[New-bugs-announce] [issue35796] time.localtime returns error for negative values

Mba report at bugs.python.org
Mon Jan 21 06:32:19 EST 2019


New submission from Mba <mba.ogolny at gmail.com>:

Steps to reproduce the bug:
```
>>> import sys
>>> sys.version
'3.6.7 (v3.6.7:6ec5cf24b7, Oct 20 2018, 13:35:33) [MSC v.1900 64 bit (AMD64)]'

>>> import datetime
>>> print(datetime.datetime.now().astimezone().tzinfo)
datetime.timezone(datetime.timedelta(0, 3600), 'Central European Standard Time')

>>> import time
>>> time.localtime(0)
time.struct_time(tm_year=1970, tm_mon=1, tm_mday=1, tm_hour=1, tm_min=0, tm_sec=0, tm_wday=3, tm_yday=1, tm_isdst=0)
>>> time.localtime(-1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 22] Invalid argument
```

On Ubuntu it works fine:
```
>>> time.localtime(-1)
time.struct_time(tm_year=1970, tm_mon=1, tm_mday=1, tm_hour=0, tm_min=59, tm_sec=59, tm_wday=3, tm_yday=1, tm_isdst=0)
```

----------
components: Windows
messages: 334132
nosy: mba, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: time.localtime returns error for negative values
type: behavior
versions: Python 3.6

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35796>
_______________________________________


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