590 lines
22 KiB
Python
590 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2003, Taro Ogawa. All Rights Reserved.
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# Copyright (c) 2013, Savoir-faire Linux inc. All Rights Reserved.
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA
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from __future__ import division, print_function, unicode_literals
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from .base import Num2Word_Base
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from .compat import strtype, to_s
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from .currency import parse_currency_parts, prefix_currency
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def select_text(text, reading=False, prefer=None):
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"""Select the correct text from the Japanese number, reading and
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alternatives"""
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# select kanji number or kana reading
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if reading:
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text = text[1]
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else:
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text = text[0]
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# select the preferred one or the first one from multiple alternatives
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if not isinstance(text, strtype):
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common = set(text) & set(prefer or set())
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if len(common) == 1:
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text = common.pop()
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else:
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text = text[0]
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return text
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def rendaku_merge_pairs(lpair, rpair):
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"""Merge lpair < rpair while applying semi-irregular rendaku rules"""
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ltext, lnum = lpair
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rtext, rnum = rpair
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if lnum > rnum:
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raise ValueError
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if rpair == ("ひゃく", 100):
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if lpair == ("さん", 3):
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rtext = "びゃく"
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elif lpair == ("ろく", 6):
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ltext = "ろっ"
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rtext = "ぴゃく"
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elif lpair == ("はち", 8):
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ltext = "はっ"
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rtext = "ぴゃく"
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elif rpair == ("せん", 1000):
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if lpair == ("さん", 3):
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rtext = "ぜん"
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elif lpair == ("はち", 8):
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ltext = "はっ"
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elif rpair == ("ちょう", 10**12):
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if lpair == ("いち", 1):
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ltext = "いっ"
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elif lpair == ("はち", 8):
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ltext = "はっ"
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elif lpair == ("じゅう", 10):
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ltext = "じゅっ"
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elif rpair == ("けい", 10**16):
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if lpair == ("いち", 1):
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ltext = "いっ"
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elif lpair == ("ろく", 6):
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ltext = "ろっ"
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elif lpair == ("はち", 8):
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ltext = "はっ"
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elif lpair == ("じゅう", 10):
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ltext = "じゅっ"
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elif lpair == ("ひゃく", 100):
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ltext = "ひゃっ"
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return ("%s%s" % (ltext, rtext), lnum * rnum)
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# Source: https://www.sljfaq.org/afaq/era-list.html
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# if there are multiple eras for the same year, use the last one
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ERA_START = [
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(645, ("大化", "たいか")),
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(650, ("白雉", "はくち")),
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(686, ("朱鳥", "しゅちょう")),
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(701, ("大宝", "たいほう")),
