Update polygraph_xsum.py

polygraph_xsum.py

@@ -4,9 +4,6 @@ import json
 
 _DESCRIPTION = "lm-polygraph wrapper for xsum dataset"
 
-_LANGS = ["en"]
-
-
 _DATA_DIRECTORY = "."
 VERSION = datasets.Version("0.0.1")
 
@@ -15,17 +12,21 @@ _CONFIG = {
     "splits": ["train", "validation", "test"],
     "input_column": "document",
     "output_column": "summary",
+    "prompt": "Here's the text and it's short one-sentence summary.\n\nText:\n{text}\n\nSummary (one sentence):\n",
 }
 
 
 def _prepare_dataset(dataset):
-    return dataset[_CONFIG["input_column"]], dataset[_CONFIG["output_column"]]
+    x, y = dataset[_CONFIG["input_column"]], dataset[_CONFIG["output_column"]]
+    if _CONFIG.get("prompt"):
+        for i in range(len(x)):
+            x[i] = _CONFIG["prompt"].format(text=x[i])
+    return x, y
 
 
 class PolygraphXsum(datasets.GeneratorBasedBuilder):
     """lm-polygraph wrapper for xsum dataset"""
 
-
     def _info(self):
         features = datasets.Features(
             {
@@ -69,5 +70,5 @@ class PolygraphXsum(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath):
         dataset = datasets.Dataset.load_from_disk(filepath)
-        for i in range(len(item)):
+        for i in range(len(dataset)):
             yield i, dataset[i]