Function _convert_offset_to_timedelta

xarray/core/resample_cftime.py:494–503

(
    offset: datetime.timedelta | str | BaseCFTimeOffset,
)

def _convert_offset_to_timedelta(
    offset: datetime.timedelta | str | BaseCFTimeOffset,
) -> datetime.timedelta:
    if isinstance(offset, datetime.timedelta):
        return offset
    if isinstance(offset, str | Tick):
        timedelta_cftime_offset = to_offset(offset)
        if isinstance(timedelta_cftime_offset, Tick):
            return timedelta_cftime_offset.as_timedelta()
    raise TypeError(f"Expected timedelta, str or Tick, got {type(offset)}")


def _ceil_via_cftimeindex(date: CFTimeDatetime, freq: str | BaseCFTimeOffset):