Created
February 18, 2021 04:34
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Suppress output from function
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# Via Stack Overflow | |
# https://stackoverflow.com/questions/11130156/suppress-stdout-stderr-print-from-python-functions | |
from contextlib import contextmanager,redirect_stderr,redirect_stdout | |
from os import devnull | |
@contextmanager | |
def suppress_stdout_stderr(): | |
"""A context manager that redirects stdout and stderr to devnull""" | |
with open(devnull, 'w') as fnull: | |
with redirect_stderr(fnull) as err, redirect_stdout(fnull) as out: | |
yield (err, out) | |
# Example usage | |
import sys | |
def rogue_function(): | |
print('spam to stdout') | |
print('important warning', file=sys.stderr) | |
1 + 'a' | |
return 42 | |
with suppress_stdout_stderr(): | |
rogue_function() |
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