From b39aff87f7b69a6c434d538808e4ebc015754a6f Mon Sep 17 00:00:00 2001 From: Guido van Rossum Date: Wed, 9 Jun 1999 15:07:38 +0000 Subject: [PATCH] Add unrelated but handy function: timegm(), to calculate Unix timestamp from GMT tuple. --- Lib/calendar.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Lib/calendar.py b/Lib/calendar.py index 8d5681a0185..c9bc497fef3 100644 --- a/Lib/calendar.py +++ b/Lib/calendar.py @@ -151,3 +151,20 @@ def prcal(year): prweek(cal[i], 2) print _spacing, print + +# Unrelated but handy function to calculate Unix timestamp from GMT +EPOCH = 1970 +def timegm(tuple): + year, month, day, hour, minute, second = tuple[:6] + assert year >= EPOCH + assert 1 <= month <= 12 + days = 365*(year-EPOCH) + leapdays(EPOCH, year) + for i in range(1, month): + days = days + mdays[i] + if month > 2 and isleap(year): + days = days + 1 + days = days + day - 1 + hours = days*24 + hour + minutes = hours*60 + minute + seconds = minutes*60 + second + return seconds