| New file |
| | |
| | | #!/usr/bin/env python3 |
| | | # coding=utf-8 |
| | | |
| | | # Authors: |
| | | # 2019.5 Zhiyang Zhou (https://github.com/Joee1995/chn_text_norm.git) |
| | | # 2019.9 Jiayu DU |
| | | # |
| | | # requirements: |
| | | # - python 3.X |
| | | # notes: python 2.X WILL fail or produce misleading results |
| | | |
| | | import sys, os, argparse, codecs, string, re |
| | | |
| | | # ================================================================================ # |
| | | # basic constant |
| | | # ================================================================================ # |
| | | CHINESE_DIGIS = u'零一二三四五六七八九' |
| | | BIG_CHINESE_DIGIS_SIMPLIFIED = u'零壹贰叁肆伍陆柒捌玖' |
| | | BIG_CHINESE_DIGIS_TRADITIONAL = u'零壹貳參肆伍陸柒捌玖' |
| | | SMALLER_BIG_CHINESE_UNITS_SIMPLIFIED = u'十百千万' |
| | | SMALLER_BIG_CHINESE_UNITS_TRADITIONAL = u'拾佰仟萬' |
| | | LARGER_CHINESE_NUMERING_UNITS_SIMPLIFIED = u'亿兆京垓秭穰沟涧正载' |
| | | LARGER_CHINESE_NUMERING_UNITS_TRADITIONAL = u'億兆京垓秭穰溝澗正載' |
| | | SMALLER_CHINESE_NUMERING_UNITS_SIMPLIFIED = u'十百千万' |
| | | SMALLER_CHINESE_NUMERING_UNITS_TRADITIONAL = u'拾佰仟萬' |
| | | |
| | | ZERO_ALT = u'〇' |
| | | ONE_ALT = u'幺' |
| | | TWO_ALTS = [u'两', u'兩'] |
| | | |
| | | POSITIVE = [u'正', u'正'] |
| | | NEGATIVE = [u'负', u'負'] |
| | | POINT = [u'点', u'點'] |
| | | # PLUS = [u'加', u'加'] |
| | | # SIL = [u'杠', u'槓'] |
| | | |
| | | FILLER_CHARS = ['呃', '啊'] |
| | | ER_WHITELIST = '(儿女|儿子|儿孙|女儿|儿媳|妻儿|' \ |
| | | '胎儿|婴儿|新生儿|婴幼儿|幼儿|少儿|小儿|儿歌|儿童|儿科|托儿所|孤儿|' \ |
| | | '儿戏|儿化|台儿庄|鹿儿岛|正儿八经|吊儿郎当|生儿育女|托儿带女|养儿防老|痴儿呆女|' \ |
| | | '佳儿佳妇|儿怜兽扰|儿无常父|儿不嫌母丑|儿行千里母担忧|儿大不由爷|苏乞儿)' |
| | | |
| | | # 中文数字系统类型 |
| | | NUMBERING_TYPES = ['low', 'mid', 'high'] |
| | | |
| | | CURRENCY_NAMES = '(人民币|美元|日元|英镑|欧元|马克|法郎|加拿大元|澳元|港币|先令|芬兰马克|爱尔兰镑|' \ |
| | | '里拉|荷兰盾|埃斯库多|比塞塔|印尼盾|林吉特|新西兰元|比索|卢布|新加坡元|韩元|泰铢)' |
| | | CURRENCY_UNITS = '((亿|千万|百万|万|千|百)|(亿|千万|百万|万|千|百|)元|(亿|千万|百万|万|千|百|)块|角|毛|分)' |
| | | COM_QUANTIFIERS = '(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|分|寸|尺|丈|里|寻|常|铺|程|(千|分|厘|毫|微)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|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)' |
| | | |
| | | # punctuation information are based on Zhon project (https://github.com/tsroten/zhon.git) |
| | | CHINESE_PUNC_STOP = '!?。。' |
| | | CHINESE_PUNC_NON_STOP = '"#$%&'()*+,-/:;<=>@[\]^_`{|}~⦅⦆「」、、〃》「」『』【】〔〕〖〗〘〙〚〛〜〝〞〟〰〾〿–—‘’‛“”„‟…‧﹏' |
| | | CHINESE_PUNC_LIST = CHINESE_PUNC_STOP + CHINESE_PUNC_NON_STOP |
| | | |
| | | # ================================================================================ # |
| | | # basic class |
| | | # ================================================================================ # |
| | | class ChineseChar(object): |
| | | """ |
| | | 中文字符 |
| | | 每个字符对应简体和繁体, |
| | | e.g. 简体 = '负', 繁体 = '負' |
| | | 转换时可转换为简体或繁体 |
| | | """ |
| | | |
| | | def __init__(self, simplified, traditional): |
| | | self.simplified = simplified |
| | | self.traditional = traditional |
| | | #self.__repr__ = self.__str__ |
| | | |
| | | def __str__(self): |
| | | return self.simplified or self.traditional or None |
| | | |
| | | def __repr__(self): |
| | | return self.__str__() |
| | | |
| | | |
| | | class ChineseNumberUnit(ChineseChar): |
| | | """ |
| | | 中文数字/数位字符 |
| | | 每个字符除繁简体外还有一个额外的大写字符 |
| | | e.g. '陆' 和 '陸' |
| | | """ |
| | | |
| | | def __init__(self, power, simplified, traditional, big_s, big_t): |
| | | super(ChineseNumberUnit, self).__init__(simplified, traditional) |
| | | self.power = power |
| | | self.big_s = big_s |
| | | self.big_t = big_t |
| | | |
| | | def __str__(self): |
