ModelTranslator: Quit/RunRizomUV 走超时通道防挂死 + _call 分支单测（审查修复）

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Tools/ModelTranslator/rizom_unwrap.py

@@ -53,7 +53,8 @@ def find_rizomuv(cli_arg=None, use_registry=True, default=DEFAULT_RIZOM):
 
 
 def _import_link(exe):
-    """从 RizomUV 安装目录动态引入官方 RizomUVLink 模块（随安装自带，MIT）。"""
+    """从 RizomUV 安装目录动态引入官方 RizomUVLink 模块（随安装自带，MIT）。
+    同进程只支持单一安装路径（import 缓存，首次 import 后不会再切换目录）。"""
     link_dir = os.path.join(os.path.dirname(exe), "RizomUVLink")
     if not os.path.isdir(link_dir):
         raise RizomError("RizomUVLink 目录不存在：%s" % link_dir)
@@ -95,8 +96,8 @@ def rizom_unwrap(fbx_path, exe, map_res=MAP_RES, padding_px=PADDING_PX):
     mod = _import_link(exe)
     link = mod.CRizomUVLink()
     try:
-        link.RunRizomUV(exePath=exe)
+        _call("RunRizomUV", lambda _p: link.RunRizomUV(exePath=exe), None, timeout=60)
-    except Exception as e:
+    except RizomError as e:
         raise RizomError("RizomUV 启动失败（license/环境）：%s" % e)
     fbx_abs = os.path.abspath(fbx_path)
     pad_uv = float(padding_px) / map_res
@@ -137,6 +138,6 @@ def rizom_unwrap(fbx_path, exe, map_res=MAP_RES, padding_px=PADDING_PX):
         _call("Save", link.Save, {"File.Path": fbx_abs})
     finally:
         try:
-            link.Quit({})
+            _call("Quit", link.Quit, {}, timeout=10)
         except Exception:
-            pass
+            print("[警告] RizomUV Quit 未确认，可能残留 rizomuv 进程占用 license")

Tools/ModelTranslator/tests/test_rizom_unwrap.py

@@ -1,5 +1,6 @@
 import os
 import sys
+import time
 import unittest
 from unittest import mock
 
@@ -35,5 +36,19 @@ class TestFindRizomuv(unittest.TestCase):
         self.assertTrue(os.path.isfile(p), "注册表返回值应是真实 exe：%s" % p)
 
 
+class TestCall(unittest.TestCase):
+    def test_timeout_raises(self):
+        with self.assertRaises(ru.RizomError) as cm:
+            ru._call("Slow", lambda p: time.sleep(1.0), None, timeout=0.05)
+        self.assertIn("超时", str(cm.exception))
+
+    def test_error_dict_raises(self):
+        with self.assertRaises(ru.RizomError):
+            ru._call("Bad", lambda p: {"Error": {"Msg": "x", "Code": 1}}, {})
+
+    def test_normal_dict_passes_through(self):
+        self.assertEqual(ru._call("Ok", lambda p: {"Data": 1}, {}), {"Data": 1})
+
+
 if __name__ == "__main__":
     unittest.main()