Change nonbinary meter to binary meter:
abjad> from abjad.tools import timesignaturetools
abjad> timesignaturetools.time_signature_to_binary_time_signature(contexttools.TimeSignatureMark((3, 12)))
TimeSignatureMark((2, 8))
Preserve binary meter:
abjad> timesignaturetools.time_signature_to_binary_time_signature(contexttools.TimeSignatureMark((2, 8)))
TimeSignatureMark((2, 8))
Return newly constructed meter.
Changed in version 2.0: renamed timesignaturetools.make_binary() to timesignaturetools.time_signature_to_binary_time_signature().