On 9/24/07, Gonzalo Tornaria <[EMAIL PROTECTED]> wrote:
>
> The following happens sometimes, I guess depending on timing:
Please open a new ticket about this. The solution is to
add a special control-c handler function to
devel/sage/interfaces/gp.py
that overloads the one in expect.py, and does some extra
synchronization / waiting / etc. more suitable to PARI than
the generic behavior.
You're right, this has nothing to do with #710.
> sage: gp.eval('factor(2^997-1)')
> [HIT CTRL-C]
> Interrupting GP/PARI interpreter...
> Interrupting GP/PARI interpreter...
> ---------------------------------------------------------------------------
> <type 'exceptions.KeyboardInterrupt'> Traceback (most recent call last)
> [....]
> <type 'exceptions.KeyboardInterrupt'>: Ctrl-c pressed while running
> GP/PARI interpreter
> sage: gp.eval('factor(2^997-1)')
> [HIT CTRL-C]
> 'factor(2^997-1)'
> sage: gp.eval('factor(2^997-1)')
> [HIT CTRL-C]
> ''
> sage: gp.eval('factor(2^997-1)')
> Interrupting GP/PARI interpreter...
> Interrupting GP/PARI interpreter...
> [repeat]
>
> So, it seems that under some circumstances, the error handler is
> cycling between 3 different behaviours.
>
> This is not really #710; in that case the error handler was going
> wrong within _sig_on/_sig_off pairs, but I believe there's nothing
> like that here.
>
> Gonzalo
>
> >
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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