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Name	Size	Permission	Date
parser	[ DIR ]	drwxr-xr-x	2020-12-19 05:30
tz	[ DIR ]	drwxr-xr-x	2020-12-19 05:30
zoneinfo	[ DIR ]	drwxr-xr-x	2024-02-09 23:57
_common.py	932 B	-rw-r--r--	2020-12-19 05:30
_common.pyc	1.8 KB	-rw-r--r--	2020-12-19 05:30
_version.py	116 B	-rw-r--r--	2020-12-19 05:30
_version.pyc	168 B	-rw-r--r--	2020-12-19 05:30
utils.py	1.91 KB	-rw-r--r--	2020-12-19 05:30
utils.pyc	2.43 KB	-rw-r--r--	2020-12-19 05:30

Rename

# -*- coding: utf-8 -*-
"""
This module offers general convenience and utility functions for dealing with
datetimes.

.. versionadded:: 2.7.0
"""
from __future__ import unicode_literals

from datetime import datetime, time

def today(tzinfo=None):
    """
    Returns a :py:class:`datetime` representing the current day at midnight

:param tzinfo:
        The time zone to attach (also used to determine the current day).

:return:
        A :py:class:`datetime.datetime` object representing the current day
        at midnight.
    """

dt = datetime.now(tzinfo)
    return datetime.combine(dt.date(), time(0, tzinfo=tzinfo))

def default_tzinfo(dt, tzinfo):
    """
    Sets the ``tzinfo`` parameter on naive datetimes only

This is useful for example when you are provided a datetime that may have
    either an implicit or explicit time zone, such as when parsing a time zone
    string.

.. doctest::

>>> from dateutil.tz import tzoffset
        >>> from dateutil.parser import parse
        >>> from dateutil.utils import default_tzinfo
        >>> dflt_tz = tzoffset("EST", -18000)
        >>> print(default_tzinfo(parse('2014-01-01 12:30 UTC'), dflt_tz))
        2014-01-01 12:30:00+00:00
        >>> print(default_tzinfo(parse('2014-01-01 12:30'), dflt_tz))
        2014-01-01 12:30:00-05:00

:param dt:
        The datetime on which to replace the time zone

:param tzinfo:
        The :py:class:`datetime.tzinfo` subclass instance to assign to
        ``dt`` if (and only if) it is naive.

:return:
        Returns an aware :py:class:`datetime.datetime`.
    """
    if dt.tzinfo is not None:
        return dt
    else:
        return dt.replace(tzinfo=tzinfo)

def within_delta(dt1, dt2, delta):
    """
    Useful for comparing two datetimes that may a negilible difference
    to be considered equal.
    """
    delta = abs(delta)
    difference = dt1 - dt2
    return -delta <= difference <= delta