create_json.py

"""Create a JSON file mapping of available audio files to the TTS models that generated them.

The output JSON has the following structure:
{
    "path1.mp3": [
        "model1",
        "model2",
        ...
    ],
    "path2.mp3": [
        "model1",
        ...
    ],
    ...
}
"""
from collections import defaultdict
import json
import os
import pandas as pd

df = pd.read_csv("metadata-balanced.csv")
models = ["commonvoice", "metavoice", "playht", "stylettsv2", "xttsv2"]
ds = defaultdict(list)
for path in df.path:
    for model in models:
        if os.path.exists(os.path.join(model, path)):
            ds[path].append(model)

with open("files.json", "w") as json_file:
    json.dump(ds, json_file, indent=4)