Python pandas._libs.tslib.normalize_date() Examples

The following are 8 code examples of pandas._libs.tslib.normalize_date(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pandas._libs.tslib , or try the search function .
Example #1
Source File: date_range.py    From mars with Apache License 2.0 6 votes vote down vote up 
def _maybe_normalize_endpoints(start, end, normalize):  # pragma: no cover
    _normalized = True

    if start is not None:
        if normalize:
            start = normalize_date(start)
            _normalized = True
        else:
            _normalized = _normalized and start.time() == _midnight

    if end is not None:
        if normalize:
            end = normalize_date(end)
            _normalized = True
        else:
            _normalized = _normalized and end.time() == _midnight

    return start, end, _normalized
Example #2
Source File: date_range.py    From mars with Apache License 2.0 5 votes vote down vote up 
def normalize_date(dt):  # from pandas/_libs/tslibs/conversion.pyx
        if isinstance(dt, datetime):
            if isinstance(dt, pd.Timestamp):
                return dt.replace(hour=0, minute=0, second=0, microsecond=0,
                                  nanosecond=0)
            else:
                return dt.replace(hour=0, minute=0, second=0, microsecond=0)
        elif isinstance(dt, date):
            return datetime(dt.year, dt.month, dt.day)
        else:
            raise TypeError('Unrecognized type: %r' % type(dt))
Example #3
Source File: test_tools.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_normalize_date():
    value = date(2012, 9, 7)

    result = tslib.normalize_date(value)
    assert (result == datetime(2012, 9, 7))

    value = datetime(2012, 9, 7, 12)

    result = tslib.normalize_date(value)
    assert (result == datetime(2012, 9, 7))
Example #4
Source File: test_offsets.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_normalize_date():
    actual = normalize_date(datetime(2007, 10, 1, 1, 12, 5, 10))
    assert actual == datetime(2007, 10, 1)
Example #5
Source File: test_tools.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_normalize_date():
    value = date(2012, 9, 7)

    result = tslib.normalize_date(value)
    assert (result == datetime(2012, 9, 7))

    value = datetime(2012, 9, 7, 12)

    result = tslib.normalize_date(value)
    assert (result == datetime(2012, 9, 7))
Example #6
Source File: test_offsets.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_normalize_date():
    actual = normalize_date(datetime(2007, 10, 1, 1, 12, 5, 10))
    assert actual == datetime(2007, 10, 1)
Example #7
Source File: offsets.py    From vnpy_crypto with MIT License 4 votes vote down vote up 
def apply_wraps(func):
    @functools.wraps(func)
    def wrapper(self, other):
        if other is tslib.NaT:
            return tslib.NaT
        elif isinstance(other, (timedelta, Tick, DateOffset)):
            # timedelta path
            return func(self, other)
        elif isinstance(other, (np.datetime64, datetime, date)):
            other = as_timestamp(other)

        tz = getattr(other, 'tzinfo', None)
        nano = getattr(other, 'nanosecond', 0)

        try:
            if self._adjust_dst and isinstance(other, Timestamp):
                other = other.tz_localize(None)

            result = func(self, other)

            if self._adjust_dst:
                result = tslib._localize_pydatetime(result, tz)

            result = Timestamp(result)
            if self.normalize:
                result = result.normalize()

            # nanosecond may be deleted depending on offset process
            if not self.normalize and nano != 0:
                if not isinstance(self, Nano) and result.nanosecond != nano:
                    if result.tz is not None:
                        # convert to UTC
                        value = tslib.tz_convert_single(
                            result.value, 'UTC', result.tz)
                    else:
                        value = result.value
                    result = Timestamp(value + nano)

            if tz is not None and result.tzinfo is None:
                result = tslib._localize_pydatetime(result, tz)

        except OutOfBoundsDatetime:
            result = func(self, as_datetime(other))

            if self.normalize:
                # normalize_date returns normal datetime
                result = tslib.normalize_date(result)

            if tz is not None and result.tzinfo is None:
                result = tslib._localize_pydatetime(result, tz)

        return result
    return wrapper
Example #8
Source File: offsets.py    From twitter-stock-recommendation with MIT License 4 votes vote down vote up 
def apply_wraps(func):
    @functools.wraps(func)
    def wrapper(self, other):
        if other is tslib.NaT:
            return tslib.NaT
        elif isinstance(other, (timedelta, Tick, DateOffset)):
            # timedelta path
            return func(self, other)
        elif isinstance(other, (np.datetime64, datetime, date)):
            other = as_timestamp(other)

        tz = getattr(other, 'tzinfo', None)
        nano = getattr(other, 'nanosecond', 0)

        try:
            if self._adjust_dst and isinstance(other, Timestamp):
                other = other.tz_localize(None)

            result = func(self, other)

            if self._adjust_dst:
                result = tslib._localize_pydatetime(result, tz)

            result = Timestamp(result)
            if self.normalize:
                result = result.normalize()

            # nanosecond may be deleted depending on offset process
            if not self.normalize and nano != 0:
                if not isinstance(self, Nano) and result.nanosecond != nano:
                    if result.tz is not None:
                        # convert to UTC
                        value = tslib.tz_convert_single(
                            result.value, 'UTC', result.tz)
                    else:
                        value = result.value
                    result = Timestamp(value + nano)

            if tz is not None and result.tzinfo is None:
                result = tslib._localize_pydatetime(result, tz)

        except OutOfBoundsDatetime:
            result = func(self, as_datetime(other))

            if self.normalize:
                # normalize_date returns normal datetime
                result = tslib.normalize_date(result)

            if tz is not None and result.tzinfo is None:
                result = tslib._localize_pydatetime(result, tz)

        return result
    return wrapper