On Oct 17, 2013, at 2:33 PM, Noah Kantrowitz <[email protected]> wrote:

> 
> On Oct 17, 2013, at 9:26 AM, Michael Foord <[email protected]> wrote:
> 
>> 
>> 
>> 
>> On 17 October 2013 16:53, Donald Stufft <[email protected]> wrote:
>> 
>> On Oct 17, 2013, at 11:49 AM, Michael Foord <[email protected]> wrote:
>> 
>>> Package upload certainly worked, and that is what is going to be broken.
>> 
>> So would you be ok with deprecating and removing to equal "this metadata 
>> silently
>> gets sent to /dev/null" in order to not break uploads for what would have 
>> affected
>> roughly 4% of the total new releases on PyPI in 2013.
>> 
> 
> My vote on this whole thing in the general context of how to handle 
> deprecating metadata fields
> * Email anyone using deprecated metadata at the time of deprecation (or now, 
> in the case of this stuff)
> * Deprecation would follow a somewhat normal arc:
>  * Initially it is just marked as deprecated in the docs (pending deprecation 
> phase).
>  * "One major release" (which is fuzzy in this case, but 6-12 months) later 
> it goes to dev null on input and is removed from all output.
>  * "One major release" later it is a fatal error.
> 
> Having this whole schedule formalized will help everyone to know how we 
> evolve the metadata spec, and because it is key-value pairs we have some 
> wiggle room to sometimes ignore certain keys or treat them as opaque blobs (a 
> la HTTP/MIME headers). In the case of this instance, I would say we should do 
> the email and dev-null-ing immediately and then just pick up as normal and in 
> 6-12 months (whatever we decide, not that it should actually be an 
> ill-defined time period) it becomes a fatal error.
> 
> --Noah
> 
> _______________________________________________
> Distutils-SIG maillist  -  [email protected]
> https://mail.python.org/mailman/listinfo/distutils-sig

This sounds reasonable to me.

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Donald Stufft
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