def test_LilyPondParser__spanners__Glissando_01():
target = abjad.Container([abjad.Note(0, 1), abjad.Note(0, 1)])
abjad.glissando(target[:])
parser = abjad.parser.LilyPondParser()
result = parser(abjad.lilypond(target))
assert abjad.lilypond(target) == abjad.lilypond(result) and target is not result
def attach_glissandi(nucleus_voice):
selections = [[]]
leaves = abjad.iterate(nucleus_voice).leaves()
for leaf_index, leaf in enumerate(leaves):
if 641 <= leaf_index:
leaf_index += 2
string = letter_maker.nuclei[leaf_index]
if string == 0:
glissando = False
else:
result = letter_maker.get_body_pitch_shape_glissando(string)
pitch, shape, glissando = result
if glissando:
assert isinstance(leaf, abjad.Note), repr(leaf)
selections[-1].append(leaf)
elif not selections[-1] == []:
selections.append([])
if selections[-1] == []:
selections.pop()
selections = [abjad.select(_) for _ in selections]
for selection in selections:
next_leaf = abjad.inspect(selection[-1]).leaf(1)
if next_leaf is not None:
selection = selection + [next_leaf]
abjad.glissando(selection, allow_repeats=True)
triples = abjad.sequence(selection).nwise(n=3)
for left_note, middle_note, right_note in triples:
if not (left_note.written_pitch ==
middle_note.written_pitch ==
right_note.written_pitch):
continue
abjad.override(middle_note).note_head.transparent = True
grob_proxy = abjad.override(middle_note).glissando
grob_proxy.bound_details__left__padding = -1.2
def test_Container___delitem___08():
"""
Deletes leaf from nested container.
"""
voice = abjad.Voice("c'8 [ { d'8 e'8 } f'8 ]")
leaves = abjad.select(voice).leaves()
abjad.glissando(leaves)
assert format(voice) == abjad.String.normalize(
r"""
\new Voice
{
c'8
[
\glissando
{
d'8
\glissando
e'8
\glissando
}
f'8
]
}
"""
)
leaf = leaves[1]
del voice[1][0]
assert format(voice) == abjad.String.normalize(
r"""
\new Voice
{
c'8
[
\glissando
{
e'8
\glissando
}
f'8
]
}
"""
)
assert abjad.inspect(voice).wellformed()
assert abjad.inspect(leaf).wellformed()
def test_Container___delitem___08():
"""
Deletes leaf from nested container.
"""
voice = abjad.Voice("c'8 [ { d'8 e'8 } f'8 ]")
leaves = abjad.select(voice).leaves()
abjad.glissando(leaves)
string = abjad.lilypond(voice)
assert string == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
{
d'8
\glissando
e'8
\glissando
}
f'8
]
}
"""), print(string)
leaf = leaves[1]
del voice[1][0]
string = abjad.lilypond(voice)
assert string == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
{
e'8
\glissando
}
f'8
]
}
"""), print(string)
assert abjad.wf.wellformed(voice)
assert abjad.wf.wellformed(leaf)
def test_Container___delitem___08():
"""
Deletes leaf from nested container.
"""
voice = abjad.Voice("c'8 [ { d'8 e'8 } f'8 ]")
leaves = abjad.select(voice).leaves()
abjad.glissando(leaves)
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando %! abjad.glissando(7)
{
d'8
\glissando %! abjad.glissando(7)
e'8
\glissando %! abjad.glissando(7)
}
f'8
]
}
"""), abjad.f(voice)
leaf = leaves[1]
del voice[1][0]
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando %! abjad.glissando(7)
{
e'8
\glissando %! abjad.glissando(7)
}
f'8
]
}
"""), abjad.f(voice)
assert abjad.inspect(voice).wellformed()
assert abjad.inspect(leaf).wellformed()
def test_Mutation_extract_02():
"""
Extracts multiple notes.
