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# coding=utf-8
# Copyright 2021 The HuggingFace Datasets Authors and the current dataset script contributor.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" Common Voice Dataset"""
import datasets
from datasets.tasks import AutomaticSpeechRecognition
_DATA_URL = "https://drive.google.com/uc?export=download&id=13PIifohVjBB5ffSCm4eXyF8O9I30HOj2"
_DESCRIPTION = """\
Common Voice is Mozilla's initiative to help teach machines how real people speak.
The dataset currently consists of 7,335 validated hours of speech in 60 languages, but we’re always adding more voices and languages.
"""
_LANGUAGES = {
"vi": {
"Language": "Vietnamese",
"Date": "2020-12-11",
"Size": "50 MB",
"Version": "vi_1h_2020-12-11",
"Validated_Hr_Total": 0.74,
"Overall_Hr_Total": 1,
"Number_Of_Voice": 62,
},
}
class CustomCommonVoiceConfig(datasets.BuilderConfig):
"""BuilderConfig for CommonVoice."""
def __init__(self, name, sub_version, **kwargs):
"""
Args:
data_dir: `string`, the path to the folder containing the files in the
downloaded .tar
citation: `string`, citation for the data set
url: `string`, url for information about the data set
**kwargs: keyword arguments forwarded to super.
"""
self.sub_version = sub_version
self.language = kwargs.pop("language", None)
self.date_of_snapshot = kwargs.pop("date", None)
self.size = kwargs.pop("size", None)
self.validated_hr_total = kwargs.pop("val_hrs", None)
self.total_hr_total = kwargs.pop("total_hrs", None)
self.num_of_voice = kwargs.pop("num_of_voice", None)
description = f"Common Voice speech to text dataset in {self.language} version " \
f"{self.sub_version} of {self.date_of_snapshot}. " \
f"The dataset comprises {self.validated_hr_total} of validated transcribed speech data from " \
f"{self.num_of_voice} speakers. The dataset has a size of {self.size} "
super(CustomCommonVoiceConfig, self).__init__(
name=name, version=datasets.Version("1.0", ""), description=description, **kwargs
)
class CustomCommonVoice(datasets.GeneratorBasedBuilder):
DEFAULT_WRITER_BATCH_SIZE = 1000
BUILDER_CONFIGS = [
CustomCommonVoiceConfig(
name=lang_id,
language=_LANGUAGES[lang_id]["Language"],
sub_version=_LANGUAGES[lang_id]["Version"],
date=_LANGUAGES[lang_id]["Date"],
size=_LANGUAGES[lang_id]["Size"],
val_hrs=_LANGUAGES[lang_id]["Validated_Hr_Total"],
total_hrs=_LANGUAGES[lang_id]["Overall_Hr_Total"],
num_of_voice=_LANGUAGES[lang_id]["Number_Of_Voice"],
)
for lang_id in _LANGUAGES.keys()
]
def _info(self):
features = datasets.Features(
{
"client_id": datasets.Value("string"),
"path": datasets.Value("string"),
"audio": datasets.Audio(sampling_rate=48_000),
"sentence": datasets.Value("string"),
"up_votes": datasets.Value("int64"),
"down_votes": datasets.Value("int64"),
"age": datasets.Value("string"),
"gender": datasets.Value("string"),
"accent": datasets.Value("string"),
"locale": datasets.Value("string"),
"segment": datasets.Value("string"),
}
)
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=features,
supervised_keys=None,
task_templates=[
AutomaticSpeechRecognition(audio_file_path_column="path", transcription_column="sentence")
],
)
def _split_generators(self, dl_manager):
"""Returns SplitGenerators."""
archive = dl_manager.download(_DATA_URL)
path_to_data = "/".join("data_1")
path_to_clips = "/".join([path_to_data, "audio"])
path_to_script = "/".join([path_to_data, "script"])
return [
datasets.SplitGenerator(
name=datasets.Split.TRAIN,
gen_kwargs={
"files": dl_manager.iter_archive(archive),
"filepath": "/".join([path_to_data, "train_custom_common_voice.csv"]),
"path_to_clips": path_to_clips,
},
),
datasets.SplitGenerator(
name=datasets.Split.TEST,
gen_kwargs={
"files": dl_manager.iter_archive(archive),
"filepath": "/".join([path_to_data, "test_custom_common_voice.csv"]),
"path_to_clips": path_to_clips,
},
),
# datasets.SplitGenerator(
# name=datasets.Split.VALIDATION,
# gen_kwargs={
# "files": dl_manager.iter_archive(archive),
# "filepath": "/".join([path_to_data, "dev.tsv"]),
# "path_to_clips": path_to_clips,
# },
# ),
# datasets.SplitGenerator(
# name="other",
# gen_kwargs={
# "files": dl_manager.iter_archive(archive),
# "filepath": "/".join([path_to_data, "other.tsv"]),
# "path_to_clips": path_to_clips,
# },
# ),
# datasets.SplitGenerator(
# name="invalidated",
# gen_kwargs={
# "files": dl_manager.iter_archive(archive),
# "filepath": "/".join([path_to_data, "invalidated.tsv"]),
# "path_to_clips": path_to_clips,
# },
# ),
]
def _generate_examples(self, files, filepath, path_to_clips):
"""Yields examples."""
data_fields = list(self._info().features.keys())
# audio is not a header of the csv files
data_fields.remove("audio")
path_idx = data_fields.index("path")
all_field_values = {}
metadata_found = False
for path, f in files:
if path == filepath:
metadata_found = True
lines = f.readlines()
headline = lines[0].decode("utf-8")
column_names = headline.strip().split("\t")
assert (
column_names == data_fields
), f"The file should have {data_fields} as column names, but has {column_names}"
for line in lines[1:]:
field_values = line.decode("utf-8").strip().split("\t")
# set full path for mp3 audio file
audio_path = "/".join([path_to_clips, field_values[path_idx]])
all_field_values[audio_path] = field_values
elif path.startswith(path_to_clips):
assert metadata_found, "Found audio clips before the metadata TSV file."
if not all_field_values:
break
if path in all_field_values:
field_values = all_field_values[path]
# if data is incomplete, fill with empty values
if len(field_values) < len(data_fields):
field_values += (len(data_fields) - len(field_values)) * ["''"]
result = {key: value for key, value in zip(data_fields, field_values)}
# set audio feature
result["audio"] = {"path": path, "bytes": f.read()}
yield path, result
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