On 2016-01-15 13:44, Tomas Babej wrote: > Hi, > > For the dates older than 1900, Python is unable to convert the datetime > representation to string using strftime: > > https://bugs.python.org/issue1777412 > > Work around the issue adding a custom method to convert the datetime > objects to LDAP generalized time strings. > > https://fedorahosted.org/freeipa/ticket/5579
I noticed that all previous strftime() calls and the new code ignore any
time zone information. This isn't an issue for tz-naive datetime object
that don't have any time zone information attached. You can't fix them
anyway and just hope they are always UTC. For tz-aware datetime object
your approach returns the wrong value.
You can use datetime.utctimetuple() instead. The method returns a time
tuple in UTC.
>>> value
datetime.datetime(2016, 1, 18, 8, 2, 49, 646270)
>>>
'{0.tm_year:4d}{0.tm_mon:02d}{0.tm_mday:02d}{0.tm_hour:02d}{0.tm_min:02d}{0.tm_sec:02d}Z'.format(value.utctimetuple())
'20160118080249Z'
https://docs.python.org/2/library/datetime.html#datetime.datetime.utctimetuple
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