# logger_util.py

<code>
import logging
import multiprocessing


class LoggerUtil:
    formatter = logging.Formatter("%(asctime)s [%(levelname)8.8s] %(message)s")
    stream_handler = logging.StreamHandler()
    stream_handler.setFormatter(formatter)

    @classmethod
    def get_multiprocessing_logger(cls):
        mp_logger = multiprocessing.get_logger()
        mp_logger.addHandler(cls.stream_handler)
        return mp_logger

    @classmethod
    def set_info(cls):
        cls.base_config(logging.INFO)

    @classmethod
    def set_warn(cls):
        cls.base_config(logging.WARN)

    @classmethod
    def base_config(cls, level: int):
        logging.basicConfig(
            level=level,
            format="{asctime} [{levelname:<8}] {message}",
            handlers=[
                logging.FileHandler(
                    filename=f"{__file__[:-3]}.log",
                ),
                logging.StreamHandler(),
            ],
        )

        mp_logger = multiprocessing.get_logger()
        mp_logger.setLevel(level)

</code>

<code>
import logging
import multiprocessing

logger = logging.getLogger()


class LoggerUtil:
    # logging.root.handlers = []

    formatter = logging.Formatter("%(asctime)s [%(levelname)8.8s] %(message)s")
    stream_handler = logging.StreamHandler()
    stream_handler.setFormatter(formatter)

    @classmethod
    def get_multiprocessing_logger(cls):
        mp_logger = multiprocessing.get_logger()
        mp_logger.addHandler(cls.stream_handler)
        return mp_logger

    @classmethod
    def set_info(cls):
        logging.basicConfig(
            level=logging.INFO,
            format="%(asctime)s [%(levelname)8.8s] %(message)s",
        )

        mp_logger = multiprocessing.get_logger()
        mp_logger.setLevel(logging.INFO)

    @classmethod
    def set_warn(cls):
        logging.basicConfig(
            level=logging.WARN,
            format="%(asctime)s [%(levelname)8.8s] %(message)s",
        )

        mp_logger = multiprocessing.get_logger()
        mp_logger.setLevel(logging.WARN)

</code>