| | | return '10^{}'.format(self.power) |
| | | |
| | | @classmethod |
| | | def create(cls, index, value, numbering_type=NUMBERING_TYPES[1], small_unit=False): |
| | | |
| | | if small_unit: |
| | | return ChineseNumberUnit(power=index + 1, |
| | | simplified=value[0], traditional=value[1], big_s=value[1], big_t=value[1]) |
| | | elif numbering_type == NUMBERING_TYPES[0]: |
| | | return ChineseNumberUnit(power=index + 8, |
| | | simplified=value[0], traditional=value[1], big_s=value[0], big_t=value[1]) |
| | | elif numbering_type == NUMBERING_TYPES[1]: |
| | | return ChineseNumberUnit(power=(index + 2) * 4, |
| | | simplified=value[0], traditional=value[1], big_s=value[0], big_t=value[1]) |
| | | elif numbering_type == NUMBERING_TYPES[2]: |
| | | return ChineseNumberUnit(power=pow(2, index + 3), |
| | | simplified=value[0], traditional=value[1], big_s=value[0], big_t=value[1]) |
| | | else: |
| | | raise ValueError( |
| | | 'Counting type should be in {0} ({1} provided).'.format(NUMBERING_TYPES, numbering_type)) |
| | | |
| | | |
| | | class ChineseNumberDigit(ChineseChar): |
| | | """ |
| | | 中文数字字符 |
| | | """ |
| | | |
| | | def __init__(self, value, simplified, traditional, big_s, big_t, alt_s=None, alt_t=None): |
| | | super(ChineseNumberDigit, self).__init__(simplified, traditional) |
| | | self.value = value |
| | | self.big_s = big_s |
| | | self.big_t = big_t |
| | | self.alt_s = alt_s |
| | | self.alt_t = alt_t |
| | | |
| | | def __str__(self): |
| | | return str(self.value) |
| | | |
| | | @classmethod |
| | | def create(cls, i, v): |
| | | return ChineseNumberDigit(i, v[0], v[1], v[2], v[3]) |
| | | |
| | | |
| | | class ChineseMath(ChineseChar): |
| | | """ |
| | | 中文数位字符 |
| | | """ |
| | | |
| | | def __init__(self, simplified, traditional, symbol, expression=None): |
| | | super(ChineseMath, self).__init__(simplified, traditional) |
| | | self.symbol = symbol |
| | | self.expression = expression |
| | | self.big_s = simplified |
| | | self.big_t = traditional |
| | | |
| | | |
| | | CC, CNU, CND, CM = ChineseChar, ChineseNumberUnit, ChineseNumberDigit, ChineseMath |
| | | |
| | | |
| | | class NumberSystem(object): |
| | | """ |
| | | 中文数字系统 |
| | | """ |
| | | pass |
| | | |
| | | |
| | | class MathSymbol(object): |
| | | """ |
| | | 用于中文数字系统的数学符号 (繁/简体), e.g. |
| | | positive = ['正', '正'] |
| | | negative = ['负', '負'] |
| | | point = ['点', '點'] |
| | | """ |
| | | |
| | | def __init__(self, positive, negative, point): |
| | | self.positive = positive |
| | | self.negative = negative |
| | | self.point = point |
| | | |
| | | def __iter__(self): |
| | | for v in self.__dict__.values(): |
| | | yield v |
| | | |
| | | |
| | | # class OtherSymbol(object): |
| | | # """ |
| | | # 其他符号 |
| | | # """ |
| | | # |
| | | # def __init__(self, sil): |
| | | # self.sil = sil |
| | | # |
| | | # def __iter__(self): |
| | | # for v in self.__dict__.values(): |
| | | # yield v |
| | | |
| | | |
| | | # ================================================================================ # |
| | | # basic utils |
| | | # ================================================================================ # |
| | | def create_system(numbering_type=NUMBERING_TYPES[1]): |
| | | """ |
| | | 根据数字系统类型返回创建相应的数字系统,默认为 mid |
| | | NUMBERING_TYPES = ['low', 'mid', 'high']: 中文数字系统类型 |
| | | low: '兆' = '亿' * '十' = $10^{9}$, '京' = '兆' * '十', etc. |
| | | mid: '兆' = '亿' * '万' = $10^{12}$, '京' = '兆' * '万', etc. |
| | | high: '兆' = '亿' * '亿' = $10^{16}$, '京' = '兆' * '兆', etc. |
| | | 返回对应的数字系统 |
| | | """ |
| | | |
