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a9bd396 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | # Copyright 2023 The HuggingFace Team. 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.
import os
import shutil
import tempfile
import unittest
import numpy as np
from transformers import AutoTokenizer, BarkProcessor
from transformers.testing_utils import require_torch, slow
@require_torch
class BarkProcessorTest(unittest.TestCase):
def setUp(self):
self.checkpoint = "suno/bark-small"
self.tmpdirname = tempfile.mkdtemp()
self.voice_preset = "en_speaker_1"
self.input_string = "This is a test string"
self.speaker_embeddings_dict_path = "speaker_embeddings_path.json"
self.speaker_embeddings_directory = "speaker_embeddings"
def get_tokenizer(self, **kwargs):
return AutoTokenizer.from_pretrained(self.checkpoint, **kwargs)
def tearDown(self):
shutil.rmtree(self.tmpdirname)
def test_save_load_pretrained_default(self):
tokenizer = self.get_tokenizer()
processor = BarkProcessor(tokenizer=tokenizer)
processor.save_pretrained(self.tmpdirname)
processor = BarkProcessor.from_pretrained(self.tmpdirname)
self.assertEqual(processor.tokenizer.get_vocab(), tokenizer.get_vocab())
@slow
def test_save_load_pretrained_additional_features(self):
processor = BarkProcessor.from_pretrained(
pretrained_processor_name_or_path=self.checkpoint,
speaker_embeddings_dict_path=self.speaker_embeddings_dict_path,
)
# TODO (ebezzam) not all speaker embedding are properly downloaded.
# My hypothesis: there are many files (~700 speaker embeddings) and some fail to download (not the same at different first runs)
# https://github.com/huggingface/transformers/blob/967045082faaaaf3d653bfe665080fd746b2bb60/src/transformers/models/bark/processing_bark.py#L89
# https://github.com/huggingface/transformers/blob/967045082faaaaf3d653bfe665080fd746b2bb60/src/transformers/models/bark/processing_bark.py#L188
# So for testing purposes, we will remove the unavailable speaker embeddings before saving.
processor._verify_speaker_embeddings(remove_unavailable=True)
processor.save_pretrained(
self.tmpdirname,
speaker_embeddings_dict_path=self.speaker_embeddings_dict_path,
speaker_embeddings_directory=self.speaker_embeddings_directory,
)
tokenizer_add_kwargs = self.get_tokenizer(bos_token="(BOS)", eos_token="(EOS)")
processor = BarkProcessor.from_pretrained(
self.tmpdirname,
self.speaker_embeddings_dict_path,
bos_token="(BOS)",
eos_token="(EOS)",
)
self.assertEqual(processor.tokenizer.get_vocab(), tokenizer_add_kwargs.get_vocab())
def test_speaker_embeddings(self):
processor = BarkProcessor.from_pretrained(
pretrained_processor_name_or_path=self.checkpoint,
speaker_embeddings_dict_path=self.speaker_embeddings_dict_path,
)
seq_len = 35
nb_codebooks_coarse = 2
nb_codebooks_total = 8
voice_preset = {
"semantic_prompt": np.ones(seq_len),
"coarse_prompt": np.ones((nb_codebooks_coarse, seq_len)),
"fine_prompt": np.ones((nb_codebooks_total, seq_len)),
}
# test providing already loaded voice_preset
inputs = processor(text=self.input_string, voice_preset=voice_preset)
processed_voice_preset = inputs["history_prompt"]
for key in voice_preset:
self.assertListEqual(voice_preset[key].tolist(), processed_voice_preset.get(key, np.array([])).tolist())
# test loading voice preset from npz file
tmpfilename = os.path.join(self.tmpdirname, "file.npz")
np.savez(tmpfilename, **voice_preset)
inputs = processor(text=self.input_string, voice_preset=tmpfilename)
processed_voice_preset = inputs["history_prompt"]
for key in voice_preset:
self.assertListEqual(voice_preset[key].tolist(), processed_voice_preset.get(key, np.array([])).tolist())
# test loading voice preset from the hub
inputs = processor(text=self.input_string, voice_preset=self.voice_preset)
def test_tokenizer(self):
tokenizer = self.get_tokenizer()
processor = BarkProcessor(tokenizer=tokenizer)
encoded_processor = processor(text=self.input_string)
encoded_tok = tokenizer(
self.input_string,
padding="max_length",
max_length=256,
add_special_tokens=False,
return_attention_mask=True,
return_token_type_ids=False,
)
for key in encoded_tok:
self.assertListEqual(encoded_tok[key], encoded_processor[key].squeeze().tolist())
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