https://docs.python.org/zh-cn/3/howto/logging.html#logging-advanced-tutorial
解释器用于标准输入、标准输出和标准错误的 文件对象：
stdin用于所有交互式输入（包括对input()的调用）；stdout用于print()和 expression 语句的输出，以及用于input()的提示符；解释器自身的提示符和它的错误消息都发往
stderr。
test.yml
version: 1
formatters:
simpleFormatter:
format: '[%(asctime)s] %(name)-25s [%(levelname)-6s]: %(message)s'
handlers:
console:
class: logging.StreamHandler
level: DEBUG
formatter: simpleFormatter
stream: ext://sys.stdout
eastmoneyHandlers:
class : logging.handlers.RotatingFileHandler
formatter: simpleFormatter
filename: ...\log\eastmoney.log
maxBytes: 1024000
encoding: utf-8
backupCount: 5
loggers:
simpleExample:
level: DEBUG
handlers: [console]
propagate: no
others.eastmoney:
level: DEBUG
handlers: [eastmoneyHandlers, console]
propagate: no
root:
level: WARNING
handlers: [console]
demo.py
import logging
from logging import config
import yaml
with open(r"./test.yml", 'r', encoding="utf-8") as f:
logging_yaml = yaml.load(stream=f, Loader=yaml.FullLoader)
# 配置logging日志：主要从文件中读取handler的配置、formatter（格式化日志样式）、logger记录器的配置
logging.config.dictConfig(config=logging_yaml)
# 获取根记录器：配置信息从yaml文件中获取
log = logging.getLogger("others.eastmoney")
log.info("INFO输出")
log.error('ERROR输出')
log.debug("DEBUG输出")