| | | # chinese number units of '亿' and larger |
| | | all_larger_units = zip( |
| | | LARGER_CHINESE_NUMERING_UNITS_SIMPLIFIED, LARGER_CHINESE_NUMERING_UNITS_TRADITIONAL) |
| | | larger_units = [CNU.create(i, v, numbering_type, False) |
| | | for i, v in enumerate(all_larger_units)] |
| | | # chinese number units of '十, 百, 千, 万' |
| | | all_smaller_units = zip( |
| | | SMALLER_CHINESE_NUMERING_UNITS_SIMPLIFIED, SMALLER_CHINESE_NUMERING_UNITS_TRADITIONAL) |
| | | smaller_units = [CNU.create(i, v, small_unit=True) |
| | | for i, v in enumerate(all_smaller_units)] |
| | | # digis |
| | | chinese_digis = zip(CHINESE_DIGIS, CHINESE_DIGIS, |
| | | BIG_CHINESE_DIGIS_SIMPLIFIED, BIG_CHINESE_DIGIS_TRADITIONAL) |
| | | digits = [CND.create(i, v) for i, v in enumerate(chinese_digis)] |
| | | digits[0].alt_s, digits[0].alt_t = ZERO_ALT, ZERO_ALT |
| | | digits[1].alt_s, digits[1].alt_t = ONE_ALT, ONE_ALT |
| | | digits[2].alt_s, digits[2].alt_t = TWO_ALTS[0], TWO_ALTS[1] |
| | | |
| | | # symbols |
| | | positive_cn = CM(POSITIVE[0], POSITIVE[1], '+', lambda x: x) |
| | | negative_cn = CM(NEGATIVE[0], NEGATIVE[1], '-', lambda x: -x) |
| | | point_cn = CM(POINT[0], POINT[1], '.', lambda x, |
| | | y: float(str(x) + '.' + str(y))) |
| | | # sil_cn = CM(SIL[0], SIL[1], '-', lambda x, y: float(str(x) + '-' + str(y))) |
| | | system = NumberSystem() |
| | | system.units = smaller_units + larger_units |
| | | system.digits = digits |
| | | system.math = MathSymbol(positive_cn, negative_cn, point_cn) |
| | | # system.symbols = OtherSymbol(sil_cn) |
| | | return system |
| | | |
| | | |
| | | def chn2num(chinese_string, numbering_type=NUMBERING_TYPES[1]): |
| | | |
| | | def get_symbol(char, system): |
| | | for u in system.units: |
| | | if char in [u.traditional, u.simplified, u.big_s, u.big_t]: |
| | | return u |
| | | for d in system.digits: |
| | | if char in [d.traditional, d.simplified, d.big_s, d.big_t, d.alt_s, d.alt_t]: |
| | | return d |
| | | for m in system.math: |
| | | if char in [m.traditional, m.simplified]: |
| | | return m |
| | | |
| | | def string2symbols(chinese_string, system): |
| | | int_string, dec_string = chinese_string, '' |
| | | for p in [system.math.point.simplified, system.math.point.traditional]: |
| | | if p in chinese_string: |
| | | int_string, dec_string = chinese_string.split(p) |
| | | break |
| | | return [get_symbol(c, system) for c in int_string], \ |
| | | [get_symbol(c, system) for c in dec_string] |
| | | |
| | | def correct_symbols(integer_symbols, system): |
| | | """ |
| | | 一百八 to 一百八十 |
| | | 一亿一千三百万 to 一亿 一千万 三百万 |
| | | """ |
| | | |
| | | if integer_symbols and isinstance(integer_symbols[0], CNU): |
| | | if integer_symbols[0].power == 1: |
| | | integer_symbols = [system.digits[1]] + integer_symbols |
| | | |
| | | if len(integer_symbols) > 1: |
| | | if isinstance(integer_symbols[-1], CND) and isinstance(integer_symbols[-2], CNU): |
| | | integer_symbols.append( |
| | | CNU(integer_symbols[-2].power - 1, None, None, None, None)) |
| | | |
| | | result = [] |
| | | unit_count = 0 |
| | | for s in integer_symbols: |
| | | if isinstance(s, CND): |
| | | result.append(s) |
| | | unit_count = 0 |
| | | elif isinstance(s, CNU): |
| | | current_unit = CNU(s.power, None, None, None, None) |
| | | unit_count += 1 |
| | | |
| | | if unit_count == 1: |
| | | result.append(current_unit) |
| | | elif unit_count > 1: |
| | | for i in range(len(result)): |
| | | if isinstance(result[-i - 1], CNU) and result[-i - 1].power < current_unit.power: |
| | | result[-i - 1] = CNU(result[-i - 1].power + |
