# Copyright European Space Agency, 2013
from __future__ import absolute_import, division
import astropy.time
[docs]def containsLeapSecond(d1, d2):
"""
Checks whether the given datetime range contains a leap second.
:param datetime.datetime d1: start date
:param datetime.datetime d2: end date
:rtype: bool
"""
eps = 1e-6
diffWithoutLeap = (d2-d1).total_seconds()
diffWithLeap = (astropy.time.Time(d2, scale='utc') - astropy.time.Time(d1, scale='utc')).sec
containsLeap = abs(diffWithoutLeap - diffWithLeap) > eps
return containsLeap