os library python to get std out code example

Example 1: python subprocess with environment variables

import subprocess, os
my_env = os.environ.copy()
my_env["PATH"] = "/usr/sbin:/sbin:" + my_env["PATH"]
subprocess.Popen(my_command, env=my_env)

Example 2: python subprocess exception handling

try:
    subprocess.check_output(...)
except subprocess.CalledProcessError as e:
    print(e.output)

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