| | | current_unit.power, None, None, None, None) |
| | | return result |
| | | |
| | | def compute_value(integer_symbols): |
| | | """ |
| | | Compute the value. |
| | | When current unit is larger than previous unit, current unit * all previous units will be used as all previous units. |
| | | e.g. '两千万' = 2000 * 10000 not 2000 + 10000 |
| | | """ |
| | | value = [0] |
| | | last_power = 0 |
| | | for s in integer_symbols: |
| | | if isinstance(s, CND): |
| | | value[-1] = s.value |
| | | elif isinstance(s, CNU): |
| | | value[-1] *= pow(10, s.power) |
| | | if s.power > last_power: |
| | | value[:-1] = list(map(lambda v: v * |
| | | pow(10, s.power), value[:-1])) |
| | | last_power = s.power |
| | | value.append(0) |
| | | return sum(value) |
| | | |
| | | system = create_system(numbering_type) |
| | | int_part, dec_part = string2symbols(chinese_string, system) |
| | | int_part = correct_symbols(int_part, system) |
| | | int_str = str(compute_value(int_part)) |
| | | dec_str = ''.join([str(d.value) for d in dec_part]) |
| | | if dec_part: |
| | | return '{0}.{1}'.format(int_str, dec_str) |
| | | else: |
| | | return int_str |
| | | |
| | | |
| | | def num2chn(number_string, numbering_type=NUMBERING_TYPES[1], big=False, |
| | | traditional=False, alt_zero=False, alt_one=False, alt_two=True, |
| | | use_zeros=True, use_units=True): |
| | | |
| | | def get_value(value_string, use_zeros=True): |
| | | |
| | | striped_string = value_string.lstrip('0') |
| | | |
| | | # record nothing if all zeros |
| | | if not striped_string: |
| | | return [] |
| | | |
| | | # record one digits |
| | | elif len(striped_string) == 1: |
| | | if use_zeros and len(value_string) != len(striped_string): |
| | | return [system.digits[0], system.digits[int(striped_string)]] |
| | | else: |
| | | return [system.digits[int(striped_string)]] |
| | | |
| | | # recursively record multiple digits |
| | | else: |
| | | result_unit = next(u for u in reversed( |
| | | system.units) if u.power < len(striped_string)) |
| | | result_string = value_string[:-result_unit.power] |
| | | return get_value(result_string) + [result_unit] + get_value(striped_string[-result_unit.power:]) |
| | | |
| | | system = create_system(numbering_type) |
| | | |
| | | int_dec = number_string.split('.') |
| | | if len(int_dec) == 1: |
| | | int_string = int_dec[0] |
| | | dec_string = "" |
| | | elif len(int_dec) == 2: |
| | | int_string = int_dec[0] |
| | | dec_string = int_dec[1] |
| | | else: |
| | | raise ValueError( |
| | | "invalid input num string with more than one dot: {}".format(number_string)) |
| | | |
| | | if use_units and len(int_string) > 1: |
| | | result_symbols = get_value(int_string) |
| | | else: |
| | | result_symbols = [system.digits[int(c)] for c in int_string] |
| | | dec_symbols = [system.digits[int(c)] for c in dec_string] |
| | | if dec_string: |
| | | result_symbols += [system.math.point] + dec_symbols |
| | | |
| | | if alt_two: |
| | | liang = CND(2, system.digits[2].alt_s, system.digits[2].alt_t, |
| | | system.digits[2].big_s, system.digits[2].big_t) |
| | | for i, v in enumerate(result_symbols): |
| | | if isinstance(v, CND) and v.value == 2: |
| | | next_symbol = result_symbols[i + |
| | | 1] if i < len(result_symbols) - 1 else None |
| | | previous_symbol = result_symbols[i - 1] if i > 0 else None |
| | | if isinstance(next_symbol, CNU) and isinstance(previous_symbol, (CNU, type(None))): |
| | | if next_symbol.power != 1 and ((previous_symbol is None) or (previous_symbol.power != 1)): |
| | | result_symbols[i] = liang |
| | | |
