def test_scoretools_Component__measure_number_02():
staff = abjad.Staff()
staff.append(abjad.Measure((2, 4), "c'4 d'4"))
staff.append(abjad.Measure((2, 4), "e'4 f'4"))
staff.append(abjad.Measure((3, 4), "g'4 a'4 b'4"))
staff.append(abjad.Measure((1, 4), "c''4"))
staff._update_measure_numbers()
assert staff._measure_number == 1
assert staff[0]._measure_number == 1
assert staff[1]._measure_number == 2
assert staff[2]._measure_number == 3
assert staff[3]._measure_number == 4
leaves = abjad.iterate(staff).leaves()
leaves = list(leaves)
assert leaves[0]._measure_number == 1
assert leaves[1]._measure_number == 1
assert leaves[2]._measure_number == 2
assert leaves[3]._measure_number == 2
assert leaves[4]._measure_number == 3
assert leaves[5]._measure_number == 3
assert leaves[6]._measure_number == 3
assert leaves[7]._measure_number == 4
def test_scoretools_Measure___add___01():
r'''Add outside-of-score measures.
'''
measure_1 = abjad.Measure((1, 8), "c'16 d'16")
beam = abjad.Beam()
abjad.attach(beam, measure_1[:])
measure_2 = abjad.Measure((2, 16), "c'16 d'16")
slur = abjad.Slur()
abjad.attach(slur, measure_2[:])
new = measure_1 + measure_2
assert format(new) == abjad.String.normalize(r'''
{
\time 2/8
c'16 [
d'16 ]
c'16 (
d'16 )
}
''')
assert new is not measure_1 and new is not measure_2
assert len(measure_1) == 0
assert len(measure_2) == 0
assert abjad.inspect(new).is_well_formed()
def add_bell_music_to_score(score):
r'''Adds bell music to score.
'''
bell_voice = score['Bell Voice']
def make_bell_phrase():
phrase = []
for _ in range(3):
measure = abjad.Measure((6, 4), r"r2. a'2.")
abjad.attach(abjad.LaissezVibrer(), measure[-1])
phrase.append(measure)
phrase.append(abjad.Measure((6, 4), 'R1.'))
for _ in range(2):
phrase.append(abjad.Measure((6, 4), 'R1.'))
return phrase
for _ in range(11):
bell_voice.extend(make_bell_phrase())
for _ in range(19):
bell_voice.append(abjad.Measure((6, 4), 'R1.'))
measure = abjad.Measure((6,4), r"a'1.")
abjad.attach(abjad.LaissezVibrer(), measure[-1])
bell_voice.append(measure)
def test_scoretools_Mutation_swap_07():
r'''Moves parentage, children and spanners from one measure to another.
'''
measure = abjad.Measure((4, 8), "c'8 d'8 e'8 f'8")
assert format(measure) == abjad.String.normalize(r'''
{ % measure
\time 4/8
c'8
d'8
e'8
f'8
} % measure
''')
new_measure = abjad.Measure((4, 8), [])
abjad.mutate(measure).swap(new_measure)
assert format(new_measure) == abjad.String.normalize(r'''
{ % measure
\time 4/8
c'8
d'8
e'8
f'8
} % measure
''')
assert abjad.inspect(new_measure).is_well_formed()
def make_bell_phrase():
phrase = []
for _ in range(3):
measure = abjad.Measure((6, 4), r"r2. a'2.")
abjad.attach(abjad.LaissezVibrer(), measure[-1])
phrase.append(measure)
phrase.append(abjad.Measure((6, 4), 'R1.'))
for _ in range(2):
phrase.append(abjad.Measure((6, 4), 'R1.'))
return phrase
def test_scoretools_Mutation_fuse_11():
r'''Fuses unicorporated measures carrying
time signatures with power-of-two denominators.
