增加日志
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85
lib/logger.py
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85
lib/logger.py
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import os
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import logging
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from logging.handlers import RotatingFileHandler
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from datetime import datetime
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_loggers = {}
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def get_logger(name='app'):
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"""
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获取日志记录器
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Args:
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name: 日志名称(对应日志文件名)
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Returns:
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logging.Logger: 日志记录器
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"""
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if name in _loggers:
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return _loggers[name]
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# 日志目录
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log_dir = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), 'logs')
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os.makedirs(log_dir, exist_ok=True)
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# 日志文件路径
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log_file = os.path.join(log_dir, f'{name}.log')
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# 创建 logger
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logger = logging.getLogger(name)
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logger.setLevel(logging.INFO)
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logger.propagate = False
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# 避免重复添加 handler
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if logger.handlers:
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_loggers[name] = logger
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return logger
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# 日志格式
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formatter = logging.Formatter(
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'%(asctime)s | %(levelname)-7s | %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S'
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)
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# 文件 handler(按大小轮转,最多 5 个备份,每个 10MB)
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file_handler = RotatingFileHandler(
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log_file,
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maxBytes=10 * 1024 * 1024,
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backupCount=5,
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encoding='utf-8'
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)
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file_handler.setLevel(logging.INFO)
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file_handler.setFormatter(formatter)
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logger.addHandler(file_handler)
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# 控制台 handler
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console_handler = logging.StreamHandler()
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console_handler.setLevel(logging.INFO)
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console_handler.setFormatter(formatter)
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logger.addHandler(console_handler)
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_loggers[name] = logger
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return logger
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def log_info(message, module='app'):
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"""记录信息日志"""
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get_logger(module).info(message)
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def log_error(message, module='app'):
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"""记录错误日志"""
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get_logger(module).error(message)
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import traceback
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get_logger(module).error(traceback.format_exc())
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def log_warning(message, module='app'):
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"""记录警告日志"""
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get_logger(module).warning(message)
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def log_debug(message, module='app'):
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"""记录调试日志"""
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get_logger(module).debug(message)
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