"""
voice = abjad.Voice("c'8 d'8 e'8 f'8")
abjad.beam(voice[:])
abjad.glissando(voice[:])
assert format(voice) == abjad.String.normalize(
r"""
\new Voice
{
c'8
[
\glissando
d'8
\glissando
e'8
\glissando
f'8
]
}
"""
), print(format(voice))
notes = voice[:2]
for note in notes:
abjad.mutate(note).extract()
assert format(voice) == abjad.String.normalize(
r"""
\new Voice
{
e'8
\glissando
f'8
]
}
"""
), print(format(voice))
for note in notes:
assert abjad.inspect(note).wellformed()
assert abjad.inspect(voice).wellformed()
def test_Mutation_extract_02():
"""
Extracts multiple notes.
"""
voice = abjad.Voice("c'8 d'8 e'8 f'8")
abjad.beam(voice[:])
abjad.glissando(voice[:])
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando %! abjad.glissando(7)
d'8
\glissando %! abjad.glissando(7)
e'8
\glissando %! abjad.glissando(7)
f'8
]
}
"""), print(format(voice))
notes = voice[:2]
for note in notes:
abjad.mutate(note).extract()
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
e'8
\glissando %! abjad.glissando(7)
f'8
]
}
"""), print(format(voice))
for note in notes:
assert abjad.inspect(note).wellformed()
assert abjad.inspect(voice).wellformed()
def test_Mutation_extract_01():
"""
Extracts note.
"""
voice = abjad.Voice("c'8 d'8 e'8 f'8")
abjad.beam(voice[:])
abjad.glissando(voice[:])
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
d'8
\glissando
e'8
\glissando
f'8
]
}
"""), print(format(voice))
note = voice[1]
abjad.mutate(note).extract()
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
e'8
\glissando
f'8
]
}
"""), print(format(voice))
assert abjad.inspect(note).wellformed()
assert abjad.inspect(voice).wellformed()
def test_mutate_extract_02():
"""
Extracts multiple notes.
"""
voice = abjad.Voice("c'8 d'8 e'8 f'8")
abjad.beam(voice[:])
abjad.glissando(voice[:])
assert abjad.lilypond(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando %! abjad.glissando(7)
d'8
\glissando %! abjad.glissando(7)
e'8
\glissando %! abjad.glissando(7)
f'8
]
}
"""), print(abjad.lilypond(voice))
notes = voice[:2]
for note in notes:
abjad.mutate.extract(note)
assert abjad.lilypond(voice) == abjad.String.normalize(r"""
\new Voice
{
e'8
\glissando %! abjad.glissando(7)
f'8
]
}
"""), print(abjad.lilypond(voice))
for note in notes:
assert abjad.wf.wellformed(note)
assert abjad.wf.wellformed(voice)
def test_mutate_extract_01():
"""
Extracts note.
"""
voice = abjad.Voice("c'8 d'8 e'8 f'8")
abjad.beam(voice[:])
abjad.glissando(voice[:])
assert abjad.lilypond(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
d'8
\glissando
e'8
\glissando
f'8
]
}
"""), print(abjad.lilypond(voice))
note = voice[1]
abjad.mutate.extract(note)
assert abjad.lilypond(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
e'8
\glissando
f'8
]
}
"""), print(abjad.lilypond(voice))
assert abjad.wf.wellformed(note)
assert abjad.wf.wellformed(voice)
def test_Mutation_extract_04():
"""
Extracts multiple containers.
"""
voice = abjad.Voice()
voice.append(abjad.Container("c'8 d'8"))
voice.append(abjad.Container("e'8 f'8"))
voice.append(abjad.Container("g'8 a'8"))
leaves = abjad.select(voice).leaves()
abjad.beam(leaves)
abjad.glissando(leaves)
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
{
c'8
[
\glissando %! abjad.glissando(7)
d'8
\glissando %! abjad.glissando(7)
}
{
e'8
\glissando %! abjad.glissando(7)
f'8
\glissando %! abjad.glissando(7)
}
{
g'8
\glissando %! abjad.glissando(7)
a'8
]
}
}
"""), print(format(voice))
containers = voice[:2]
for container in containers:
abjad.mutate(container).extract()
assert format(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando %! abjad.glissando(7)
d'8
\glissando %! abjad.glissando(7)
e'8
\glissando %! abjad.glissando(7)
f'8
\glissando %! abjad.glissando(7)
{
g'8
\glissando %! abjad.glissando(7)
a'8
]
}
}
"""), print(format(voice))
for container in containers:
assert not container
assert abjad.inspect(voice).wellformed()
def make_gliss(selections):
abjad.glissando(selections[:])
def test_Mutation_extract_04():
"""
Extracts multiple containers.
