polyfemos.almanac.ordinal.Ordinal¶

class polyfemos.almanac.ordinal.Ordinal(*args, **kwargs)[source]¶

A class for treating dates as years and days of the year, with a precicion of 1 day.

Public Methods

__init__(*args, **kwargs)[source]¶

If no arguments are given, returns the current date, at 12am UTC

see UTCDateTime for more information about the args and kwargs

getstr(sep='-')[source]¶

Parameters: sep (str, optional) – defaults to hyphen
Return type: str
Returns: A string representation of the date, year and the day of the year, separated with sep.

static range(starttime, endtime, step=1)[source]¶

A static method

Alternatively, starttime and endtime can be given as datatypes accepted by UTCDateTime constructor.

Parameters

starttime (Ordinal) –
endtime (Ordinal) –
step (int, optional) – defaults to 1, the step size of the date sequence in days.

Return type

generator

Returns

A generator yielding Ordinal dates between starttime and endtime, including both.

shiftdays(a)[source]¶

till(endtime, step=1)[source]¶

See range() for more info.

Parameters

endtime (Ordinal) –
step (int, optional) – defaults to 1, the step size of the date sequence in days.

Return type

generator

Returns

A generator yielding Ordinal dates between self and endtime, including both.

static today()[source]¶

A static method

utcdatetime()[source]¶

Special Methods

__format__(a)[source]¶

Adds a possibility to use python’s format function

>>> "{}".format(Ordinal)

__iadd__(a)[source]¶

Adds a days to the current date

__isub__(a)[source]¶

Substracts a days from the current date

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