Create ynat.py

ynat.py

@@ -0,0 +1,47 @@
+import os
+import json
+import datasets
+import typing as tp
+
+_LABELS = [
+    'IT과학', 
+    '경제', 
+    '사회', 
+    '생활문화', 
+    '세계', 
+    '스포츠', 
+    '정치'
+]
+
+
+class YNAT(datasets.GeneratorBasedBuilder):
+
+    def _info(self):
+        return datasets.DatasetInfo(
+            description=None, 
+            features=datasets.Features({
+                "text": datasets.Value("string"), 
+                "label": datasets.features.ClassLabel(
+                    names=_LABELS
+                )
+            }), 
+            homepage=None, 
+            citation=None
+        )
+
+    def _split_generators(self, dl_manager: datasets.DownloadManager) -> tp.List[datasets.SplitGenerator]:
+        path = os.getcwd()
+        train_filepath = os.path.join(path, 'train.json')
+        dev_filepath = os.path.join(path, 'dev.json')
+        return [
+            datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={'filepath': train_filepath}), 
+            datasets.SplitGenerator(name=datasets.Split.VALIDATION, gen_kwargs={'filepath': dev_filepath}), 
+        ]
+
+    def _generate_examples(self, filepath):
+        with open(filepath, 'r', encoding='utf-8') as fp:
+            lines = json.load(fp)
+        for idx, line in enumerate(lines):
+            text = str(line['text'])
+            label = int(_LABELS.index(line['label']))
+            yield idx, {'text': text, 'label': label}