70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
import sys
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import traceback
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import logging
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from pathlib import Path
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from logging.handlers import RotatingFileHandler
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def setup_crash_logger():
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"""设置崩溃日志记录器"""
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# 创建logs/crash目录（如果不存在）
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crash_log_dir = Path("logs/crash")
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crash_log_dir.mkdir(parents=True, exist_ok=True)
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# 创建日志记录器
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crash_logger = logging.getLogger("crash_logger")
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crash_logger.setLevel(logging.ERROR)
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# 设置日志格式
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formatter = logging.Formatter(
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"%(asctime)s - %(name)s - %(levelname)s\n异常类型: %(exc_info)s\n详细信息:\n%(message)s\n-------------------\n"
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)
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# 创建按大小轮转的文件处理器（最大10MB，保留5个备份）
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log_file = crash_log_dir / "crash.log"
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file_handler = RotatingFileHandler(
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log_file,
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maxBytes=10 * 1024 * 1024, # 10MB
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backupCount=5,
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encoding="utf-8",
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)
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file_handler.setFormatter(formatter)
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crash_logger.addHandler(file_handler)
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return crash_logger
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def log_crash(exc_type, exc_value, exc_traceback):
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"""记录崩溃信息到日志文件"""
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if exc_type is None:
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return
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# 获取崩溃日志记录器
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crash_logger = logging.getLogger("crash_logger")
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# 获取完整的异常堆栈信息
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stack_trace = "".join(traceback.format_exception(exc_type, exc_value, exc_traceback))
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# 记录崩溃信息
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crash_logger.error(stack_trace, exc_info=(exc_type, exc_value, exc_traceback))
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def install_crash_handler():
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"""安装全局异常处理器"""
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# 设置崩溃日志记录器
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setup_crash_logger()
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# 保存原始的异常处理器
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original_hook = sys.excepthook
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def exception_handler(exc_type, exc_value, exc_traceback):
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"""全局异常处理器"""
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# 记录崩溃信息
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log_crash(exc_type, exc_value, exc_traceback)
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# 调用原始的异常处理器
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original_hook(exc_type, exc_value, exc_traceback)
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# 设置全局异常处理器
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sys.excepthook = exception_handler
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