Datasets:

Sub-tasks:
extractive-qa
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Delete loading script

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  1. mlqa.py +0 -206
mlqa.py DELETED
@@ -1,206 +0,0 @@
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- """TODO(mlqa): Add a description here."""
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-
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-
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- import json
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- import os
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-
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- import datasets
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-
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-
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- # TODO(mlqa): BibTeX citation
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- _CITATION = """\
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- @article{lewis2019mlqa,
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- title={MLQA: Evaluating Cross-lingual Extractive Question Answering},
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- author={Lewis, Patrick and Oguz, Barlas and Rinott, Ruty and Riedel, Sebastian and Schwenk, Holger},
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- journal={arXiv preprint arXiv:1910.07475},
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- year={2019}
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- }
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- """
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-
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- # TODO(mlqa):
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- _DESCRIPTION = """\
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- MLQA (MultiLingual Question Answering) is a benchmark dataset for evaluating cross-lingual question answering performance.
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- MLQA consists of over 5K extractive QA instances (12K in English) in SQuAD format in seven languages - English, Arabic,
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- German, Spanish, Hindi, Vietnamese and Simplified Chinese. MLQA is highly parallel, with QA instances parallel between
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- 4 different languages on average.
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- """
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- _URL = "https://dl.fbaipublicfiles.com/MLQA/"
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- _DEV_TEST_URL = "MLQA_V1.zip"
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- _TRANSLATE_TEST_URL = "mlqa-translate-test.tar.gz"
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- _TRANSLATE_TRAIN_URL = "mlqa-translate-train.tar.gz"
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- _LANG = ["ar", "de", "vi", "zh", "en", "es", "hi"]
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- _TRANSLATE_LANG = ["ar", "de", "vi", "zh", "es", "hi"]
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-
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-
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- class MlqaConfig(datasets.BuilderConfig):
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- def __init__(self, data_url, **kwargs):
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- """BuilderConfig for MLQA
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-
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- Args:
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- data_url: `string`, url to the dataset
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- **kwargs: keyword arguments forwarded to super.
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- """
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- super(MlqaConfig, self).__init__(
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- version=datasets.Version(
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- "1.0.0",
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- ),
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- **kwargs,
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- )
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- self.data_url = data_url
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-
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-
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- class Mlqa(datasets.GeneratorBasedBuilder):
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- """TODO(mlqa): Short description of my dataset."""
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-
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- # TODO(mlqa): Set up version.
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- VERSION = datasets.Version("1.0.0")
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- BUILDER_CONFIGS = (
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- [
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- MlqaConfig(
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- name="mlqa-translate-train." + lang,
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- data_url=_URL + _TRANSLATE_TRAIN_URL,
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- description="Machine-translated data for Translate-train (SQuAD Train and Dev sets machine-translated into "
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- "Arabic, German, Hindi, Vietnamese, Simplified Chinese and Spanish)",
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- )
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- for lang in _LANG
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- if lang != "en"
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- ]
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- + [
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- MlqaConfig(
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- name="mlqa-translate-test." + lang,
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- data_url=_URL + _TRANSLATE_TEST_URL,
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- description="Machine-translated data for Translate-Test (MLQA-test set machine-translated into English) ",
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- )
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- for lang in _LANG
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- if lang != "en"
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- ]
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- + [
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- MlqaConfig(
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- name="mlqa." + lang1 + "." + lang2,
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- data_url=_URL + _DEV_TEST_URL,
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- description="development and test splits",
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- )
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- for lang1 in _LANG
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- for lang2 in _LANG
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- ]
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- )
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-
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- def _info(self):
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- # TODO(mlqa): Specifies the datasets.DatasetInfo object
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- return datasets.DatasetInfo(
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- # This is the description that will appear on the datasets page.
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- description=_DESCRIPTION,
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- # datasets.features.FeatureConnectors
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- features=datasets.Features(
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- {
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- "context": datasets.Value("string"),
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- "question": datasets.Value("string"),
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- "answers": datasets.features.Sequence(
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- {"answer_start": datasets.Value("int32"), "text": datasets.Value("string")}
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- ),
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- "id": datasets.Value("string"),
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- # These are the features of your dataset like images, labels ...