'''
measure_1 = abjad.Measure((1, 8), "c'16 d'16")
beam = abjad.Beam()
abjad.attach(beam, measure_1[:])
measure_2 = abjad.Measure((2, 16), "c'16 d'16")
slur = abjad.Slur()
abjad.attach(slur, measure_2[:])
staff = abjad.Staff([measure_1, measure_2])
assert format(staff) == abjad.String.normalize(r'''
\new Staff
{
{ % measure
\time 1/8
c'16
[
d'16
]
} % measure
{ % measure
\time 2/16
c'16
(
d'16
)
} % measure
}
''')
new = abjad.mutate(staff[:]).fuse()
assert new is not measure_1 and new is not measure_2
assert len(measure_1) == 0
assert len(measure_2) == 0
assert format(new) == abjad.String.normalize(r'''
{ % measure
\time 2/8
c'16
[
d'16
]
c'16
(
d'16
)
} % measure
''')
assert abjad.inspect(new).is_well_formed()
def test_scoretools_Mutation_fuse_14():
r'''Fuses measures with power-of-two-denominators together with measures
without power-of-two denominators.
Helpers abjad.selects least common multiple of denominators.
Beams are OK because they abjad.attach to leaves rather than containers.
'''
measure_1 = abjad.Measure((1, 8), "c'8")
measure_1.implicit_scaling = True
measure_2 = abjad.Measure((1, 12), "d'8")
measure_2.implicit_scaling = True
voice = abjad.Voice([measure_1, measure_2])
leaves = abjad.select(voice).leaves()
beam = abjad.Beam()
abjad.attach(beam, leaves)
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 1/8
c'8
[
} % measure
{ % measure
\time 1/12
\scaleDurations #'(2 . 3) {
d'8
]
}
} % measure
}
''')
abjad.mutate(voice[:]).fuse()
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 5/24
\scaleDurations #'(2 . 3) {
c'8.
[
d'8
]
}
} % measure
}
''')
assert abjad.inspect(voice).is_well_formed()
def test_three_measures_mixed(self):
time_signatures = [
abjad.TimeSignature((3, 8)),
abjad.TimeSignature((2, 4)),
abjad.TimeSignature((5, 16))
]
measures = make_spacer_skip_measures(time_signatures)
test_measures = [
abjad.Measure((3, 8), 's4.'),
abjad.Measure((2, 4), 's2'),
abjad.Measure((5, 16), 's4 s16')
]
self.assertEqual(str(measures), str(test_measures))
def test_scoretools_Inspection_get_duration_01():
r'''Spanner duration in seconds equals sum of duration
of all leaves in spanner, in seconds.
'''
voice = abjad.Voice([
abjad.Measure((2, 12), "c'8 d'8", implicit_scaling=True),
abjad.Measure((2, 8), "c'8 d'8")
])
leaves = abjad.select(voice).leaves()
mark = abjad.MetronomeMark(abjad.Duration(1, 8), 42)
abjad.attach(mark, leaves[0], context='Voice')
beam = abjad.Beam()
abjad.attach(beam, leaves)
crescendo = abjad.Hairpin('<')
abjad.attach(crescendo, voice[0][:])
diminuendo = abjad.Hairpin('>')
abjad.attach(diminuendo, voice[1][:])
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/12
\scaleDurations #'(2 . 3) {
\tempo 8=42
c'8
[
\<
d'8
\!
}
} % measure
{ % measure
\time 2/8
c'8
\>
d'8
]
\!
} % measure
}
''')
assert abjad.inspect(beam).get_duration(in_seconds=True) == abjad.Duration(
100, 21)
assert abjad.inspect(crescendo).get_duration(
in_seconds=True) == abjad.Duration(40, 21)
assert abjad.inspect(diminuendo).get_duration(in_seconds=True) == \
abjad.Duration(20, 7)
def test_scoretools_Mutation_scale_07():
r'''Scales measures by 5/4.
'''
voice = abjad.Voice()
voice.append(abjad.Measure((2, 8), "c'8 d'8"))
voice.append(abjad.Measure((2, 8), "e'8 f'8"))
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/8
c'8
d'8
} % measure
{ % measure
e'8
f'8
} % measure
}
''')
abjad.mutate(voice).scale(abjad.Multiplier(5, 4))
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 20/64
c'8
~
c'32
d'8
~
d'32
} % measure
{ % measure
e'8
~
e'32
f'8
~
f'32
} % measure
}
''')
assert abjad.inspect(voice).is_well_formed()
def test_scoretools_Measure___add___02():
r'''Add measures in score.
