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# Copyright 2024 The YourMT3 Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Please see the details in the LICENSE file.
"""dataset_stats.py"""
import os
import json
import glob
import numpy as np
from typing import Optional, List
STAT_FILE_NAME = "dataset_stats.json"
def generate_dataset_stats(data_home: os.PathLike, dataset_name: Optional[str] = None) -> None:
"""Generate dataset stats for a given dataset.
Args:
data_home: Path to the data directory.
dataset_name: Name of the dataset to (re)generate stats for. If None, generate MISSING stats for all
datasets.
"""
stat_file = os.path.join(data_home, 'yourmt3_indexes', STAT_FILE_NAME)
if os.path.exists(stat_file):
print(f"Loading existing dataset stats file: {stat_file}")
with open(stat_file, 'r') as f:
stats = json.load(f).items()
else:
print(f"Creating new dataset stats file: {stat_file}")
stats = {}
# Collect all existing yourmt3 indexes
indexes = glob.glob(os.path.join(data_home, 'yourmt3_indexes', '*_file_list.json'))
for index_file in indexes:
dataset_name = os.path.basename(index_file).split('_')[0]
split_name = os.path.basename(index_file).split('_')[1]
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