Function _format_subprocess_output

tests/integration/lighthouse_utils.py:714–727

Normalize subprocess output for failure messages. Args: output: The captured subprocess output. Returns: The output as a decoded string.

(output: str | bytes | None)

def _format_subprocess_output(output: str | bytes | None) -> str:
    """Normalize subprocess output for failure messages.

    Args:
        output: The captured subprocess output.

    Returns:
        The output as a decoded string.
    """
    if output is None:
        return ""
    if isinstance(output, bytes):
        return output.decode(errors="replace")
    return output


@cache