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Author m-parry
Recipients m-parry
Date 2017-03-27.13:48:47
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Message-id <>
The change in issue #29100 - intended AFAICS simply to fix a regression in 3.6 - seems to have made datetime validation via certain code paths stricter than it was in 2.7 or 3.5. I think it's the case that some routes via the C API now reject out of range values that were previously permitted. Even if this previous behaviour was incorrect, was it intentional to alter that in a maintenance release?

Here's a quick example using pywin32:


> import getpass, sspi, sspicon, win32security
> client_name = getpass.getuser()
> auth_info = (client_name, '', None)
> pkg_info = win32security.QuerySecurityPackageInfo('Kerberos')
> win32security.AcquireCredentialsHandle(
>     client_name, pkg_info['Name'],
>     None, auth_info)

ValueError: year 30828 is out of range


Of course, this is probably a mishandling of the 'never expires' value returned by the Windows API in this case, and indeed I have also created a pywin32 ticket. However, I'm guessing that the linked issue wasn't supposed to break such code.
Date User Action Args
2017-03-27 13:48:47m-parrysetrecipients: + m-parry
2017-03-27 13:48:47m-parrysetmessageid: <>
2017-03-27 13:48:47m-parrylinkissue29921 messages
2017-03-27 13:48:47m-parrycreate