Function run_cmd

dev/archery/archery/integration/util.py:131–154

(cmd, **kwargs)

def run_cmd(cmd, **kwargs):
    if isinstance(cmd, str):
        cmd = cmd.split(' ')

    try:
        kwargs.update(stderr=subprocess.STDOUT)
        output = subprocess.check_output(cmd, **kwargs)
    except subprocess.CalledProcessError as e:
        # this avoids hiding the stdout / stderr of failed processes
        sio = io.StringIO()
        command_line_string = ''
        env = kwargs.get('env', {})
        for key in env.keys() - os.environ.keys():
            value = env[key]
            command_line_string += f'{key}={value} '
        command_line_string += ' '.join(cmd)
        print(f'Command failed: {command_line_string}', file=sio)
        print('With output:', file=sio)
        print('--------------', file=sio)
        print(frombytes(e.output), file=sio)
        print('--------------', file=sio)
        raise RuntimeError(sio.getvalue())

    return frombytes(output)


# Adapted from CPython