[issue36899] datetime utcfromtimestamp ignores astimezone
New submission from Piotr Kamoda :
See below code:
>>> datetime.utcfromtimestamp(1557395250).astimezone(get_localzone()).strftime('%Y-%m-%d
>>> %H:%M:%S %z %Z')
'2019-05-09 09:47:30 +0200 CEST'
>>> datetime.fromtimestamp(1557395250).astimezone(get_localzone()).strftime('%Y-%m-%d
>>> %H:%M:%S %z %Z')
'2019-05-09 11:47:30 +0200 CEST'
As you can see, utcfromtimestamp refuses to be 'timezoned', second one is
correct.
--
messages: 342297
nosy: Piotr Kamoda
priority: normal
severity: normal
status: open
title: datetime utcfromtimestamp ignores astimezone
versions: Python 3.7
___
Python tracker
<https://bugs.python.org/issue36899>
___
___
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue36899] datetime utcfromtimestamp ignores astimezone
Piotr Kamoda added the comment:
Docs state that fromtimestamp returns a naive datetime object
(https://docs.python.org/3.7/library/datetime.html#datetime.datetime.fromtimestamp)
and not utcfromtimestamp. Perhaps it needs fixing.
Additionally, astimezone fails silently, I even tried
>>> datetime.utcfromtimestamp(1557395250).astimezone(pytz.utc).astimezone(get_localzone()).strftime('%Y-%m-%d
>>> %H:%M:%S %z %Z')
'2019-05-09 09:47:30 +0200 CEST'
Which looks weird, but why it ignores that function silently is also weird.
--
___
Python tracker
<https://bugs.python.org/issue36899>
___
___
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue36899] datetime utcfromtimestamp ignores astimezone
Piotr Kamoda added the comment:
Ok, now I see that naive object assumes my timezone in some cases. That's still
mind-boggling that utcfromtimestamp returns an object that shows utc hour but
when astimezone is applied it reverts without converting the hour to local
timezone.
See below as explanation:
>>> datetime.utcfromtimestamp(1557395250).astimezone(pytz.utc).strftime('%Y-%m-%d
>>> %H:%M:%S %z %Z')
'2019-05-09 07:47:30 + UTC'
>>> datetime.utcfromtimestamp(1557395250).astimezone(get_localzone()).strftime('%Y-%m-%d
>>> %H:%M:%S %z %Z')
'2019-05-09 09:47:30 +0200 CEST'
--
___
Python tracker
<https://bugs.python.org/issue36899>
___
___
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