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(704, ("慶雲", "けいうん")),
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(708, ("和銅", "わどう")),
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(715, ("霊亀", "れいき")),
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(717, ("養老", "ようろう")),
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(724, ("神亀", "じんき")),
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(729, ("天平", "てんぴょう")),
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(749, ("天平感宝", "てんぴょうかんぽう")),
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(749, ("天平勝宝", "てんぴょうしょうほう")),
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(757, ("天平宝字", "てんぴょうじょうじ")),
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(765, ("天平神護", "てんぴょうじんご")),
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(767, ("神護景雲", "じんごけいうん")),
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(770, ("宝亀", "ほうき")),
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(781, ("天応", "てんおう")),
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(782, ("延暦", "えんりゃく")),
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(806, ("大同", "だいどう")),
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(810, ("弘仁", "こうにん")),
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(823, ("天長", "てんちょう")),
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(834, ("承和", "じょうわ")),
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(848, ("嘉祥", "かしょう")),
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(851, ("仁寿", "にんじゅ")),
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(855, ("斉衡", "さいこう")),
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(857, ("天安", "てんあん")),
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(859, ("貞観", "じょうがん")),
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(877, ("元慶", "がんぎょう")),
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(885, ("仁和", "にんな")),
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(889, ("寛平", "かんぴょう")),
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(898, ("昌泰", "しょうたい")),
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(901, ("延喜", "えんぎ")),
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(923, ("延長", "えんちょう")),
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(931, ("承平", "じょうへい")),
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(938, ("天慶", "てんぎょう")),
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(947, ("天暦", "てんりゃく")),
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(957, ("天徳", "てんとく")),
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(961, ("応和", "おうわ")),
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(964, ("康保", "こうほう")),
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(968, ("安和", "あんな")),
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(970, ("天禄", "てんろく")),
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(974, ("天延", "てんえん")),
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(976, ("貞元", "じょうげん")),
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(979, ("天元", "てんげん")),
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(983, ("永観", "えいかん")),
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(985, ("寛和", "かんな")),
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(987, ("永延", "えいえん")),
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(989, ("永祚", "えいそ")),
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(990, ("正暦", "しょうりゃく")),
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(995, ("長徳", "ちょうとく")),
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(999, ("長保", "ちょうほう")),
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(1004, ("寛弘", "かんこう")),
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(1013, ("長和", "ちょうわ")),
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(1017, ("寛仁", "かんにん")),
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(1021, ("治安", "じあん")),
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(1024, ("万寿", "まんじゅ")),
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(1028, ("長元", "ちょうげん")),
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(1037, ("長暦", "ちょうりゃく")),
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(1040, ("長久", "ちょうきゅう")),
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(1045, ("寛徳", "かんとく")),
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(1046, ("永承", "えいしょう")),
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(1053, ("天喜", "てんぎ")),
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(1058, ("康平", "こうへい")),
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(1065, ("治暦", "じりゃく")),
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(1069, ("延久", "えんきゅう")),
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(1074, ("承保", "じょうほう")),
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(1078, ("承暦", "じょうりゃく")),
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(1081, ("永保", "えいほう")),
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(1084, ("応徳", "おうとく")),
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(1087, ("寛治", "かんじ")),
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(1095, ("嘉保", "かほう")),
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(1097, ("永長", "えいちょう")),
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(1098, ("承徳", "じょうとく")),
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(1099, ("康和", "こうわ")),
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(1104, ("長治", "ちょうじ")),
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(1106, ("嘉承", "かじょう")),
