201 lines
7.8 KiB
Python
201 lines
7.8 KiB
Python
import sys
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import logging
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import os
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import tempfile
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import traceback
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from logging.handlers import TimedRotatingFileHandler
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from datetime import datetime
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from PySide6.QtWidgets import QApplication, QMessageBox
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from PySide6.QtCore import QTranslator, QLocale, QLibraryInfo
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from widgets.login_widget import LoginWidget
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from utils.menu_translator import MenuTranslator
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from utils.config_loader import ConfigLoader
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# 自定义异常处理器
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def global_exception_handler(exctype, value, tb):
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"""全局异常处理器，捕获未处理的异常并记录日志"""
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error_msg = ''.join(traceback.format_exception(exctype, value, tb))
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logging.critical(f"未捕获的异常: {error_msg}")
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# 如果已经有QApplication实例，显示错误对话框
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if QApplication.instance():
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QMessageBox.critical(None, "系统错误",
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f"发生了未处理的错误:\n{value}\n\n请联系管理员并提供日志文件。")
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# 调用原始的异常处理器
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sys.__excepthook__(exctype, value, tb)
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# 安装全局异常处理器
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sys.excepthook = global_exception_handler
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# 设置日志目录
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log_dir = 'logs'
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temp_log_dir = None
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# 尝试使用应用程序目录
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try:
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if not os.path.exists(log_dir):
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os.makedirs(log_dir, exist_ok=True)
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# 测试目录是否可写
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test_file = os.path.join(log_dir, 'test_write.tmp')
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with open(test_file, 'w') as f:
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f.write('test')
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os.remove(test_file)
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logging.basicConfig(level=logging.INFO, format='%(message)s')
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logging.info(f"使用应用程序日志目录: {os.path.abspath(log_dir)}")
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except (OSError, PermissionError) as e:
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# 如果应用程序目录不可用或不可写，使用临时目录
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temp_log_dir = os.path.join(tempfile.gettempdir(), 'app_logs')
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log_dir = temp_log_dir
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try:
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if not os.path.exists(log_dir):
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os.makedirs(log_dir, exist_ok=True)
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logging.basicConfig(level=logging.INFO, format='%(message)s')
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logging.info(f"无法使用应用程序日志目录，原因: {e}")
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logging.info(f"使用临时日志目录: {log_dir}")
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except Exception as e2:
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# 如果临时目录也失败，只使用控制台输出
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print(f"无法创建日志目录，将只使用控制台输出: {e2}")
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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# 配置全局日志
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# 使用日期命名日志文件
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today = datetime.now().strftime('%Y-%m-%d')
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log_file_path = os.path.join(log_dir, f'app_{today}.log')
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try:
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# 创建一个TimedRotatingFileHandler，每天轮换一次日志文件
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file_handler = TimedRotatingFileHandler(
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log_file_path,
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when='midnight', # 每天午夜轮换
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interval=1, # 轮换间隔为1天
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backupCount=30, # 保留30天的日志
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encoding='utf-8' # 使用UTF-8编码
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)
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# 配置日志格式
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log_format = logging.Formatter('%(asctime)s - %(levelname)s - %(name)s - [%(funcName)s:%(lineno)d] - %(message)s')
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file_handler.setFormatter(log_format)
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# 控制台输出处理器
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console_handler = logging.StreamHandler(sys.stdout)
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console_handler.setFormatter(log_format)
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# 配置根日志记录器
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root_logger = logging.getLogger()
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root_logger.setLevel(logging.INFO) # 将默认级别设为INFO，减少DEBUG级别的输出
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# 清除已有的handlers
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for handler in root_logger.handlers[:]:
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root_logger.removeHandler(handler)
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root_logger.addHandler(file_handler)
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root_logger.addHandler(console_handler)
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logging.info("=================================================================")
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logging.info("应用程序启动")
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logging.info(f"Python version: {sys.version}")
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logging.info(f"Working directory: {os.getcwd()}")
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logging.info(f"日志文件: {log_file_path}")
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except Exception as e:
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# 如果文件处理器创建失败，仅使用控制台输出
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logging.error(f"无法设置日志文件，将只使用控制台输出: {e}")
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# 确保根logger至少有一个控制台处理器
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root_logger = logging.getLogger()
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if not root_logger.handlers:
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console_handler = logging.StreamHandler(sys.stdout)
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console_format = logging.Formatter('%(asctime)s - %(levelname)s - %(name)s - [%(funcName)s:%(lineno)d] - %(message)s')
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console_handler.setFormatter(console_format)
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root_logger.addHandler(console_handler)
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logging.info("=================================================================")
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logging.info("应用程序启动 (仅控制台日志)")
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logging.info(f"Python version: {sys.version}")
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logging.info(f"Working directory: {os.getcwd()}")
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def main():
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"""主程序入口"""
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app = QApplication(sys.argv)
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logging.info("=====================================================")
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logging.info(" 应用程序启动 ")
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logging.info("=====================================================")
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try:
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# 读取配置
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config = ConfigLoader.get_instance()
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# 打印关键配置信息
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enable_serial_ports = config.get_value('serial.printer.enabled', False)
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# 键盘监听器配置信息
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enable_keyboard_listener = config.get_value('serial.keyboard.enabled', False)
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logging.info(f"配置信息 - 启用串口: {enable_serial_ports}, 启用键盘监听: {enable_keyboard_listener}")
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# 设置中文翻译器
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translator = QTranslator(app)
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# 使用兼容新旧版本的方式获取翻译路径
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try:
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# 新版本API
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translations_path = QLibraryInfo.path(QLibraryInfo.LibraryPath.TranslationsPath)
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except AttributeError:
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# 旧版本API
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translations_path = QLibraryInfo.location(QLibraryInfo.TranslationsPath)
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# 尝试加载翻译文件
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translation_loaded = translator.load("qt_zh_CN", translations_path)
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# 如果加载失败，尝试在可执行文件目录下查找翻译文件
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if not translation_loaded and getattr(sys, 'frozen', False):
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# 打包后的应用
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app_dir = os.path.dirname(sys.executable)
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possible_paths = [
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os.path.join(app_dir, "translations"),
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os.path.join(app_dir, "PySide6", "translations"),
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os.path.join(app_dir, "Qt", "translations"),
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]
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for path in possible_paths:
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if os.path.exists(path):
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if translator.load("qt_zh_CN", path):
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translation_loaded = True
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translations_path = path
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break
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app.installTranslator(translator)
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# 设置应用程序的本地化
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locale = QLocale(QLocale.Chinese, QLocale.China)
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QLocale.setDefault(locale)
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# 安装菜单翻译器
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MenuTranslator.install_menu_translator(app)
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logging.info(f"已设置中文翻译器，翻译路径: {translations_path}，加载状态: {translation_loaded}")
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# 创建db目录（如果不存在）
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os.makedirs('db', exist_ok=True)
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# 检查数据库是否存在，如果不存在则初始化
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if not os.path.exists('db/jtDB.db'):
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from utils.init_db import init_database
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init_database()
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logging.info("初始化数据库完成")
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login_widget = LoginWidget()
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login_widget.show()
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exit_code = app.exec()
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logging.info(f"应用程序退出，退出码: {exit_code}")
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sys.exit(exit_code)
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except Exception as e:
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logging.critical(f"严重错误: {e}", exc_info=True)
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print(f"严重错误: {e}") # 确保即使日志系统故障也能看到错误
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sys.exit(1)
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if __name__ == "__main__":
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main() |