Auto-install svraster CUDA extension from source

app.py

@@ -6,6 +6,12 @@ Created on Mon Oct  6 10:16:31 2025
 """
 
 # Copyright (c) 2025, NVIDIA CORPORATION.  All rights reserved.
+import subprocess, os
+
+cuda_path = os.path.join(os.path.dirname(__file__), "svraster/cuda")
+if os.path.exists(cuda_path):
+    print("🧩 Installing svraster CUDA extension from source...")
+    subprocess.run(["pip", "install", cuda_path], check=True)
 
 import os
 import time

requirements.txt

@@ -26,4 +26,3 @@ pycolmap
 opencv-python-headless
 
 # Local CUDA extension (editable install)
--e ./svraster/cuda