def vader_jacob():
theme1 = Measure(Tempo(120), Signature(4, 4)) \
.add_note(Note('C', 3), 0, 1) \
.add_note(Note('D', 3), 1, 1) \
.add_note(Note('E', 3), 2, 1) \
.add_note(Note('C', 3), 3, 1)
theme2 = Measure(Tempo(120), Signature(4, 4)) \
.add_note(Note('E', 3), 0, 1) \
.add_note(Note('F', 3), 1, 1) \
.add_note(Note('G', 3), 2, 2)
theme3 = Measure(Tempo(120), Signature(4, 4)) \
.add_note(Note('G', 3), 0, 0.5) \
.add_note(Note('A', 3), 0.5, 0.5) \
.add_note(Note('G', 3), 1, 0.5) \
.add_note(Note('F', 3), 1.5, 0.5) \
.add_note(Note('E', 3), 2, 1) \
.add_note(Note('C', 3), 3, 1)
theme4 = Measure(Tempo(120), Signature(4, 4)) \
.add_note(Note('C', 3), 0, 1) \
.add_note(Note('G', 2), 1, 1) \
.add_note(Note('C', 3), 2, 2)
track = Track([theme1] * 2 + [theme2] * 2 + [theme3] * 2 + [theme4] * 2)
return track
def generate_dataset(n_measures,
tempo=Tempo(120),
scale=GenericScale('C', [0, 2, 3, 5, 7, 8, 10]),
sampling_info=SamplingInfo(44100)):
signature = Signature(4, 4)
n_notes_per_measure = 4
bass_instrument = make_bass_instrument(sampling_info)
lead_instrument = make_lead_instrument(sampling_info)
chord_instrument = make_accomp_instrument(sampling_info)
chord_track = generate_chord_track(scale, tempo, signature, n_measures)
y_chord = chord_instrument.generate_track(chord_track)
lead_track = generate_lead_track(scale, tempo, signature, n_measures,
n_notes_per_measure)
y_lead = lead_instrument.generate_track(lead_track)
bass_track = generate_bass_track(scale, tempo, signature, n_measures)
y_bass = bass_instrument.generate_track(bass_track)
mix = mixdown([y_bass, y_chord, y_lead])
return [bass_track, chord_track, lead_track], [y_bass, y_chord,
y_lead], mix
def test_measure_note_generate():
measure = Measure(Tempo(120), Signature(4, 4))
measure.add_note(Note('C#', 3), 0, 1)
measure.add_note(Note('D', 3), 1, 1)
measure.add_note(Note('E', 3), 2, 1)
measure.add_note(Note('C#', 3), 3, 1)
result = measure.generate_notes(Duration(1.5))
assert result[0].offset.seconds == (measure.notes[0].offset +
Duration(1.5)).seconds
pass
def test_measure():
measure = Measure(Tempo(120), Signature(4, 4))
measure.add_note(Note('C', 3), 0, 1)
measure.add_note(Note('D', 3), 1, 1)
measure.add_note(Note('E', 3), 2, 1)
measure.add_note(Note('C', 3), 3, 1)
assert len(measure.notes) == 4
def test_max_duration():
measure = Measure(Tempo(120), Signature(4, 4))
measure.add_note(Note('C#', 3), 0, 1)
measure.add_note(Note('F', 3), 2, 5)
measure.add_note(Note('D', 3), 1, 1)
measure.add_note(Note('E', 3), 2, 1)
measure.add_note(Note('C#', 3), 3, 1)
max_duration = get_max_duration(measure.generate_notes(Duration(1.5)))
assert max_duration.seconds == 5.0
def generate_chord(self, chord: Chord, time: Duration):
tempo = Tempo(120)
measure = Measure(tempo, Signature(4, 4))
for n in chord.notes:
measure.add_note(n, 0, duration=time.beats(tempo))
track = Track([measure])
return self.generate_track(track)
def generate(num_measures=64):
tempo = Tempo(120)
signature = Signature(4, 4)
scale = GenericScale('C', [0, 2, 3, 5, 7, 8, 10])
chords = generate_chords(scale, num_measures)
trk_bass = generate_bass(chords, signature, tempo)
return trk_bass
pass
def test_bass_with_chords():
scale = GenericScale('C', [0, 2, 3, 5, 7, 8, 10])
chords_track = random_lead.generate_chords(scale, 32, 4, 4)
tempo = Tempo(120)
signature = Signature(4, 4)
trk_bass = random_lead.generate_bass(chords_track, signature, tempo)
assert trk_bass.measures[0].str_summary() == \
'4/4: (@120.0 bpm):' \
'\nC1 at 0.0 s for 0.25 s\nC1 at 0.5 s for 0.25 s' \
'\nC1 at 1.0 s for 0.25 s\nC1 at 1.5 s for 0.25 s'
pass
def generate_bass(chords, signature: Signature, tempo: Tempo):
measures = []
for c in chords:
measure = Measure(tempo, signature)
note = c.get_root().clone()
note.set_octave(1)
for i in range(int(signature.get_num_quarter_notes())):
measure.add_note(note, i, 0.5)
measures.append(measure)
track = Track(measures)
return track
def test_bar():
bar = Measure(Tempo(120), Signature(3, 4))
assert bar.total_time().seconds == 1.5
def test_signature():
signature = Signature(4, 4)
assert str(signature) == '4/4'
signature = Signature(7, 8)
assert str(signature) == '7/8'