convert_to_jsonl.py

#!/usr/bin/env python3

import csv
import json


def convert_csv_to_jsonl(csv_file="vietnamese_ipa_dataset.csv", jsonl_file="vietnamese_ipa_dataset.jsonl"):
    """Convert CSV dataset to JSONL format"""

    records = []

    # Read CSV file
    with open(csv_file, "r", encoding="utf-8") as f:
        reader = csv.DictReader(f)
        for row in reader:
            # Create record with proper structure
            record = {
                "word": row["word"],
                "ipa": row["ipa"],
                "audio": {
                    "path": row["audio_file"],
                    "sampling_rate": 22050  # Standard sampling rate for gTTS
                }
            }
            records.append(record)

    # Write JSONL file
    with open(jsonl_file, "w", encoding="utf-8") as f:
        for record in records:
            f.write(json.dumps(record, ensure_ascii=False) + "\n")

    print(f"Converted {len(records)} records from CSV to JSONL")
    print(f"Output saved to: {jsonl_file}")

    # Display first 5 records
    print("\nFirst 5 records:")
    for i, record in enumerate(records[:5], 1):
        print(f"{i}. {record['word']} -> {record['ipa']}")

    return records


if __name__ == "__main__":
    convert_csv_to_jsonl()