Update app.py

app.py

@@ -1,7 +1,51 @@
+import sys
+from types import ModuleType
+
+# --- 🧪 终极暴力：内存级伪造 diso 包 ---
+def mock_diso():
+    print("🧪 Creating emergency mock for diso...")
+    
+    # 1. 创建基础模块对象
+    diso = ModuleType("diso")
+    # 2. 伪造 DiffDMC 类
+    # PartCrafter 调用它通常是为了从网格提取几何，我们给它一个空的实现
+    # 如果后续运行报错缺少某个方法，我们再补。通常它是被导入但未被深度调用。
+    class FakeDiffDMC:
+        def __init__(self, *args, **kwargs): pass
+        def __call__(self, *args, **kwargs): return None
+
+    diso.DiffDMC = FakeDiffDMC
+    
+    # 3. 注入系统路径，防止其他地方再次触发 import
+    sys.modules["diso"] = diso
+    # 针对 diso._C 的报错，也伪造一个空模块
+    sys.modules["diso._C"] = ModuleType("diso._C")
+    
+    print("✅ diso has been mocked successfully!")
+
+mock_diso()
+
+# --- 正常的安装流程 (保留已成功的 scatter/sparse) ---
+def install_essential_packages():
+    # scatter 等包你已经安装成功了，这里只做一次性快速确认
+    subprocess.run([
+        sys.executable, "-m", "pip", "install", 
+        "torch-scatter", "torch-sparse", "torch-cluster",
+        "-f", "https://data.pyg.org/whl/torch-2.4.0+cu121.html"
+    ])
+    # 安装剩下的轻量级包
+    subprocess.run([sys.executable, "-m", "pip", "install", "pyrender", "pyopengl==3.1.0", "pyyaml", "-q"])
+
+install_essential_packages()
+
+# --- 现在可以安全地 import 业务代码了 ---
+from src.pipelines.pipeline_partcrafter import PartCrafterPipeline
+# ... 后续代码 ...
+
 import spaces
 import gradio as gr
 import os
-import sys
+# import sys
 import subprocess
 import importlib
 import site