#10295: Upgrading pexpect
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Reporter: SimonKing | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.7
Component: interfaces | Resolution:
Keywords: pexpect upgrade | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/fbissey/pexpect3.3 | a24eab3ce985874ab8445ed5e362bbeead76fd40
Dependencies: | Stopgaps:
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Comment (by leif):
Replying to [comment:51 leif]:
> Replying to [comment:48 jdemeyer]:
> > Why do you think it's busy waiting? It looks like it's reading with a
timeout, which is not busy waiting.
>
> Unless the timeout is `None`, it ''is'' busy waiting.
>
> With a larger timeout, it gets less worse, but is still busy waiting.
Ok, it's not as bad as I first thought, since the loop is exited upon the
first timeout (which is on the ''total'' time spent in `expect_loop()`,
but also used in `select()`). So it depends on what happens in the
application upon timeout, and the timeout chosen.
--
Ticket URL: <http://trac.sagemath.org/ticket/10295#comment:55>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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