| | | # if big is True, '两' will not be used and `alt_two` has no impact on output |
| | | if big: |
| | | attr_name = 'big_' |
| | | if traditional: |
| | | attr_name += 't' |
| | | else: |
| | | attr_name += 's' |
| | | else: |
| | | if traditional: |
| | | attr_name = 'traditional' |
| | | else: |
| | | attr_name = 'simplified' |
| | | |
| | | result = ''.join([getattr(s, attr_name) for s in result_symbols]) |
| | | |
| | | # if not use_zeros: |
| | | # result = result.strip(getattr(system.digits[0], attr_name)) |
| | | |
| | | if alt_zero: |
| | | result = result.replace( |
| | | getattr(system.digits[0], attr_name), system.digits[0].alt_s) |
| | | |
| | | if alt_one: |
| | | result = result.replace( |
| | | getattr(system.digits[1], attr_name), system.digits[1].alt_s) |
| | | |
| | | for i, p in enumerate(POINT): |
| | | if result.startswith(p): |
| | | return CHINESE_DIGIS[0] + result |
| | | |
| | | # ^10, 11, .., 19 |
| | | if len(result) >= 2 and result[1] in [SMALLER_CHINESE_NUMERING_UNITS_SIMPLIFIED[0], |
| | | SMALLER_CHINESE_NUMERING_UNITS_TRADITIONAL[0]] and \ |
| | | result[0] in [CHINESE_DIGIS[1], BIG_CHINESE_DIGIS_SIMPLIFIED[1], BIG_CHINESE_DIGIS_TRADITIONAL[1]]: |
| | | result = result[1:] |
| | | |
| | | return result |
| | | |
| | | |
| | | # ================================================================================ # |
| | | # different types of rewriters |
| | | # ================================================================================ # |
| | | class Cardinal: |
| | | """ |
| | | CARDINAL类 |
| | | """ |
| | | |
| | | def __init__(self, cardinal=None, chntext=None): |
| | | self.cardinal = cardinal |
| | | self.chntext = chntext |
| | | |
| | | def chntext2cardinal(self): |
| | | return chn2num(self.chntext) |
| | | |
| | | def cardinal2chntext(self): |
| | | return num2chn(self.cardinal) |
| | | |
| | | class Digit: |
| | | """ |
| | | DIGIT类 |
| | | """ |
| | | |
| | | def __init__(self, digit=None, chntext=None): |
| | | self.digit = digit |
| | | self.chntext = chntext |
| | | |
| | | # def chntext2digit(self): |
| | | # return chn2num(self.chntext) |
| | | |
| | | def digit2chntext(self): |
| | | return num2chn(self.digit, alt_two=False, use_units=False) |
| | | |
| | | |
| | | class TelePhone: |
| | | """ |
| | | TELEPHONE类 |
| | | """ |
| | | |
| | | def __init__(self, telephone=None, raw_chntext=None, chntext=None): |
| | | self.telephone = telephone |
| | | self.raw_chntext = raw_chntext |
| | | self.chntext = chntext |
| | | |
| | | # def chntext2telephone(self): |
| | | # sil_parts = self.raw_chntext.split('<SIL>') |
| | | # self.telephone = '-'.join([ |
| | | # str(chn2num(p)) for p in sil_parts |
| | | # ]) |
| | | # return self.telephone |
| | | |
| | | def telephone2chntext(self, fixed=False): |
| | | |
| | | if fixed: |
| | | sil_parts = self.telephone.split('-') |
| | | self.raw_chntext = '<SIL>'.join([ |
| | | num2chn(part, alt_two=False, use_units=False) for part in sil_parts |
| | | ]) |
| | | self.chntext = self.raw_chntext.replace('<SIL>', '') |
| | | else: |
| | | sp_parts = self.telephone.strip('+').split() |
| | | self.raw_chntext = '<SP>'.join([ |
| | | num2chn(part, alt_two=False, use_units=False) for part in sp_parts |
| | | ]) |
| | | self.chntext = self.raw_chntext.replace('<SP>', '') |
| | | return self.chntext |
| | | |
| | | |
| | | class Fraction: |
| | | """ |
| | | FRACTION类 |
| | | """ |
| | | |
| | | def __init__(self, fraction=None, chntext=None): |
| | | self.fraction = fraction |
| | | self.chntext = chntext |
| | | |