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(1108, ("天仁", "てんにん")),
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(1110, ("天永", "てんねい")),
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(1113, ("永久", "えいきゅう")),
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(1118, ("元永", "げんえい")),
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(1120, ("保安", "ほうあん")),
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(1124, ("天治", "てんじ")),
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(1126, ("大治", "だいじ")),
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(1131, ("天承", "てんしょう")),
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(1132, ("長承", "ちょうしょう")),
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(1135, ("保延", "ほうえん")),
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(1141, ("永治", "えいじ")),
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(1142, ("康治", "こうじ")),
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(1144, ("天養", "てんよう")),
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(1145, ("久安", "きゅうあん")),
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(1151, ("仁平", "にんぺい")),
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(1154, ("久寿", "きゅうじゅ")),
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(1156, ("保元", "ほうげん")),
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(1159, ("平治", "へいじ")),
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(1160, ("永暦", "えいりゃく")),
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(1161, ("応保", "おうほう")),
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(1163, ("長寛", "ちょうかん")),
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(1165, ("永万", "えいまん")),
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(1166, ("仁安", "にんあん")),
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(1169, ("嘉応", "かおう")),
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(1171, ("承安", "しょうあん")),
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(1175, ("安元", "あんげん")),
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(1177, ("治承", "じしょう")),
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(1181, ("養和", "ようわ")),
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(1182, ("寿永", "じゅえい")),
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(1184, ("元暦", "げんりゃく")),
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(1185, ("文治", "ぶんじ")),
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(1190, ("建久", "けんきゅう")),
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(1199, ("正治", "しょうじ")),
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(1201, ("建仁", "けんにん")),
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(1204, ("元久", "げんきゅう")),
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(1206, ("建永", "けんえい")),
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(1207, ("承元", "じょうげん")),
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(1211, ("建暦", "けんりゃく")),
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(1214, ("建保", "けんぽう")),
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(1219, ("承久", "じょうきゅう")),
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(1222, ("貞応", "じょうおう")),
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(1225, ("元仁", "げんにん")),
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(1225, ("嘉禄", "かろく")),
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(1228, ("安貞", "あんてい")),
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(1229, ("寛喜", "かんき")),
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(1232, ("貞永", "じょうえい")),
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(1233, ("天福", "てんぷく")),
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(1235, ("文暦", "ぶんりゃく")),
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(1235, ("嘉禎", "かてい")),
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(1239, ("暦仁", "りゃくにん")),
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(1239, ("延応", "えんおう")),
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(1240, ("仁治", "にんじ")),
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(1243, ("寛元", "かんげん")),
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(1247, ("宝治", "ほうじ")),
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(1249, ("建長", "けんちょう")),
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(1256, ("康元", "こうげん")),
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(1257, ("正嘉", "しょうか")),
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(1259, ("正元", "しょうげん")),
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(1260, ("文応", "ぶんおう")),
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(1261, ("弘長", "こうちょう")),
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(1264, ("文永", "ぶんえい")),
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(1275, ("健治", "けんじ")),
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(1278, ("弘安", "こうあん")),
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(1288, ("正応", "しょうおう")),
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(1293, ("永仁", "えいにん")),
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(1299, ("正安", "しょうあん")),
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(1303, ("乾元", "けんげん")),
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(1303, ("嘉元", "かげん")),
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(1307, ("徳治", "とくじ")),
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(1308, ("延慶", "えんきょう")),
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(1311, ("応長", "おうちょう")),
