Python offsets.Day方法代码示例

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_with_local_timezone_pytz(self):
        # see gh-5430
        local_timezone = pytz.timezone('America/Los_Angeles')

        start = datetime(year=2013, month=11, day=1, hour=0, minute=0,
                         tzinfo=pytz.utc)
        # 1 day later
        end = datetime(year=2013, month=11, day=2, hour=0, minute=0,
                       tzinfo=pytz.utc)

        index = pd.date_range(start, end, freq='H')

        series = Series(1, index=index)
        series = series.tz_convert(local_timezone)
        result = series.resample('D', kind='period').mean()

        # Create the expected series
        # Index is moved back a day with the timezone conversion from UTC to
        # Pacific
        expected_index = (pd.period_range(start=start, end=end, freq='D') -
                          offsets.Day())
        expected = Series(1, index=expected_index)
        assert_series_equal(result, expected) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_roll_date_object(self):
        offset = BDay()

        dt = date(2012, 9, 15)

        result = offset.rollback(dt)
        assert result == datetime(2012, 9, 14)

        result = offset.rollforward(dt)
        assert result == datetime(2012, 9, 17)

        offset = offsets.Day()
        result = offset.rollback(dt)
        assert result == datetime(2012, 9, 15)

        result = offset.rollforward(dt)
        assert result == datetime(2012, 9, 15) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_with_local_timezone_dateutil(self):
        # see gh-5430
        local_timezone = 'dateutil/America/Los_Angeles'

        start = datetime(year=2013, month=11, day=1, hour=0, minute=0,
                         tzinfo=dateutil.tz.tzutc())
        # 1 day later
        end = datetime(year=2013, month=11, day=2, hour=0, minute=0,
                       tzinfo=dateutil.tz.tzutc())

        index = pd.date_range(start, end, freq='H', name='idx')

        series = Series(1, index=index)
        series = series.tz_convert(local_timezone)
        result = series.resample('D', kind='period').mean()

        # Create the expected series
        # Index is moved back a day with the timezone conversion from UTC to
        # Pacific
        expected_index = (pd.period_range(start=start, end=end, freq='D',
                                          name='idx') - offsets.Day())
        expected = Series(1, index=expected_index)
        assert_series_equal(result, expected) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def compare_series_ts(result, expected, typ, version):
    # GH 7748
    tm.assert_series_equal(result, expected)
    assert result.index.freq == expected.index.freq
    assert not result.index.freq.normalize
    tm.assert_series_equal(result > 0, expected > 0)

    # GH 9291
    freq = result.index.freq
    assert freq + Day(1) == Day(2)

    res = freq + pd.Timedelta(hours=1)
    assert isinstance(res, pd.Timedelta)
    assert res == pd.Timedelta(days=1, hours=1)

    res = freq + pd.Timedelta(nanoseconds=1)
    assert isinstance(res, pd.Timedelta)
    assert res == pd.Timedelta(days=1, nanoseconds=1) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def compare_series_ts(result, expected, typ, version):
    # GH 7748
    tm.assert_series_equal(result, expected)
    assert result.index.freq == expected.index.freq
    assert not result.index.freq.normalize
    tm.assert_series_equal(result > 0, expected > 0)

    # GH 9291
    freq = result.index.freq
    assert freq + Day(1) == Day(2)

    res = freq + pandas.Timedelta(hours=1)
    assert isinstance(res, pandas.Timedelta)
    assert res == pandas.Timedelta(days=1, hours=1)

    res = freq + pandas.Timedelta(nanoseconds=1)
    assert isinstance(res, pandas.Timedelta)
    assert res == pandas.Timedelta(days=1, nanoseconds=1) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_roll_date_object(self):
        offset = BDay()

        dt = date(2012, 9, 15)

        result = offset.rollback(dt)
        self.assertEqual(result, datetime(2012, 9, 14))

        result = offset.rollforward(dt)
        self.assertEqual(result, datetime(2012, 9, 17))

        offset = offsets.Day()
        result = offset.rollback(dt)
        self.assertEqual(result, datetime(2012, 9, 15))

        result = offset.rollforward(dt)
        self.assertEqual(result, datetime(2012, 9, 15)) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def european_labour_day(start_date=None,
                        end_date=None,
                        observance=None,
                        days_of_week=None):
    return Holiday(
        "Labour Day",
        month=5,
        day=1,
        start_date=start_date,
        end_date=end_date,
        observance=observance,
        days_of_week=days_of_week,
    )


# Holy Wednesday, Maundy Thursday, Ascension Day, Whit Monday, and Corpus
# Christi do not take observance as a parameter because they depend on a
# particular offset, and offset and observance cannot both be passed to a
# Holiday. 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def chinese_national_day(start_date=None, end_date=None, observance=None):
    return Holiday(
        "Chinese National Day",
        month=10,
        day=1,
        start_date=start_date,
        end_date=end_date,
        observance=observance,
    )


