[Python-Dev] SIGCHECK() in longobject.c

Brett Cannon brett at python.org
Tue Oct 20 22:54:53 CEST 2009

On Tue, Oct 20, 2009 at 07:57, Mark Dickinson <dickinsm at gmail.com> wrote:

> On Tue, Oct 20, 2009 at 3:50 PM, Eric Smith <eric at trueblade.com> wrote:
> >> The code was working a few months ago (with all Decimal tests
> >> passing), but there have been some changes and bugfixes since
> >> then.  I might try to resurrect that code, dropping the _Decimal type
> and
> >> just concentrating on Deccoeff.
> >
> > My only concern about this is the effect it would have on IronPython,
> > Jython, PyPy, and other alternate implementations that use the stdlib.
> Yes, that worries me a bit, too.  I have the same worry with the idea
> of rewriting the entire decimal module in C.
> The Deccoeff type is very simple, though.  It would be easy to create
> a pure Python version of it, and then do something like:
> try:
>    from _decimal import Deccoeff  # try to get C version
> except ImportError:
>    from deccoeff import Deccoeff  # else use Python fallback code.

And this is why you shouldn't have to worry. As long as the tests exercise
both the pure Python and C versions then the other VMs are covered.

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