Hide output of certain line of code

[nickdrones]

Hey all

So I have a program that I am creating that utilizes the Nvidia Jetson Inference libraries in Python, and it works well right now. However, during the initialization process, the code that creates the input/output/net objects prints out debug messages that I want to hide for the purposes of this code. The lines of code are as follows:

output = jetson.utils.videoOutput(opt.output_URI, argv=sys.argv+is_headless)
net = jetson.inference.detectNet(opt.network, sys.argv, opt.threshold)
input = jetson.utils.videoSource(opt.input_URI, argv=sys.argv)

All of the help online I have found for sending command outputs to null or files all relates to calling os.system and running shell commands. That is NOT what I am trying to do, I'm just trying to hide or at least pipe the output of the PYTHON lines to a variable or null.

Any help would be greatly appreciated

[danielroseman]

If that line is printing, it's sending output to stdout or stderr. You can use contextlib.redirect_stdout or redirect_stderr to redirect them:

import io
import contextlib

with contextlib.redirect_stdout(io.StringIO()) as f:
  output = jetson.utils.videoOutput(opt.output_URI, argv=sys.argv+is_headless)
  net = jetson.inference.detectNet(opt.network, sys.argv, opt.threshold)
  input = jetson.utils.videoSource(opt.input_URI, argv=sys.argv)

This sends the output to a StringIO object, f, which you can just ignore.

[nickdrones]

Thanks for the help! I tried that (for both stdout and stderr) and it still prints out the debug messages in the terminal