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- }
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- ),
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- # If there's a common (input, target) tuple from the features,
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- # specify them here. They'll be used if as_supervised=True in
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- # builder.as_dataset.
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- supervised_keys=None,
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- # Homepage of the dataset for documentation
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- homepage="https://github.com/facebookresearch/MLQA",
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- citation=_CITATION,
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- )
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-
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- def _split_generators(self, dl_manager):
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- """Returns SplitGenerators."""
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- # TODO(mlqa): Downloads the data and defines the splits
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- # dl_manager is a datasets.download.DownloadManager that can be used to
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- # download and extract URLs
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- if self.config.name.startswith("mlqa-translate-train"):
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- archive = dl_manager.download(self.config.data_url)
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- lang = self.config.name.split(".")[-1]
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- return [
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- datasets.SplitGenerator(
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- name=datasets.Split.TRAIN,
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- # These kwargs will be passed to _generate_examples
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- gen_kwargs={
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- "filepath": f"mlqa-translate-train/{lang}_squad-translate-train-train-v1.1.json",
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- "files": dl_manager.iter_archive(archive),
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- },
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- ),
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- datasets.SplitGenerator(
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- name=datasets.Split.VALIDATION,
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- # These kwargs will be passed to _generate_examples
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- gen_kwargs={
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- "filepath": f"mlqa-translate-train/{lang}_squad-translate-train-dev-v1.1.json",
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- "files": dl_manager.iter_archive(archive),
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- },
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- ),
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- ]
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-
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- else:
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- if self.config.name.startswith("mlqa."):
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- dl_file = dl_manager.download_and_extract(self.config.data_url)
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- name = self.config.name.split(".")
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- l1, l2 = name[1:]
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- return [
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- datasets.SplitGenerator(
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- name=datasets.Split.TEST,
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- # These kwargs will be passed to _generate_examples
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- gen_kwargs={
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- "filepath": os.path.join(
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- os.path.join(dl_file, "MLQA_V1/test"),
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- f"test-context-{l1}-question-{l2}.json",
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- )
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- },
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- ),
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- datasets.SplitGenerator(
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- name=datasets.Split.VALIDATION,
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- # These kwargs will be passed to _generate_examples
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- gen_kwargs={
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- "filepath": os.path.join(
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- os.path.join(dl_file, "MLQA_V1/dev"), f"dev-context-{l1}-question-{l2}.json"
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- )
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- },
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- ),
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- ]
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- else:
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- if self.config.name.startswith("mlqa-translate-test"):
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- archive = dl_manager.download(self.config.data_url)
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- lang = self.config.name.split(".")[-1]
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- return [
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- datasets.SplitGenerator(
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- name=datasets.Split.TEST,
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- # These kwargs will be passed to _generate_examples
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- gen_kwargs={
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- "filepath": f"mlqa-translate-test/translate-test-context-{lang}-question-{lang}.json",
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- "files": dl_manager.iter_archive(archive),
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- },
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- ),
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- ]
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-
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- def _generate_examples(self, filepath, files=None):
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- """Yields examples."""
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- if self.config.name.startswith("mlqa-translate"):
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- for path, f in files:
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- if path == filepath:
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- data = json.loads(f.read().decode("utf-8"))
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- break
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- else:
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- with open(filepath, encoding="utf-8") as f:
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- data = json.load(f)
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- for examples in data["data"]:
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- for example in examples["paragraphs"]:
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- context = example["context"]
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- for qa in example["qas"]:
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- question = qa["question"]
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- id_ = qa["id"]
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- answers = qa["answers"]
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- answers_start = [answer["answer_start"] for answer in answers]
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- answers_text = [answer["text"] for answer in answers]
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- yield id_, {
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- "context": context,
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- "question": question,
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- "answers": {"answer_start": answers_start, "text": answers_text},
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- "id": id_,
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- }