Exemplo n.º 1
0
    def indexer_between_time(self,
                             start_time,
                             end_time,
                             include_start=True,
                             include_end=True):
        """
        Return index locations of values between particular times of day
        (e.g., 9:00-9:30AM).

        Parameters
        ----------
        start_time, end_time : datetime.time, str
            datetime.time or string in appropriate format ("%H:%M", "%H%M",
            "%I:%M%p", "%I%M%p", "%H:%M:%S", "%H%M%S", "%I:%M:%S%p",
            "%I%M%S%p").
        include_start : bool, default True
        include_end : bool, default True

        Returns
        -------
        values_between_time : array of integers

        See Also
        --------
        indexer_at_time : Get index locations of values at particular time of day.
        DataFrame.between_time : Select values between particular times of day.
        """
        start_time = tools.to_time(start_time)
        end_time = tools.to_time(end_time)
        time_micros = self._get_time_micros()
        start_micros = _time_to_micros(start_time)
        end_micros = _time_to_micros(end_time)

        if include_start and include_end:
            lop = rop = operator.le
        elif include_start:
            lop = operator.le
            rop = operator.lt
        elif include_end:
            lop = operator.lt
            rop = operator.le
        else:
            lop = rop = operator.lt

        if start_time <= end_time:
            join_op = operator.and_
        else:
            join_op = operator.or_

        mask = join_op(lop(start_micros, time_micros),
                       rop(time_micros, end_micros))

        return mask.nonzero()[0]
Exemplo n.º 2
0
    def test_parsers_time(self):
        # GH#11818
        strings = [
            "14:15",
            "1415",
            "2:15pm",
            "0215pm",
            "14:15:00",
            "141500",
            "2:15:00pm",
            "021500pm",
            time(14, 15),
        ]
        expected = time(14, 15)

        for time_string in strings:
            assert to_time(time_string) == expected

        new_string = "14.15"
        msg = r"Cannot convert arg \['14\.15'\] to a time"
        with pytest.raises(ValueError, match=msg):
            to_time(new_string)
        assert to_time(new_string, format="%H.%M") == expected

        arg = ["14:15", "20:20"]
        expected_arr = [time(14, 15), time(20, 20)]
        assert to_time(arg) == expected_arr
        assert to_time(arg, format="%H:%M") == expected_arr
        assert to_time(arg, infer_time_format=True) == expected_arr
        assert to_time(arg, format="%I:%M%p", errors="coerce") == [None, None]

        res = to_time(arg, format="%I:%M%p", errors="ignore")
        tm.assert_numpy_array_equal(res, np.array(arg, dtype=np.object_))

        with pytest.raises(ValueError):
            to_time(arg, format="%I:%M%p", errors="raise")

        tm.assert_series_equal(
            to_time(Series(arg, name="test")), Series(expected_arr, name="test")
        )

        res = to_time(np.array(arg))
        assert isinstance(res, list)
        assert res == expected_arr