[issue32195] datetime.strftime with %Y no longer outputs leading zeros
Dave Challis
report at bugs.python.org
Fri Dec 1 09:39:29 EST 2017
New submission from Dave Challis <suicas at gmail.com>:
Tested in python 3.6.2:
>>> import datetime
>>> datetime.datetime.min.strftime('%Y')
'1'
Expected output:
'0001'
This means that strftime and strptime aren't necessarily symmetric, e.g.:
>>> datetime.datetime.strptime(datetime.datetime.min.strftime('%Y'), '%Y')
ValueError: time data '1' does not match format '%Y'
----------
components: Library (Lib)
messages: 307389
nosy: davechallis
priority: normal
severity: normal
status: open
title: datetime.strftime with %Y no longer outputs leading zeros
type: behavior
versions: Python 3.6
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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32195>
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