[issue15873] datetime: add ability to parse RFC 3339 dates and times

Mathieu Dupuy report at bugs.python.org
Tue Jul 19 10:20:33 EDT 2016


Mathieu Dupuy added the comment:

because it limits itself to only support the RFC 3339 subset, as
explained in the begining of the discussion.

2016-07-19 16:07 GMT+02:00 Anders Hovmöller <report at bugs.python.org>:
>
> Anders Hovmöller added the comment:
>
> The tests attached to this ticket seem pretty bare. Issues that I can spot directly:
>
> - only tests for datetimes, not times or dates
> - only tests for zulu and "-8:00” timezones
> - no tests for invalid input (parsing a valid date as a datetime for example)
> - only tests for YYYY-MM-DDTHH:MM:SSZ, but ISO8601 supports:
>     - Naive times
>     - Timezone information (specified as offsets or as Z for 0 offset)
>     - Year
>     - Year-month
>     - Year-month-date
>     - Year-week
>     - Year-week-weekday
>     - Year-ordinal day
>     - Hour
>     - Hour-minute
>     - Hour-minute
>     - Hour-minute-second
>     - Hour-minute-second-microsecond
>     - All combinations of the three "families" above!
> (the above list is a copy paste from my project that implements all ISO8601 that fits into native python: https://github.com/boxed/iso8601 <https://github.com/boxed/iso8601>)
>
> This is a more reasonable test suite: https://github.com/boxed/iso8601/blob/master/iso8601.py#L166 <https://github.com/boxed/iso8601/blob/master/iso8601.py#L166> although it lacks the tests for bogus inputs.
>
>> On 2016-07-16, at 03:41, Alexander Belopolsky <report at bugs.python.org> wrote:
>>
>>
>> Alexander Belopolsky added the comment:
>>
>> I would very much like to see this ready before the feature cut-off for Python 3.6.  Could someone post a summary on python-ideas to get a show of hands on some of the remaining wrinkles?
>>
>> I would not worry about a C implementation at this point.  We can put python implementation in _strptime.py and call it from C as we do for the strptime method.
>>
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>>
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>> <http://bugs.python.org/issue15873>
>> _______________________________________
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> <http://bugs.python.org/issue15873>
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