
AbstractNote.print_structure(beam_prime)
assert notes[0].duration == Duration(1, 8)
assert str(notes[0].diatonic_pitch) == 'A:4'
line_prime = line.clone()
notes = line_prime.get_all_notes()
AbstractNote.print_structure(line_prime)
assert notes[0].duration == Duration(1, 8)
assert str(notes[0].diatonic_pitch) == 'A:4'
assert notes[2].duration == Duration(1, 8)
assert str(notes[2].diatonic_pitch) == 'C:4'
def test_tuplet_with_nested_beam(self):
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
n_list = [
Note(DiatonicPitch(3, 'c'), Duration(1, 8)),
Note(DiatonicPitch(3, 'd'), Duration(1, 8))
]
add_beam = Beam(n_list)
tuplet = Tuplet(Duration(1, 8), 2, [note1, add_beam, note2])
print(tuplet)
AbstractNote.print_structure(tuplet)
notes = tuplet.get_all_notes()
assert len(notes) == 4
assert tuplet.sub_notes[0].duration == Duration(1, 16)
assert tuplet.sub_notes[0].relative_position == Offset(0)
assert tuplet.sub_notes[1].duration == Duration(1, 8)
assert tuplet.sub_notes[1].relative_position == Offset(1, 16)
assert tuplet.sub_notes[2].duration == Duration(1, 16)
assert tuplet.sub_notes[2].relative_position == Offset(3, 16)
assert notes[1].duration == Duration(1, 16)
assert notes[1].relative_position == Offset(0)
assert notes[2].duration == Duration(1, 16)
assert notes[2].relative_position == Offset(1, 16)
add_beam_prime = add_beam.clone()
notes = add_beam_prime.get_all_notes()
AbstractNote.print_structure(add_beam_prime)
assert notes[0].duration == Duration(1, 8)
assert str(notes[0].diatonic_pitch) == 'C:3'
tuplet_prime = tuplet.clone()
notes = tuplet_prime.get_all_notes()
AbstractNote.print_structure(tuplet_prime)
assert notes[0].duration == Duration(1, 16)
assert str(notes[0].diatonic_pitch) == 'C:4'
assert notes[1].duration == Duration(1, 16)
def test_simple_tuplet(self):
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [note1, note2, note3])
print(tuplet)
AbstractNote.print_structure(tuplet)
notes = tuplet.get_all_notes()
assert len(notes) == 3
assert notes[0].diatonic_pitch == DiatonicPitch(4, 'c')
assert notes[1].diatonic_pitch == DiatonicPitch(4, 'd')
assert notes[2].diatonic_pitch == DiatonicPitch(4, 'e')
assert notes[0].duration == Duration(1, 12)
assert notes[1].duration == Duration(1, 12)
assert notes[2].duration == Duration(1, 12)
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(1, 12)
assert notes[2].relative_position == Offset(1, 6)
def test_book_example(self):
print("test_book_example")
a = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [b, c, d])
beam = Beam([a, tuplet, e])
print(beam)
a1 = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b1 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c1 = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e1 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
tuplet1 = Tuplet(Duration(1, 8), 2, [b1, c1, d1])
beam1 = Beam([tuplet1])
final_beam = Beam([a1, beam1, e1])
print(final_beam)
a2 = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b2 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c2 = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d2 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e2 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
beam2 = Beam([b2, c2, d2])
tuplet2 = Tuplet(Duration(1, 16), 2, [beam2])
final_beam2 = Beam([a2, tuplet2, e2])
print(final_beam2)
print("end test_book_example")
def test_odd_structure(self):
print('test odd structure')
n1 = Note(DiatonicPitch(4, 'c'), Duration(1, 12))
n2 = Note(DiatonicPitch(4, 'c'), Duration(1, 12))
from structure.tuplet import Tuplet
tuplet = Tuplet(Duration(1, 12), 1, [n1, n2])
n3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
beam = Beam([tuplet, n3])
AbstractNote.print_structure(beam)
def test_dilation(self):
print('test dilation')
a = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [a, b, c])
sub_beam = Beam([tuplet])
beam = Beam([d, sub_beam, e])
AbstractNote.print_structure(beam)
f = Note(DiatonicPitch(3, 'f'), Duration(1, 8))
tuplet.add(f, 2)
AbstractNote.print_structure(beam)
print('end test dilation')
def test_TBB_layers(self):
print('start test_TBB_layers')
sub_sub_beam = Beam([
Note(DiatonicPitch(2, 'c'), Duration(1, 8)),
Note(DiatonicPitch(2, 'd'), Duration(1, 8))
