[Python-ideas] PEP 4XX: Adding sys.implementation

Eric Snow ericsnowcurrently at gmail.com
Thu May 3 03:23:14 CEST 2012

On Tue, May 1, 2012 at 4:25 PM, Barry Warsaw <barry at python.org> wrote:
> On Apr 30, 2012, at 09:22 PM, Eric Snow wrote:
>>Perhaps I should clarify "Other Possible Values" in the PEP?  I'd
>>intended it as a list of meaningful names, most of which others had
>>suggested, that could be considered at some later point.  That's part
>>of why I didn't develop the descriptions there too much.  Rather, I
>>wanted to focus on the two primary names for now.
>>Should those potential names be considered more seriously right now?
>>I was hoping to keep it light to start out, just the things we'd use
> I think you could keep it light (but +1 for adding cache_tag now).

cache_tag it is.

> I'd suggest making it clear that neither the keys, values, nor semantics are
> actually being proposed in this PEP.  The PEP could just include some examples
> for future additions (and thus de-emphasize that section of the PEP).
> It might be helpful to describe a mechanism by which future values would be
> added to sys.implementation.  E.g. is a new PEP required for each?  (I don't
> have an opinion on that right now. :)

This is a good direction.  I'll update the PEP.  Thanks!


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