import datetime

import math

def createUTC(y, mo, d, h, m, s, ms):

return datetime.datetime(y, mo, d, h, m, s, ms * 1000)

def calcDiff(rec1, rec2):

msUTC1 = createUTC(

rec1["year"],

rec1["month"],

rec1["day"],

rec1["hour"],

rec1["minute"],

rec1["second"],

rec1["millisecond"],

)

msUTC2 = createUTC(

rec2["year"],

rec2["month"],

rec2["day"],

rec2["hour"],

rec2["minute"],

rec2["second"],

rec2["millisecond"],

)

return msUTC1 - msUTC2

def adjustImpl(just):

def _1(nothing):

def _2(offset):

def _3(rec):

msUTC = createUTC(

rec["year"],

rec["month"],

rec["day"],

rec["hour"],

rec["minute"],

rec["second"],

rec["millisecond"],

)

dt = msUTC + offset

return (

nothing

if math.isnan(dt.timestamp() * 1000)

else just(

{

"year": dt.year,

"month": dt.month,

"day": dt.day,

"hour": dt.hour,

"minute": dt.minute,

"second": dt.second,

"millisecond": dt.microsecond / 1000,

}

)

)

return _3

return _2

return _1