#10296: Singular interface wasting time by waiting for the prompt too often
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Reporter: SimonKing |
Owner: was
Type: enhancement |
Status: new
Priority: major |
Milestone: sage-4.7.1
Component: interfaces |
Resolution:
Keywords: Singular, _eval_line, synchronization, synchronisation |
Work_issues:
Upstream: N/A |
Reviewer: Martin Albrecht
Author: Simon King |
Merged:
Dependencies: |
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Comment(by SimonKing):
Replying to [comment:32 jdemeyer]:
> {{{RuntimeError: [Errno 5] Input/output error}}} seems to indicate
something more low-level related to the OS (for example, the handling of
pseudo-tty's).
That could be. I already found: If you quit gap by sending "quit;" through
the gap interface (by gap.eval) and then try to evaluate a command, then
you get a different error or error message on bsd.math than on my
computer.
What my patch did was to search for "EOL" in the error message, which
should be fast and suffices on my computer (Linux). If it does not suffice
(as on bsd.math) then one could still test gap._expect.isalive(). That's
slower, but apparently more robust.
The other error you are reporting seems similar in spirit, but is in a
different place.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10296#comment:34>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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