| | | def chntext2fraction(self): |
| | | denominator, numerator = self.chntext.split('分之') |
| | | return chn2num(numerator) + '/' + chn2num(denominator) |
| | | |
| | | def fraction2chntext(self): |
| | | numerator, denominator = self.fraction.split('/') |
| | | return num2chn(denominator) + '分之' + num2chn(numerator) |
| | | |
| | | |
| | | class Date: |
| | | """ |
| | | DATE类 |
| | | """ |
| | | |
| | | def __init__(self, date=None, chntext=None): |
| | | self.date = date |
| | | self.chntext = chntext |
| | | |
| | | # def chntext2date(self): |
| | | # chntext = self.chntext |
| | | # try: |
| | | # year, other = chntext.strip().split('年', maxsplit=1) |
| | | # year = Digit(chntext=year).digit2chntext() + '年' |
| | | # except ValueError: |
| | | # other = chntext |
| | | # year = '' |
| | | # if other: |
| | | # try: |
| | | # month, day = other.strip().split('月', maxsplit=1) |
| | | # month = Cardinal(chntext=month).chntext2cardinal() + '月' |
| | | # except ValueError: |
| | | # day = chntext |
| | | # month = '' |
| | | # if day: |
| | | # day = Cardinal(chntext=day[:-1]).chntext2cardinal() + day[-1] |
| | | # else: |
| | | # month = '' |
| | | # day = '' |
| | | # date = year + month + day |
| | | # self.date = date |
| | | # return self.date |
| | | |
| | | def date2chntext(self): |
| | | date = self.date |
| | | try: |
| | | year, other = date.strip().split('年', 1) |
| | | year = Digit(digit=year).digit2chntext() + '年' |
| | | except ValueError: |
| | | other = date |
| | | year = '' |
| | | if other: |
| | | try: |
| | | month, day = other.strip().split('月', 1) |
| | | month = Cardinal(cardinal=month).cardinal2chntext() + '月' |
| | | except ValueError: |
| | | day = date |
| | | month = '' |
| | | if day: |
| | | day = Cardinal(cardinal=day[:-1]).cardinal2chntext() + day[-1] |
| | | else: |
| | | month = '' |
| | | day = '' |
| | | chntext = year + month + day |
| | | self.chntext = chntext |
| | | return self.chntext |
| | | |
| | | |
| | | class Money: |
| | | """ |
| | | MONEY类 |
| | | """ |
| | | |
| | | def __init__(self, money=None, chntext=None): |
| | | self.money = money |
| | | self.chntext = chntext |
| | | |
| | | # def chntext2money(self): |
| | | # return self.money |
| | | |
| | | def money2chntext(self): |
| | | money = self.money |
| | | pattern = re.compile(r'(\d+(\.\d+)?)') |
| | | matchers = pattern.findall(money) |
| | | if matchers: |
| | | for matcher in matchers: |
| | | money = money.replace(matcher[0], Cardinal(cardinal=matcher[0]).cardinal2chntext()) |
| | | self.chntext = money |
| | | return self.chntext |
| | | |
| | | |
| | | class Percentage: |
| | | """ |
| | | PERCENTAGE类 |
| | | """ |
| | | |
| | | def __init__(self, percentage=None, chntext=None): |
| | | self.percentage = percentage |
| | | self.chntext = chntext |
| | | |
| | | def chntext2percentage(self): |
| | | return chn2num(self.chntext.strip().strip('百分之')) + '%' |
| | | |
| | | def percentage2chntext(self): |
| | | return '百分之' + num2chn(self.percentage.strip().strip('%')) |
| | | |
| | | |
| | | def remove_erhua(text, er_whitelist): |
| | | """ |
| | | 去除儿化音词中的儿: |
| | | 他女儿在那边儿 -> 他女儿在那边 |
| | | """ |
| | | |
| | | er_pattern = re.compile(er_whitelist) |
| | | new_str='' |
| | | while re.search('儿',text): |
| | | a = re.search('儿',text).span() |
| | | remove_er_flag = 0 |
| | | |
| | | if er_pattern.search(text): |
| | | b = er_pattern.search(text).span() |
| | | if b[0] <= a[0]: |
| | | remove_er_flag = 1 |
| | | |
| | | if remove_er_flag == 0 : |
| | | new_str = new_str + text[0:a[0]] |
| | | text = text[a[1]:] |
