def test_book_example(self):
print('----- book_example -----')
voice_line = Line()
melody_line = Line()
melody_1 = Line(
[Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'aceg'])
melody_2 = Line(
[Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'cadg'])
base_line = Line(
[Note(DiatonicPitch(4, y), Duration(1, 4)) for y in 'dddddddd'])
melody_line.pin(melody_1, Offset(1, 8))
melody_line.pin(melody_2, Offset(1, 4))
voice_line.pin(melody_line)
voice_line.pin(base_line)
print(voice_line)
all_notes = voice_line.get_all_notes()
print('... pinned notes ...')
for n in all_notes:
print('({0}) : {1}'.format(n.get_absolute_position(),
n.diatonic_pitch))
print('... end pinned notes ...')
print('End test_pin')
def test_pin(self):
print('----- test_pin -----')
l1_notes = [Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'abcd']
l2_notes = [Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'efgab']
line = Line()
line.pin(Line(l1_notes), Offset(1, 8))
line.pin(Line(l2_notes), Offset(1, 4))
all_notes = line.get_all_notes()
print('... pinned notes ...')
for n in all_notes:
print('({0}) : {1}'.format(n.get_absolute_position(),
n.diatonic_pitch))
print('... end pinned notes ...')
print('End test_pin')
def test_richer_structure(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)))
line.pin(s)
q1 = Note(DiatonicPitch.parse('E:4'), Duration(1, 4))
line.pin(q1, Offset(1, 4))
q2 = Note(DiatonicPitch.parse('F#:4'), Duration(1, 4))
line.pin(q2, Offset(1, 2))
cs = Beam()
first_note = Note(DiatonicPitch.parse('C:3'), Duration(1, 8))
cs.append(first_note)
cs.append(Note(DiatonicPitch.parse('D:3'), Duration(1, 8)))
line.pin(cs, Offset(2))
cq1 = Note(DiatonicPitch.parse('E:3'), Duration(1, 4))
line.pin(cq1, Offset(9, 4))
cq2 = Note(DiatonicPitch.parse('F#:3'), Duration(1, 4))
line.pin(cq2, Offset(5, 2))
notes = line.get_all_notes()
c = [
EqualPitchConstraint([notes[0], notes[2]]),
NotEqualPitchConstraint([notes[1], notes[3]])
]
m = Motif([s, q1, q2], c, 'A')
print(m)
actors = m.actors
assert 'A' == m.name
assert len(actors) == 4
cc = m.constraints
assert len(cc) == len(c)
assert isinstance(cc[0], EqualPitchConstraint)
cc_a = cc[0].actors
assert len(cc_a) == 2
assert cc_a[0] == actors[0]
assert cc_a[1] == actors[2]
assert isinstance(cc[1], NotEqualPitchConstraint)
cc_b = cc[1].actors
assert len(cc_a) == 2
assert cc_b[0] == actors[1]
assert cc_b[1] == actors[3]
assert 'F#:4' == str(actors[3].diatonic_pitch)
c_motif = m.copy_to(first_note)
assert c_motif is not None
c_actors = c_motif.actors
assert 'A' == c_motif.name
assert len(c_actors) == 4
ccc = c_motif.constraints
assert len(ccc) == len(c)
assert isinstance(ccc[0], EqualPitchConstraint)
ccc_a = ccc[0].actors
assert len(ccc_a) == 2
assert ccc_a[0] == c_actors[0]
assert ccc_a[1] == c_actors[2]
assert isinstance(ccc[1], NotEqualPitchConstraint)
ccc_b = ccc[1].actors
assert len(ccc_a) == 2
assert ccc_b[0] == c_actors[1]
assert ccc_b[1] == c_actors[3]
assert 'F#:3' == str(c_actors[3].diatonic_pitch)
print(c_motif)