python之logging快速使用

python之logging快速使用

启动日志

def setup_logging(default_path="logging.yaml", default_level=logging.INFO, env_key="LOG_CFG"):
    path = default_path
    value = os.getenv(env_key, None)
    if value:
        path = value
    if os.path.exists(path):
        with open(path, "r") as f:
            config = yaml.load(f, Loader=yaml.FullLoader)
            logging.config.dictConfig(config)
    else:
        logging.basicConfig(level=default_level)

if __name__ == "__main__":
	# 文件夹不存在，要提前创建
	if not os.path.exists("logs/"):
        os.makedirs("logs/")
	setup_logging()
	loggin.info("start...")
	loggin.error("test error")

loggin.yaml

version: 1
disable_existing_loggers: False
formatters:
        simple:
            format: "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
handlers:
    console:
            class: logging.StreamHandler
            level: DEBUG
            formatter: simple
            stream: ext://sys.stdout
    info_file_handler:
            class: logging.handlers.RotatingFileHandler
            level: INFO
            formatter: simple
            filename: logs/info.log
            maxBytes: 104857600
            backupCount: 100
            encoding: utf8
    error_file_handler:
            class: logging.handlers.RotatingFileHandler
            level: ERROR
            formatter: simple
            filename: logs/errors.log
            maxBytes: 104857600
            backupCount: 20
            encoding: utf8
loggers:
    my_module:
            level: ERROR
            handlers: [info_file_handler]
            propagate: no
root:
    level: DEBUG
    handlers: [console,info_file_handler,error_file_handler]