fix bug

main.py

@@ -0,0 +1,131 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Linux 存储管理器 - 统一入口 (Tkinter 版本)
+统一使用 Tkinter GUI 后端
+支持 Arch Linux 和 CentOS/RHEL 8
+"""
+
+import sys
+import os
+import logging
+
+# 确保可以导入本地模块
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+from platform_compat import check_prerequisites
+
+
+def setup_logging():
+    """配置日志"""
+    logging.basicConfig(
+        level=logging.INFO,
+        format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+        handlers=[
+            logging.StreamHandler(sys.stdout)
+        ]
+    )
+
+
+def show_error_dialog(title, message):
+    """显示错误对话框"""
+    print(f"\n{'='*60}")
+    print(f"错误: {title}")
+    print(f"{'='*60}")
+    print(message)
+    print(f"{'='*60}\n")
+    
+    # 使用 tkinter 显示图形错误对话框
+    try:
+        import tkinter as tk
+        from tkinter import messagebox
+        root = tk.Tk()
+        root.withdraw()
+        messagebox.showerror(title, message)
+        root.destroy()
+    except Exception:
+        pass
+
+
+def get_installation_guide():
+    """获取安装指南"""
+    return """安装指南:
+
+Arch Linux:
+  sudo pacman -S python python-tkinter parted mdadm lvm2
+  sudo pacman -S dosfstools e2fsprogs xfsprogs ntfs-3g
+  pip3 install pexpect
+
+CentOS 8 / RHEL 8:
+  sudo yum install -y python3 python3-tkinter parted mdadm lvm2
+  sudo yum install -y dosfstools e2fsprogs xfsprogs ntfs-3g
+  pip3 install pexpect
+"""
+
+
+def main():
+    """主入口函数"""
+    setup_logging()
+    logger = logging.getLogger(__name__)
+    
+    logger.info("="*60)
+    logger.info("Linux 存储管理器启动 (Tkinter)")
+    logger.info("="*60)
+    
+    # 检查 tkinter 是否可用
+    try:
+        import tkinter as tk
+        logger.info("Tkinter 已加载")
+    except ImportError as e:
+        show_error_dialog(
+            "启动失败",
+            f"无法加载 Tkinter: {e}\n\n"
+            "请安装 tkinter:\n"
+            "  CentOS 8: sudo yum install python3-tkinter\n"
+            "  Arch Linux: sudo pacman -S tk\n"
+        )
+        sys.exit(1)
+    
+    # 检查前提条件
+    passed, errors, warnings = check_prerequisites()
+    
+    if not passed:
+        error_msg = "系统缺少必要的依赖:\n\n"
+        for e in errors:
+            error_msg += f"  • {e}\n"
+        error_msg += "\n" + get_installation_guide()
+        
+        show_error_dialog("启动失败", error_msg)
+        sys.exit(1)
+    
+    # 显示警告
+    for w in warnings:
+        logger.warning(w)
+    
+    logger.info("启动 Tkinter 主窗口")
+    
+    try:
+        # 统一使用 Tkinter 版本
+        from mainwindow_tkinter import MainWindow
+        
+        root = tk.Tk()
+        app = MainWindow(root)
+        root.mainloop()
+            
+    except ImportError as e:
+        logger.exception("导入模块失败")
+        show_error_dialog(
+            "启动失败",
+            f"无法加载 GUI 模块: {e}\n\n"
+            "请检查依赖是否正确安装。\n\n" +
+            get_installation_guide()
+        )
+        sys.exit(1)
+    except Exception as e:
+        logger.exception("启动过程中发生错误")
+        show_error_dialog("启动失败", f"发生错误: {e}")
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()