Create polygraph_xsum.py

polygraph_xsum.py

@@ -0,0 +1,72 @@
+import datasets
+import os
+import json
+
+_DESCRIPTION = "lm-polygraph wrapper for xsum dataset"
+
+_LANGS = ["en"]
+
+
+_DATA_DIRECTORY = "."
+VERSION = datasets.Version("0.0.1")
+_SPLITS = ["train", "validation", "test"]
+_CONFIG = {
+    "dataset": "xsum"
+}
+
+
+def _prepare_dataset(dataset):
+    return dataset["document"], dataset["summary"]
+
+
+class PolygraphXsum(datasets.GeneratorBasedBuilder):
+    """lm-polygraph wrapper for xsum dataset"""
+
+
+    def _info(self):
+        features = datasets.Features(
+            {
+                "input": datasets.Value("string"),
+                "output": datasets.Value("string"),
+            }
+        )
+
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=features,
+        )
+
+    def _split_generators(self, dl_manager):
+        dataset = datasets.load_dataset(_CONFIG["dataset"], trust_remote_code=True)
+
+        def download_custom_dataset(src_url: str, dst_path: str):
+            split = src_url
+            x, y = _prepare_dataset(dataset)
+            result_dataset = Dataset.from_dict({"input": x, "output": y})
+            result_dataset.to_json(dst_path)
+        downloaded_files = dl_manager.download_custom(_SPLITS, download_custom_dataset)
+
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "filepath": downloaded_files["train"],
+                    "lang": lang,
+                }),
+            datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                gen_kwargs={
+                    "filepath": downloaded_files["validation"],
+                }),
+            datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                gen_kwargs={
+                    "filepath": downloaded_files["test"],
+                })
+        ]
+
+    def _generate_examples(self, filepath, lang):
+        with open(filepath, encoding="utf-8") as f:
+            dataset = Dataset.from_json(f.read())
+            for i in range(len(item)):
+                yield i, dataset[i]