python logging

`# -- coding:utf-8 --

功能：日志模块封装

import time
import logging
from logging import handlers
from pathlib import Path

class GetLogger(object):
""" 日志封装类 """

@classmethod
def get_logger(cls):
    # logger = logging.getLogger(__name__) # 不会打印 HTTP General 信息
    log = logging.getLogger()
    level_relations = {
        'NOTSET': logging.NOTSET,
        'DEBUG': logging.DEBUG,
        'INFO': logging.INFO,
        'WARNING': logging.WARNING,
        'ERROR': logging.ERROR,
        'CRITICAL': logging.CRITICAL
    }  # 日志级别关系映射

    # 创建日志存放的目录
    project_path = Path.cwd() # 获取项目根目录
    logs_dir = Path(project_path / "logs")
    if Path.exists(logs_dir) and Path.is_dir(logs_dir):
        pass
    else:
        Path.mkdir(logs_dir)
    # 日志文件以日期命名
    log_file_name = '%s.log' % time.strftime("%Y-%m-%d", time.localtime())
    log_file_path = Path(logs_dir / log_file_name)

    rotating_file_handler = handlers.TimedRotatingFileHandler(filename=log_file_path,
                                                              when='D',  # 按天分隔，一天一个文件
                                                              interval=30,
                                                              encoding='utf-8')

    # 日志输出格式
    # fmt = "%(asctime)s %(levelname)s %(pathname)s %(lineno)d %(message)s"
    # fmt = "%(name)s %(asctime)s %(created)f %(relativeCreated)d %(msecs)d %(levelname)s %(levelno)s %(pathname)s %(filename)s %(module)s %(funcName)s %(lineno)d %(process)d %(thread)d %(threadName)s %(message)s"
    fmt = "%(asctime)s %(created)f %(relativeCreated)d %(msecs)d %(levelname)s %(levelno)s %(pathname)s %(filename)s %(module)s %(funcName)s %(lineno)d %(process)d %(thread)d %(threadName)s %(message)s"

    formatter = logging.Formatter(fmt)
    rotating_file_handler.setFormatter(formatter)

    # 加上判断，避免重复打印日志
    if not log.handlers:
        # 控制台输出
        console = logging.StreamHandler()
        console.setLevel(level_relations["NOTSET"])
        console.setFormatter(formatter)
        # 写入日志文件
        log.addHandler(rotating_file_handler)
        log.addHandler(console)
        log.setLevel(level_relations['DEBUG'])
    return log

if name == 'main':
logger = GetLogger().get_logger()
logger.debug('调试')
logger.info('信息')
logger.warning('警告')
logger.error('报错')
logger.critical('严重')
`