| | | else: |
| | | new_str = new_str + text[0:b[1]] |
| | | text = text[b[1]:] |
| | | |
| | | text = new_str + text |
| | | return text |
| | | |
| | | # ================================================================================ # |
| | | # NSW Normalizer |
| | | # ================================================================================ # |
| | | class NSWNormalizer: |
| | | def __init__(self, raw_text): |
| | | self.raw_text = '^' + raw_text + '$' |
| | | self.norm_text = '' |
| | | |
| | | def _particular(self): |
| | | text = self.norm_text |
| | | pattern = re.compile(r"(([a-zA-Z]+)二([a-zA-Z]+))") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | # print('particular') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], matcher[1]+'2'+matcher[2], 1) |
| | | self.norm_text = text |
| | | return self.norm_text |
| | | |
| | | def normalize(self): |
| | | text = self.raw_text |
| | | |
| | | # 规范化日期 |
| | | pattern = re.compile(r"\D+((([089]\d|(19|20)\d{2})年)?(\d{1,2}月(\d{1,2}[日号])?)?)") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('date') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], Date(date=matcher[0]).date2chntext(), 1) |
| | | |
| | | # 规范化金钱 |
| | | pattern = re.compile(r"\D+((\d+(\.\d+)?)[多余几]?" + CURRENCY_UNITS + r"(\d" + CURRENCY_UNITS + r"?)?)") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('money') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], Money(money=matcher[0]).money2chntext(), 1) |
| | | |
| | | # 规范化固话/手机号码 |
| | | # 手机 |
| | | # http://www.jihaoba.com/news/show/13680 |
| | | # 移动:139、138、137、136、135、134、159、158、157、150、151、152、188、187、182、183、184、178、198 |
| | | # 联通:130、131、132、156、155、186、185、176 |
| | | # 电信:133、153、189、180、181、177 |
| | | pattern = re.compile(r"\D((\+?86 ?)?1([38]\d|5[0-35-9]|7[678]|9[89])\d{8})\D") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('telephone') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], TelePhone(telephone=matcher[0]).telephone2chntext(), 1) |
| | | # 固话 |
| | | pattern = re.compile(r"\D((0(10|2[1-3]|[3-9]\d{2})-?)?[1-9]\d{6,7})\D") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | # print('fixed telephone') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], TelePhone(telephone=matcher[0]).telephone2chntext(fixed=True), 1) |
| | | |
| | | # 规范化分数 |
| | | pattern = re.compile(r"(\d+/\d+)") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('fraction') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher, Fraction(fraction=matcher).fraction2chntext(), 1) |
| | | |
| | | # 规范化百分数 |
| | | text = text.replace('%', '%') |
| | | pattern = re.compile(r"(\d+(\.\d+)?%)") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('percentage') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], Percentage(percentage=matcher[0]).percentage2chntext(), 1) |
| | | |
| | | # 规范化纯数+量词 |
| | | pattern = re.compile(r"(\d+(\.\d+)?)[多余几]?" + COM_QUANTIFIERS) |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('cardinal+quantifier') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], Cardinal(cardinal=matcher[0]).cardinal2chntext(), 1) |
| | | |
| | | # 规范化数字编号 |
| | | pattern = re.compile(r"(\d{4,32})") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('digit') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher, Digit(digit=matcher).digit2chntext(), 1) |
| | | |
| | | # 规范化纯数 |
| | | pattern = re.compile(r"(\d+(\.\d+)?)") |
| | | matchers = pattern.findall(text) |
| | | if matchers: |
| | | #print('cardinal') |
| | | for matcher in matchers: |
