[Python-ideas] pprint in displayhook

[Terry Reedy]

On 9/27/2013 8:16 PM, Steven D'Aprano wrote:
> On Fri, Sep 27, 2013 at 01:07:18PM +0300, Serhiy Storchaka wrote:
>> What are you think about using pprint.pprint() to output the result of
>> evaluating an expression entered in an interactive Python session (and
>> in IDLE)?
>
> Well, let's try it and see...
>
>
> py> L = list(range(50))
> py> print(L)
> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
> 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
> 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49]
> py> pprint.pprint(L)
> [0,
>   1,
>   2,
>   3,
>   4,
>   5,
>   6,
>   7,
>   8,
>   9,
>   10,
>   11,
>   12,
>   13,
>   14,
>   15,
>   16,
>   17,
>   18,
>   19,
>   20,
>   21,
>   22,
>   23,
>   24,
>   25,
>   26,
>   27,
>   28,
>   29,
>   30,
>   31,
>   32,
>   33,
>   34,
>   35,
>   36,
>   37,
>   38,
>   39,
>   40,
>   41,
>   42,
>   43,
>   44,
>   45,
>   46,
>   47,
>   48,
>   49]
>
>
> That would be an Absolutely Not.

This is why I suggested that I would consider making it available in 
Idle on a per object basis, for things like this

 >>> L = ['This is the first sentence.', 'This is the second, lets make 
it onger', 'and this is the third, but do not stop yet']
 >>> L
['This is the first sentence.', 'This is the second, lets make it 
onger', 'and this is the third, but do not stop yet']
 >>> import pprint
 >>> pprint.pprint(L)
['This is the first sentence.',
  'This is the second, lets make it onger',
  'and this is the third, but do not stop yet']

But your example is more typical of my usage.

> However, if somebody wanted to give pprint some attention to make it
> actually pretty print, that would be very welcome.

-- 
Terry Jan Reedy