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Module « pandas »

Classe « Timestamp »

Informations générales

Héritage

builtins.object
    date
        datetime
            ABCTimestamp
                _Timestamp
                    Timestamp

Définition

class Timestamp(_Timestamp):

help(Timestamp)

    Pandas replacement for python datetime.datetime object.

    Timestamp is the pandas equivalent of python's Datetime
    and is interchangeable with it in most cases. It's the type used
    for the entries that make up a DatetimeIndex, and other timeseries
    oriented data structures in pandas.

    Parameters
    ----------
    ts_input : datetime-like, str, int, float
        Value to be converted to Timestamp.
    year, month, day : int
    hour, minute, second, microsecond : int, optional, default 0
    tzinfo : datetime.tzinfo, optional, default None
    nanosecond : int, optional, default 0
    tz : str, pytz.timezone, dateutil.tz.tzfile or None
        Time zone for time which Timestamp will have.
    unit : str
        Unit used for conversion if ts_input is of type int or float. The
        valid values are 'D', 'h', 'm', 's', 'ms', 'us', and 'ns'. For
        example, 's' means seconds and 'ms' means milliseconds.

        For float inputs, the result will be stored in nanoseconds, and
        the unit attribute will be set as ``'ns'``.
    fold : {0, 1}, default None, keyword-only
        Due to daylight saving time, one wall clock time can occur twice
        when shifting from summer to winter time; fold describes whether the
        datetime-like corresponds  to the first (0) or the second time (1)
        the wall clock hits the ambiguous time.

    Notes
    -----
    There are essentially three calling conventions for the constructor. The
    primary form accepts four parameters. They can be passed by position or
    keyword.

    The other two forms mimic the parameters from ``datetime.datetime``. They
    can be passed by either position or keyword, but not both mixed together.

    Examples
    --------
    Using the primary calling convention:

    This converts a datetime-like string

    >>> pd.Timestamp('2017-01-01T12')
    Timestamp('2017-01-01 12:00:00')

    This converts a float representing a Unix epoch in units of seconds

    >>> pd.Timestamp(1513393355.5, unit='s')
    Timestamp('2017-12-16 03:02:35.500000')

    This converts an int representing a Unix-epoch in units of seconds
    and for a particular timezone

    >>> pd.Timestamp(1513393355, unit='s', tz='US/Pacific')
    Timestamp('2017-12-15 19:02:35-0800', tz='US/Pacific')

    Using the other two forms that mimic the API for ``datetime.datetime``:

    >>> pd.Timestamp(2017, 1, 1, 12)
    Timestamp('2017-01-01 12:00:00')

    >>> pd.Timestamp(year=2017, month=1, day=1, hour=12)
    Timestamp('2017-01-01 12:00:00')
    

Constructeur(s)

Signature du constructeur	Description
__new__(cls, ts_input=<object object at 0x0000020D9A5709B0>, year=None, month=None, day=None, hour=None, minute=None, second=None, microsecond=None, tzinfo=None, *, nanosecond=None, tz=None, unit=None, fold=None)
__init__(self, /, *args, **kwargs)	Initialize self. See help(type(self)) for accurate signature. [extrait de __init__.__doc__]

Attributs statiques hérités de la classe _Timestamp

asm8, day_of_week, day_of_year, dayofweek, dayofyear, days_in_month, is_leap_year, is_month_end, is_month_start, is_quarter_end, is_quarter_start, is_year_end, is_year_start, nanosecond, quarter, unit, value, week, year

Attributs statiques hérités de la classe datetime

fold, hour, microsecond, minute, second, tzinfo

Attributs statiques hérités de la classe date

day, month

Liste des opérateurs

Opérateurs hérités de la classe _Timestamp

__add__, __eq__, __ge__, __gt__, __le__, __lt__, __ne__, __radd__, __rsub__, __sub__

Méthodes héritées de la classe _Timestamp

__hash__, __init_subclass__, __reduce__, __reduce_ex__, __repr__, __setstate__, __subclasshook__, as_unit, day_name, isoformat, month_name, normalize, timestamp, to_datetime64, to_numpy, to_period, to_pydatetime

Méthodes héritées de la classe ABCTimestamp

__reduce_cython__, __setstate_cython__

Méthodes héritées de la classe datetime

__replace__, __str__

Méthodes héritées de la classe date

__format__, __replace__, __str__

Méthodes héritées de la classe object

__delattr__, __dir__, __format__, __getattribute__, __getstate__, __setattr__, __sizeof__, __str__

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