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import unittest
from dataclasses import dataclass, field
from coqpit import Coqpit
from TTS.tts.utils.text.characters import Graphemes, IPAPhonemes, _blank, _bos, _eos, _pad, _phonemes, _punctuations
from TTS.tts.utils.text.phonemizers import ESpeak
from TTS.tts.utils.text.tokenizer import TTSTokenizer
class TestTTSTokenizer(unittest.TestCase):
def setUp(self):
self.tokenizer = TTSTokenizer(use_phonemes=False, characters=Graphemes())
self.ph = ESpeak("tr", backend="espeak")
self.tokenizer_ph = TTSTokenizer(use_phonemes=True, characters=IPAPhonemes(), phonemizer=self.ph)
def test_encode_decode_graphemes(self):
text = "This is, a test."
ids = self.tokenizer.encode(text)
test_hat = self.tokenizer.decode(ids)
self.assertEqual(text, test_hat)
self.assertEqual(len(ids), len(text))
def test_text_to_ids_phonemes(self):
# TODO: note sure how to extend to cover all the languages and phonemizer.
text = "Bu bir Örnek."
text_ph = self.ph.phonemize(text, separator="")
ids = self.tokenizer_ph.text_to_ids(text)
test_hat = self.tokenizer_ph.ids_to_text(ids)
self.assertEqual(text_ph, test_hat)
def test_text_to_ids_phonemes_punctuation(self):
text = "..."
text_ph = self.ph.phonemize(text, separator="")
ids = self.tokenizer_ph.text_to_ids(text)
test_hat = self.tokenizer_ph.ids_to_text(ids)
self.assertEqual(text_ph, test_hat)
def test_text_to_ids_phonemes_with_eos_bos(self):
text = "Bu bir Örnek."
self.tokenizer_ph.use_eos_bos = True
text_ph = IPAPhonemes().bos + self.ph.phonemize(text, separator="") + IPAPhonemes().eos
ids = self.tokenizer_ph.text_to_ids(text)
test_hat = self.tokenizer_ph.ids_to_text(ids)
self.assertEqual(text_ph, test_hat)
def test_text_to_ids_phonemes_with_eos_bos_and_blank(self):
text = "Bu bir Örnek."
self.tokenizer_ph.use_eos_bos = True
self.tokenizer_ph.add_blank = True
text_ph = "<BOS><BLNK>b<BLNK>ʊ<BLNK> <BLNK>b<BLNK>ɪ<BLNK>r<BLNK> <BLNK>œ<BLNK>r<BLNK>n<BLNK>ˈ<BLNK>ɛ<BLNK>c<BLNK>.<BLNK><EOS>"
ids = self.tokenizer_ph.text_to_ids(text)
text_hat = self.tokenizer_ph.ids_to_text(ids)
self.assertEqual(text_ph, text_hat)
def test_print_logs(self):
self.tokenizer.print_logs()
self.tokenizer_ph.print_logs()
def test_not_found_characters(self):
self.ph = ESpeak("en-us")
tokenizer_local = TTSTokenizer(use_phonemes=True, characters=IPAPhonemes(), phonemizer=self.ph)
self.assertEqual(len(self.tokenizer.not_found_characters), 0)
text = "Yolk of one egg beaten light"
ids = tokenizer_local.text_to_ids(text)
text_hat = tokenizer_local.ids_to_text(ids)
self.assertEqual(tokenizer_local.not_found_characters, ["̩"])
self.assertEqual(text_hat, "jˈoʊk ʌv wˈʌn ˈɛɡ bˈiːʔn lˈaɪt")
def test_init_from_config(self):
@dataclass
class Characters(Coqpit):
characters_class: str = None
characters: str = _phonemes
punctuations: str = _punctuations
pad: str = _pad
eos: str = _eos
bos: str = _bos
blank: str = _blank
is_unique: bool = True
is_sorted: bool = True
@dataclass
class TokenizerConfig(Coqpit):
enable_eos_bos_chars: bool = True
use_phonemes: bool = True
add_blank: bool = False
characters: str = field(default_factory=Characters)
phonemizer: str = "espeak"
phoneme_language: str = "tr"
text_cleaner: str = "phoneme_cleaners"
characters = field(default_factory=Characters)
tokenizer_ph, _ = TTSTokenizer.init_from_config(TokenizerConfig())
tokenizer_ph.phonemizer.backend = "espeak"
text = "Bu bir Örnek."
text_ph = "<BOS>" + self.ph.phonemize(text, separator="") + "<EOS>"
ids = tokenizer_ph.text_to_ids(text)
test_hat = tokenizer_ph.ids_to_text(ids)
self.assertEqual(text_ph, test_hat)
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