update file struct
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90
base/LogHelper.py
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90
base/LogHelper.py
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"""
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日志管理类
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日志输出到运行目录指定文件夹
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日志文件按照:YYYY-MM-dd.log 格式输出
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"""
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import logging
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import sys
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import os
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from datetime import datetime
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class LogHelper:
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# 内部日志级别映射表
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_LEVEL_MAP = {
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'DEBUG': 10,
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'INFO': 20,
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'WARNING': 30,
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'ERROR': 40,
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'CRITICAL': 50
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}
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def __init__(self,
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level='INFO',
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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handlers=None,
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log_dir="logs",
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logger_name=None):
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"""
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初始化日志配置
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:param level: 日志级别,默认为 logging.INFO
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:param format: 日志格式字符串
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:param handlers: 日志处理器列表,默认为空(会自动添加控制台处理器)
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:param log_dir: 日志存储目录,默认为"logs"
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"""
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self.level = self._LEVEL_MAP.get(level.upper(), 20) # 默认INFO
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self.format = format
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self.handlers = handlers if handlers is not None else []
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self.log_dir = log_dir
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self.logger_name = logger_name
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# 确保日志目录存在
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os.makedirs(self.log_dir, exist_ok=True)
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def add_console_handler(self, stream=sys.stdout, encoding='utf-8'):
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"""添加控制台处理器"""
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console_handler = logging.StreamHandler(stream)
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console_handler.setFormatter(logging.Formatter(self.format))
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if encoding:
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console_handler.encoding = encoding
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self.handlers.append(console_handler)
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return self # 支持链式调用
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def _get_daily_log_path(self):
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"""生成基于当前日期的日志文件路径"""
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today = datetime.now().strftime("%Y-%m-%d")
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filename = f"{today}.log"
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return os.path.join(self.log_dir, filename)
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def _add_daily_file_handler(self, encoding='utf-8'):
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"""添加按日期自动创建的文件处理器"""
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log_path = self._get_daily_log_path()
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file_handler = logging.FileHandler(log_path, encoding=encoding)
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file_handler.setFormatter(logging.Formatter(self.format))
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self.handlers.append(file_handler)
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return self # 支持链式调用
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def setup(self):
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"""应用日志配置(自动添加日期文件处理器)"""
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# 如果未提供任何处理器,默认添加控制台和日期文件处理器
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if not self.handlers:
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self.add_console_handler()
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self._add_daily_file_handler()
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# 获取或创建logger
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logger = logging.getLogger(self.logger_name)
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logger.setLevel(self.level)
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# 移除所有现有处理器(避免重复添加)
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for handler in logger.handlers[:]:
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logger.removeHandler(handler)
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# 添加配置的处理器
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for handler in self.handlers:
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logger.addHandler(handler)
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# 确保日志消息不会传递给父logger(避免重复记录)
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logger.propagate = False
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return logger
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