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89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
"""
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统一日志配置模块
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提供统一的日志格式配置,确保所有模块使用相同的日志输出格式
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支持环境变量配置日志级别和输出文件,支持按日期的多日志文件
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"""
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import logging
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import logging.handlers
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import sys
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import os
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from pathlib import Path
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from datetime import datetime
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def setup_logging():
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"""设置统一的日志配置"""
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# 从环境变量读取配置
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log_level = os.getenv('LOG_LEVEL', 'INFO').upper()
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log_dir = os.getenv('LOG_DIR', './logs/')
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# 创建日志目录
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log_path = Path(log_dir)
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log_path.mkdir(parents=True, exist_ok=True)
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# 按日期生成日志文件名
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today = datetime.now().strftime('%Y-%m-%d')
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log_file = log_path / f'bionicmemory-{today}.log'
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# 统一格式:时间 - 级别 - 文件名:行号 - 消息
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format_string = '%(asctime)s - %(levelname)s - %(filename)s:%(lineno)d - %(message)s'
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date_format = '%Y-%m-%d %H:%M:%S'
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# 配置日志级别
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numeric_level = getattr(logging, log_level, logging.INFO)
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# 创建格式化器
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formatter = logging.Formatter(format_string, date_format)
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# 清除现有的处理器
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root_logger = logging.getLogger()
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for handler in root_logger.handlers[:]:
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root_logger.removeHandler(handler)
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# 控制台处理器(解决乱码问题)
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console_handler = logging.StreamHandler(sys.stdout)
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console_handler.setFormatter(formatter)
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console_handler.setLevel(numeric_level)
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# 设置控制台输出编码
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if hasattr(console_handler.stream, 'reconfigure'):
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console_handler.stream.reconfigure(encoding='utf-8')
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# 文件处理器(按日期轮转)
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file_handler = logging.handlers.TimedRotatingFileHandler(
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log_file,
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when='midnight', # 每天午夜轮转
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interval=1, # 间隔1天
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backupCount=30, # 保留30天的日志
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encoding='utf-8' # 解决乱码问题
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)
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file_handler.setFormatter(formatter)
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file_handler.setLevel(numeric_level)
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# 配置根日志器
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root_logger.setLevel(numeric_level)
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root_logger.addHandler(console_handler)
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root_logger.addHandler(file_handler)
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# 设置第三方库的日志级别,避免过多输出
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logging.getLogger('chromadb').setLevel(logging.WARNING)
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logging.getLogger('httpx').setLevel(logging.WARNING)
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logging.getLogger('httpcore').setLevel(logging.WARNING)
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logging.getLogger('urllib3').setLevel(logging.WARNING)
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logging.getLogger('transformers').setLevel(logging.WARNING)
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logging.getLogger('sentence_transformers').setLevel(logging.WARNING)
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def get_logger(name: str) -> logging.Logger:
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"""
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获取指定名称的日志器
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Args:
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name: 日志器名称,通常使用__name__
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Returns:
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配置好的日志器实例
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"""
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return logging.getLogger(name)
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# 在模块导入时自动设置默认日志配置
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setup_logging()
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