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(1312, ("正和", "しょうわ")),
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(1317, ("文保", "ぶんぽう")),
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(1319, ("元応", "げんおう")),
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(1321, ("元亨", "げんこう")),
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(1325, ("正中", "しょうちゅ")),
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(1326, ("嘉暦", "かりゃく")),
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(1329, ("元徳", "げんとく")),
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(1331, ("元弘", "げんこう")),
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(1332, ("正慶", "しょうけい")),
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(1334, ("建武", "けんむ")),
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(1336, ("延元", "えいげん")),
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(1338, ("暦応", "りゃくおう")),
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(1340, ("興国", "こうこく")),
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(1342, ("康永", "こうえい")),
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(1345, ("貞和", "じょうわ")),
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(1347, ("正平", "しょうへい")),
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(1350, ("観応", "かんおう")),
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(1352, ("文和", "ぶんな")),
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(1356, ("延文", "えんぶん")),
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(1361, ("康安", "こうあん")),
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(1362, ("貞治", "じょうじ")),
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(1368, ("応安", "おうあん")),
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(1370, ("建徳", "けんとく")),
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(1372, ("文中", "ぶんちゅう")),
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(1375, ("永和", "えいわ")),
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(1375, ("天授", "てんじゅ")),
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(1379, ("康暦", "こうりゃく")),
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(1381, ("永徳", "えいとく")),
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(1381, ("弘和", "こうわ")),
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(1384, ("至徳", "しとく")),
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(1384, ("元中", "げんちゅう")),
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(1387, ("嘉慶", "かけい")),
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(1389, ("康応", "こうおう")),
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(1390, ("明徳", "めいとく")),
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(1394, ("応永", "おうえい")),
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(1428, ("正長", "しょうちょう")),
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(1429, ("永享", "えいきょう")),
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(1441, ("嘉吉", "かきつ")),
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(1444, ("文安", "ぶんあん")),
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(1449, ("宝徳", "ほうとく")),
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(1452, ("享徳", "きょうとく")),
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(1455, ("康正", "こうしょう")),
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(1457, ("長禄", "ちょうろく")),
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(1461, ("寛正", "かんしょう")),
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(1466, ("文正", "ぶんしょう")),
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(1467, ("応仁", "おうにん")),
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(1469, ("文明", "ぶんめい")),
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(1487, ("長享", "ちょうきょう")),
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(1489, ("延徳", "えんとく")),
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(1492, ("明応", "めいおう")),
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(1501, ("文亀", "ぶんき")),
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(1504, ("永正", "えいしょう")),
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(1521, ("大永", "だいえい")),
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(1528, ("享禄", "きょうろく")),
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(1532, ("天文", "てんぶん")),
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(1555, ("弘治", "こうじ")),
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(1558, ("永禄", "えいろく")),
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(1570, ("元亀", "げんき")),
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(1573, ("天正", "てんしょう")),
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(1593, ("文禄", "ぶんろく")),
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(1596, ("慶長", "けいちょう")),
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(1615, ("元和", "げんな")),
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(1624, ("寛永", "かんえい")),
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(1645, ("正保", "しょうほう")),
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(1648, ("慶安", "けいあん")),
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(1652, ("承応", "じょうおう")),
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(1655, ("明暦", "めいれき")),
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(1658, ("万治", "まんじ")),
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(1661, ("寛文", "かんぶん")),
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(1673, ("延宝", "えんぽう")),
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(1681, ("天和", "てんな")),
