#9636: Catch output from PARI in Sage
------------------------------+---------------------------------------------
Reporter: jdemeyer | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-4.6
Component: interfaces | Keywords:
Author: Jeroen Demeyer | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------+---------------------------------------------
Description changed by jdemeyer:
Old description:
> The output from print() functions in libpari is directly written to
> stdout and is not caught by Sage. For example, the following doctest
> fails:
> {{{
> def printhello():
> """
> sage: printhello()
> hello
> """
> pari('print("hello")')
> }}}
> It gives
> {{{
> File "/home/jdemeyer/paritest.sage", line 3:
> sage: printhello()
> Expected:
> hello
> Got nothing
> }}}
>
> Luckily, libpari provides ways to redirect the output. There should a
> small Cython wrapper to direct the PARI output to sys.stdout.write().
>
> I will try to implement this (using #9343 as starting point). -- Jeroen
> Demeyer
New description:
The output from print() functions in libpari is directly written to stdout
and is not caught by Sage. For example, the following doctest fails:
{{{
def printhello():
"""
sage: printhello()
hello
"""
pari('print("hello")')
}}}
It gives
{{{
File "/home/jdemeyer/paritest.sage", line 3:
sage: printhello()
Expected:
hello
Got nothing
}}}
Luckily, libpari provides ways to redirect the output. There should a
small Cython wrapper to direct the PARI output to sys.stdout.write().
Dependencies: #9661, #9343
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9636#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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