pytest_rally/process.py

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import shlex
import subprocess

def run_command_with_return_code(cmd):
    try:
        proc = subprocess.run(shlex.split(cmd), text=True, capture_output=True, check=True)
        return proc.returncode
    except subprocess.CalledProcessError as e:
        # pytest will capture this for failed tests, making debugging easier
        print(e.stdout)
        return e.returncode

def run_command_with_output(cmd):
    try:
        proc = subprocess.run(shlex.split(cmd), text=True, capture_output=True, check=True)
        return proc.stdout
    except subprocess.CalledProcessError as e:
        raise AssertionError(f"Failed to run command [{cmd}]", e.stdout)