Fix CLIP loading: Use /data cache for config.py

code/cube3d/config.py

@@ -59,38 +59,14 @@ CAR_1K_DIR = DATA_DIR / "car_1k"
 CAR_DATA_DIR = DATA_DIR / "1313个筛选车结构和对照渲染图"
 
 # HuggingFace model cache directory
-# Note: preload_from_hub ALWAYS saves to ~/.cache/huggingface/hub
-# It does NOT respect HF_HOME environment variable (HF official docs confirmed)
+# Use /data for persistent storage (writable in HF Spaces)
 if ENVIRONMENT == "huggingface":
-    # Use default HF cache location where preload_from_hub saves models
-    HF_CACHE_DIR = os.path.expanduser("~/.cache/huggingface")
+    # /data is persistent and writable in HF Spaces
+    HF_CACHE_DIR = os.getenv("HF_HOME", "/data/.huggingface")
     print(f"[Config] Using HF cache directory: {HF_CACHE_DIR}")
 
-    # Ensure directory exists with proper permissions
-    cache_path = Path(HF_CACHE_DIR)
-    try:
-        cache_path.mkdir(parents=True, exist_ok=True, mode=0o755)
-        print(f"[Config] Cache directory created/verified with mode 755")
-    except Exception as e:
-        print(f"[Config] Warning: Could not set cache directory permissions: {e}")
-
-    # Clean stale lock files that may prevent model loading
-    try:
-        lock_files = list(cache_path.glob("**/*.lock"))
-        if lock_files:
-            print(f"[Config] Found {len(lock_files)} lock files, attempting cleanup...")
-            cleaned = 0
-            for lock_file in lock_files:
-                try:
-                    lock_file.unlink()
-                    cleaned += 1
-                except Exception as e:
-                    print(f"[Config] Could not remove {lock_file.name}: {e}")
-            print(f"[Config] Cleaned {cleaned}/{len(lock_files)} lock files")
-        else:
-            print(f"[Config] No stale lock files found")
-    except Exception as e:
-        print(f"[Config] Lock file cleanup failed: {e}")
+    # Ensure directory exists
+    os.makedirs(HF_CACHE_DIR, exist_ok=True)
 else:
     # Local development
     HF_CACHE_DIR = os.path.expanduser("~/.cache/huggingface")