Python: Is it possible to make 'print' flush by default?

Question

The print function in Python 3 may receive a boolean value to whether flush immediately or not:

print("foobar", flush=True)

I wish to have the print function flush by default for everything it prints, is it possible? Work-around, ad-hoc settings, whatever.

Benjamin Rowell · Accepted Answer · 2020-12-28 09:16:55Z

5

You can run Python in unbuffered mode with:

python -u

Or set the environment variable

PYTHONUNBUFFERED=TRUE

answered Dec 28, 2020 at 9:16

Benjamin Rowell

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1 Comment

Dan D Over a year ago

this is a bit relying on the command line and not committed to git through it's good with a bash file to go with

Daweo · Accepted Answer · 2020-12-28 09:20:24Z

For me this does looks like task for functools.partial, but I am not sure if it would work in this case, so can you please try following: add at begin of your file

import functools print = functools.partial(print, flush=True)

and test if it does what you want?

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