def test_interval():
scale = Scale(Note(1))
notes = [Note(n+1) for n in [0, 2, 4, 5, 7, 9, 11]]
for note in notes:
print scale.interval(note, 7)
def test_composition():
random.seed(427)
scale = Scale(Note(0))
track1 = Track()
track2 = Track()
chord = scale.getRandomChord()
track1.appendChord(chord, 0.25)
print chord
chord = scale.getRandomChord()
track1.appendChord(chord, 0.5)
print chord
chord = scale.getRandomChord()
track2.appendChord(chord, 2.0)
print chord
chord = scale.getRandomChord()
track2.appendChord(chord, 1.0)
print chord
comp = Composition(120, 44100)
comp.addTrack(track1)
comp.addTrack(track2)
print
print "Running composition..."
for sample in range(5 * 44100):
noteOn = comp.getNoteOnEvents()
noteOff = comp.getNoteOffEvents()
if noteOn:
print "NoteOn events: sample = " + str(sample)
print noteOn
if noteOff:
print "NoteOff events: sample = " + str(sample)
print noteOff
comp.advanceBySample()
def test_randomNote():
scale = Scale(Note(40))
print Note(40)
print scale._shiftedScale
print scale._shiftedPentatonicScale
for _ in range(10):
print scale.getRandomNote(minOctave=0,
maxOctave=8,
pentatonic=False)
print
for _ in range(10):
print scale.getRandomNote(minOctave=3,
maxOctave=5,
pentatonic=True)
def test_randomChord():
scale = Scale(Note(2))
for _ in range(10):
chord = scale.getRandomChord(
minOctave = 0,
maxOctave = 3,
minSize = 3,
maxSize = 8, # number of notes in the chord
basicOnly = True, # contain only I, IV, V and parallel as base note
seconds = False, # if chords may contain seconds
thirds = True, # if chords may contain thirds
fourths = False, # if chords may contain fourths
fifths = True, # if chords may contain fourths
sixths = False, # if chords may contain sixths
sevenths = False, # if chords may contain sevenths
# TODO:
allowDirectSemitones = False, # if direct semitones shall be allowed in the chord
)
print str(chord.baseNote) + " " + str(chord)
def test_track():
scale = Scale(Note(0))
track = Track()
chord = scale.getRandomChord()
track.appendChord(chord, 0.25)
chord = scale.getRandomChord()
track.appendChord(chord, 0.5)
chord = scale.getRandomChord()
track.appendChord(chord, 2.0)
chord = scale.getRandomChord()
track.appendChord(chord, 1.0)
chord = scale.getRandomChord()
track.insertChord(0.4, chord, 1.0)
print track
