[Python-ideas] working on a PEP for the __preview__ package

Nick Coghlan ncoghlan at gmail.com
Tue Jan 3 05:32:12 CET 2012


On Tue, Jan 3, 2012 at 1:08 PM, Eli Bendersky <eliben at gmail.com> wrote:
> Hello,
>
> I plan to take the ideas discussed in the thread on the
> __experimental__/__preview__ package (1), and further elaborated by
> Nick Coghlan in (2), and turn it into a PEP. Further, I'm willing to
> invest the time resources to make the package release-worthy before
> Alpha 1 of 3.3, with at least one module in it. This work will be done
> under the mentorship of Nick Coghlan.
>
> Any ideas, suggestions or objections are welcome.

I think one thing that needs to be made crystal clear (both in the PEP
and in the documentation for the namespace) is that anyone attempting
to combine the preview namespace with persistence mechanisms that rely
on module names are setting themselves up for migration problems in
the future.

It isn't just the case that the __preview__ namespace APIs *might*
change: they're actually *guaranteed* to change, when they move to
their final location (probably, but not necessarily, in the next
release).

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia



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