[IPython-User] Pretty print as default print function

Gökhan Sever gokhansever@gmail....
Thu Nov 15 21:25:41 CST 2012


Hi Carl,

Can you provide a simple working example here?

Thanks.

On Sat, Nov 10, 2012 at 1:34 AM, Carl Smith <carl.input@gmail.com> wrote:

> Can you not redirect stdout to a method with something like...
>
> class StandardOut(object):
>
>     def __init__(self): pass
>
>     def write(self, string):
>         do_stuff()
>
> I'm not sure if that'll work. Just thinking out loud really.
>
> On 10 November 2012 08:17, Thomas Kluyver <takowl@gmail.com> wrote:
> > The only thing I can think of is to hack an ast transformation into
> %run, to
> > turn print statements into calls to a function you've defined.
> >
> > The good news is that a lot of scientific python packages now support
> python
> > 3.
> >
> > Thanks,
> > Thomas
> >
> > On Nov 10, 2012 1:10 AM, "Gökhan Sever" <gokhansever@gmail.com> wrote:
> >>
> >> Thanks for the reply Thomas.
> >>
> >> I still use Python 2.7, along with all of the scientific Python stack.
> >>
> >> Do you think is there a simple way to modify IPython's "run" command so
> >> that output's pretty printed just like IPython shell?
> >>
> >>
> >> On Fri, Nov 9, 2012 at 2:28 AM, Thomas Kluyver <takowl@gmail.com>
> wrote:
> >>>
> >>> In python 3, you can replace the builtin print function. I don't know
> of
> >>> any way to modify the behaviour of print statements in python 2.
> >>>
> >>> Thomas
> >>>
> >>> On Nov 9, 2012 6:59 AM, "Gökhan Sever" <gokhansever@gmail.com> wrote:
> >>>>
> >>>> Hello,
> >>>>
> >>>> I would like to be able print NumPy arrays matching the IDL's array
> >>>> print outout. For instance:
> >>>>
> >>>> IDL> print, findgen(5)
> >>>>       0.00000      1.00000      2.00000      3.00000      4.00000
> >>>> IDL> print, dindgen(5)
> >>>>        0.0000000       1.0000000       2.0000000       3.0000000
> >>>> 4.0000000
> >>>>        0.0000000       1.0000000       2.0000000       3.0000000
> >>>> 4.0000000
> >>>>
> >>>>
> >>>> I1 np.arange(5, dtype='float64')
> >>>> O1        0.0000000       1.0000000       2.0000000       3.0000000
> >>>> 4.0000000
> >>>>
> >>>> I2 np.arange(5, dtype='float32')
> >>>> O2       0.00000      1.00000      2.00000      3.00000      4.00000
> >>>>
> >>>> Ignoring O1 and O2 lines, outputs (formatting) are matching. I
> achieved
> >>>> this by defining some custom pprint formatters in the IPy config file.
> >>>>
> >>>> However, this is only valid within IPython while just typing array
> >>>> names. For instance, running these lines revert the printing settings
> back
> >>>> to normal.
> >>>>
> >>>> Is there a way to make this type of customized printing default for
> >>>> executing a file via Python? ie., can we replace python's print
> statement
> >>>> with pprint?
> >>>>
> >>>> If not, should I edit numpy/core/arrayprint.py and use a pythonrc file
> >>>> to achieve the effect?
> >>>>
> >>>> I am also interested in custom printing other data types than
> nd.arrays.
> >>>>
> >>>> Thanks.
> >>>>
> >>>> --
> >>>> Gökhan
> >>>>
> >>>> _______________________________________________
> >>>> IPython-User mailing list
> >>>> IPython-User@scipy.org
> >>>> http://mail.scipy.org/mailman/listinfo/ipython-user
> >>>>
> >>>
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> >>>
> >>
> >>
> >>
> >> --
> >> Gökhan
> >>
> >> _______________________________________________
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> >> http://mail.scipy.org/mailman/listinfo/ipython-user
> >>
> >
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-- 
Gökhan
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