Fix issues with file paths

simplebooks.py

@@ -46,10 +46,26 @@ class SimpleBooks(datasets.GeneratorBasedBuilder):
     VERSION = datasets.Version("1.0.0")
 
     BUILDER_CONFIGS = [
-        datasets.BuilderConfig(name="simplebooks-2", version=VERSION, description="2.2M tokens with the vocab size of 11,492"),
-        datasets.BuilderConfig(name="simplebooks-2-raw", version=VERSION, description="2.2M tokens with the vocab size of 11,492 (raw)"),
-        datasets.BuilderConfig(name="simplebooks-92", version=VERSION, description="92M tokens with the vocab size of 98,304"),
-        datasets.BuilderConfig(name="simplebooks-92-raw", version=VERSION, description="92M tokens with the vocab size of 98,304 (raw)"),   
+        datasets.BuilderConfig(
+            name="simplebooks-2",
+            version=VERSION,
+            description="2.2M tokens with the vocab size of 11,492",
+        ),
+        datasets.BuilderConfig(
+            name="simplebooks-2-raw",
+            version=VERSION,
+            description="2.2M tokens with the vocab size of 11,492 (raw)",
+        ),
+        datasets.BuilderConfig(
+            name="simplebooks-92",
+            version=VERSION,
+            description="92M tokens with the vocab size of 98,304",
+        ),
+        datasets.BuilderConfig(
+            name="simplebooks-92-raw",
+            version=VERSION,
+            description="92M tokens with the vocab size of 98,304 (raw)",
+        ),
     ]
 
     DEFAULT_CONFIG_NAME = "simplebooks-2"
@@ -67,29 +83,39 @@ class SimpleBooks(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        archive = dl_manager.download_and_extract(URL)
+        archive = dl_manager.download(URL)
+
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
-                    "path": os.path.join(archive, self.config.name, "train.txt"),
+                    "subset": self.config.name,
+                    "split": "train",
+                    "files": dl_manager.iter_archive(archive),
                 },
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.VALIDATION,
                 gen_kwargs={
-                    "path": os.path.join(archive, self.config.name, "valid.txt")
+                    "subset": self.config.name,
+                    "split": "valid",
+                    "files": dl_manager.iter_archive(archive),
                 },
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.TEST,
                 gen_kwargs={
-                    "path": os.path.join(archive, self.config.name, "test.txt"),
+                    "subset": self.config.name,
+                    "split": "test",
+                    "files": dl_manager.iter_archive(archive),
                 },
             ),
         ]
-    
-    def _generate_examples(self, path):
-        with open(path, encoding="utf-8") as f:
-            for _id, line in enumerate(f):
-                yield _id, { "text": line.strip() }
+
+    def _generate_examples(self, subset, split, files):
+        _id = 0
+        for path, file in files:
+            if path == f"{subset}/{split}.txt":
+                for line in file:
+                    yield _id, {"text": line.strip()}
+                    _id += 1