[Datetime-SIG] Calendar vs timespan calculations...

Ethan Furman ethan at stoneleaf.us
Sat Aug 1 21:40:14 CEST 2015

On 08/01/2015 12:09 PM, Alexander Belopolsky wrote:
> On Sat, Aug 1, 2015 at 2:34 PM, Ethan Furman <ethan at stoneleaf.us> wrote:
>>> My goal here is to minimize the impact on the programs that are
>>> already written and deployed.
>> Why is this even a problem?  Already written programs will not be using the
>> new strict tzinfo.
> They will if their tzinfo provider switches to tzstrict.

It is not our problem if a third-party library makes backwards incompatible changes.

We will still be supporting all three types in the stlib: naive, aware, and strict.

If this new 'strict' support still has buggy behaviour around time shifts, why are we bothering?


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