File size: 3,566 Bytes
b7cd722 |
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 |
import re
import cn2an
import opencc
from text.symbols import punctuation, sh_symbols
converter = opencc.OpenCC('text/lexicon/zaonhe.json')
def number_to_shanghainese(text):
def to_shanghainese(num):
num = cn2an.an2cn(num).replace('一十', '十').replace('二十', '廿').replace('二', '两')
return re.sub(r'((?:^|[^三四五六七八九])十|廿)两', r'\1二', num)
return re.sub(r'\d+(?:\.?\d+)?', lambda x: to_shanghainese(x.group()), text)
rep_map = {
"：": ",",
"；": ",",
"，": ",",
"。": ".",
"！": "!",
"？": "?",
"\n": ".",
"·": ",",
"、": ",",
"...": "…",
"$": ".",
"“": "'",
"”": "'",
"‘": "'",
"’": "'",
"（": "'",
"）": "'",
"(": "'",
")": "'",
"《": "'",
"》": "'",
"【": "'",
"】": "'",
"[": "'",
"]": "'",
"—": "-",
"～": "-",
"~": "-",
"「": "'",
"」": "'",
}
def replace_punctuation(text):
text = text.replace("嗯", "恩").replace("呣", "母")
pattern = re.compile("|".join(re.escape(p) for p in rep_map.keys()))
replaced_text = pattern.sub(lambda x: rep_map[x.group()], text)
replaced_text = re.sub(r"[^\u4e00-\u9fa5" + "".join(punctuation) + r"]+", "", replaced_text)
return replaced_text
def valid_tone_char(char):
return ("SH_" + char) in sh_symbols \
or char in punctuation \
or char.isdigit() \
or char.isspace()
def g2p(text):
phones, tones, word2ph = _g2p(text)
phones = ["_"] + phones + ["_"]
tones = [0] + tones + [0]
word2ph = [1] + word2ph + [1]
return phones, tones, word2ph
def _g2p(text):
phones = converter.convert(text).replace('-', '').replace('$', '')
phones = "".join([i if valid_tone_char(i) else '' for i in phones])
phone_chars = [i for i in phones]
phones = []
tones = []
word2ph = []
if len(phone_chars) == 0:
return phones, tones, word2ph
phone_start_pos = 0
for pos in range(len(phone_chars)):
char = phone_chars[pos]
if char.isdigit():
tone = int(char)
word2ph = word2ph + [pos - phone_start_pos]
for j in range(phone_start_pos, pos):
tones = tones + [tone]
phone_start_pos = pos + 1
elif char in punctuation:
if pos != phone_start_pos:
word2ph = word2ph + [pos - phone_start_pos]
for j in range(phone_start_pos, pos):
tones = tones + [0]
pass
phones = phones + [char]
tones = tones + [0]
word2ph = word2ph + [1]
phone_start_pos = pos + 1
else:
phones = phones + [char]
pass
last_phone_char = phone_chars[-1]
if not last_phone_char.isdigit() and last_phone_char not in punctuation:
word2ph = word2ph + [len(phone_chars) - phone_start_pos]
for j in range(phone_start_pos, len(phone_chars)):
tones = tones + [0]
pass
# phones 加前缀 'SH'
phones = ["SH_" + i if ("SH_" + i) in sh_symbols else i for i in phones]
assert len(tones) == len(phones)
assert sum(word2ph) == len(phones)
return phones, tones, word2ph
def text_normalize(text):
text = number_to_shanghainese(text.upper())
text = replace_punctuation(text)
return text
def get_bert_feature(text, word2ph, device):
from text import shanghainese_bert
return shanghainese_bert.get_bert_feature(text, word2ph, device)
|