The start_new_session parameter is set to True to ensure that the background process runs in a separate process group, which allows it to continue running after the Python process finishes. The output of the Python process is piped to the stdout of the background process using the stdout parameter. This code starts the background process using Popen, and then starts the Python process using run. # Wait for the background process to finish Python_process = n(, stdout=bg_process.stdout) # Start the Python process and pipe its output to the background process Here is an example of how you can do this: import subprocessīg_process = subprocess.Popen(, stdout=subprocess.PIPE, start_new_session=True) To pipe the output of a Python process to a background process using the subprocess module, you can use the Popen class with the stdout parameter set to subprocess.PIPE and the start_new_session parameter set to True.
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