Split container at index and do not fracture crossing spanners:
abjad> voice = Voice(Measure((3, 8), "c'8 c'8 c'8") * 2)
abjad> pitchtools.set_ascending_named_diatonic_pitches_on_nontied_pitched_components_in_expr(voice)
abjad> beam = spannertools.BeamSpanner(voice[:])
abjad> f(voice)
\new Voice {
{
\time 3/8
c'8 [
d'8
e'8
}
{
\time 3/8
f'8
g'8
a'8 ]
}
}
abjad> containertools.split_container_at_index_and_do_not_fracture_crossing_spanners(voice[1], 1)
(Measure(1/8, [f'8]), Measure(2/8, [g'8, a'8]))
abjad> f(voice)
\new Voice {
{
\time 3/8
c'8 [
d'8
e'8
}
{
\time 1/8
f'8
}
{
\time 2/8
g'8
a'8 ]
}
}
Leave spanners and leaves untouched.
Resize resizable containers.
Preserve container multiplier.
Preserve meter denominator.
Return split parts.
Changed in version 2.0: renamed split.unfractured_at_index() to containertools.split_container_at_index_and_do_not_fracture_crossing_spanners().