Use GeneratorBasedBuilder

wikipedia_snippets_streamed.py

@@ -24,7 +24,7 @@ _LICENSE = (
 )
 
 
-class WikipediaSnippetsStreamed(datasets.ArrowBasedBuilder):
+class WikipediaSnippetsStreamed(datasets.GeneratorBasedBuilder):
     """Bengali wikipedia from 03/20/2021"""
 
     def _info(self):
@@ -49,10 +49,10 @@ class WikipediaSnippetsStreamed(datasets.ArrowBasedBuilder):
             datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"filepath": downloaded_file}),
         ]
 
-    def _generate_tables(self, filepath):
+    def _generate_examples(self, filepath):
         logger.info("generating examples from = %s", filepath)
         with open(filepath, "rb") as f:
             pf = pq.ParquetFile(f)
             for i in range(pf.num_row_groups):
                 id_ = f"{filepath}_{i}"
-                yield id_, pf.read_row_group(i)
+                yield id_, pf.read_row_group(i).to_pydict()