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# -*- coding: utf-8 -*-
"""
日志工具模块
提供统一的日志记录机制
"""
import logging
import os
import sys
from logging.handlers import RotatingFileHandler
from datetime import datetime
from config import Config
class Logger:
"""日志管理类"""
def __init__(self, name, log_dir="logs"):
"""
初始化日志记录器
Args:
name: 日志记录器名称
log_dir: 日志文件保存目录
"""
self.name = name
self.log_dir = log_dir
# 创建日志目录
if not os.path.exists(log_dir):
os.makedirs(log_dir)
# 设置日志文件名,包含日期
today = datetime.now().strftime("%Y-%m-%d")
log_file = os.path.join(log_dir, f"{name}_{today}.log")
# 创建日志记录器
self.logger = logging.getLogger(name)
self.logger.setLevel(getattr(logging, Config.LOG_LEVEL))
# 如果已经添加了处理器,则不再添加
if self.logger.handlers:
return
# 创建文件处理器,设置轮转,最大10MB,保留5个备份
file_handler = RotatingFileHandler(
log_file,
maxBytes=10*1024*1024, # 10MB
backupCount=5,
encoding='utf-8'
)
file_handler.setLevel(getattr(logging, Config.LOG_LEVEL))
# 创建控制台处理器
console_handler = logging.StreamHandler(sys.stdout)
console_handler.setLevel(getattr(logging, Config.LOG_LEVEL))
# 设置日志格式
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
file_handler.setFormatter(formatter)
console_handler.setFormatter(formatter)
# 将处理器添加到记录器
self.logger.addHandler(file_handler)
self.logger.addHandler(console_handler)
def get_logger(self):
"""获取日志记录器"""
return self.logger
# 创建默认的应用日志记录器
app_logger = Logger("ai_answer_service").get_logger()