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logger_config.py
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import logging
import os
from logging.handlers import RotatingFileHandler
from datetime import datetime
def setup_logger():
# 创建日志目录
log_dir = 'logs'
if not os.path.exists(log_dir):
os.makedirs(log_dir)
# 配置日志格式
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
# 创建两个处理器:一个用于控制台输出,一个用于文件输出
console_handler = logging.StreamHandler()
console_handler.setFormatter(formatter)
# 使用 RotatingFileHandler 进行日志轮转
file_handler = RotatingFileHandler(
filename=os.path.join(log_dir, f'app_{datetime.now().strftime("%Y%m%d")}.log'),
maxBytes=10*1024*1024, # 10MB
backupCount=5,
encoding='utf-8'
)
file_handler.setFormatter(formatter)
# 获取根日志记录器
logger = logging.getLogger()
logger.setLevel(logging.INFO)
# 添加处理器
logger.addHandler(console_handler)
logger.addHandler(file_handler)
return logger