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(1684, ("貞享", "じょうきょう")),
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(1688, ("元禄", "げんろく")),
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(1704, ("宝永", "ほうえい")),
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(1711, ("正徳", "しょうとく")),
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(1716, ("享保", "きょうほう")),
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(1736, ("元文", "げんぶん")),
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(1741, ("寛保", "かんぽう")),
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(1744, ("延享", "えんきょう")),
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(1748, ("寛延", "かんえん")),
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(1751, ("宝暦", "ほうれき")),
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(1764, ("明和", "めいわ")),
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(1773, ("安永", "あんえい")),
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(1781, ("天明", "てんめい")),
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(1801, ("寛政", "かんせい")),
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(1802, ("享和", "きょうわ")),
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(1804, ("文化", "ぶんか")),
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(1818, ("文政", "ぶんせい")),
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(1831, ("天保", "てんぽう")),
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(1845, ("弘化", "こうか")),
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(1848, ("嘉永", "かえい")),
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(1855, ("安政", "あんせい")),
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(1860, ("万延", "まんえい")),
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(1861, ("文久", "ぶんきゅう")),
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(1864, ("元治", "げんじ")),
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(1865, ("慶応", "けいおう")),
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(1868, ("明治", "めいじ")),
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(1912, ("大正", "たいしょう")),
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(1926, ("昭和", "しょうわ")),
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(1989, ("平成", "へいせい")),
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]
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class Num2Word_JA(Num2Word_Base):
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CURRENCY_FORMS = {
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'JPY': (('円', 'えん'), ()),
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}
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def set_high_numwords(self, high):
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max = 4 * len(high)
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for word, n in zip(high, range(max, 0, -4)):
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self.cards[10 ** n] = word
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def setup(self):
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self.negword = "マイナス"
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self.pointword = ("点", "てん")
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self.exclude_title = ["点", "マイナス"]
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self.high_numwords = [
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("万", "まん"), # 10**4 man
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("億", "おく"), # 10**8 oku
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("兆", "ちょう"), # 10**12 chō
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("京", "けい"), # 10**16 kei
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("垓", "がい"), # 10**20 gai
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("秭", "し"), # 10**24 shi
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("穣", "じょう"), # 10**28 jō
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("溝", "こう"), # 10**32 kō
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("澗", "かん"), # 10**36 kan
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("正", "せい"), # 10**40 sei
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("載", "さい"), # 10**44 sai
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("極", "ごく"), # 10**48 goku
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]
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self.high_numwords.reverse()
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self.mid_numwords = [
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(1000, ("千", "せん")),
|
||
(100, ("百", "ひゃく")),
|
||
]
|
||
|
||
self.low_numwords = [
|
||
("十", "じゅう"), # 10 jū
|
||
("九", "きゅう"), # 9 kyū
|
||
("八", "はち"), # 8 hachi
|
||
("七", ("なな", "しち")), # 7 nana, shichi
|
||
("六", "ろく"), # 6 roku
|
||
("五", "ご"), # 5 go
|
||
("四", ("よん", "し")), # 4 yon, shi
|
||
("三", "さん"), # 3 san
|
||
("二", "に"), # 2 ni
|
||
("一", "いち"), # 1 ichi
|
||
# both are alternatives, 零 doesn't map to ゼロ or 〇 to れい
|
||
(("零", "〇"), ("ゼロ", "れい")), # 0 ZERO, rei
|
||
]
|
||
|
||
def merge(self, lpair, rpair):
|
||
ltext, lnum = lpair
|
||
rtext, rnum = rpair
|
||
|
||
fmt = "%s%s"
|
||
# ignore lpair if lnum is 1 and rnum is less than 10000
|
||
if lnum == 1 and rnum < 10000:
|
||
return rpair
|
||
# rnum is added to lnum
|
||
elif lnum > rnum:
|
||
return (fmt % (ltext, rtext), lnum + rnum)
|
||
# rnum is multiplied by lnum
|
||
elif lnum < rnum:
|
||
return rendaku_merge_pairs(lpair, rpair)
|
||
|
||
def _ordinal_suffix(self, reading, counter):
|
||
if reading:
|
||
if counter == "番":
|
||
