def make_music21_note(
pitch_number=None,
duration=1.0,
staccato=False,
tenuto=False,
accent=False,
falloff=False,
plop=False,
scoop=False,
doit=False,
breath_mark=False,
):
if pitch_number == None or pitch_number == 'rest':
n = Rest()
elif isinstance(pitch_number, list):
pitches = [Pitch(p) for p in pitch_number]
for p in pitches:
if p.accidental.name is 'natural':
p.accidental = None
n = Chord(pitches)
else:
p = Pitch(pitch_number)
if p.accidental.name is 'natural':
p.accidental = None
n = Note(p)
d = Duration()
d.quarterLength = duration
n.duration = d
if staccato:
n.articulations.append(Staccato())
if tenuto:
n.articulations.append(Tenuto())
if accent:
n.articulations.append(Accent())
if falloff:
n.articulations.append(Falloff())
if plop:
n.articulations.append(Plop())
if scoop:
n.articulations.append(Scoop())
if doit:
n.articulations.append(Doit())
if breath_mark:
n.articulations.append(BreathMark())
return n
def _transpose_pitch_in_scale_space(
original_pitch: pitch.Pitch,
steps: int,
reference_scale: scale.ConcreteScale,
) -> pitch.Pitch:
if steps == 0:
return
if steps > 0:
direction = "ascending"
else:
direction = "descending"
steps *= -1
new_pitch = reference_scale.next(original_pitch, direction, steps)
original_pitch.step = new_pitch.step
original_pitch.octave = new_pitch.octave
original_pitch.accidental = new_pitch.accidental
def testUpdateAccidentalDisplaySimple(self):
'''Test updating accidental display.
'''
past = [Pitch('A#3'), Pitch('C#'), Pitch('C')]
a = Pitch('c')
a.accidental = Accidental('natural')
a.accidental.displayStatus = True
self.assertEqual(a.name, 'C')
self.assertTrue(a.accidental.displayStatus)
a.updateAccidentalDisplay(pitchPast=past, overrideStatus=True)
self.assertFalse(a.accidental.displayStatus)
b = copy.deepcopy(a)
self.assertFalse(b.accidental.displayStatus)
self.assertEqual(b.accidental.name, 'natural')
