61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
import datetime
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import logging
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import sys
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from zoneinfo import ZoneInfo
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from constants import LAUNCH_ON_LOCAL, LOG_DATE_FORMAT, LOG_FORMAT
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from environments import LOG_LEVEL, TZ
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class SingletonLogger:
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__logger: logging.Logger = None
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def __init__(self) -> None:
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# logger設定
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logger = logging.getLogger()
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formatter = logging.Formatter(
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LOG_FORMAT,
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LOG_DATE_FORMAT
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)
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formatter.converter = lambda *arg: datetime.datetime.now(ZoneInfo(TZ)).timetuple()
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# ローカル環境で動かす場合、標準出力ハンドラーを追加する
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# AWS Lambda上では`LambdaLoggerHandler`がデフォルトでセットされている
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if len(sys.argv) == 2 and sys.argv[1] == LAUNCH_ON_LOCAL:
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localHandler = logging.StreamHandler()
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logger.addHandler(localHandler)
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for handler in logger.handlers:
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handler.setFormatter(formatter)
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level = logging.getLevelName(LOG_LEVEL)
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logger.setLevel(level)
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self.__logger = logger
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def debug(self, log_id: str, msg: str):
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self._log(logging.DEBUG, log_id, msg)
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def info(self, log_id: str, msg: str):
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self._log(logging.INFO, log_id, msg)
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def warning(self, log_id: str, msg: str):
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self._log(logging.WARNING, log_id, msg)
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def error(self, log_id: str, msg: str):
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self._log(logging.ERROR, log_id, msg)
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def exception(self, log_id: str, msg: str):
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self._log(logging.ERROR, log_id, msg, exc_info=True)
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def _log(self, log_level: int, log_id: str, msg: str, exc_info=False):
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self.__logger.log(log_level, f'{log_id} {msg}', exc_info=exc_info)
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class MeDaCaLogger:
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__unique_instance: logging.Logger = None
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@staticmethod
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def get_logger() -> SingletonLogger:
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# インスタンス未生成の場合、唯一のインスタンスを生成する
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if not MeDaCaLogger.__unique_instance:
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MeDaCaLogger.__unique_instance = SingletonLogger()
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return MeDaCaLogger.__unique_instance
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