[IPython-dev] More %magics - numpy print options

Robert Kern robert.kern@gmail....
Fri Jan 23 15:06:35 CST 2009


Andrew Straw wrote:
> Robert Kern wrote:
>> On Fri, Jan 23, 2009 at 01:28, Andrew Straw <strawman@astraw.com> wrote:
>>> On this subject, sympy has a very nice autodetection-of-terminal-width
>>> feature that would be very cool to port into the numpy printing stuff
>>> and/or ipython. Being completely oblivious of where this should best
>>> live and being completely lacking in spare time, all I can do is mention
>>> that it would be a cool feature to port into ipython or numpy.
>> IPython does have a function for this, too, on UNIX systems with
>> curses (sympy also uses curses on UNIX but also has a Windows
>> implementation using ctypes and the Windows API). I also found another
>> UNIX implementation that only uses the fcntl and termios modules,
>> which may be more ubiquitous than curses.
>>
>> http://mail.python.org/pipermail/python-list/2006-February/365594.html
>>
> 
> Hmm, sympy's is on by default and I've never seen the effect in
> IPython... How to turn it on?

It's actually not used for printing. It's used to determine whether or not to page in 
genutils.page().

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco



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