def __init__(
self,
source_expression=None,
target_timespan=None,
scope_name=None,
fresh=None,
):
TimespanScopedSingleContextSetExpression.__init__(
self,
attribute='rhythm',
source_expression=source_expression,
target_timespan=target_timespan,
scope_name=scope_name,
fresh=fresh,
)
def __init__(
self,
source_expression=None,
target_timespan=None,
scope_name=None,
fresh=None,
):
TimespanScopedSingleContextSetExpression.__init__(
self,
attribute='rhythm',
source_expression=source_expression,
target_timespan=target_timespan,
scope_name=scope_name,
fresh=fresh,
)
def __init__(self,
source_expression=None,
target_timespan=None,
scope_name=None,
fresh=None,
truncate=None,
):
TimespanScopedSingleContextSetExpression.__init__(
self,
attribute='divisions',
source_expression=source_expression,
target_timespan=target_timespan,
scope_name=scope_name,
fresh=fresh,
)
assert isinstance(truncate, (bool, type(None))), repr(truncate)
self._truncate = truncate
def __sub__(self, timespan):
r'''Subtract `timespan` from timespan-delimited single-context
rhythm set expression.
>>> source_expression = \
... musicexpressiontools.StartPositionedRhythmPayloadExpression(
... "{ c'16 [ c'8 ] }", start_offset=0)
>>> timespan = timespantools.Timespan(0, 20)
>>> timespan_delimited_single_context_rhythm_set_expression = \
... musicexpressiontools.TimespanScopedSingleContextRhythmSetExpression(
... source_expression, timespan, 'Voice 1')
::
>>> result = timespan_delimited_single_context_rhythm_set_expression - timespantools.Timespan(5, 15)
::
>>> print(format(result))
musicexpressiontools.TimespanScopedSingleContextSetExpressionInventory(
[
musicexpressiontools.TimespanScopedSingleContextRhythmSetExpression(
source_expression=musicexpressiontools.StartPositionedRhythmPayloadExpression(
payload=scoretools.Container(
"{ c'16 [ c'8 ] }"
),
start_offset=durationtools.Offset(0, 1),
),
target_timespan=timespantools.Timespan(
start_offset=durationtools.Offset(0, 1),
stop_offset=durationtools.Offset(5, 1),
),
scope_name='Voice 1',
),
musicexpressiontools.TimespanScopedSingleContextRhythmSetExpression(
source_expression=musicexpressiontools.StartPositionedRhythmPayloadExpression(
payload=scoretools.Container(
"{ c'16 [ c'8 ] }"
),
start_offset=durationtools.Offset(0, 1),
),
target_timespan=timespantools.Timespan(
start_offset=durationtools.Offset(15, 1),
stop_offset=durationtools.Offset(20, 1),
),
scope_name='Voice 1',
),
]
)
Returns timespan-delimited single-context set expression inventory.
'''
return TimespanScopedSingleContextSetExpression.__sub__(self, timespan)
def __sub__(self, timespan):
r'''Subtract `timespan` from timespan-delimited single-context
rhythm set expression.
>>> source_expression = \
... musicexpressiontools.StartPositionedRhythmPayloadExpression(
... "{ c'16 [ c'8 ] }", start_offset=0)
>>> timespan = timespantools.Timespan(0, 20)
>>> timespan_delimited_single_context_rhythm_set_expression = \
... musicexpressiontools.TimespanScopedSingleContextRhythmSetExpression(
... source_expression, timespan, 'Voice 1')
::
>>> result = timespan_delimited_single_context_rhythm_set_expression - timespantools.Timespan(5, 15)
::
>>> print(format(result))
musicexpressiontools.TimespanScopedSingleContextSetExpressionInventory(
[
musicexpressiontools.TimespanScopedSingleContextRhythmSetExpression(
source_expression=musicexpressiontools.StartPositionedRhythmPayloadExpression(
payload=scoretools.Container(
"{ c'16 [ c'8 ] }"
),
start_offset=durationtools.Offset(0, 1),
),
target_timespan=timespantools.Timespan(
start_offset=durationtools.Offset(0, 1),
stop_offset=durationtools.Offset(5, 1),
),
scope_name='Voice 1',
),
musicexpressiontools.TimespanScopedSingleContextRhythmSetExpression(
source_expression=musicexpressiontools.StartPositionedRhythmPayloadExpression(
payload=scoretools.Container(
"{ c'16 [ c'8 ] }"
),
start_offset=durationtools.Offset(0, 1),
),
target_timespan=timespantools.Timespan(
start_offset=durationtools.Offset(15, 1),
stop_offset=durationtools.Offset(20, 1),
),
scope_name='Voice 1',
),
]
)
Returns timespan-delimited single-context set expression inventory.
'''
return TimespanScopedSingleContextSetExpression.__sub__(self, timespan)
