def __or__(self, expr):
r'''Logical OR of two payload expressions.
Payload expression must be able to fuse.
Returns timespan inventory.
'''
assert self._can_fuse(expr)
if isinstance(self.payload, containertools.Container):
selection = select(self.payload[0], contiguous=True)
left = mutationtools.mutate(selection).copy()[0]
selection = select(expr.payload[0], contiguous=True)
right = mutationtools.mutate(selection).copy()[0]
payload = containertools.Container([left, right])
for component in payload[:]:
component._extract()
payload = containertools.Container([payload])
else:
payload = self.payload + expr.payload
result = type(self)(
[],
start_offset=self.timespan.start_offset,
voice_name=self.voice_name,
)
result._payload = payload
return timespantools.TimespanInventory([result])
def from_selection(cls, selection, item_class=None, name=None):
r'''Initialize pitch segment from component selection:
::
>>> staff_1 = Staff("c'4 <d' fs' a'>4 b2")
>>> staff_2 = Staff("c4. r8 g2")
>>> selection = select((staff_1, staff_2))
>>> pitchtools.PitchSegment.from_selection(selection)
PitchSegment(["c'", "d'", "fs'", "a'", 'b', 'c', 'g'])
Returns pitch segment.
'''
from abjad.tools import iterationtools
from abjad.tools import pitchtools
from abjad.tools import selectiontools
if not isinstance(selection, selectiontools.Selection):
selection = selectiontools.select(selection)
named_pitches = []
for component in iterationtools.iterate_notes_and_chords_in_expr(
selection):
if hasattr(component, 'written_pitches'):
named_pitches.extend(component.written_pitches)
elif hasattr(component, 'written_pitch'):
named_pitches.append(component.written_pitch)
return cls(
tokens=named_pitches,
item_class=item_class,
name=name,
)
def add_double_bar(self):
r'''Add double bar to end of score.
>>> staff = Staff("c'4 d'4 e'4 f'4")
>>> score = Score([staff])
.. doctest::
>>> f(score)
\new Score <<
\new Staff {
c'4
d'4
e'4
f'4
}
>>
::
>>> show(score) # doctest: +SKIP
::
>>> score.add_double_bar()
BarLine('|.')(f'4)
.. doctest::
>>> f(score)
\new Score <<
\new Staff {
c'4
d'4
e'4
f'4
\bar "|."
}
>>
::
>>> show(score) # doctest: +SKIP
Returns bar line.
'''
from abjad.tools import leaftools
from abjad.tools import marktools
from abjad.tools import selectiontools
from abjad.tools.scoretools import attach
selection = selectiontools.select(self)
last_leaf = selection._get_component(leaftools.Leaf, -1)
double_bar = marktools.BarLine('|.')
attach(double_bar, last_leaf)
return double_bar
def get_one_indexed_measure_number_in_expr(expr, measure_number):
r'''Gets one-indexed `measure_number` in `expr`.
::
>>> staff = Staff("abj: | 2/8 c'8 d'8 || 2/8 e'8 f'8 || 2/8 g'8 a'8 |")
>>> show(staff) # doctest: +SKIP
.. doctest::
>>> f(staff)
\new Staff {
{
\time 2/8
c'8
d'8
}
{
e'8
f'8
}
{
g'8
a'8
}
}
::
>>> measuretools.get_one_indexed_measure_number_in_expr(staff, 3)
Measure(2/8, [g'8, a'8])
Note that measures number from ``1``.
'''
from abjad.tools import measuretools
from abjad.tools import selectiontools
# check input
if measure_number < 1:
raise ValueError('measure numbers allow only positive integers.')
# calculate measure index
measure_index = measure_number - 1
# return measure
selection = selectiontools.select(expr)
return selection._get_component(measuretools.Measure, measure_index)
def add_final_markup(self, markup, extra_offset=None):
r'''Add `markup` to end of score:
::
>>> staff = Staff("c'4 d'4 e'4 f'4")
>>> score = Score([staff])
>>> markup = r'\italic \right-column { "Bremen - Boston - LA." "Jul 2010 - May 2011." }'
>>> markup = markuptools.Markup(markup, Down)
>>> markup = score.add_final_markup(markup, extra_offset=(4, -2))
::
>>> print markup.storage_format
markuptools.Markup((
markuptools.MarkupCommand(
'italic',
markuptools.MarkupCommand(
'right-column',
[
'Bremen - Boston - LA.',
'Jul 2010 - May 2011.'
