stacktach/stacktach/datetime_to_decimal.py

35 lines
853 B
Python

import calendar
import datetime
import decimal
import time
def dt_to_decimal(utc):
decimal.getcontext().prec = 30
return decimal.Decimal(str(calendar.timegm(utc.utctimetuple()))) + \
(decimal.Decimal(str(utc.microsecond)) /
decimal.Decimal("1000000.0"))
def dt_from_decimal(dec):
if dec == None:
return "n/a"
integer = int(dec)
micro = (dec - decimal.Decimal(integer)) * decimal.Decimal(1000000)
daittyme = datetime.datetime.utcfromtimestamp(integer)
return daittyme.replace(microsecond=micro)
def sec_to_str(sec):
sec = int(sec)
if sec < 60:
return "%ds" % sec
minutes = sec / 60
sec = sec % 60
if minutes < 60:
return "%d:%02ds" % (minutes, sec)
hours = minutes / 60
minutes = minutes % 60
return "%02d:%02d:%02d" % (hours, minutes, sec)