[issue22296] cookielib uses time.time(), making incorrect checks of expiration times in cookies

[Akira Li]

Akira Li added the comment:

timestamp() method works correctly for an aware datetime objects
as in my example (notice: timezone.utc in the code).

The issue is not that it is a manual computation,
the issue is that it is incorrect:

  #XXX WRONG, DO NOT DO IT
  time.mktime(datetime.datetime.utcnow().timetuple())

On older Python versions, given a utc time as a naive datetime
object, POSIX timestamp is:

  ts = (utc_dt - datetime(1970, 1, 1)).total_seconds()
  utc_dt = datetime(1970, 1, 1) + timedelta(seconds=ts) # in reverse

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22296>
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