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#!/usr/bin/env python3
# Copyright 2022-2023 Xiaomi Corp. (authors: Fangjun Kuang,
# Zengwei Yao)
#
# See ../../../../LICENSE for clarification regarding multiple 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
This script checks the following assumptions of the generated manifest:
- Single supervision per cut
We will add more checks later if needed.
Usage example:
python3 ./utils/validate_manifest.py \
./data/spectrogram/ljspeech_cuts_all.jsonl.gz
"""
import argparse
import logging
from pathlib import Path
from lhotse import CutSet, load_manifest_lazy
from lhotse.dataset.speech_synthesis import validate_for_tts
def get_args():
parser = argparse.ArgumentParser()
parser.add_argument(
"manifest",
type=Path,
help="Path to the manifest file",
)
return parser.parse_args()
def main():
args = get_args()
manifest = args.manifest
logging.info(f"Validating {manifest}")
assert manifest.is_file(), f"{manifest} does not exist"
cut_set = load_manifest_lazy(manifest)
assert isinstance(cut_set, CutSet), type(cut_set)
validate_for_tts(cut_set)
if __name__ == "__main__":
formatter = "%(asctime)s %(levelname)s [%(filename)s:%(lineno)d] %(message)s"
logging.basicConfig(format=formatter, level=logging.INFO, force=True)
main()
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