draft for streaming functionality

audio_transcription.csv.gz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92e0830dc9642ed5e92ebbceb7d65e5f6b90979d4bfda451b2d8970506a63791
+size 207161

librivox-indonesia.py

@@ -32,6 +32,7 @@ _HOMEPAGE = "https://huggingface.co/indonesian-nlp/librivox-indonesia"
 _LICENSE = "https://creativecommons.org/publicdomain/zero/1.0/"
 
 _AUDIO_URL = "https://huggingface.co/datasets/cahya/librivox-indonesia/resolve/main/librivox-indonesia.tgz"
+_METADATA_URL = "https://huggingface.co/datasets/cahya/librivox-indonesia/resolve/main/audio_transcription.csv.gz"
 
 
 class LibriVoxIndonesiaConfig(datasets.BuilderConfig):
@@ -107,8 +108,10 @@ class LibriVoxIndonesia(datasets.GeneratorBasedBuilder):
         """Returns SplitGenerators."""
         dl_manager.download_config.ignore_url_params = True
 
-        archive_path = dl_manager.download(_AUDIO_URL)
-        local_extracted_archive = dl_manager.extract(archive_path) if not dl_manager.is_streaming else None
+        audio_path = dl_manager.download(_AUDIO_URL)
+        metadata_path = dl_manager.download_and_extract(_METADATA_URL)
+        local_extracted_archive = dl_manager.extract(audio_path) if not dl_manager.is_streaming else None
+        print("Metadata Path", metadata_path)
         path_to_clips = "librivox-indonesia"
 
         return [
@@ -116,8 +119,8 @@ class LibriVoxIndonesia(datasets.GeneratorBasedBuilder):
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
                     "local_extracted_archive": local_extracted_archive,
-                    "archive_iterator": dl_manager.iter_archive(archive_path),
-                    "metadata_filepath": "audio_transcription.csv",
+                    "audio_files": dl_manager.iter_archive(audio_path),
+                    "metadata_path": metadata_path,
                     "path_to_clips": path_to_clips,
                 },
             ),
@@ -126,18 +129,16 @@ class LibriVoxIndonesia(datasets.GeneratorBasedBuilder):
     def _generate_examples(
         self,
         local_extracted_archive,
-        archive_iterator,
-        metadata_filepath,
+        audio_files,
+        metadata_path,
         path_to_clips,
     ):
         """Yields examples."""
         data_fields = list(self._info().features.keys())
         metadata = {}
-        filepath = local_extracted_archive + "/librivox-indonesia/audio_transcription.csv"
-        with open(filepath, "r") as f:
-            lines = (line for line in f)
-            utterances = csv.DictReader(lines)
-            for row in utterances:
+        with open(metadata_path, "r", encoding="utf-8") as f:
+            reader = csv.DictReader(f)
+            for row in reader:
                 if self.config.name == "all" or self.config.name == row["language"]:
                     row["path"] = os.path.join(path_to_clips, row["path"])
                     # if data is incomplete, fill with empty values
@@ -145,7 +146,8 @@ class LibriVoxIndonesia(datasets.GeneratorBasedBuilder):
                         if field not in row:
                             row[field] = ""
                     metadata[row["path"]] = row
-        for path, f in archive_iterator:
+        id_ = 0
+        for path, f in audio_files:
             if path in metadata:
                 result = dict(metadata[path])
                 # set the audio feature and the path to the extracted file
@@ -153,5 +155,5 @@ class LibriVoxIndonesia(datasets.GeneratorBasedBuilder):
                 result["audio"] = {"path": path, "bytes": f.read()}
                 # set path to None if the audio file doesn't exist locally (i.e. in streaming mode)
                 result["path"] = path if local_extracted_archive else None
-
-                yield path, result
+                yield id_, result
+                id_ += 1