Alexander Belopolsky <[email protected]> added the comment:
I think strptime should only accept %Z when it comes together with %z and not
do any validation.
This is close to the current behavior. %Z by itself is useless because even
when it is accepted, the value is discarded:
>>> print(datetime.strptime('UTC', '%Z'))
1900-01-01 00:00:00
You have to use %z to get an aware datetime instance:
>>> print(datetime.strptime('UTC+0000', '%Z%z'))
1900-01-01 00:00:00+00:00
The validation is already fairly lax:
>>> print(datetime.strptime('UTC+1234', '%Z%z'))
1900-01-01 00:00:00+12:34
I don't think this issue has anything to do with the availability of zoneinfo
database. Timezone abbreviations are often ambiguous and should only serve as
a human-readable supplement to the UTC offset and cannot by itself be used as a
TZ specification.
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Python tracker <[email protected]>
<https://bugs.python.org/issue22377>
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