return "ばんめ"
|
||
else:
|
||
raise NotImplementedError(
|
||
"Reading not implemented for %s" % counter)
|
||
else:
|
||
return counter + "目"
|
||
|
||
def to_ordinal(self, value, reading=False, prefer=None, counter="番"):
|
||
self.verify_ordinal(value)
|
||
base = self.to_cardinal(value, reading=reading, prefer=prefer)
|
||
return "%s%s" % (base, self._ordinal_suffix(reading, counter))
|
||
|
||
def to_ordinal_num(self, value, reading=False, counter="番"):
|
||
return "%s%s" % (value, self._ordinal_suffix(reading, counter))
|
||
|
||
def to_year(self, val, suffix=None, longval=True, reading=False,
|
||
prefer=None, era=True):
|
||
year = val
|
||
# Gregorian calendar
|
||
if not era:
|
||
prefix = ""
|
||
if year < 0:
|
||
year = abs(year)
|
||
prefix = "きげんぜん" if reading else "紀元前"
|
||
|
||
year_words = self.to_cardinal(year, reading=reading, prefer=prefer)
|
||
if reading and year % 10 == 9:
|
||
year_words = year_words[:-3] + "く"
|
||
|
||
return "%s%s%s" % (prefix, year_words, "ねん" if reading else "年")
|
||
|
||
# Era calendar (default)
|
||
min_year = ERA_START[0][0]
|
||
last_era_idx = len(ERA_START) - 1
|
||
if year < min_year:
|
||
raise ValueError(
|
||
"Can't convert years less than %s to era" % min_year)
|
||
|
||
first = 0
|
||
last = last_era_idx
|
||
era_idx = None
|
||
while era_idx is None:
|
||
mid = (first + last) // 2
|
||
if mid == last_era_idx or (ERA_START[mid][0] <= year and
|
||
ERA_START[mid + 1][0] > year):
|
||
era_idx = mid
|
||
# if an era lasting less than a year is preferred, choose it
|
||
if prefer:
|
||
i = mid - 1
|
||
while i >= 0 and ERA_START[i][0] == year:
|
||
# match kanji or hiragana
|
||
if set(ERA_START[i][1]) & set(prefer):
|
||
era_idx = i
|
||
break
|
||
i -= 1
|
||
|
||
# ends up at the last index where year >= ERA_START[mid][0]
|
||
if year < ERA_START[mid][0]:
|
||
last = mid - 1
|
||
else:
|
||
first = mid + 1
|
||
|
||
era = ERA_START[era_idx]
|
||
era_name = era[1][0]
|
||
era_year = year - era[0] + 1
|
||
fmt = "%s%s年"
|
||
if reading == "arabic":
|
||
era_year_words = str(era_year)
|
||
elif reading:
|
||
era_name = era[1][1]
|
||
era_year_words = (self.to_cardinal(era_year, reading=True,
|
||
prefer=prefer)
|
||
if era_year != 1 else "がん")
|
||
if era_year % 10 == 9:
|
||
era_year_words = era_year_words[:-3] + "く"
|
||
fmt = "%s%sねん"
|
||
else:
|
||
era_year_words = (self.to_cardinal(era_year, reading=False,
|
||
prefer=prefer)
|
||
if era_year != 1 else "元")
|
||
|
||
return fmt % (era_name, era_year_words)
|
||
|
||
def to_currency(self, val, currency="JPY", cents=False, seperator="",
|
||
adjective=False, reading=False, prefer=None):
|
||
left, right, is_negative = parse_currency_parts(
|
||
val, is_int_with_cents=cents)
|
||
|
||
try:
|
||
cr1, cr2 = self.CURRENCY_FORMS[currency]
|
||
if (cents or abs(val) != left) and not cr2:
|
||
raise ValueError('Decimals not supported for "%s"' % currency)
|
||
except KeyError:
|
||
raise NotImplementedError(
|
||
'Currency code "%s" not implemented for "%s"' %
|
||
(currency, self.__class__.__name__))
|
||
|
||
if adjective and currency in self.CURRENCY_ADJECTIVES:
|
||
cr1 = prefix_currency(self.CURRENCY_ADJECTIVES[currency], cr1)
|
||
|
||
minus_str = self.negword if is_negative else ""
|
||
|
||
return '%s%s%s%s%s' % (
|
||
minus_str,
|
||
self.to_cardinal(left, reading=reading, prefer=prefer),
|
||
cr1[1] if reading else cr1[0],
|
||
self.to_cardinal(right, reading=reading, prefer=prefer)
|
||
if cr2 else '',
|
||
(cr2[1] if reading else cr2[0]) if cr2 else '',
|
||
)
|
||
|
||
def splitnum(self, value, reading, prefer):
|
||
for elem in self.cards:
|
||
if elem > value:
|
||
continue
|
||
|
||
out = []
|
||
if value == 0:
|
||
div, mod = 1, 0
|
||
else:
|
||
div, mod = divmod(value, elem)
|
||
|
||
if div == 1:
|
||
out.append((select_text(self.cards[1], reading, prefer), 1))
|
||
else:
|
||
if div == value: # The system tallies, eg Roman Numerals
|
||
return [(
|
||
div * select_text(self.cards[elem], reading, prefer),
|
||
div * elem)]
|
||
out.append(self.splitnum(div, reading, prefer))
|
||
|
||
out.append((select_text(self.cards[elem], reading, prefer), elem))
|
||
|
||
if mod:
|
||
out.append(self.splitnum(mod, reading, prefer))
|
||
|
||
return out
|
||
|
||
def to_cardinal(self, value, reading=False, prefer=None):
|
||
try:
|
||
assert int(value) == value
|
||
except (ValueError, TypeError, AssertionError):
|
||
return self.to_cardinal_float(value, reading=reading,
|
||
prefer=prefer)
|
||
|
||
out = ""
|
||
if value < 0:
|
||
value = abs(value)
|
||
out = self.negword
|
||
|
||
if value >= self.MAXVAL:
|
||
raise OverflowError(self.errmsg_toobig % (value, self.MAXVAL))
|
||
|
||
val = self.splitnum(value, reading, prefer)
|
||
words, _ = self.clean(val)
|
||
return self.title(out + words)
|
||
|
||
def to_cardinal_float(self, value, reading=False, prefer=None):
|
||
prefer = prefer or ["れい"]
|
||
try:
|
||
float(value) == value
|
||
except (ValueError, TypeError, AssertionError):
|
||
raise TypeError(self.errmsg_nonnum % value)
|
||
|
||
pre, post = self.float2tuple(float(value))
|
||
|
||
post = str(post)
|
||
post = '0' * (self.precision - len(post)) + post
|
||
|
||
out = [self.to_cardinal(pre, reading=reading, prefer=prefer)]
|
||
if self.precision:
|
||
out.append(self.title(self.pointword[1 if reading else 0]))
|
||
|
||
for i in range(self.precision):
|
||
curr = int(post[i])
|
||
out.append(to_s(
|
||
self.to_cardinal(curr, reading=reading, prefer=prefer)))
|
||
|
||
return "".join(out)
|