])
sub_beam = Beam([
Note(DiatonicPitch(3, 'c'), Duration(1, 8)), sub_sub_beam,
Note(DiatonicPitch(3, 'd'), Duration(1, 8))
])
AbstractNote.print_structure(sub_beam)
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
print('-----------')
tuplet = Tuplet(Duration(1, 8), 2, [note1, sub_beam, note2])
AbstractNote.print_structure(tuplet)
notes = tuplet.get_all_notes()
assert len(notes) == 6
assert tuplet.sub_notes[1].duration == Duration(3, 20)
assert tuplet.sub_notes[1].relative_position == Offset(1, 20)
assert tuplet.sub_notes[1].sub_notes[1].duration == Duration(1, 20)
assert tuplet.sub_notes[1].sub_notes[1].relative_position == Offset(
1, 20)
sub_sub_beam.add(Note(DiatonicPitch(2, 'c'), Duration(1, 8)), 1)
AbstractNote.print_structure(tuplet)
assert tuplet.sub_notes[1].duration == Duration(7, 44)
assert tuplet.sub_notes[1].relative_position == Offset(1, 22)
assert tuplet.sub_notes[1].sub_notes[1].duration == Duration(3, 44)
assert tuplet.sub_notes[1].sub_notes[1].relative_position == Offset(
1, 22)
print('end test_TBB_layers')
def test_absolute_position(self):
print('test absolute position')
a = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 3, [a, b, c, d])
e = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
f = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
g = Note(DiatonicPitch(4, 'g'), Duration(1, 8))
a1 = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
sub_beam = Beam([e, f, g, a1])
b1 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c1 = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e1 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
beam = Beam([b1, tuplet, c1, sub_beam, d1, e1])
AbstractNote.print_structure(beam)
notes = beam.get_all_notes()
assert notes is not None
assert len(notes) == 12
results = [
Position(0),
Position(1, 8),
Position(7, 32),
Position(5, 16),
Position(13, 32),
Position(1, 2),
Position(5, 8),
Position(11, 16),
Position(3, 4),
Position(13, 16),
Position(7, 8),
Position(1)
]
index = 0
for n in notes:
print('{0} abs. position = {1}'.format(n,
n.get_absolute_position()))
assert n.get_absolute_position() == results[index]
index += 1
def test_two_voices(self):
print('test two voices')
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [note0, note1, note2])
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note4 = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
subbeam = Beam([note3, note4])
beam = Beam(subbeam)
line1 = Line([tuplet, beam])
print(line1)
notee0 = Note(DiatonicPitch(5, 'a'), Duration(1, 8))
notee1 = Note(DiatonicPitch(5, 'b'), Duration(1, 8), 1)
notee2 = Note(DiatonicPitch(5, 'c'), Duration(1, 8))
notee3 = Note(DiatonicPitch(5, 'd'), Duration(1, 16))
line2 = Line([notee0, notee1, notee2])
line2.pin(notee3, Offset(1, 2))
print(line2)
voice = Voice(violin)
voice.pin(line1, Offset(1, 4))
voice.pin(line2, Offset(0, 1))
print(voice)
interval = Interval(Position(1, 2), Position(1))
notes = voice.get_notes_by_interval(interval)
assert len(notes) == 3
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('D:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('E:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('D:5'))
interval = Interval(Position(1, 4), Position(7, 16))
notes = voice.get_notes_by_interval(interval)
assert len(notes) == 5
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:5'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:5'))
def test_nested_structure_reverse(self):
print('test nested structure reverse')
a = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 3, [a, b, c, d])
e = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
f = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
g = Note(DiatonicPitch(4, 'g'), Duration(1, 8))
a1 = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
sub_beam = Beam([e, f, g, a1])
b1 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c1 = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e1 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
beam = Beam([b1, tuplet, c1, sub_beam, d1, e1])
AbstractNote.print_structure(beam)
beam.reverse()
AbstractNote.print_structure(beam)
notes = beam.get_all_notes()
assert notes is not None
assert len(notes) == 12
