improved split handling

essays_SuG.py

@@ -302,7 +302,7 @@ class Fancy(datasets.GeneratorBasedBuilder):
         train, test, validate = self._range_generator(1, 0)
         essays = self._get_essay_list()
 
-        if len(validate) > 0:
+        if len(validate) > 0 and len(test) > 0:
             return [
                 datasets.SplitGenerator(
                     name=datasets.Split.TRAIN,
@@ -329,7 +329,7 @@ class Fancy(datasets.GeneratorBasedBuilder):
                     },
                 ),
             ]
-        else:
+        elif len(validate) == 0:
             return [
                 datasets.SplitGenerator(
                     name=datasets.Split.TRAIN,
@@ -348,6 +348,36 @@ class Fancy(datasets.GeneratorBasedBuilder):
                     },
                 ),
             ]
+        elif len(test) == 0:
+            return [
+                datasets.SplitGenerator(
+                    name=datasets.Split.TRAIN,
+                    # These kwargs will be passed to _generate_examples
+                    gen_kwargs={
+                        "data": essays,
+                        "id_range": train,
+                    },
+                ),
+                datasets.SplitGenerator(
+                    name=datasets.Split.VALIDATION,
+                    # These kwargs will be passed to _generate_examples
+                    gen_kwargs={
+                        "data": essays,
+                        "id_range": validate,
+                    },
+                ),
+            ]
+        else:
+            return [
+                datasets.SplitGenerator(
+                    name=datasets.Split.TRAIN,
+                    # These kwargs will be passed to _generate_examples
+                    gen_kwargs={
+                        "data": essays,
+                        "id_range": train,
+                    },
+                ),
+            ]
 
     def _get_id(self, essay):
         return int(essay["docID"].split("_")[-1])