"""
voice = abjad.Voice()
voice.append(abjad.Container("c'8 d'8"))
voice.append(abjad.Container("e'8 f'8"))
voice.append(abjad.Container("g'8 a'8"))
leaves = abjad.select(voice).leaves()
abjad.beam(leaves)
abjad.glissando(leaves)
assert format(voice) == abjad.String.normalize(
r"""
\new Voice
{
{
c'8
[
\glissando
d'8
\glissando
}
{
e'8
\glissando
f'8
\glissando
}
{
g'8
\glissando
a'8
]
}
}
"""
), print(format(voice))
containers = voice[:2]
for container in containers:
abjad.mutate(container).extract()
assert format(voice) == abjad.String.normalize(
r"""
\new Voice
{
c'8
[
\glissando
d'8
\glissando
e'8
\glissando
f'8
\glissando
{
g'8
\glissando
a'8
]
}
}
"""
), print(format(voice))
for container in containers:
assert not container
assert abjad.inspect(voice).wellformed()
def __illustrate__(self):
r"""
Illustrates pitch range.
.. container:: example
>>> pitch_range = abjad.PitchRange('[C3, C7]')
>>> abjad.show(pitch_range) # doctest: +SKIP
.. docs::
>>> lilypond_file = pitch_range.__illustrate__()
>>> abjad.f(lilypond_file[abjad.Score])
\new Score
\with
{
\override BarLine.stencil = ##f
\override Glissando.thickness = #2
\override SpanBar.stencil = ##f
\override TimeSignature.stencil = ##f
}
<<
\new PianoStaff
<<
\context Staff = "Treble_Staff"
{
\clef "treble"
s1 * 1/4
s1 * 1/4
}
\context Staff = "Bass_Staff"
{
\clef "bass"
c1 * 1/4
\glissando
\change Staff = Treble_Staff
c''''1 * 1/4
}
>>
>>
Returns LilyPond file.
"""
import abjad
start_pitch_clef = abjad.Clef.from_selection(self.start_pitch)
stop_pitch_clef = abjad.Clef.from_selection(self.stop_pitch)
start_note = abjad.Note(self.start_pitch, 1)
stop_note = abjad.Note(self.stop_pitch, 1)
if start_pitch_clef == stop_pitch_clef:
if start_pitch_clef == abjad.Clef('bass'):
bass_staff = abjad.Staff()
abjad.attach(abjad.Clef('bass'), bass_staff)
bass_staff.extend([start_note, stop_note])
bass_leaves = abjad.select(bass_staff).leaves()
abjad.glissando(bass_leaves)
score = abjad.Score([bass_staff])
else:
treble_staff = abjad.Staff()
abjad.attach(abjad.Clef('treble'), treble_staff)
treble_staff.extend([start_note, stop_note])
treble_leaves = abjad.select(treble_staff).leaves()
abjad.glissando(treble_leaves)
score = abjad.Score([treble_staff])
else:
result = abjad.Score.make_piano_score()
score, treble_staff, bass_staff = result
bass_staff.extend([start_note, stop_note])
treble_staff.extend(abjad.Skip(1) * 2)
bass_leaves = abjad.select(bass_staff).leaves()
abjad.glissando(bass_leaves)
abjad.attach(abjad.StaffChange(treble_staff), bass_staff[1])
abjad.attach(abjad.Clef('treble'), treble_staff[0])
abjad.attach(abjad.Clef('bass'), bass_staff[0])
for leaf in abjad.iterate(score).leaves():
leaf.multiplier = (1, 4)
abjad.override(score).bar_line.stencil = False
abjad.override(score).span_bar.stencil = False
abjad.override(score).glissando.thickness = 2
abjad.override(score).time_signature.stencil = False
lilypond_file = abjad.LilyPondFile.new(score)
return lilypond_file
def __illustrate__(self):
r"""
Illustrates pitch range.
