#9636: Catch output from PARI in Sage
--------------------------+-------------------------------------------------
   Reporter:  jdemeyer    |       Owner:  was
       Type:  defect      |      Status:  new
   Priority:  major       |   Milestone:     
  Component:  interfaces  |    Keywords:     
     Author:              |    Upstream:  N/A
   Reviewer:              |      Merged:     
Work_issues:              |  
--------------------------+-------------------------------------------------
 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

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9636>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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