New submission from Mark Summerfield <[EMAIL PROTECTED]>: # If you run the code below on Py30a3 you get the output shown at the end import calendar, datetime, time
pastdate = datetime.datetime(1969, 12, 31) print(pastdate) timestamp = calendar.timegm(pastdate.utctimetuple()) print(timestamp) try: pastdate_x = datetime.datetime.utcfromtimestamp(timestamp) except ValueError as err: print("FAIL", err) try: print(time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime(timestamp))) except ValueError as err: print("FAIL", err) r""" Python 30a3 Windows output: 1969-12-31 00:00:00 -86400 FAIL timestamp out of range for platform localtime()/gmtime() function FAIL (22, 'Invalid argument') Linux output: 1969-12-31 00:00:00 -86400 1969-12-31T00:00:00 """ # What this appears to show is that you can't round-trip between datetimes and timestamps on Windows for dates prior to 1970 ---------- components: Library (Lib) messages: 64578 nosy: mark severity: normal status: open title: Can't round-trip datetimes<->timestamps prior to 1970 on Windows type: behavior versions: Python 3.0 __________________________________ Tracker <[EMAIL PROTECTED]> <http://bugs.python.org/issue2494> __________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com