main ¤

def __init__(
    self,
    config: Optional[NendoConfig] = None,
    plugins: Optional[List[str]] = None,
    logger: Optional[logging.Logger] = None,
) -> None:
    """Create a new nendo instance.

    Args:
        config (NendoConfig, optional): Custom settings to apply to this instance.
        plugins (str, optional): list of plugins to load. Defaults to None.
        logger (logging.Logger, optional): Logger to use. Defaults to none.
    """
    if hasattr(self, "_initialized") and self._initialized:
        return
    self.logger = logger or nendo_logger
    self.config = config or settings
    self.plugins = schema.NendoPluginRegistry()
    plugin_names = plugins or self.config.plugins
    if self.config.log_file_path == "":
        logging.basicConfig(
            level=self.config.log_level.upper(),
            datefmt="%Y-%m-%dT%H:%M:%S",
            format=log_fmt,
        )
    else:
        if (
            not os.path.isdir(os.path.dirname(self.config.log_file_path))
            or os.path.basename(self.config.log_file_path) == ""
        ):
            self.logger.error(
                "Config var log_file_path has been set but path is not "
                "valid or no filename specified. Please fix your configuration.",
            )
            sys.exit(-1)
        logging.basicConfig(
            filename=self.config.log_file_path,
            level=self.config.log_level.upper(),
            datefmt="%Y-%m-%dT%H:%M:%S",
            format=log_fmt,
        )
    self._load_plugins(plugin_names=plugin_names)
    # initialize nendo library
    if self.config.library_plugin == "default":
        self.logger.info("Using DuckDBLibrary")
        self.library = lib.DuckDBLibrary(
            nendo_instance=self,
            config=self.config,
            logger=self.logger,
            plugin_name="DuckDBLibrary",
            plugin_version="0.1.1",
        )
    else:
        self.logger.info(f"Loading {self.config.library_plugin}")
        self.library = self._load_plugin(module_name=self.config.library_plugin)
    self._initialized = True