def harmonies():
hr = harmonic_rhythms()
assert [len(x) for x in hr] == [41, 41, 41, 41]
# 42 harmonies needed per part
cello_harmonies = [
9, 18, 15, 10, 17, 19, 1, 4, 7, 14, 18, 5, 8, 6]
assert len(cello_harmonies) == 14
violin_harmonies = [
12, 10, 8, 17, 6, 3,
8, 6, 3, 12, 10, 19, 17,
12, 17, 3, 19, 8, 6]
assert len(violin_harmonies) == 19
flute_harmonies = [
18, 15, 12, 5, 10, 8, 6,
15, 5, 10, 18, 12]
assert len(flute_harmonies) == 12
clarinet_harmonies = [
14, 2, 15, 12, 1, 16, 9, 7, 11, 18, 10,
14, 1, 16, 9, 18, 10, 2, 15, 12, 7, 11]
assert len(clarinet_harmonies) == 22
harmonies = [
flute_harmonies, clarinet_harmonies, violin_harmonies, cello_harmonies]
harmonies = [sequencetools.repeat_list_to_length(x, 41) for x in harmonies]
return harmonies
def add_fleurs(score):
print('adding fleurs ...')
hh = harmonies()
hr = harmonic_rhythms()
assert [len(x) for x in hh] == [41, 41, 41, 41]
assert [len(x) for x in hr] == [41, 41, 41, 41]
for staff_index, staff in enumerate(score.instrument_staves):
hr_eighths = hr[staff_index]
hr_durations = [Fraction(n, 8) for n in hr_eighths]
staff_harmony = hh[staff_index]
staff_leaves = list(iterate.leaves_forward_in(staff))
leaf_runs = durationtools.group_prolated(staff_leaves, hr_durations,
fill = 'greater', cyclic = False, overhang = True)
offset = 0
fleur_ordinal = 0
for leaf_run, fleur_number in zip(leaf_runs, staff_harmony):
add_fleur_to_leaf_run(leaf_run, fleur_number, offset, fleur_ordinal)
offset += len(leaf_run)
fleur_ordinal += 1
