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I am calling a MATLAB program from a Python script using MathWorks's engine. The MATLAB program prints many lines, which I'd like to suppress. I tried the top two answers here, and they did not work. Here's a simple demo:

% test.m

function test()
    fprintf('printing in MATLAB\n');
end

# test.py

from   matlab import engine
import os
import sys


class suppressPrinting:
    def __enter__(self):
        self._original_stdout = sys.stdout
        sys.stdout = open(os.devnull, 'w')

    def __exit__(self, exc_type, exc_val, exc_tb):
        sys.stdout.close()
        sys.stdout = self._original_stdout


eng = engine.start_matlab()

with suppressPrinting():
    print('printing in Python')  # Will be suppressed correctly.

with suppressPrinting():
    eng.test(nargout=0)  # Will *not* be suppressed.

If you run test.py, it will still print "printing in MATLAB". The statement "printing in Python" will be suppressed. Is there a way to suppress the MATLAB outputs?

jds
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    https://stackoverflow.com/questions/49630115/how-to-suppress-matlab-output-from-python does this answer your question ? – Fibi Mar 15 '20 at 23:39
  • Yes, thank you! That didn't come up in my searches, but it's exactly right. – jds Mar 15 '20 at 23:44

0 Answers0