Release original LTF v3.3 epoch 20 inference model

demo/app.py

@@ -72,8 +72,13 @@ def resolve_model_dir():
 def verify_model(root):
     manifest = json.loads((root / 'release_manifest.json').read_text())
     for relative, expected in manifest['files'].items():
-        path = (root / relative).resolve()
-        if not path.is_relative_to(root.resolve()) or not path.is_file():
+        relative_path = Path(relative)
+        # Hub snapshot files are symlinks into the sibling blobs directory.
+        # Validate the manifest path before following links, then hash the bytes.
+        if relative_path.is_absolute() or '..' in relative_path.parts:
+            raise RuntimeError('The model manifest contains an invalid path.')
+        path = root / relative_path
+        if not path.is_file():
             raise RuntimeError('The model release is incomplete.')
         digest = hashlib.sha256()
         with path.open('rb') as stream:

ltf_final/detector.py

@@ -12,7 +12,7 @@ import yaml
 from model.LTF_v3_3 import LTFNetV3_3
 from utils.tile_dataset_srm import clip_transform, crop_image_to_tiles
 
-ROOT = Path(__file__).resolve().parents[1]
+ROOT = Path(__file__).absolute().parents[1]
 BRANCHES = ('level1', 'level2', 'fusion')
 
 

release_manifest.json

@@ -9,7 +9,8 @@
   "source_note": "Historical release core reconstructed from git 65c18ee5868ced87a27d048261e237632ad5d704; original training-day source snapshot unavailable.",
   "adaptations": [
     "Tensor-only checkpoint loading",
-    "Portable evaluation configuration"
+    "Portable evaluation configuration",
+    "Preserve Hub snapshot root when source files are symlinks"
   ],
   "files": {
     "ltf_final/__init__.py": {
@@ -17,8 +18,8 @@
       "bytes": 175
     },
     "ltf_final/detector.py": {
-      "sha256": "22b6b8ce000d0f02896f1d10df65fbfaa2107bf2ed83d218df306241279f0e91",
-      "bytes": 6073
+      "sha256": "998a82c15b253b52905c02201d79b7d92fff30fa95a95c97d48772206d44fb27",
+      "bytes": 6074
     },
     "model/LTF.py": {
       "sha256": "4e76ed3dcf03cf56ca5c843220e15cddc84d1db2b95c823d8fe8bdab0cc0e279",