Datasets:

---

openlanguagedata

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oldi_seed

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Open Language Data Initiative 90

I adapted the conversion script from the one @laurievb wrote for FLORES+. I also added tests adapted from @cointegrated 's, which are all passing. Beyond the conversion, this PR fixes some typos and releases a new version.

# /// script
# requires-python = ">=3.10"
# dependencies = [
#   "datasets",
#   "fire",
# ]
# ///

from pathlib import Path

import datasets
import fire


def verify_parquet_matches_jsonl(
    parquet_file: Path,
    jsonl_file: Path,
) -> None:
    print(f"verifying {parquet_file} against {jsonl_file}")

    parquet_ds = datasets.load_dataset(
        "parquet", data_files={"train": str(parquet_file)}
    )["train"]
    jsonl_ds = datasets.load_dataset("json", data_files={"train": str(jsonl_file)})[
        "train"
    ]

    if len(parquet_ds) != len(jsonl_ds):
        raise RuntimeError(
            f"{jsonl_file}: row count mismatch "
            f"(parquet={len(parquet_ds)}, jsonl={len(jsonl_ds)})"
        )

    if parquet_ds.column_names != jsonl_ds.column_names:
        raise RuntimeError(
            f"{jsonl_file}: column mismatch "
            f"(parquet={parquet_ds.column_names}, jsonl={jsonl_ds.column_names})"
        )

    for row_idx, (parquet_row, jsonl_row) in enumerate(zip(parquet_ds, jsonl_ds)):
        if parquet_row != jsonl_row:
            raise RuntimeError(f"{jsonl_file}: mismatch at row {row_idx}")


def convert_parquet_to_jsonl(override: bool = False) -> None:
    for parquet_file in list(Path("seed").glob("*.parquet")):
        jsonl_file = parquet_file.with_suffix(".jsonl")
        if jsonl_file.exists() and not override:
            print(f"found {jsonl_file}, skipping conversion of {parquet_file}")
        else:
            print(f"loading {parquet_file}")
            ds = datasets.load_dataset(
                "parquet", data_files={"train": str(parquet_file)}
            )
            ds["train"].to_json(jsonl_file, force_ascii=False)

        verify_parquet_matches_jsonl(parquet_file, jsonl_file)


if __name__ == "__main__":
    fire.Fire(convert_parquet_to_jsonl)