simple version of script

voxpopuli.py

@@ -0,0 +1,105 @@
+import os
+import glob
+
+import datasets
+
+
+_LANGUAGES = sorted(
+    [
+        "en", "de", "fr", "es", "pl", "it", "ro", "hu", "cs", "nl", "fi", "hr",
+        "sk", "sl", "et", "lt", "pt", "bg", "el", "lv", "mt", "sv", "da"
+    ]
+)
+_LANGUAGES_V2 = [f"{x}_v2" for x in _LANGUAGES]
+
+_YEARS = list(range(2009, 2020 + 1))
+
+_CONFIG_TO_LANGS = {
+    "400k": _LANGUAGES,
+    "100k": _LANGUAGES,
+    "10k": _LANGUAGES,
+}
+
+_CONFIG_TO_YEARS = {
+    "400k": _YEARS + [f"{y}_2" for y in _YEARS],
+    "100k": _YEARS,
+    "10k": [2019, 2020],
+    # "asr": _YEARS
+}
+for lang in _LANGUAGES:
+    _CONFIG_TO_YEARS[lang] = _YEARS
+
+_BASE_URL = "https://dl.fbaipublicfiles.com/voxpopuli/"
+
+_DATA_URL = _BASE_URL + "audios/{lang}_{year}.tar"
+
+_META_URL = _BASE_URL + "https://dl.fbaipublicfiles.com/voxpopuli/annotations/unlabelled_v2.tsv.gz"
+
+
+class Voxpopuli(datasets.GeneratorBasedBuilder):
+    """The Voxpopuli dataset."""
+
+    VERSION = datasets.Version("1.0.0")  # TODO ??
+    BUILDER_CONFIGS = [
+        datasets.BuilderConfig(
+            name=name,
+            # version=VERSION,
+            description="",  # TODO
+            )
+        for name in _LANGUAGES + ["10k", "100k", "400k"]
+    ]
+    # DEFAULT_CONFIG_NAME = "400k"
+    # DEFAULT_WRITER_BATCH_SIZE = 1
+
+    def _info(self):
+        features = datasets.Features(
+            {
+                "path": datasets.Value("string"),
+                "language": datasets.ClassLabel(names=_LANGUAGES),
+                "year": datasets.Value("int16"),
+                "audio": datasets.Audio(sampling_rate=16_000),
+            }
+        )
+        return datasets.DatasetInfo(
+            # description=_DESCRIPTION,
+            features=features,
+            # homepage=_HOMEPAGE,
+            # license=_LICENSE,
+            # citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager):
+        # dl_manager.download_config.num_proc = len(_VOXPOPULI_AUDIO_URLS)  # TODO
+
+        # metadata_path = dl_manager.download_and_extract(_META_URL)
+
+        languages = [self.config.name] if self.config.name in _LANGUAGES else _LANGUAGES
+        years = _CONFIG_TO_YEARS[self.config.name]
+        # urls = [_DATA_URL.format(lang=language, year=year) for language in ["hr", "et"] for year in [2020]]
+        urls = [_DATA_URL.format(lang=language, year=year) for language in languages for year in years]
+
+        langs_data_dirs = dl_manager.download_and_extract(urls)
+        print(langs_data_dirs)
+        print(glob.glob(f"{langs_data_dirs[0]}/**/*.ogg", recursive=True))
+
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "data_dirs": langs_data_dirs,
+                }
+            ),
+        ]
+
+    def _generate_examples(self, data_dirs):
+        for data_dir in data_dirs:
+            for file in glob.glob(f"{data_dir}/**/*.ogg", recursive=True):
+                path_components = file.split(os.sep)
+                language, year = path_components[-3:-1]
+                with open(file) as f:
+                    yield file, {
+                        "path": file,
+                        "language": language,
+                        "year": year,
+                        "audio": {"path": file}
+                    }