import logging

# 基本配置
logging.basicConfig(level=logging.WARNING,
                    format='%(asctime)s - %(levelname)s - %(message)s - %(lineno)d',
                    filename='app.log')

# 日志记录器
logger = logging.getLogger("ABC")

# 不同日志级别
logger.debug("debug log")
logger.info("info log")
logger.warning("warning log")
logger.error("error log")
logger.critical("critical log")