Add files using upload-large-folder tool

brain-structure.py

@@ -117,17 +117,24 @@ class BrainStructure(datasets.GeneratorBasedBuilder):
         """
         id_ = 0
         data_path = Path(data_dir)
+
         for json_path in data_path.rglob("*_scandata.json"):
             with open(json_path, "r") as f:
                 sidecar = json.load(f)
 
+            # Only yield if sidecar["split"] matches
             if sidecar.get("split") == desired_split:
-                # Build the matching NIfTI path
-                possible_nii_name = json_path.name.replace("_scandata.json", "_T1w")
-                # Look in the same folder for .nii.gz
-                nii_path = json_path.parent / f"{possible_nii_name}.nii.gz"
+                # Build a base prefix from the JSON filename (minus "_scandata")
+                # e.g. "msub-OASIS20133_ses-03"
+                base_prefix = json_path.stem.replace("_scandata", "")
+
+                # Search for a NIfTI that starts with that prefix and includes '_T1w'
+                nii_path = None
+                for potential_nii in json_path.parent.glob(f"{base_prefix}*_T1w*.nii.gz"):
+                    nii_path = potential_nii
+                    break
 
-                if not nii_path.is_file():
+                if not nii_path or not nii_path.is_file():
                     logger.warning(f"No .nii.gz found for {json_path}")
                     continue