Update sci_lay.py

sci_lay.py

@@ -1,4 +1,5 @@
 """SciLay Dataset."""
+
 import gzip
 import json
 import os
@@ -117,25 +118,25 @@ class SciLay(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        """Returns SplitGenerators."""
-        urls = {
-            split: _URL.format(version=self.config.version, split_name=split_name)
-            for split, split_name in _SPLIT_NAMES.items()
-        }
-        dl_paths = dl_manager.download(urls)
-        paths = {
-            split: [
-                os.path.join(dl_paths[split], split_name, journal) for journal in self.config.journals
+            """Returns SplitGenerators."""
+            urls = {
+                split: _URL.format(version=self.config.version, split_name=split_name)
+                for split, split_name in _SPLIT_NAMES.items()
+            }
+            dl_paths = dl_manager.download_and_extract(urls)
+            paths = {
+                split: [
+                    dl_manager.iter_files(os.path.join(dl_paths[split], split_name, code)) for code in self.config.journals
+                ]
+                for split, split_name in _SPLIT_NAMES.items()
+            }
+            return [
+                datasets.SplitGenerator(
+                    name=split,
+                    gen_kwargs={"paths": paths[split]},
+                )
+                for split in _SPLIT_NAMES
             ]
-            for split, split_name in _SPLIT_NAMES.items()
-        }
-        return [
-            datasets.SplitGenerator(
-                name=split,
-                gen_kwargs={"paths": paths[split]},
-            )
-            for split in _SPLIT_NAMES
-        ]
 
     def _generate_examples(self, paths=None):
         """Yields examples."""
@@ -155,4 +156,3 @@ class SciLay(datasets.GeneratorBasedBuilder):
                             _KEYWORDS: json_obj[_KEYWORDS]
                         }
 
-