'''
measure_1 = abjad.Measure((1, 8), "c'16 d'16")
beam = abjad.Beam()
abjad.attach(beam, measure_1[:])
measure_2 = abjad.Measure((2, 16), "c'16 d'16")
slur = abjad.Slur()
abjad.attach(slur, measure_2[:])
staff = abjad.Staff([measure_1, measure_2])
assert format(staff) == abjad.String.normalize(r'''
\new Staff
{
{
\time 1/8
c'16 [
d'16 ]
}
{
\time 2/16
c'16 (
d'16 )
}
}
''')
new = measure_1 + measure_2
assert new is not measure_1 and new is not measure_2
assert len(measure_1) == 0
assert len(measure_2) == 0
assert format(staff) == abjad.String.normalize(r'''
\new Staff
{
{
\time 2/8
c'16 [
d'16 ]
c'16 (
d'16 )
}
}
''')
assert abjad.inspect(staff).is_well_formed()
def __call__(self, time_signatures):
r'''Calls measure-maker on `time_signatures`.
Returns measures.
'''
import abjad
measures = []
for time_signature in time_signatures:
time_signature = abjad.TimeSignature(time_signature)
measure = abjad.Measure(
time_signature,
implicit_scaling=self.implicit_scaling,
)
measures.append(measure)
for i, measure in enumerate(measures):
skip = abjad.Skip(1)
# allow zero-update iteration
time_signature = measure.time_signature
duration = time_signature.duration
if measure.implicit_scaling:
implied_prolation = time_signature.implied_prolation
multiplier = duration.__div__(implied_prolation)
else:
multiplier = abjad.Multiplier(duration)
abjad.attach(multiplier, skip)
measure[:] = [skip]
# REMOVE: spanners attach only to leaves:
#for spanner in measure._get_spanners():
# spanner._remove(measure)
return abjad.select(measures)
def test_scoretools_Measure___setitem___01():
measure = abjad.Measure((3, 4), "c' d' e'")
measure[:2] = 'r8'
assert measure.is_underfull
assert pytest.raises(Exception, 'f(measure)')
def test_scoretools_Measure___setattr___01():
r'''Slots constraint measure attributes.
'''
measure = abjad.Measure((3, 8), "c'8 d'8 e'8")
assert pytest.raises(AttributeError, "measure.foo = 'bar'")
def add_string_music_to_score(score):
"""
Adds string music to score.
"""
# generate some pitch and rhythm information
pitch_contour_reservoir = create_pitch_contour_reservoir()
shadowed_contour_reservoir = shadow_pitch_contour_reservoir(
pitch_contour_reservoir)
durated_reservoir = durate_pitch_contour_reservoir(
shadowed_contour_reservoir)
# add six dotted-whole notes and the durated contours to each string voice
for name, descents in durated_reservoir.items():
instrument_voice = score['%s Voice' % name]
instrument_voice.extend("R1. R1. R1. R1. R1. R1.")
for descent in descents:
instrument_voice.extend(descent)
# apply instrument-specific edits
edit_first_violin_voice(score, durated_reservoir)
edit_second_violin_voice(score, durated_reservoir)
edit_viola_voice(score, durated_reservoir)
edit_cello_voice(score, durated_reservoir)
edit_bass_voice(score, durated_reservoir)
# chop all string parts into 6/4 measures
strings_staff_group = score['Strings Staff Group']
with abjad.ForbidUpdate(score):
for voice in abjad.iterate(strings_staff_group).components(abjad.Voice):
shards = abjad.mutate(voice[:]).split([(6, 4)], cyclic=True)
for shard in shards:
measure = abjad.Measure((6, 4), [])
abjad.mutate(shard).wrap(measure)
def clean_up_rhythm(music, time_signature_pairs):
# THIS IS HOW WE CLEAN UP THE RHYTHM
shards = abjad.mutate(music[:]).split(time_signature_pairs)
for i, shard in enumerate(shards):
measure = abjad.Measure(time_signature_pairs[i])
abjad.mutate(shard).wrap(measure)
return music
def make_drone_staff(anchor_tones, instrument_dict):
staff = abj.Staff()
for tone in anchor_tones:
m = abj.Measure((1, 1), [abj.Note(tone % 12, abj.Duration(1, 1))])
tlt.override(staff).time_signature.stencil = False
staff.append(m)
staff.append(m)
return staff
def test_scoretools_Measure___init___01():
r'''Initializes measure from empty input.
'''
measure = abjad.Measure()
assert measure.time_signature == abjad.TimeSignature((4, 4))
assert not len(measure)
def _notate(
self,
attach_tempos=True,
attack_point_optimizer=None,
grace_handler=None,
):
import abjad
voice = abjad.Voice()
# generate the first
q_target_measure = self.items[0]
measure = abjad.Measure(q_target_measure.time_signature)
for beat in q_target_measure.beats:
measure.extend(beat.q_grid(beat.beatspan))
if attach_tempos:
tempo = copy.copy(q_target_measure.tempo)
#abjad.attach(tempo, measure)
leaf = abjad.inspect(measure).get_leaf(0)
abjad.attach(tempo, leaf)
voice.append(measure)
# generate the rest pairwise, comparing tempi
pairs = abjad.sequence(self.items).nwise()
for q_target_measure_one, q_target_measure_two in pairs:
measure = abjad.Measure(q_target_measure_two.time_signature)
for beat in q_target_measure_two.beats:
measure.extend(beat.q_grid(beat.beatspan))
if ((q_target_measure_two.tempo != q_target_measure_one.tempo) and
attach_tempos):
tempo = copy.copy(q_target_measure_two.tempo)
#abjad.attach(tempo, measure)
leaf = abjad.inspect(measure).get_leaf(0)
abjad.attach(tempo, leaf)
voice.append(measure)
# apply logical ties, pitches, grace containers
self._notate_leaves(
grace_handler=grace_handler,
voice=voice,
)
# partition logical ties in each measure
for measure in voice:
attack_point_optimizer(measure)
return voice
def test_scoretools_Measure_append_01():
r'''Time signature does not automatically adjust.
'''
measure = abjad.Measure((3, 4), "c' d' e'")
measure.append('r')
assert measure.is_overfull
assert pytest.raises(Exception, 'f(measure)')
def test_scoretools_Measure_implicit_scaling_01():
r'''Measures with power-of-two time signature denominator
contribute trivially to contents prolation.
'''
measure = abjad.Measure((4, 4), abjad.Note("c'4") * 4)
assert measure[0].written_duration == abjad.Duration(1, 4)
assert abjad.inspect(measure[0]).get_duration() == abjad.Duration(1, 4)
def test_scoretools_Mutation_fuse_16():
r'''Fusing selection of only one measure returns measure unaltered.
'''
measure = abjad.Measure((3, 8), "c'8 d'8 e'8")
staff = abjad.Staff([measure])
new = abjad.mutate(staff[:]).fuse()
assert new is measure
def test_scoretools_Measure_extend_01():
r'''Do not adjust time signature automatically.
'''
measure = abjad.Measure((3, 4), "c' d' e'")
measure.extend("f' g'")
assert measure.is_overfull
assert pytest.raises(Exception, 'f(measure)')
def test_scoretools_Measure_implicit_scaling_04():
r'''Measures with power-of-two time signature denominators
and implicit scaling scale the duration of their contents.
