Python Timedelta.is_absolute示例

示例#1

文件： test_timedelta.py 项目： zwcdp/featuretools

def test_delta_with_observations(es):
    four_delta = Timedelta(4, 'observations', 'log')
    assert not four_delta.is_absolute()
    assert four_delta.value == 4

    neg_four_delta = -four_delta
    assert not neg_four_delta.is_absolute()
    assert neg_four_delta.value == -4

示例#2

文件： test_timedelta.py 项目： yszoke/PredictionSystem

def test_delta_with_observations(es):
    four_delta = Timedelta(4, 'observations')
    assert not four_delta.is_absolute()
    assert four_delta.get_value('o') == 4

    neg_four_delta = -four_delta
    assert not neg_four_delta.is_absolute()
    assert neg_four_delta.get_value('o') == -4

    time = pd.to_datetime('2019-05-01')

    error_txt = 'Invalid unit'
    with pytest.raises(Exception, match=error_txt):
        time + four_delta

    with pytest.raises(Exception, match=error_txt):
        time - four_delta