Update nova.py

nova.py

@@ -36,6 +36,9 @@ class NovaDataset(GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
+        archive_path = dl_manager.download_and_extract("test/Images.zip")
+        image_files = list(dl_manager.iter_files(archive_path))
+
         # Download CSVs
         csvs = {
             "captions": dl_manager.download("captions.csv"),
@@ -49,7 +52,7 @@ class NovaDataset(GeneratorBasedBuilder):
         return [
             SplitGenerator(
                 name=Split.TEST,
-                gen_kwargs={"image_dir": image_dir, "csvs": csvs},
+                gen_kwargs={"image_files": image_files, "csvs": csvs},
             )
         ]
 
@@ -70,13 +73,14 @@ class NovaDataset(GeneratorBasedBuilder):
         ).to_dict()
         meta = meta.set_index("case_id").to_dict("index")
     
+        images_map = {os.path.basename(f): f for f in image_files}
 
         for idx, row in captions.iterrows():
             filename = row["filename"]
             case_id = row["case_id"]
             image_path = os.path.join(image_dir, filename)
             record = {
-                "image": image_path,
+                "image": images_map.get(filename, None),
                 "filename": filename,
                 "caption": row["caption"],
                 "case_id": case_id,