def __call__(self, q_events):
r'''Calls concatenating grace handler.
'''
from abjad.tools import quantizationtools
grace_events, final_event = q_events[:-1], q_events[-1]
if isinstance(final_event, quantizationtools.PitchedQEvent):
pitches = final_event.pitches
else:
pitches = ()
if grace_events:
grace_container = scoretools.GraceContainer()
for q_event in grace_events:
if isinstance(q_event, quantizationtools.PitchedQEvent):
if len(q_event.pitches) == 1:
leaf = scoretools.Note(q_event.pitches[0],
self.grace_duration)
else:
leaf = scoretools.Chord(q_event.pitches,
self.grace_duration)
else:
leaf = scoretools.Rest(self.grace_duration)
grace_container.append(leaf)
else:
grace_container = None
return pitches, grace_container
def grace(self, music):
r'''Handles LilyPond ``\grace`` command.
'''
assert isinstance(music, scoretools.Container)
leaves = music[:]
music[:] = []
return scoretools.GraceContainer(leaves)
def grace(self, music):
r'''Handles LilyPond ``\grace`` command.
'''
return scoretools.GraceContainer(music[:])
def appoggiatura(self, music):
r'''Handles LilyPond ``\appoggiatura`` command.
'''
grace = scoretools.GraceContainer(music[:])
grace.kind = 'appoggiatura'
return grace
def slashed_grace_container(self, music):
r'''Handles LilyPond ``\slahsedGrace`` command.
'''
grace = scoretools.GraceContainer(music[:])
grace.kind = 'slashedGrace'
return grace