assert notes[0].diatonic_pitch == DiatonicPitch(3, 'e')
assert notes[1].diatonic_pitch == DiatonicPitch(3, 'd')
assert notes[2].diatonic_pitch == DiatonicPitch(3, 'a')
assert notes[3].diatonic_pitch == DiatonicPitch(4, 'g')
assert notes[4].diatonic_pitch == DiatonicPitch(4, 'f')
assert notes[5].diatonic_pitch == DiatonicPitch(4, 'e')
assert notes[6].diatonic_pitch == DiatonicPitch(3, 'c')
assert notes[7].diatonic_pitch == DiatonicPitch(4, 'd')
assert notes[8].diatonic_pitch == DiatonicPitch(4, 'c')
assert notes[9].diatonic_pitch == DiatonicPitch(4, 'b')
assert notes[10].diatonic_pitch == DiatonicPitch(4, 'a')
assert notes[11].diatonic_pitch == DiatonicPitch(3, 'b')
def test_ties_reverse(self):
print('test ties reverse')
a = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
b = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 3, [a, b, c, d])
e = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
f = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
g = Note(DiatonicPitch(4, 'g'), Duration(1, 8))
a1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
sub_beam = Beam([e, f, g, a1])
b1 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c1 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
d1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e1 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
beam = Beam([b1, tuplet, c1, sub_beam, d1, e1])
b1.tie()
d.tie()
c1.tie()
a1.tie()
AbstractNote.print_structure(beam)
beam.reverse()
AbstractNote.print_structure(beam)
assert a.is_tied_to and a.tied_to == b1
assert b1.is_tied_from and b1.tied_from == a
assert c1.is_tied_to and c1.tied_to == d
assert d.is_tied_from and d.tied_from == c1
assert e.is_tied_to and e.tied_to == c1
assert c1.is_tied_from and c1.tied_from == e
assert d1.is_tied_to and d1.tied_to == a1
assert a1.is_tied_from and a1.tied_from == d1
def test_nested_tuplet(self):
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
sub_tuplet = Tuplet(Duration(1, 8), 2, [
Note(DiatonicPitch(3, 'c'), Duration(1, 8)),
Note(DiatonicPitch(3, 'd'), Duration(1, 8)),
Note(DiatonicPitch(3, 'e'), Duration(1, 8))
])
tuplet = Tuplet(Duration(1, 8), 2, [note1, sub_tuplet, note2])
print(tuplet)
AbstractNote.print_structure(tuplet)
notes = tuplet.get_all_notes()
assert len(notes) == 5
assert notes[0].duration == Duration(1, 16)
assert notes[1].duration == Duration(1, 24)
assert notes[2].duration == Duration(1, 24)
assert notes[3].duration == Duration(1, 24)
assert notes[4].duration == Duration(1, 16)
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(0)
assert notes[2].relative_position == Offset(1, 24)
assert notes[3].relative_position == Offset(1, 12)
assert notes[4].relative_position == Offset(3, 16)
assert tuplet.sub_notes[1].duration == Duration(1, 8)
assert tuplet.sub_notes[1].relative_position == Offset(1, 16)
sub_tuplet_prime = sub_tuplet.clone()
notes = sub_tuplet_prime.get_all_notes()
AbstractNote.print_structure(sub_tuplet_prime)
assert notes[0].duration == Duration(1, 12)
assert str(notes[0].diatonic_pitch) == 'C:3'
tuplet_prime = tuplet.clone()
notes = tuplet_prime.get_all_notes()
AbstractNote.print_structure(tuplet_prime)
assert notes[0].duration == Duration(1, 16)
assert str(notes[0].diatonic_pitch) == 'C:4'
assert notes[1].duration == Duration(1, 24)
def test_simple_form(self):
line = Line()
s = Beam()
s.append(Note(DiatonicPitch.parse('C:4'), Duration(1, 8)))
s.append(Note(DiatonicPitch.parse('D:4'), Duration(1, 8)))
s.append(Note(DiatonicPitch.parse('E:4'), Duration(1, 8)))
s.append(Note(DiatonicPitch.parse('F#:4'), Duration(1, 8)))
line.pin(s)
notes = s.get_all_notes()
c = [
EqualPitchConstraint([notes[0], notes[2]]),
NotEqualPitchConstraint([notes[1], notes[3]])
]
a = Motif(s, c, 'A')
s1 = [
Note(DiatonicPitch(4, 'c'), Duration(1, 8)),
Note(DiatonicPitch(4, 'd'), Duration(1, 8)),
Note(DiatonicPitch(4, 'e'), Duration(1, 8)),
]
tuplet = Tuplet(Duration(1, 8), 2, s1)
line.pin(tuplet, Offset(1, 2))
notes = tuplet.get_all_notes()
c1 = [
EqualPitchConstraint([notes[0], notes[2]]),
RelativeScalarStepConstraint(notes[1], notes[2], -2, 2)
]
b = Motif(tuplet, c1, 'B')
f = Form([a, b])
print(f)
constraints = [
EqualPitchConstraint([a.actors[0], b.actors[1]])
]
