def create_primary_templates(tonal_function):
domain_tones = tonal_function.domain_tonality.annotation[:len(
tonal_function.domain_tonality.annotation) - 1]
range_tones = tonal_function.range_tonality.annotation[:len(
tonal_function.range_tonality.annotation) - 1]
tonal_order_template = list()
tonal_interval_map = dict()
for t in domain_tones:
tonal_order_template.append(
range_tones.index(tonal_function[t]) if tonal_function[t] in
range_tones else None)
key_pure_dist = Interval.calculate_pure_distance(
domain_tones[0], t)
if tonal_function[t] is not None:
value_pure_distance = Interval.calculate_pure_distance(
range_tones[0], tonal_function[t])
else:
value_pure_distance = None
tonal_interval_map[key_pure_dist] = value_pure_distance
return tonal_order_template, tonal_interval_map
def create_extension_interval_template(tonal_function):
domain_tones = tonal_function.domain_tonality.annotation[:len(
tonal_function.domain_tonality.annotation) - 1]
range_tones = tonal_function.range_tonality.annotation[:len(
tonal_function.range_tonality.annotation) - 1]
extension_interval_map = dict()
ext_map = tonal_function.extension_map
if ext_map is None:
return extension_interval_map
for t in tonal_function.map.keys():
if t not in domain_tones:
key_pure_dist = Interval.calculate_pure_distance(
domain_tones[0], t)
if tonal_function[t] is not None:
value_pure_distance = Interval.calculate_pure_distance(
range_tones[0], tonal_function[t])
else:
value_pure_distance = None
extension_interval_map[key_pure_dist] = value_pure_distance
return extension_interval_map
def test_pure_distances(self):
dd, cc = Interval.calculate_pure_distance(DiatonicToneCache.get_tone('E'),
DiatonicToneCache.get_tone('C'))
assert dd == 5
assert cc == 8
dd, cc = Interval.calculate_pure_distance(DiatonicToneCache.get_tone('Ab'),
DiatonicToneCache.get_tone('B'))
assert dd == 1
assert cc == 3
dd, cc = Interval.calculate_pure_distance(DiatonicToneCache.get_tone('C'),
DiatonicToneCache.get_tone('B'))
assert dd == 6
assert cc == 11
dd, cc = Interval.calculate_pure_distance(DiatonicToneCache.get_tone('B'),
DiatonicToneCache.get_tone('C'))
assert dd == 1
assert cc == 1
dd, cc = Interval.calculate_pure_distance(DiatonicToneCache.get_tone('Ebb'),
DiatonicToneCache.get_tone('A#'))
assert dd == 3
assert cc == 8
dd, cc = Interval.calculate_pure_distance(DiatonicToneCache.get_tone('A#'),
DiatonicToneCache.get_tone('Ebb'))
assert dd == 4
assert cc == 4
end_tone = Interval.end_tone_from_pure_distance(DiatonicToneCache.get_tone('C'), 4, 6)
assert 'Gb' == DiatonicTone.to_upper(end_tone.diatonic_symbol)
end_tone = Interval.end_tone_from_pure_distance(DiatonicToneCache.get_tone('G'), 2, 5)
assert 'B#' == DiatonicTone.to_upper(end_tone.diatonic_symbol)
end_tone = Interval.end_tone_from_pure_distance(DiatonicToneCache.get_tone('Gb'), 4, 6, False)
assert 'C' == DiatonicTone.to_upper(end_tone.diatonic_symbol)
end_tone = Interval.end_tone_from_pure_distance(DiatonicToneCache.get_tone('B#'), 2, 5, False)
assert 'G' == DiatonicTone.to_upper(end_tone.diatonic_symbol)