File size: 11,994 Bytes
1cf1e13
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
# Convert Japanese text to phonemes which is
# compatible with Julius https://github.com/julius-speech/segmentation-kit
import re
import unicodedata

from transformers import AutoTokenizer

from . import punctuation, symbols

from num2words import num2words

import pyopenjtalk
import jaconv


def kata2phoneme(text: str) -> str:
    """Convert katakana text to phonemes."""
    text = text.strip()
    if text == "ー":
        return ["ー"]
    elif text.startswith("ー"):
        return ["ー"] + kata2phoneme(text[1:])
    res = []
    prev = None
    while text:
        if re.match(_MARKS, text):
            res.append(text)
            text = text[1:]
            continue
        if text.startswith("ー"):
            if prev:
                res.append(prev[-1])
            text = text[1:]
            continue
        res += pyopenjtalk.g2p(text).lower().replace("cl", "q").split(" ")
        break
    # res = _COLON_RX.sub(":", res)
    return res


def hira2kata(text: str) -> str:
    return jaconv.hira2kata(text)


_SYMBOL_TOKENS = set(list("・、。?!"))
_NO_YOMI_TOKENS = set(list("「」『』―()[][]"))
_MARKS = re.compile(
    r"[^A-Za-z\d\u3005\u3040-\u30ff\u4e00-\u9fff\uff11-\uff19\uff21-\uff3a\uff41-\uff5a\uff66-\uff9d]"
)


def text2kata(text: str) -> str:
    parsed = pyopenjtalk.run_frontend(text)

    res = []
    for parts in parsed:
        word, yomi = replace_punctuation(parts["string"]), parts["pron"].replace(
            "’", ""
        )
        if yomi:
            if re.match(_MARKS, yomi):
                if len(word) > 1:
                    word = [replace_punctuation(i) for i in list(word)]
                    yomi = word
                    res += yomi
                    sep += word
                    continue
                elif word not in rep_map.keys() and word not in rep_map.values():
                    word = ","
                yomi = word
            res.append(yomi)
        else:
            if word in _SYMBOL_TOKENS:
                res.append(word)
            elif word in ("っ", "ッ"):
                res.append("ッ")
            elif word in _NO_YOMI_TOKENS:
                pass
            else:
                res.append(word)
    return hira2kata("".join(res))


def text2sep_kata(text: str) -> (list, list):
    parsed = pyopenjtalk.run_frontend(text)

    res = []
    sep = []
    for parts in parsed:
        word, yomi = replace_punctuation(parts["string"]), parts["pron"].replace(
            "’", ""
        )
        if yomi:
            if re.match(_MARKS, yomi):
                if len(word) > 1:
                    word = [replace_punctuation(i) for i in list(word)]
                    yomi = word
                    res += yomi
                    sep += word
                    continue
                elif word not in rep_map.keys() and word not in rep_map.values():
                    word = ","
                yomi = word
            res.append(yomi)
        else:
            if word in _SYMBOL_TOKENS:
                res.append(word)
            elif word in ("っ", "ッ"):
                res.append("ッ")
            elif word in _NO_YOMI_TOKENS:
                pass
            else:
                res.append(word)
        sep.append(word)
    return sep, [hira2kata(i) for i in res], get_accent(parsed)


def get_accent(parsed):
    labels = pyopenjtalk.make_label(parsed)

    phonemes = []
    accents = []
    for n, label in enumerate(labels):
        phoneme = re.search(r"\-([^\+]*)\+", label).group(1)
        if phoneme not in ["sil", "pau"]:
            phonemes.append(phoneme.replace("cl", "q").lower())
        else:
            continue
        a1 = int(re.search(r"/A:(\-?[0-9]+)\+", label).group(1))
        a2 = int(re.search(r"\+(\d+)\+", label).group(1))
        if re.search(r"\-([^\+]*)\+", labels[n + 1]).group(1) in ["sil", "pau"]:
            a2_next = -1
        else:
            a2_next = int(re.search(r"\+(\d+)\+", labels[n + 1]).group(1))
        # Falling
        if a1 == 0 and a2_next == a2 + 1:
            accents.append(-1)
        # Rising
        elif a2 == 1 and a2_next == 2:
            accents.append(1)
        else:
            accents.append(0)
    return list(zip(phonemes, accents))


