def _check_output()

in docker_utils.py [0:0]

• 14 lines of code
• 4 McCabe index (conditional complexity)

def _check_output(cmd, *popenargs, **kwargs):
    if isinstance(cmd, str):
        cmd = shlex.split(cmd)

    success = True
    try:
        output = subprocess.check_output(cmd, *popenargs, **kwargs)
    except subprocess.CalledProcessError as e:
        output = e.output
        success = False

    output = output.decode("utf-8")
    if not success:
        print("Command output: %s" % output)
        raise Exception("Failed to run %s" % ",".join(cmd))

    return output