fix: address CUPS runtime review findings and add regression tests

cups-driver-manager/driver_manager.py

@@ -216,6 +216,47 @@ def install_deb(filepath):
 
     return results
 
+def install_deb_bundle(filepaths):
+    """先检查包元数据，仅安装本机架构和架构无关的 DEB。"""
+    host = run_command(['dpkg', '--print-architecture'])
+    architecture = host['stdout'].strip()
+    if not host['success'] or not architecture:
+        return [('检测系统架构', {
+            **host, 'success': False, 'returncode': host['returncode'] or 1,
+            'stderr': host['stderr'] or '无法检测 dpkg 系统架构，未安装任何驱动包'
+        })]
+
+    results = []
+    compatible = []
+    # 完成全部检查后再安装，避免读取损坏的包时已经修改了系统。
+    for filepath in filepaths:
+        metadata = run_command(['dpkg-deb', '--field', str(filepath), 'Architecture'])
+        package_architecture = metadata['stdout'].strip()
+        if not metadata['success'] or not package_architecture:
+            results.append((f'检查 DEB 架构: {Path(filepath).name}', {
+                **metadata, 'success': False, 'returncode': metadata['returncode'] or 1,
+                'stderr': metadata['stderr'] or '无法读取包的 Architecture 字段，未安装任何驱动包'
+            }))
+            return results
+        if package_architecture in (architecture, 'all'):
+            compatible.append(str(filepath))
+        else:
+            results.append(('跳过其他架构 DEB', {
+                'success': True, 'returncode': 0, 'stderr': '',
+                'stdout': f'{Path(filepath).name}: {package_architecture}，当前系统为 {architecture}'
+            }))
+
+    if not compatible:
+        results.append(('选择兼容 DEB', {
+            'success': False, 'returncode': 1, 'stdout': '',
+            'stderr': f'未找到适用于 {architecture} 或 all 架构的驱动包'
+        }))
+        return results
+
+    for filepath in compatible:
+        results.extend(install_deb(filepath))
+    return results
+
 def install_ppd(filepath):
     """安装 .ppd 文件"""
     results = []
@@ -266,9 +307,7 @@ def install_extracted_dir(extract_dir):
 
     deb_files = find_files_by_suffix(extract_dir, ('.deb',))
     if deb_files:
-        for deb_file in deb_files:
-            results.extend(install_deb(str(deb_file)))
-        return results
+        return install_deb_bundle(deb_files)
 
     rpm_files = find_files_by_suffix(extract_dir, ('.rpm',))
     if rpm_files:
@@ -424,7 +463,7 @@ def install_script(filepath):
 def install_driver(filepath, file_type):
     """根据文件类型安装驱动"""
     if file_type == 'deb':
-        return install_deb(filepath)
+        return install_deb_bundle([filepath])
     elif file_type == 'ppd':
         return install_ppd(filepath)
     elif file_type in ('tar.gz', 'tar', 'tgz'):