| | | text = text.replace(matcher[0], Cardinal(cardinal=matcher[0]).cardinal2chntext(), 1) |
| | | |
| | | self.norm_text = text |
| | | self._particular() |
| | | |
| | | return self.norm_text.lstrip('^').rstrip('$') |
| | | |
| | | |
| | | def nsw_test_case(raw_text): |
| | | print('I:' + raw_text) |
| | | print('O:' + NSWNormalizer(raw_text).normalize()) |
| | | print('') |
| | | |
| | | |
| | | def nsw_test(): |
| | | nsw_test_case('固话:0595-23865596或23880880。') |
| | | nsw_test_case('固话:0595-23865596或23880880。') |
| | | nsw_test_case('手机:+86 19859213959或15659451527。') |
| | | nsw_test_case('分数:32477/76391。') |
| | | nsw_test_case('百分数:80.03%。') |
| | | nsw_test_case('编号:31520181154418。') |
| | | nsw_test_case('纯数:2983.07克或12345.60米。') |
| | | nsw_test_case('日期:1999年2月20日或09年3月15号。') |
| | | nsw_test_case('金钱:12块5,34.5元,20.1万') |
| | | nsw_test_case('特殊:O2O或B2C。') |
| | | nsw_test_case('3456万吨') |
| | | nsw_test_case('2938个') |
| | | nsw_test_case('938') |
| | | nsw_test_case('今天吃了115个小笼包231个馒头') |
| | | nsw_test_case('有62%的概率') |
| | | |
| | | |
| | | if __name__ == '__main__': |
| | | #nsw_test() |
| | | |
| | | p = argparse.ArgumentParser() |
| | | p.add_argument('ifile', help='input filename, assume utf-8 encoding') |
| | | p.add_argument('ofile', help='output filename') |
| | | p.add_argument('--to_upper', action='store_true', help='convert to upper case') |
| | | p.add_argument('--to_lower', action='store_true', help='convert to lower case') |
| | | p.add_argument('--has_key', action='store_true', help="input text has Kaldi's key as first field.") |
| | | p.add_argument('--remove_fillers', type=bool, default=True, help='remove filler chars such as "呃, 啊"') |
| | | p.add_argument('--remove_erhua', type=bool, default=True, help='remove erhua chars such as "这儿"') |
| | | p.add_argument('--log_interval', type=int, default=10000, help='log interval in number of processed lines') |
| | | args = p.parse_args() |
| | | |
| | | ifile = codecs.open(args.ifile, 'r', 'utf8') |
| | | ofile = codecs.open(args.ofile, 'w+', 'utf8') |
| | | |
| | | n = 0 |
| | | for l in ifile: |
| | | key = '' |
| | | text = '' |
| | | if args.has_key: |
| | | cols = l.split(maxsplit=1) |
| | | key = cols[0] |
| | | if len(cols) == 2: |
| | | text = cols[1].strip() |
| | | else: |
| | | text = '' |
| | | else: |
| | | text = l.strip() |
| | | |
| | | # cases |
| | | if args.to_upper and args.to_lower: |
| | | sys.stderr.write('text norm: to_upper OR to_lower?') |
| | | exit(1) |
| | | if args.to_upper: |
| | | text = text.upper() |
| | | if args.to_lower: |
| | | text = text.lower() |
| | | |
| | | # Filler chars removal |
| | | if args.remove_fillers: |
| | | for ch in FILLER_CHARS: |
| | | text = text.replace(ch, '') |
| | | |
| | | if args.remove_erhua: |
| | | text = remove_erhua(text, ER_WHITELIST) |
| | | |
| | | # NSW(Non-Standard-Word) normalization |
| | | text = NSWNormalizer(text).normalize() |
| | | |
| | | # Punctuations removal |
| | | old_chars = CHINESE_PUNC_LIST + string.punctuation # includes all CN and EN punctuations |
| | | new_chars = ' ' * len(old_chars) |
| | | del_chars = '' |
| | | text = text.translate(str.maketrans(old_chars, new_chars, del_chars)) |
| | | |
| | | # |
| | | if args.has_key: |
| | | ofile.write(key + '\t' + text + '\n') |
| | | else: |
| | | ofile.write(text + '\n') |
| | | |
| | | n += 1 |
| | | if n % args.log_interval == 0: |
| | | sys.stderr.write("text norm: {} lines done.\n".format(n)) |
| | | |
| | | sys.stderr.write("text norm: {} lines done in total.\n".format(n)) |
| | | |
| | | ifile.close() |
| | | ofile.close() |