Spaces:
Build error
Build error
File size: 7,113 Bytes
3c7a160 |
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 |
# Copyright (c) 2021 PaddlePaddle Authors. 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.
"""
Rules to verbalize numbers into Chinese characters.
https://zh.wikipedia.org/wiki/中文数字#現代中文
"""
import re
from collections import OrderedDict
from typing import List
DIGITS = {str(i): tran for i, tran in enumerate('零一二三四五六七八九')}
UNITS = OrderedDict({
1: '十',
2: '百',
3: '千',
4: '万',
8: '亿',
})
COM_QUANTIFIERS = '(封|艘|把|目|套|段|人|所|朵|匹|张|座|回|场|尾|条|个|首|阙|阵|网|炮|顶|丘|棵|只|支|袭|辆|挑|担|颗|壳|窠|曲|墙|群|腔|砣|座|客|贯|扎|捆|刀|令|打|手|罗|坡|山|岭|江|溪|钟|队|单|双|对|出|口|头|脚|板|跳|枝|件|贴|针|线|管|名|位|身|堂|课|本|页|家|户|层|丝|毫|厘|分|钱|两|斤|担|铢|石|钧|锱|忽|(千|毫|微)克|毫|厘|(公)分|分|寸|尺|丈|里|寻|常|铺|程|(千|分|厘|毫|微)米|米|撮|勺|合|升|斗|石|盘|碗|碟|叠|桶|笼|盆|盒|杯|钟|斛|锅|簋|篮|盘|桶|罐|瓶|壶|卮|盏|箩|箱|煲|啖|袋|钵|年|月|日|季|刻|时|周|天|秒|分|小时|旬|纪|岁|世|更|夜|春|夏|秋|冬|代|伏|辈|丸|泡|粒|颗|幢|堆|条|根|支|道|面|片|张|颗|块|元|(亿|千万|百万|万|千|百)|(亿|千万|百万|万|千|百|美|)元|(亿|千万|百万|万|千|百|十|)吨|(亿|千万|百万|万|千|百|)块|角|毛|分)'
# 分数表达式
RE_FRAC = re.compile(r'(-?)(\d+)/(\d+)')
def replace_frac(match) -> str:
"""
Args:
match (re.Match)
Returns:
str
"""
sign = match.group(1)
nominator = match.group(2)
denominator = match.group(3)
sign: str = "负" if sign else ""
nominator: str = num2str(nominator)
denominator: str = num2str(denominator)
result = f"{sign}{denominator}分之{nominator}"
return result
# 百分数表达式
RE_PERCENTAGE = re.compile(r'(-?)(\d+(\.\d+)?)%')
def replace_percentage(match) -> str:
"""
Args:
match (re.Match)
Returns:
str
"""
sign = match.group(1)
percent = match.group(2)
sign: str = "负" if sign else ""
percent: str = num2str(percent)
result = f"{sign}百分之{percent}"
return result
# 整数表达式
# 带负号的整数 -10
RE_INTEGER = re.compile(r'(-)' r'(\d+)')
def replace_negative_num(match) -> str:
"""
Args:
match (re.Match)
Returns:
str
"""
sign = match.group(1)
number = match.group(2)
sign: str = "负" if sign else ""
number: str = num2str(number)
result = f"{sign}{number}"
return result
# 编号-无符号整形
# 00078
RE_DEFAULT_NUM = re.compile(r'\d{3}\d*')
def replace_default_num(match):
"""
Args:
match (re.Match)
Returns:
str
"""
number = match.group(0)
return verbalize_digit(number, alt_one=True)
# 数字表达式
# 纯小数
RE_DECIMAL_NUM = re.compile(r'(-?)((\d+)(\.\d+))' r'|(\.(\d+))')
# 正整数 + 量词
RE_POSITIVE_QUANTIFIERS = re.compile(r"(\d+)([多余几\+])?" + COM_QUANTIFIERS)
RE_NUMBER = re.compile(r'(-?)((\d+)(\.\d+)?)' r'|(\.(\d+))')
def replace_positive_quantifier(match) -> str:
"""
Args:
match (re.Match)
Returns:
str
"""
number = match.group(1)
match_2 = match.group(2)
if match_2 == "+":
match_2 = "多"
match_2: str = match_2 if match_2 else ""
quantifiers: str = match.group(3)
number: str = num2str(number)
result = f"{number}{match_2}{quantifiers}"
return result
def replace_number(match) -> str:
"""
Args:
match (re.Match)
Returns:
str
"""
sign = match.group(1)
number = match.group(2)
pure_decimal = match.group(5)
if pure_decimal:
result = num2str(pure_decimal)
else:
sign: str = "负" if sign else ""
number: str = num2str(number)
result = f"{sign}{number}"
return result
# 范围表达式
# match.group(1) and match.group(8) are copy from RE_NUMBER
RE_RANGE = re.compile(
r'((-?)((\d+)(\.\d+)?)|(\.(\d+)))[-~]((-?)((\d+)(\.\d+)?)|(\.(\d+)))')
def replace_range(match) -> str:
"""
Args:
match (re.Match)
Returns:
str
"""
first, second = match.group(1), match.group(8)
first = RE_NUMBER.sub(replace_number, first)
second = RE_NUMBER.sub(replace_number, second)
result = f"{first}到{second}"
return result
def _get_value(value_string: str, use_zero: bool=True) -> List[str]:
stripped = value_string.lstrip('0')
if len(stripped) == 0:
return []
elif len(stripped) == 1:
if use_zero and len(stripped) < len(value_string):
return [DIGITS['0'], DIGITS[stripped]]
else:
return [DIGITS[stripped]]
else:
largest_unit = next(
power for power in reversed(UNITS.keys()) if power < len(stripped))
first_part = value_string[:-largest_unit]
second_part = value_string[-largest_unit:]
return _get_value(first_part) + [UNITS[largest_unit]] + _get_value(
second_part)
def verbalize_cardinal(value_string: str) -> str:
if not value_string:
return ''
# 000 -> '零' , 0 -> '零'
value_string = value_string.lstrip('0')
if len(value_string) == 0:
return DIGITS['0']
result_symbols = _get_value(value_string)
# verbalized number starting with '一十*' is abbreviated as `十*`
if len(result_symbols) >= 2 and result_symbols[0] == DIGITS[
'1'] and result_symbols[1] == UNITS[1]:
result_symbols = result_symbols[1:]
return ''.join(result_symbols)
def verbalize_digit(value_string: str, alt_one=False) -> str:
result_symbols = [DIGITS[digit] for digit in value_string]
result = ''.join(result_symbols)
if alt_one:
result = result.replace("一", "幺")
return result
def num2str(value_string: str) -> str:
integer_decimal = value_string.split('.')
if len(integer_decimal) == 1:
integer = integer_decimal[0]
decimal = ''
elif len(integer_decimal) == 2:
integer, decimal = integer_decimal
else:
raise ValueError(
f"The value string: '${value_string}' has more than one point in it."
)
result = verbalize_cardinal(integer)
decimal = decimal.rstrip('0')
if decimal:
# '.22' is verbalized as '零点二二'
# '3.20' is verbalized as '三点二
result = result if result else "零"
result += '点' + verbalize_digit(decimal)
return result
|