def test_delta_to_tick(): delta = timedelta(3) tick = delta_to_tick(delta) assert tick == offsets.Day(3) td = Timedelta(nanoseconds=5) tick = delta_to_tick(td) assert tick == Nano(5)
def raise_on_incompatible(left, right): """ Helper function to render a consistent error message when raising IncompatibleFrequency. Parameters ---------- left : PeriodArray right : None, DateOffset, Period, ndarray, or timedelta-like Returns ------- IncompatibleFrequency Exception to be raised by the caller. """ # GH#24283 error message format depends on whether right is scalar if isinstance(right, (np.ndarray, ABCTimedeltaArray)) or right is None: other_freq = None elif isinstance(right, (ABCPeriodIndex, PeriodArray, Period, BaseOffset)): other_freq = right.freqstr else: other_freq = delta_to_tick(Timedelta(right)).freqstr msg = DIFFERENT_FREQ.format(cls=type(left).__name__, own_freq=left.freqstr, other_freq=other_freq) return IncompatibleFrequency(msg)