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Sat Oct 12 01:11:21 CEST 2013 · https://mail.python.org/pipermail/python-dev/2013-October/129434.html

On 12 Oct 2013 05:49, "Eric Snow" <ericsnowcurrently at gmail.com> wrote:
>
> On Fri, Oct 11, 2013 at 1:41 PM, Stefan Krah <stefan at bytereef.org> wrote:
> > Antoine Pitrou <solipsis at pitrou.net> wrote:
> >> Just create a _pydecimal module (like _pyio).
> >
> > That's very fast indeed. There's one minor problem: For backwards
compatibility
> > and pickling [1] I'd need to add
> >
> >     __module__ = 'decimal'
> >
> > to every class of the Python version. Are there any reasons not to do
that?
>
> Try just putting "__name__ = 'decimal'" at the top of the source file.

In this case the fixup needs to be conditional on the absence of
"_decimal". Aside from that, yes, lying about name is the easiest way to
preserve pickle compatibility while still moving code around.

Cheers,
Nick.

>
> -eric
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[Python-Dev] C extension import time