.. container:: example
>>> pitch_range = abjad.PitchRange('[C3, C7]')
>>> abjad.show(pitch_range) # doctest: +SKIP
.. docs::
>>> lilypond_file = pitch_range.__illustrate__()
>>> abjad.f(lilypond_file[abjad.Score])
\new Score
\with
{
\override BarLine.stencil = ##f
\override Glissando.thickness = #2
\override SpanBar.stencil = ##f
\override TimeSignature.stencil = ##f
}
<<
\new PianoStaff
<<
\context Staff = "Treble_Staff"
{
\clef "treble"
s1 * 1/4
s1 * 1/4
}
\context Staff = "Bass_Staff"
{
\clef "bass"
c1 * 1/4
\glissando
\change Staff = Treble_Staff
c''''1 * 1/4
}
>>
>>
Returns LilyPond file.
"""
import abjad
start_pitch_clef = abjad.Clef.from_selection(self.start_pitch)
stop_pitch_clef = abjad.Clef.from_selection(self.stop_pitch)
start_note = abjad.Note(self.start_pitch, 1)
stop_note = abjad.Note(self.stop_pitch, 1)
if start_pitch_clef == stop_pitch_clef:
if start_pitch_clef == abjad.Clef("bass"):
bass_staff = abjad.Staff()
abjad.attach(abjad.Clef("bass"), bass_staff)
bass_staff.extend([start_note, stop_note])
bass_leaves = abjad.select(bass_staff).leaves()
abjad.glissando(bass_leaves)
score = abjad.Score([bass_staff])
else:
treble_staff = abjad.Staff()
abjad.attach(abjad.Clef("treble"), treble_staff)
treble_staff.extend([start_note, stop_note])
treble_leaves = abjad.select(treble_staff).leaves()
abjad.glissando(treble_leaves)
score = abjad.Score([treble_staff])
else:
result = abjad.Score.make_piano_score()
score, treble_staff, bass_staff = result
bass_staff.extend([start_note, stop_note])
treble_staff.extend(abjad.Skip(1) * 2)
bass_leaves = abjad.select(bass_staff).leaves()
abjad.glissando(bass_leaves)
abjad.attach(abjad.StaffChange(treble_staff), bass_staff[1])
abjad.attach(abjad.Clef("treble"), treble_staff[0])
abjad.attach(abjad.Clef("bass"), bass_staff[0])
for leaf in abjad.iterate(score).leaves():
leaf.multiplier = (1, 4)
abjad.override(score).bar_line.stencil = False
abjad.override(score).span_bar.stencil = False
abjad.override(score).glissando.thickness = 2
abjad.override(score).time_signature.stencil = False
lilypond_file = abjad.LilyPondFile.new(score)
return lilypond_file
def test_mutate_extract_04():
"""
Extracts multiple containers.
"""
voice = abjad.Voice()
voice.append(abjad.Container("c'8 d'8"))
voice.append(abjad.Container("e'8 f'8"))
voice.append(abjad.Container("g'8 a'8"))
leaves = abjad.select(voice).leaves()
abjad.beam(leaves)
abjad.glissando(leaves)
assert abjad.lilypond(voice) == abjad.String.normalize(r"""
\new Voice
{
{
c'8
[
\glissando
d'8
\glissando
}
{
e'8
\glissando
f'8
\glissando
}
{
g'8
\glissando
a'8
]
}
}
"""), print(abjad.lilypond(voice))
containers = voice[:2]
for container in containers:
abjad.mutate.extract(container)
assert abjad.lilypond(voice) == abjad.String.normalize(r"""
\new Voice
{
c'8
[
\glissando
d'8
\glissando
e'8
\glissando
f'8
\glissando
{
g'8
\glissando
a'8
]
}
}
"""), print(abjad.lilypond(voice))
for container in containers:
assert not container
assert abjad.wf.wellformed(voice)
