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[Python-Dev] PEP 3148 ready for pronouncement

[Python-Dev] PEP 3148 ready for pronouncementJesse Noller jnoller at gmail.com
Thu May 27 02:05:28 CEST 2010
On Wed, May 26, 2010 at 8:03 PM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> On 27/05/10 02:27, Terry Reedy wrote:
>>
>> I am suggesting that if we add a package, we do it right, from the
>> beginning.
>
> This is a reasonable point of view, but I wouldn't want to hold up PEP 3148
> over it (call it a +0 for the idea in general, but a -1 for linking it to
> the acceptance of PEP 3148).
>
> A separate short PEP proposing a migration plan that could be accepted or
> rejected independently of PEP 3148 would likely be valuable.
>
> E.g.
>  - no change in 2.x (obviously)
>  - add concurrent.* alternate names in 3.x
>  - rearrange documentation in 3.x, with pointers from old names to new names
>  - put a PendingDeprecationWarning on the old names, but otherwise leave
> them alone indefinitely
>  - add 2to3 fixers to translate from the old names to the new names in
> import statements
>
> Cheers,
> Nick.

Agreed; and intended as a different PEP.
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