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【Python】ロギングライブラリ loguru

ナイトウコウスケナイトウコウスケ
from loguru import logger

import sys

logger.info("This is an info message.")

# デフォルトのロガーを削除
logger.remove()
logger.add(
    sys.stdout,
    format="{time:YYYY-MM-DD HH:mm:ss.SSSS} | {level} | in {file} at line:{line} {name} | {message} ",
)

logger.info("This is an info message.")

実行

$ rye run python src/try_loguru/main.py  
2024-08-15 14:30:58.171 | INFO     | __main__:<module>:5 - This is an info message.
2024-08-15 14:30:58.1720 | INFO | in main.py at line:14 __main__ | This is an info message.