]
)
),
),
direction=Down
)
.. doctest::
>>> f(score)
\new Score <<
\new Staff {
c'4
d'4
e'4
\once \override TextScript #'extra-offset = #'(4 . -2)
f'4 _ \markup {
\italic
\right-column
{
"Bremen - Boston - LA."
"Jul 2010 - May 2011."
}
}
}
>>
::
>>> show(staff) # doctest: +SKIP
Return `markup`.
'''
from abjad.tools import markuptools
from abjad.tools import leaftools
from abjad.tools import selectiontools
from abjad.tools.scoretools import attach
selection = selectiontools.select(self)
last_leaf = selection._get_component(leaftools.Leaf, -1)
# TODO: copy markup direction from markup input
markup = markup = markuptools.Markup(markup, Down)
attach(markup, last_leaf)
if extra_offset is not None:
last_leaf.override.text_script.extra_offset = extra_offset
return markup
def _split(
self,
durations,
cyclic=False,
fracture_spanners=False,
tie_split_notes=True,
):
from abjad.tools import iterationtools
from abjad.tools import pitchtools
from abjad.tools import selectiontools
from abjad.tools import spannertools
durations = [durationtools.Duration(x) for x in durations]
if cyclic:
durations = sequencetools.repeat_sequence_to_weight_exactly(
durations, self._get_duration())
durations = [durationtools.Duration(x) for x in durations]
if sum(durations) < self._get_duration():
last_duration = self._get_duration() - sum(durations)
durations.append(last_duration)
sequencetools.truncate_sequence_to_weight(
durations, self._get_duration())
result = []
leaf_prolation = self._get_parentage(include_self=False).prolation
leaf_copy = copy.copy(self)
for duration in durations:
new_leaf = copy.copy(self)
preprolated_duration = duration / leaf_prolation
shard = new_leaf._set_duration(preprolated_duration)
shard = [x._get_parentage().root for x in shard]
result.append(shard)
flattened_result = sequencetools.flatten_sequence(result)
flattened_result = selectiontools.SliceSelection(flattened_result)
spanner_classes = (spannertools.TieSpanner,)
parentage = self._get_parentage()
if parentage._get_spanners(spanner_classes=spanner_classes):
selection = selectiontools.select(flattened_result)
for component in selection:
for mark in component._get_spanners(
spanner_classes=spanner_classes):
mark.detach()
# replace leaf with flattened result
selection = selectiontools.SliceSelection(self)
parent, start, stop = selection._get_parent_and_start_stop_indices()
if parent:
parent.__setitem__(slice(start, stop + 1), flattened_result)
else:
selection._give_dominant_spanners(flattened_result)
selection._withdraw_from_crossing_spanners()
# fracture spanners
if fracture_spanners:
first_shard = result[0]
for spanner in first_shard[-1]._get_spanners():
index = spanner.index(first_shard[-1])
spanner.fracture(index, direction=Right)
last_shard = result[-1]
for spanner in last_shard[0]._get_spanners():
index = spanner.index(last_shard[0])
spanner.fracture(index, direction=Left)
for middle_shard in result[1:-1]:
for spanner in middle_shard[0]._get_spanners():
index = spanner.index(middle_shard[0])
spanner.fracture(index, direction=Left)
for spanner in middle_shard[-1]._get_spanners():
index = spanner.index(middle_shard[-1])
spanner.fracture(index, direction=Right)
# adjust first leaf
first_leaf = flattened_result[0]
self._detach_grace_containers(kind='after')
# adjust any middle leaves
for middle_leaf in flattened_result[1:-1]:
middle_leaf._detach_grace_containers(kind='grace')
self._detach_grace_containers(kind='after')
for mark in middle_leaf._get_marks():
mark.detach()
# adjust last leaf
last_leaf = flattened_result[-1]
last_leaf._detach_grace_containers(kind='grace')
for mark in last_leaf._get_marks():
mark.detach()
# tie split notes, rests and chords as specified
if pitchtools.Pitch.is_pitch_carrier(self) and tie_split_notes:
flattened_result_leaves = iterationtools.iterate_leaves_in_expr(
flattened_result)
# TODO: implement SliceSelection._attach_tie_spanner_to_leaves()
for leaf_pair in sequencetools.iterate_sequence_pairwise_strict(
flattened_result_leaves):
selection = selectiontools.ContiguousSelection(leaf_pair)
selection._attach_tie_spanner_to_leaf_pair()
# return result
return result