# Precomputed Chinese Lunar Year dates.
#
# See Also
# --------
# trading_calendars/etc/lunisolar chinese-new-year 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_timedelta_range(self):

        expected = to_timedelta(np.arange(5), unit='D')
        result = timedelta_range('0 days', periods=5, freq='D')
        tm.assert_index_equal(result, expected)

        expected = to_timedelta(np.arange(11), unit='D')
        result = timedelta_range('0 days', '10 days', freq='D')
        tm.assert_index_equal(result, expected)

        expected = to_timedelta(np.arange(5), unit='D') + Second(2) + Day()
        result = timedelta_range('1 days, 00:00:02', '5 days, 00:00:02',
                                 freq='D')
        tm.assert_index_equal(result, expected)

        expected = to_timedelta([1, 3, 5, 7, 9], unit='D') + Second(2)
        result = timedelta_range('1 days, 00:00:02', periods=5, freq='2D')
        tm.assert_index_equal(result, expected)

        expected = to_timedelta(np.arange(50), unit='T') * 30
        result = timedelta_range('0 days', freq='30T', periods=50)
        tm.assert_index_equal(result, expected)

        # GH 11776
        arr = np.arange(10).reshape(2, 5)
        df = pd.DataFrame(np.arange(10).reshape(2, 5))
        for arg in (arr, df):
            with pytest.raises(TypeError, match="1-d array"):
                to_timedelta(arg)
            for errors in ['ignore', 'raise', 'coerce']:
                with pytest.raises(TypeError, match="1-d array"):
                    to_timedelta(arg, errors=errors)

        # issue10583
        df = pd.DataFrame(np.random.normal(size=(10, 4)))
        df.index = pd.timedelta_range(start='0s', periods=10, freq='s')
        expected = df.loc[pd.Timedelta('0s'):, :]
        result = df.loc['0s':, :]
        tm.assert_frame_equal(expected, result) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_constructor_coverage(self):
        # float value for periods
        expected = interval_range(start=0, periods=10)
        result = interval_range(start=0, periods=10.5)
        tm.assert_index_equal(result, expected)

        # equivalent timestamp-like start/end
        start, end = Timestamp('2017-01-01'), Timestamp('2017-01-15')
        expected = interval_range(start=start, end=end)

        result = interval_range(start=start.to_pydatetime(),
                                end=end.to_pydatetime())
        tm.assert_index_equal(result, expected)

        result = interval_range(start=start.asm8, end=end.asm8)
        tm.assert_index_equal(result, expected)

        # equivalent freq with timestamp
        equiv_freq = ['D', Day(), Timedelta(days=1), timedelta(days=1),
                      DateOffset(days=1)]
        for freq in equiv_freq:
            result = interval_range(start=start, end=end, freq=freq)
            tm.assert_index_equal(result, expected)

        # equivalent timedelta-like start/end
        start, end = Timedelta(days=1), Timedelta(days=10)
        expected = interval_range(start=start, end=end)

        result = interval_range(start=start.to_pytimedelta(),
                                end=end.to_pytimedelta())
        tm.assert_index_equal(result, expected)

        result = interval_range(start=start.asm8, end=end.asm8)
        tm.assert_index_equal(result, expected)

        # equivalent freq with timedelta
        equiv_freq = ['D', Day(), Timedelta(days=1), timedelta(days=1)]
        for freq in equiv_freq:
            result = interval_range(start=start, end=end, freq=freq)
            tm.assert_index_equal(result, expected) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_qcut_nat(ser):
    # see gh-19768
    intervals = IntervalIndex.from_tuples([
        (ser[0] - Nano(), ser[2] - Day()),
        np.nan, (ser[2] - Day(), ser[2])])
    expected = Series(Categorical(intervals, ordered=True))

    result = qcut(ser, 2)
    tm.assert_series_equal(result, expected) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_pickle_v0_15_2(self, datapath):
        offsets = {'DateOffset': DateOffset(years=1),
                   'MonthBegin': MonthBegin(1),
                   'Day': Day(1),
                   'YearBegin': YearBegin(1),
                   'Week': Week(1)}

        pickle_path = datapath('tseries', 'offsets', 'data',
                               'dateoffset_0_15_2.pickle')
        # This code was executed once on v0.15.2 to generate the pickle:
        # with open(pickle_path, 'wb') as f: pickle.dump(offsets, f)
        #
        tm.assert_dict_equal(offsets, read_pickle(pickle_path)) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_corner(self):
        with pytest.raises(ValueError):
            Week(weekday=7)

        with pytest.raises(ValueError, match="Day must be"):
            Week(weekday=-1) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_constructor(self):
        with pytest.raises(ValueError, match="^Week"):
            WeekOfMonth(n=1, week=4, weekday=0)

        with pytest.raises(ValueError, match="^Week"):
            WeekOfMonth(n=1, week=-1, weekday=0)

        with pytest.raises(ValueError, match="^Day"):
            WeekOfMonth(n=1, week=0, weekday=-1)

        with pytest.raises(ValueError, match="^Day"):
            WeekOfMonth(n=1, week=0, weekday=-7) 

# 需要导入模块: from pandas.tseries import offsets [as 别名]
# 或者: from pandas.tseries.offsets import Day [as 别名]
def test_delta_to_tick():
    delta = timedelta(3)

    tick = offsets._delta_to_tick(delta)
    assert (tick == offsets.Day(3))

    td = Timedelta(nanoseconds=5)
    tick = offsets._delta_to_tick(td)
    assert tick == Nano(5)