Spaces:
Running
Running
File size: 7,716 Bytes
5548515 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 |
# Copyright (c) 2023 Amphion.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
import re
from g2p_en import G2p
from string import punctuation
from typing import Any, Dict, List, Optional, Pattern, Union
from phonemizer.backend import EspeakBackend
from phonemizer.backend.espeak.language_switch import LanguageSwitch
from phonemizer.backend.espeak.words_mismatch import WordMismatch
from phonemizer.punctuation import Punctuation
from phonemizer.separator import Separator
try:
from pypinyin import Style, pinyin
from pypinyin.style._utils import get_finals, get_initials
except Exception:
pass
# This code is modified from
# https://github.com/lifeiteng/vall-e/blob/9c69096d603ce13174fb5cb025f185e2e9b36ac7/valle/data/tokenizer.py
class PypinyinBackend:
"""PypinyinBackend for Chinese. Most codes is referenced from espnet.
There are two types pinyin or initials_finals, one is
just like "ni1 hao3", the other is like "n i1 h ao3".
"""
def __init__(
self,
backend="initials_finals",
punctuation_marks: Union[str, Pattern] = Punctuation.default_marks(),
) -> None:
self.backend = backend
self.punctuation_marks = punctuation_marks
def phonemize(
self, text: List[str], separator: Separator, strip=True, njobs=1
) -> List[str]:
assert isinstance(text, List)
phonemized = []
for _text in text:
_text = re.sub(" +", " ", _text.strip())
_text = _text.replace(" ", separator.word)
phones = []
if self.backend == "pypinyin":
for n, py in enumerate(
pinyin(_text, style=Style.TONE3, neutral_tone_with_five=True)
):
if all([c in self.punctuation_marks for c in py[0]]):
if len(phones):
assert phones[-1] == separator.syllable
phones.pop(-1)
phones.extend(list(py[0]))
else:
phones.extend([py[0], separator.syllable])
elif self.backend == "pypinyin_initials_finals":
for n, py in enumerate(
pinyin(_text, style=Style.TONE3, neutral_tone_with_five=True)
):
if all([c in self.punctuation_marks for c in py[0]]):
if len(phones):
assert phones[-1] == separator.syllable
phones.pop(-1)
phones.extend(list(py[0]))
else:
if py[0][-1].isalnum():
initial = get_initials(py[0], strict=False)
if py[0][-1].isdigit():
final = get_finals(py[0][:-1], strict=False) + py[0][-1]
else:
final = get_finals(py[0], strict=False)
phones.extend(
[
initial,
separator.phone,
final,
separator.syllable,
]
)
else:
assert ValueError
else:
raise NotImplementedError
phonemized.append(
"".join(phones).rstrip(f"{separator.word}{separator.syllable}")
)
return phonemized
class G2PModule:
"""Phonemize Text."""
def __init__(
self,
language="en-us",
backend="espeak",
separator=Separator(word="_", syllable="-", phone="|"),
preserve_punctuation=True,
punctuation_marks: Union[str, Pattern] = Punctuation.default_marks(),
with_stress: bool = False,
tie: Union[bool, str] = False,
language_switch: LanguageSwitch = "keep-flags",
words_mismatch: WordMismatch = "ignore",
) -> None:
self.backend = self._initialize_backend(
backend,
language,
punctuation_marks,
preserve_punctuation,
with_stress,
tie,
language_switch,
words_mismatch,
)
self.separator = separator
def _initialize_backend(
self,
backend,
language,
punctuation_marks,
preserve_punctuation,
with_stress,
tie,
language_switch,
words_mismatch,
):
if backend == "espeak":
return EspeakBackend(
language,
punctuation_marks=punctuation_marks,
preserve_punctuation=preserve_punctuation,
with_stress=with_stress,
tie=tie,
language_switch=language_switch,
words_mismatch=words_mismatch,
)
elif backend in ["pypinyin", "pypinyin_initials_finals"]:
return PypinyinBackend(
backend=backend,
punctuation_marks=punctuation_marks + self.separator.word,
)
else:
raise NotImplementedError(f"{backend}")
def to_list(self, phonemized: str) -> List[str]:
fields = []
for word in phonemized.split(self.separator.word):
pp = re.findall(r"\w+|[^\w\s]", word, re.UNICODE)
fields.extend(
[p for p in pp if p != self.separator.phone] + [self.separator.word]
)
assert len("".join(fields[:-1])) == len(phonemized) - phonemized.count(
self.separator.phone
)
return fields[:-1]
def phonemization(self, text, strip=True) -> List[List[str]]:
if isinstance(text, str):
text = [text]
phonemized = self.backend.phonemize(
text, separator=self.separator, strip=strip, njobs=1
)
phonemes = [self.to_list(p) for p in phonemized]
return phonemes
def g2p_conversion(self, text: str) -> List[str]:
phonemes = self.phonemization([text.strip()])
return phonemes[0]
class LexiconModule:
def __init__(self, lex_path, language="en-us") -> None:
# todo: check lexicon derivation, merge with G2PModule?
lexicon = {}
with open(lex_path) as f:
for line in f:
temp = re.split(r"\s+", line.strip("\n"))
word = temp[0]
phones = temp[1:]
if word.lower() not in lexicon:
lexicon[word.lower()] = phones
self.lexicon = lexicon
self.language = language
self.lang2g2p = {"en-us": G2p()}
def g2p_conversion(self, text):
phone = None
# todo: preprocess with other languages
if self.language == "en-us":
phone = self.preprocess_english(text)
else:
print("No support to", self.language)
raise
return phone
def preprocess_english(self, text):
text = text.rstrip(punctuation)
g2p = self.lang2g2p["en-us"]
phones = []
words = re.split(r"([,;.\-\?\!\s+])", text)
for w in words:
if w.lower() in self.lexicon:
phones += self.lexicon[w.lower()]
else:
phones += list(filter(lambda p: p != " ", g2p(w)))
phones = "}{".join(phones)
phones = re.sub(r"\{[^\w\s]?\}", "{sp}", phones)
phones = phones.replace("}{", " ")
return phones
|