'''
measure = abjad.Measure((4, 5), "c'4 d'4 e'4 f'4")
measure.implicit_scaling = True
assert measure[0].written_duration == abjad.Duration(1, 4)
assert abjad.inspect(measure[0]).get_duration() == abjad.Duration(1, 5)
def test_spannertools_Spanner__get_my_nth_leaf_01():
staff = abjad.Staff()
staff.append(abjad.Measure((2, 8), "c'8 d'8"))
staff.append(abjad.Measure((2, 8), "e'8 f'8"))
leaves = abjad.select(staff).leaves()
beam = abjad.Beam()
abjad.attach(beam, leaves)
assert format(staff) == abjad.String.normalize(
r'''
\new Staff
{
{ % measure
\time 2/8
c'8
[
d'8
} % measure
{ % measure
e'8
f'8
]
} % measure
}
'''
)
selector = abjad.select().leaves()
leaves = selector(staff)
assert beam._get_my_nth_leaf(0) is leaves[0]
assert beam._get_my_nth_leaf(1) is leaves[1]
assert beam._get_my_nth_leaf(2) is leaves[2]
assert beam._get_my_nth_leaf(3) is leaves[3]
assert beam._get_my_nth_leaf(-1) is leaves[-1]
assert beam._get_my_nth_leaf(-2) is leaves[-2]
assert beam._get_my_nth_leaf(-3) is leaves[-3]
assert beam._get_my_nth_leaf(-4) is leaves[-4]
assert pytest.raises(IndexError, 'beam._get_my_nth_leaf(99)')
assert pytest.raises(IndexError, 'beam._get_my_nth_leaf(-99)')
def test_scoretools_Measure_empty_01():
measure = abjad.Measure((4, 4), [])
assert str(measure) == 'Measure((4, 4))'
assert pytest.raises(abjad.UnderfullContainerError, 'format(measure)')
assert len(measure) == 0
assert measure._get_preprolated_duration() == 0
assert abjad.inspect(measure).get_duration() == 0
assert not abjad.inspect(measure).is_well_formed()
def test_scoretools_Measure_duration_03():
r'''Improperly filled measure with power-of-two time signature.
'''
measure = abjad.Measure((3, 8), "c'8 d'8 e'8 f'8")
assert pytest.raises(abjad.OverfullContainerError, 'format(measure)')
assert measure._get_contents_duration() == abjad.Duration(4, 8)
assert measure._get_preprolated_duration() == abjad.Duration(4, 8)
assert abjad.inspect(measure).get_duration() == abjad.Duration(4, 8)
def test_scoretools_Inspection_get_duration_02():
voice = abjad.Voice([
abjad.Measure((2, 12), "c'8 d'8", implicit_scaling=True),
abjad.Measure((2, 8), "c'8 d'8")
])
leaves = abjad.select(voice).leaves()
beam = abjad.Beam()
abjad.attach(beam, leaves)
crescendo = abjad.Hairpin('<')
abjad.attach(crescendo, voice[0][:])
diminuendo = abjad.Hairpin('>')
abjad.attach(diminuendo, voice[1][:])
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/12
\scaleDurations #'(2 . 3) {
c'8
[
\<
d'8
\!
}
} % measure
{ % measure
\time 2/8
c'8
\>
d'8
]
\!
} % measure
}
''')
assert abjad.inspect(beam).get_duration() == abjad.Duration(5, 12)
assert abjad.inspect(crescendo).get_duration() == abjad.Duration(2, 12)
assert abjad.inspect(diminuendo).get_duration() == abjad.Duration(2, 8)
def test_scoretools_Mutation_scale_06():
r'''Doubles measures.
'''
voice = abjad.Voice()
voice.append(abjad.Measure((2, 8), "c'8 d'8"))
voice.append(abjad.Measure((2, 8), "e'8 f'8"))
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/8
c'8
d'8
} % measure
{ % measure
e'8
f'8
} % measure
}
''')
abjad.mutate(voice).scale(abjad.Multiplier(2))
assert format(voice) == abjad.String.normalize(r'''
\new Voice
{
{ % measure
\time 2/4
c'4
d'4
} % measure
{ % measure
e'4
f'4
} % measure
}
''')
assert abjad.inspect(voice).is_well_formed()
def test_scoretools_Measure___delitem___07():
r'''Nonnegative indices work.
Do NOT automatically update time signature.
'''
measure = abjad.Measure((4, 8), "c'8 c' c' c'")
del (measure[:1])
assert len(measure) == 3
assert abjad.inspect(measure).get_indicator(abjad.TimeSignature)
assert not abjad.inspect(measure).is_well_formed()