[Python-Dev] a new type for sys.implementation

[Nick Coghlan]

On Thu, May 31, 2012 at 8:26 PM, Mark Shannon <mark at hotpy.org> wrote:
> Eric Snow wrote:
>>
>> The implementation for sys.implementation is going to use a new (but
>> "private") type[1].  It's basically equivalent to the following:
>
>
> Does this really need to be written in C rather than Python?

Yes, because we want to use it in the sys module. As you get lower
down in the interpreter stack, implementing things in Python actually
starts getting painful because of bootstrapping issues (e.g. that's
why both _structseq and collections.namedtuple exist).

Personally, I suggest we just expose the new type as
types.SimpleNamespace (implemented in Lib/types.py as "SimpleNamespace
= type(sys.implementation)" and call it done.

Cheers,
Nick.


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