python logging使用封装

log文件路径在初始化时更换为绝对路径，可避免在win32services中使用时为pythonservices所在路径而非.py文件所在路径导致错误而无法写日志。

使用： import myloger.py

#logger = logging.getLogger()

#logger.info('aaaaaaq')

#或import logging后直接使用

logging.info('5555555555')

1、log.yaml配置文件：

version: 1
disable_existing_loggers: False
formatters:
 simple:
  format: "%(asctime)s - %(filename)s - %(levelname)s - %(message)s"
  datefmt: '%F %T'
 simple1:
  format: '%(asctime)s %(levelname)s %(message)s'
 upgrade:
  format: "%(asctime)s -Loc %(filename)s -Pid %(process)d -%(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.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: D #这里是D,H则按小时生成
root:
 level: INFO
 handlers: [console, info_file_handler]

2、myloger.py

import yaml
import logging.config
import os


def setup_logging(yamlcfg_path='./config/log.yaml', default_level=logging.INFO):
    """
    Setup logging configuration
    """
    #更换为绝对路径，可避免在win32services中使用时为pythonservices所在路径而非.py文件所在路径导致错误而无法写日志。
    cur_path=os.path.abspath(os.curdir)
    logf_file=os.path.join(cur_path,'mylog','info.log')
    
    log_path=os.path.split(logf_file)[0]
    
    if os.path.exists(log_path):
        pass
    else:
        os.makedirs(log_path)
        
    path = yamlcfg_path
        
    if os.path.exists(path):
        with open(path, 'rt',encoding='utf-8') as f:
            config = yaml.safe_load(f.read())
            #print(config['handlers']['info_file_handler']['filename'])
            config['handlers']['info_file_handler']['filename']=logf_file
            #print(config['handlers']['info_file_handler']['filename'])
            
        logging.config.dictConfig(config)
    else:
        logging.basicConfig(level=default_level)
        print('the input yaml path doesn\'t exist')


setup_logging(yamlcfg_path='./config/log.yaml')

#使用：
#logger = logging.getLogger()
#logger.info('aaaaaaq')
#或import logging后直接使用
logging.info('5555555555')