_ALPHASYMBOL_YOMI = {
    "#": "シャープ",
    "%": "パーセント",
    "&": "アンド",
    "+": "プラス",
    "-": "マイナス",
    ":": "コロン",
    ";": "セミコロン",
    "<": "小なり",
    "=": "イコール",
    ">": "大なり",
    "@": "アット",
    "a": "エー",
    "b": "ビー",
    "c": "シー",
    "d": "ディー",
    "e": "イー",
    "f": "エフ",
    "g": "ジー",
    "h": "エイチ",
    "i": "アイ",
    "j": "ジェー",
    "k": "ケー",
    "l": "エル",
    "m": "エム",
    "n": "エヌ",
    "o": "オー",
    "p": "ピー",
    "q": "キュー",
    "r": "アール",
    "s": "エス",
    "t": "ティー",
    "u": "ユー",
    "v": "ブイ",
    "w": "ダブリュー",
    "x": "エックス",
    "y": "ワイ",
    "z": "ゼット",
    "α": "アルファ",
    "β": "ベータ",
    "γ": "ガンマ",
    "δ": "デルタ",
    "ε": "イプシロン",
    "ζ": "ゼータ",
    "η": "イータ",
    "θ": "シータ",
    "ι": "イオタ",
    "κ": "カッパ",
    "λ": "ラムダ",
    "μ": "ミュー",
    "ν": "ニュー",
    "ξ": "クサイ",
    "ο": "オミクロン",
    "π": "パイ",
    "ρ": "ロー",
    "σ": "シグマ",
    "τ": "タウ",
    "υ": "ウプシロン",
    "φ": "ファイ",
    "χ": "カイ",
    "ψ": "プサイ",
    "ω": "オメガ",
}


_NUMBER_WITH_SEPARATOR_RX = re.compile("[0-9]{1,3}(,[0-9]{3})+")
_CURRENCY_MAP = {"$": "ドル", "¥": "円", "£": "ポンド", "€": "ユーロ"}
_CURRENCY_RX = re.compile(r"([$¥£€])([0-9.]*[0-9])")
_NUMBER_RX = re.compile(r"[0-9]+(\.[0-9]+)?")


def japanese_convert_numbers_to_words(text: str) -> str:
    res = _NUMBER_WITH_SEPARATOR_RX.sub(lambda m: m[0].replace(",", ""), text)
    res = _CURRENCY_RX.sub(lambda m: m[2] + _CURRENCY_MAP.get(m[1], m[1]), res)
    res = _NUMBER_RX.sub(lambda m: num2words(m[0], lang="ja"), res)
    return res


def japanese_convert_alpha_symbols_to_words(text: str) -> str:
    return "".join([_ALPHASYMBOL_YOMI.get(ch, ch) for ch in text.lower()])


def japanese_text_to_phonemes(text: str) -> str:
    """Convert Japanese text to phonemes."""
    res = unicodedata.normalize("NFKC", text)
    res = japanese_convert_numbers_to_words(res)
    # res = japanese_convert_alpha_symbols_to_words(res)
    res = text2kata(res)
    res = kata2phoneme(res)
    return res


def is_japanese_character(char):
    # 定义日语文字系统的 Unicode 范围
    japanese_ranges = [
        (0x3040, 0x309F),  # 平假名
        (0x30A0, 0x30FF),  # 片假名
        (0x4E00, 0x9FFF),  # 汉字 (CJK Unified Ideographs)
        (0x3400, 0x4DBF),  # 汉字扩展 A
        (0x20000, 0x2A6DF),  # 汉字扩展 B
        # 可以根据需要添加其他汉字扩展范围
    ]

    # 将字符的 Unicode 编码转换为整数
    char_code = ord(char)

    # 检查字符是否在任何一个日语范围内
    for start, end in japanese_ranges:
        if start <= char_code <= end:
            return True

    return False


rep_map = {
    ":": ",",
    ";": ",",
    ",": ",",
    "。": ".",
    "!": "!",
    "?": "?",
    "\n": ".",
    ".": ".",
    "…": "...",
    "···": "...",
    "・・・": "...",
    "·": ",",
    "・": ",",
    "、": ",",
    "$": ".",
    "“": "'",
    "”": "'",
    '"': "'",
    "‘": "'",
    "’": "'",
    "(": "'",
    ")": "'",
    "(": "'",
    ")": "'",
    "《": "'",
    "》": "'",
    "【": "'",
    "】": "'",
    "[": "'",
    "]": "'",
    "—": "-",
    "−": "-",
    "~": "-",
    "~": "-",
    "「": "'",
    "」": "'",
}


