fix_metadata_format.py

#!/usr/bin/env python3

import json
from pathlib import Path


def fix_metadata_format():
    """Fix metadata.jsonl to use file_name column for HF audio datasets"""

    input_file = "data/metadata.jsonl"
    output_file = "data/metadata.jsonl"

    records = []

    # Read current metadata
    with open(input_file, "r", encoding="utf-8") as f:
        for line in f:
            old_record = json.loads(line)

            # Create new record with file_name column
            record = {
                "file_name": old_record["audio"],  # audio path becomes file_name
                "word": old_record["word"],
                "ipa": old_record["ipa"]
            }
            records.append(record)

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

    print(f"Fixed {len(records)} records in metadata.jsonl")
    print("Updated format to use file_name column for HF audio datasets")

    # Show first 3 records
    print("\nFirst 3 records:")
    for i, record in enumerate(records[:3], 1):
        print(f"{i}. {json.dumps(record, ensure_ascii=False)}")

    return records


if __name__ == "__main__":
    fix_metadata_format()