Пример #1
0
def deanonymize_dataset(
    rg_path: str,
    standardized_dataset: Dataset,
    processed_dataset_path: str = None,
    n_samples: int = None,
):
    """Take an anonymized dataset and add back the original dataset columns."""
    assert processed_dataset_path is not None, \
        "Please specify a path to save the dataset."

    # Load the dataset
    dataset = Dataset.load_from_disk(rg_path)

    if n_samples:
        dataset.set_visible_rows(list(range(n_samples)))
        standardized_dataset.set_visible_rows(list(range(n_samples)))

    text_columns = []

    # Add columns from the standardized dataset
    dataset.add_column('document', standardized_dataset['document'])
    text_columns.append('document')

    if 'summary:reference' in standardized_dataset.column_names:
        dataset.add_column('summary:reference',
                           standardized_dataset['summary:reference'])
        text_columns.append('summary:reference')

    # Preprocessing all the text columns
    dataset = dataset.update(
        lambda x: {
            f'preprocessed_{k}': x[k] if args.no_clean else clean_text(x[k])
            for k in text_columns
        })

    # Run the Spacy pipeline on all preprocessed text columns
    try:
        nlp = load('en_core_web_lg')
    except OSError:
        nlp = load('en_core_web_sm')

    nlp.add_pipe('sentencizer', before="parser")
    spacy = Spacy(nlp=nlp)
    dataset = spacy(
        dataset,
        [f'preprocessed_{col}' for col in text_columns],
        batch_size=100,
    )

    # Directly save to disk
    dataset.save_to_disk(processed_dataset_path)

    return dataset
Пример #2
0
def run_workflow(
    jsonl_path: str = None,
    dataset: Dataset = None,
    doc_column: str = None,
    reference_column: str = None,
    summary_columns: List[str] = None,
    bert_aligner_threshold: float = 0.5,
    bert_aligner_top_k: int = 3,
    embedding_aligner_threshold: float = 0.5,
    embedding_aligner_top_k: int = 3,
    processed_dataset_path: str = None,
    n_samples: int = None,
    anonymize: bool = False,
):
    assert (jsonl_path is None) != (dataset is None), \
        "One of `jsonl_path` and `dataset` must be specified."
    assert processed_dataset_path is not None, \
        "Please specify a path to save the dataset."

    # Load the dataset
    if jsonl_path is not None:
        dataset = Dataset.from_jsonl(jsonl_path)

    if doc_column is None:
        # Assume `doc_column` is called "document"
        doc_column = 'document'
        assert doc_column in dataset.column_names, \
            f"`doc_column={doc_column}` is not a column in dataset."
        print("Assuming `doc_column` is called 'document'.")

    if reference_column is None:
        # Assume `reference_column` is called "summary:reference"
        reference_column = 'summary:reference'
        print("Assuming `reference_column` is called 'summary:reference'.")
        if reference_column not in dataset.column_names:
            print("No reference summary loaded")
            reference_column = None

    if summary_columns is None or len(summary_columns) == 0:
        # Assume `summary_columns` are prefixed by "summary:"
        summary_columns = []
        for col in dataset.column_names:
            if col.startswith("summary:") and col != "summary:reference":
                summary_columns.append(col)
        print(
            f"Reading summary columns from dataset. Found {summary_columns}.")

    if len(summary_columns) == 0 and reference_column is None:
        raise ValueError("At least one summary is required")

    # Set visible rows to restrict to the first `n_samples`
    if n_samples:
        dataset.set_visible_rows(list(range(n_samples)))

    # Combine the text columns into one list
    text_columns = [doc_column] + ([reference_column] if reference_column else
                                   []) + summary_columns

    # Preprocessing all the text columns
    dataset = dataset.update(
        lambda x: {
            f'preprocessed_{k}': x[k] if args.no_clean else clean_text(x[k])
            for k in text_columns
        })

    # Run the Spacy pipeline on all preprocessed text columns
    try:
        nlp = load('en_core_web_lg')
    except OSError:
        nlp = None

    if nlp is None:
        raise OSError(
            'Missing spaCy model "en_core_web_lg". Please run "python -m spacy download en_core_web_lg"'
        )

    nlp.add_pipe('sentencizer', before="parser")
    spacy = Spacy(nlp=nlp)
    dataset = spacy(
        dataset,
        [f'preprocessed_{col}' for col in text_columns],
        batch_size=100,
    )

    # Run the 3 align pipelines
    bert_aligner = BertscoreAlignerCap(
        threshold=bert_aligner_threshold,
        top_k=bert_aligner_top_k,
        spacy=spacy,
    )

    embedding_aligner = StaticEmbeddingAlignerCap(
        threshold=embedding_aligner_threshold,
        top_k=embedding_aligner_top_k,
        spacy=spacy,
    )

    ngram_aligner = NGramAlignerCap(spacy=spacy, )

    dataset = _run_aligners(
        dataset=dataset,
        aligners=[bert_aligner, embedding_aligner, ngram_aligner],
        doc_column=f'preprocessed_{doc_column}',
        reference_column=f'preprocessed_{reference_column}'
        if reference_column else None,
        summary_columns=[f'preprocessed_{col}' for col in summary_columns],
    )

    # Save the dataset
    if anonymize:
        # Remove certain columns to anonymize and save to disk
        for col in [doc_column, reference_column]:
            if col is not None:
                dataset.remove_column(col)
                dataset.remove_column(f'preprocessed_{col}')
                dataset.remove_column(
                    str(spacy.identifier(columns=[f'preprocessed_{col}'])))
                del dataset.interactions[CACHEDOPS].history[(
                    spacy.identifier, f'preprocessed_{col}')]
        dataset.save_to_disk(f'{processed_dataset_path}.anonymized')
    else:
        # Directly save to disk
        dataset.save_to_disk(processed_dataset_path)

    return dataset