proc_util.py

import sys
import subprocess

def exec_command(cmd_list, log, exit_on_fail=True, verbose=True, wait=False):
    log.info(f'Executing Command: {" ".join([str(arg) for arg in cmd_list])}')
    # Wait for output sent to UNIX PIPE linked between processes
    if wait:
        result = subprocess.run(cmd_list, capture_output=True, text=True)
    # Send stdout & stderr (including logging) directly to the terminal
    else:
        result = subprocess.run(cmd_list)
    if result.stdout and verbose:
        log.debug(f'Command stdout:\n {result.stdout}')
    if result.stderr and verbose:
        log.error(f'Command stderr:\n {result.stderr}')
    try:
        result.check_returncode()
    except subprocess.CalledProcessError:
        if verbose:
            log.info(f'Error Executing Command: {" ".join([str(arg) for arg in cmd_list])}')
            log.error(f'Return Code: {result.returncode}')
        if exit_on_fail:
            log.info("Exiting")
            sys.exit(1)
    return result.returncode, result.stdout