New submission from Jerry Kramskoy:
Running python 3.6.2 on Windows 10.
The following method causes presents a timetstamp value of -3600 (i.e. DST
adjustment of one hour) which causes time.localtime() to raise an OS Errno 22.
def _naive_is_dst(self, dt):
timestamp = _datetime_to_timestamp(dt)
return time.localtime(timestamp + time.timezone).tm_isdst
Reproduce with python shell...
import time
z=time.localtime(-3600)
Traceback (most recent call last):
Python Shell, prompt 7, line 1
builtins.OSError: [Errno 22] Invalid argument
The documentation doesn't specify a legal value range for input to localtime.
Unfortunately,this causes AWS boto3 support for dynamodb to crash.
Cheers, Jerry
----------
components: Library (Lib)
messages: 301143
nosy: jerrykramskoy
priority: normal
severity: normal
status: open
title: bug in dateutil\tz\tz.py
type: crash
versions: Python 3.6
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue31327>
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