[IPython-User] Pretty print as default print function

Robert Kern robert.kern@gmail....
Fri Nov 16 05:27:34 CST 2012

On 2012-11-16 10:53 AM, Thomas Kluyver wrote:
> On 10 November 2012 08:34, Carl Smith <carl.input@gmail.com
> <mailto: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.
> I don't think this (overriding sys.stdout) will work for what Gökhan is trying
> to do. Unlike displayhook(), which gets an object, sys.stdout.write() only gets
> the string form, so you can't easily produce a different representation.
> For a Python class, you could monkeypatch __str__() to produce your preferred
> representation, but ndarray is defined in compiled code, so that's not an option.

The array formatting code is pure Python and monkeypatchable:


Robert Kern

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