To prevent a function from printing in the batch console in Python

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Yes, you can redirect sys.stdout:

import sys
import os

old_stdout = sys.stdout # backup current stdout
sys.stdout = open(os.devnull, "w")

my_nasty_function()

sys.stdout = old_stdout # reset old stdout

Just replace my_nasty_function with your actual function.

EDIT: Now should work on windows aswell.

EDIT: Use backup variable to reset stdout is better when someone wraps your function again

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