Re: [spyder] dynamic printing in one line

[Carlos Córdoba]

Hi Konstantin,

This happens because our console is not a real one, it's just emulating a Python console inside a graphical interface. That's why things like "\b" and "\r" don't work. For more information please see our Issue 195.

But I think the IPython guys have solved this problem, so if you have the chance please update to Spyder 2.2 and IPython 0.13.2.

Cheers,
Carlos

El 20/05/13 06:10, Konstantin Klementiev escribió:

Hello all,

I am trying to dynamically write to the same line of the console. The code below does work in standard consoles but dosn't work in Spyder, at least with its default settings. Why?

I am working under Windows, Spyder 2.1.11.

import sys

import time

sys.stdout.write('static and ')

last_lenght = 0

for i in "\\|/-\\|/-":

    sys.stdout.write('\b' * last_lenght)    # go back

    sys.stdout.write(' ' * last_lenght)     # clear last dynamic output

    sys.stdout.write('\b' * last_lenght)    # reposition

    outText = i + 'dynamic'

    sys.stdout.write(outText)

    last_lenght = len(outText)

    sys.stdout.flush()

    time.sleep(0.5)

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[Konstantin Klementiev]

Hola Carlos,

Now I have both  Spyder 2.2 and IPython 0.13.2 installed and the broken printing is still there. Ok, I see there is no easy solution. 

Thanks for replying!

Regards,

Konstantin

[Carlos Córdoba]

You just need to evaluate your expression in an *IPython* console, not in a python one. I did it last night and I could see an spinning indicator next to some text. Very cool!

Cheers,
Carlos

El 21/05/13 03:01, Konstantin Klementiev escribió:

[Konstantin Klementiev]

You're right, I have now told Spyder to use the current IPython console in Run/Configure and it works!

Thanks!

Konstantin