# Ensure a, b cloned for reliability - see comment in Form.
ff = Form([a, b], constraints)
print(ff)
constr = ff.external_constraints
assert len(constr) == 1
actors = ff.actors
assert len(actors) == 7
assert isinstance(constr[0], EqualPitchConstraint)
assert constr[0].actors[0] == actors[0]
assert constr[0].actors[1] == actors[4 + 1]
all_constr = ff.constraints
assert len(all_constr) == 5
# Add more notes to clone ff as:
s3 = Beam()
first_note = Note(DiatonicPitch.parse('C:5'), Duration(1, 8))
s3.append(first_note)
s3.append(Note(DiatonicPitch.parse('D:5'), Duration(1, 8)))
s3.append(Note(DiatonicPitch.parse('E:5'), Duration(1, 8)))
s3.append(Note(DiatonicPitch.parse('F#:5'), Duration(1, 8)))
line.pin(s3, Offset(3))
s2 = [
Note(DiatonicPitch(5, 'c'), Duration(1, 8)),
Note(DiatonicPitch(5, 'd'), Duration(1, 8)),
Note(DiatonicPitch(5, 'e'), Duration(1, 8)),
]
tuplet1 = Tuplet(Duration(1, 8), 2, s2)
line.pin(tuplet1, Offset(7, 2))
fff = ff.copy_to(first_note)
assert fff is not None
print(fff)
constr = fff.external_constraints
assert len(constr) == 1
assert len(fff.constraints) == 5
actors = fff.actors
assert len(actors) == 7
assert isinstance(constr[0], EqualPitchConstraint)
assert constr[0].actors[0] == actors[0]
assert constr[0].actors[1] == actors[4 + 1]
all_constr = fff.constraints
assert len(all_constr) == 5
def test_tuplet_variations(self):
print('test tuplet variations')
# 1. Beam with 3 1/8 notes
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
beam = Beam([note1, note2, note3])
AbstractNote.print_structure(beam)
notes = beam.get_all_notes()
assert len(notes) == 3
assert notes[0].duration == Duration(1, 8)
assert notes[1].duration == Duration(1, 8)
assert notes[2].duration == Duration(1, 8)
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(1, 8)
assert notes[2].relative_position == Offset(1, 4)
# 2. beam with a tuplet
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [note1, note2, note3])
beam = Beam([tuplet])
AbstractNote.print_structure(beam)
notes = beam.get_all_notes()
assert len(notes) == 3
assert notes[0].duration == Duration(1, 12)
assert notes[1].duration == Duration(1, 12)
assert notes[2].duration == Duration(1, 12)
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(1, 12)
assert notes[2].relative_position == Offset(1, 6)
# 3. tuplet with a beam
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
beam = Beam([note1, note2, note3])
tuplet = Tuplet(Duration(1, 8), 2, beam)
AbstractNote.print_structure(tuplet)
notes = beam.get_all_notes()
assert len(notes) == 3
assert notes[0].duration == Duration(1, 12)
assert notes[1].duration == Duration(1, 12)
assert notes[2].duration == Duration(1, 12)
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(1, 12)
assert notes[2].relative_position == Offset(1, 6)
# 4. beam a beam of a tuplet
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [note1, note2, note3])
sub_beam = Beam([tuplet])
beam = Beam(sub_beam)
AbstractNote.print_structure(beam)
notes = beam.get_all_notes()
assert len(notes) == 3
assert notes[0].duration == Duration(1, 24)
assert notes[1].duration == Duration(1, 24)
assert notes[2].duration == Duration(1, 24)
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(1, 24)
assert notes[2].relative_position == Offset(1, 12)