def replace_punctuation(text):
    pattern = re.compile("|".join(re.escape(p) for p in rep_map.keys()))

    replaced_text = pattern.sub(lambda x: rep_map[x.group()], text)

    replaced_text = re.sub(
        r"[^\u3040-\u309F\u30A0-\u30FF\u4E00-\u9FFF\u3400-\u4DBF\u3005"
        + "".join(punctuation)
        + r"]+",
        "",
        replaced_text,
    )

    return replaced_text


def text_normalize(text):
    res = unicodedata.normalize("NFKC", text)
    res = japanese_convert_numbers_to_words(res)
    # res = "".join([i for i in res if is_japanese_character(i)])
    res = replace_punctuation(res)
    res = res.replace("゙", "")
    return res


def distribute_phone(n_phone, n_word):
    phones_per_word = [0] * n_word
    for task in range(n_phone):
        min_tasks = min(phones_per_word)
        min_index = phones_per_word.index(min_tasks)
        phones_per_word[min_index] += 1
    return phones_per_word


def handle_long(sep_phonemes):
    for i in range(len(sep_phonemes)):
        if sep_phonemes[i][0] == "ー":
            sep_phonemes[i][0] = sep_phonemes[i - 1][-1]
        if "ー" in sep_phonemes[i]:
            for j in range(len(sep_phonemes[i])):
                if sep_phonemes[i][j] == "ー":
                    sep_phonemes[i][j] = sep_phonemes[i][j - 1][-1]
    return sep_phonemes


tokenizer = AutoTokenizer.from_pretrained("./bert/deberta-v2-large-japanese-char-wwm")


def align_tones(phones, tones):
    res = []
    for pho in phones:
        temp = [0] * len(pho)
        for idx, p in enumerate(pho):
            if len(tones) == 0:
                break
            if p == tones[0][0]:
                temp[idx] = tones[0][1]
                if idx > 0:
                    temp[idx] += temp[idx - 1]
                tones.pop(0)
        temp = [0] + temp
        temp = temp[:-1]
        if -1 in temp:
            temp = [i + 1 for i in temp]
        res.append(temp)
    res = [i for j in res for i in j]
    assert not any([i < 0 for i in res]) and not any([i > 1 for i in res])
    return res


def rearrange_tones(tones, phones):
    res = [0] * len(tones)
    for i in range(len(tones)):
        if i == 0:
            if tones[i] not in punctuation:
                res[i] = 1
        elif tones[i] == prev:
            if phones[i] in punctuation:
                res[i] = 0
            else:
                res[i] = 1
        elif tones[i] > prev:
            res[i] = 2
        elif tones[i] < prev:
            res[i - 1] = 3
            res[i] = 1
        prev = tones[i]
    return res


def g2p(norm_text):
    sep_text, sep_kata, acc = text2sep_kata(norm_text)
    sep_tokenized = []
    for i in sep_text:
        if i not in punctuation:
            sep_tokenized.append(tokenizer.tokenize(i))
        else:
            sep_tokenized.append([i])

    sep_phonemes = handle_long([kata2phoneme(i) for i in sep_kata])
    # 异常处理,MeCab不认识的词的话会一路传到这里来,然后炸掉。目前来看只有那些超级稀有的生僻词会出现这种情况
    for i in sep_phonemes:
        for j in i:
            assert j in symbols, (sep_text, sep_kata, sep_phonemes)
    tones = align_tones(sep_phonemes, acc)

    word2ph = []
    for token, phoneme in zip(sep_tokenized, sep_phonemes):
        phone_len = len(phoneme)
        word_len = len(token)

        aaa = distribute_phone(phone_len, word_len)
        word2ph += aaa
    phones = ["_"] + [j for i in sep_phonemes for j in i] + ["_"]
    # tones = [0] + rearrange_tones(tones, phones[1:-1]) + [0]
    tones = [0] + tones + [0]
    word2ph = [1] + word2ph + [1]
    assert len(phones) == len(tones)
    return phones, tones, word2ph


if __name__ == "__main__":
    tokenizer = AutoTokenizer.from_pretrained("./bert/deberta-v2-large-japanese")
    text = "hello,こんにちは、世界ー!……"
    from text.japanese_bert import get_bert_feature

    text = text_normalize(text)
    print(text)

    phones, tones, word2ph = g2p(text)
    bert = get_bert_feature(text, word2ph)

    print(phones, tones, word2ph, bert.shape)