def METHOD_NAME():
    """Check rar unpacking support."""
    try:
        rarfile.custom_check([rarfile.UNRAR_TOOL], True)
    except rarfile.RarExecError:
        logger.log('UNRAR tool not available.', logger.WARNING)
        return False
    except Exception as msg:
        logger.log('Rar Not Supported: {error}'.format(error=ex(msg)), logger.ERROR)
        return False
    return True