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PaddleSpeech/utils/format_data.py

131 lines
4.7 KiB

#!/usr/bin/env python3
# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# 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.
"""format manifest with more metadata."""
import argparse
import functools
import json
from paddlespeech.s2t.frontend.featurizer.text_featurizer import TextFeaturizer
from paddlespeech.s2t.frontend.utility import load_cmvn
from paddlespeech.s2t.frontend.utility import read_manifest
from paddlespeech.s2t.io.utility import feat_type
from paddlespeech.s2t.utils.utility import add_arguments
from paddlespeech.s2t.utils.utility import print_arguments
parser = argparse.ArgumentParser(description=__doc__)
add_arg = functools.partial(add_arguments, argparser=parser)
# yapf: disable
add_arg('cmvn_path', str,
'examples/librispeech/data/mean_std.json',
"Filepath of cmvn.")
add_arg('unit_type', str, "char", "Unit type, e.g. char, word, spm")
add_arg('vocab_path', str,
'examples/librispeech/data/vocab.txt',
"Filepath of the vocabulary.")
add_arg('manifest_paths', str,
None,
"Filepaths of manifests for building vocabulary. "
"You can provide multiple manifest files.",
nargs='+',
required=True)
# bpe
add_arg('spm_model_prefix', str, None,
"spm model prefix, spm_model_%(bpe_mode)_%(count_threshold), only need when `unit_type` is spm")
add_arg('output_path', str, None, "filepath of formated manifest.", required=True)
# yapf: disable
args = parser.parse_args()
def main():
print_arguments(args, globals())
fout = open(args.output_path, 'w', encoding='utf-8')
# get feat dim
filetype = args.cmvn_path.split(".")[-1]
mean, istd = load_cmvn(args.cmvn_path, filetype=filetype)
feat_dim = mean.shape[0] #(D)
print(f"Feature dim: {feat_dim}")
text_feature = TextFeaturizer(args.unit_type, args.vocab_path, args.spm_model_prefix)
vocab_size = text_feature.vocab_size
print(f"Vocab size: {vocab_size}")
# josnline like this
# {
# "input": [{"name": "input1", "shape": (100, 83), "feat": "xxx.ark:123"}],
# "output": [{"name":"target1", "shape": (40, 5002), "text": "a b c de"}],
# "utt2spk": "111-2222",
# "utt": "111-2222-333"
# }
count = 0
for manifest_path in args.manifest_paths:
manifest_jsons = read_manifest(manifest_path)
for line_json in manifest_jsons:
output_json = {
"input": [],
"output": [],
'utt': line_json['utt'],
'utt2spk': line_json.get('utt2spk', 'global'),
}
# output
line = line_json['text']
if isinstance(line, str):
# only one target
tokens = text_feature.tokenize(line)
tokenids = text_feature.featurize(line)
output_json['output'].append({
'name': 'traget1',
'shape': (len(tokenids), vocab_size),
'text': line,
'token': ' '.join(tokens),
'tokenid': ' '.join(map(str, tokenids)),
})
else:
# isinstance(line, list), multi target
raise NotImplementedError("not support multi output now!")
# input
line = line_json['feat']
if isinstance(line, str):
# only one input
feat_shape = line_json['feat_shape']
assert isinstance(feat_shape, (list, tuple)), type(feat_shape)
filetype = feat_type(line)
if filetype == 'sound':
feat_shape.append(feat_dim)
else: # kaldi
raise NotImplementedError('no support kaldi feat now!')
output_json['input'].append({
"name": "input1",
"shape": feat_shape,
"feat": line,
"filetype": filetype,
})
else:
# isinstance(line, list), multi input
raise NotImplementedError("not support multi input now!")
fout.write(json.dumps(output_json) + '\n')
count += 1
print(f"Examples number: {count}")
fout.close()
if __name__ == '__main__':
main()