Update dataset.py

dataset.py

@@ -29,24 +29,32 @@ class M3Retrieve(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        """Returns SplitGenerators."""
+        """Returns SplitGenerators for a specific subfolder."""
         data_dir = dl_manager.download_and_extract(self.config.data_dir)
-
+    
+        # Extract the folder name from self.config.name
+        subfolder = os.path.join(data_dir, self.config.name)
+    
+        # Validate that the subfolder exists
+        if not os.path.isdir(subfolder):
+            raise ValueError(f"Dataset folder '{self.config.name}' not found in {data_dir}.")
+    
         return [
             datasets.SplitGenerator(
                 name="queries",
-                gen_kwargs={"filepath": os.path.join(data_dir, "queries.jsonl"), "key": "queries"},
+                gen_kwargs={"filepath": os.path.join(subfolder, "queries.jsonl"), "key": "queries"},
             ),
             datasets.SplitGenerator(
                 name="corpus",
-                gen_kwargs={"filepath": os.path.join(data_dir, "corpus.jsonl"), "key": "corpus"},
+                gen_kwargs={"filepath": os.path.join(subfolder, "corpus.jsonl"), "key": "corpus"},
             ),
             datasets.SplitGenerator(
                 name="qrels",
-                gen_kwargs={"filepath": os.path.join(data_dir, "qrels/test.tsv"), "key": "qrels"},
+                gen_kwargs={"filepath": os.path.join(subfolder, "qrels/test.tsv"), "key": "qrels"},
             ),
         ]
 
+
     def _generate_examples(self, filepath, key):
         """Yields examples as (key, example) tuples."""
         if key in ["queries", "corpus"]: