python+logging+yaml日志分割

1、建立log.yaml文件

version: 1
disable_existing_loggers: False
formatters:
    simple:
        format: "%(asctime)s - %(filename)s - %(levelname)s - %(message)s"
        datefmt: '%F %T'

handlers:
    console:
        class: logging.StreamHandler
        level: DEBUG
        formatter: simple
        stream: ext://sys.stdout
    info_file_handler:
        class: logging.handlers.TimedRotatingFileHandler
        level: DEBUG
        formatter: simple
        filename: ./mylog/log.log   #这个路径根据自己的日志存放路径填写
        interval: 1
        backupCount: 2 #most 2 extensions
        encoding: utf8
        when: H #这里是按小时生成
root:
    level: INFO
    handlers: [console, info_file_handler]

2、在自己的app.py中引用log.yaml

import yaml
import logging.config
import os

def setup_logging(default_path='log.yaml', default_level=logging.INFO):
    """
    Setup logging configuration
    """
    if os.path.exists("mylog"):
        pass
    else:
        os.mkdir('mylog')
    path = default_path
    if os.path.exists(path):
        with open(path, 'rt') as f:
            config = yaml.load(f.read())
        logging.config.dictConfig(config)
    else:
        logging.basicConfig(level=default_level)
        print('the input path doesn\'t exist')
setup_logging(default_path='./log.yaml')
logger = logging.getLogger()

之后就可以在需要日志的业务节点上使用logger.info或者其他级别输出日志信息

3、生成的日志文件效果

python+logging+yaml日志分割_第1张图片

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