How can I handle errors in a subprocess in Python?

How can I handle errors in a subprocess in Python?

You can use the subprocess module and check the return code of the process. If it's non-zero, an error occurred.

Can you show me a code example?

Sure! Here's a simple example:

import subprocess

try:
    result = subprocess.run(['ls', '-l'], check=True, text=True, capture_output=True)
    print(result.stdout)
except subprocess.CalledProcessError as e:
    print(f'Error occurred: {e}')

What if I want to capture both stdout and stderr?

You can use capture_output=True in the subprocess.run() method. It captures both stdout and stderr.

Thanks! Is there a way to set a timeout for the subprocess?

Yes, you can use the timeout parameter in subprocess.run(). For example, subprocess.run(..., timeout=5) will raise a TimeoutExpired exception if it takes longer than 5 seconds.