Created
May 18, 2020 07:32
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法令漢数字→ローマ数字
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| from kanjize import kanji2int | |
| import re | |
| exprs = [ | |
| (r'月([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)日', 1), # 三月二十八日 | |
| (r'年([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)月', 1), # 昭和四十二年三月 | |
| (r'(明治|大正|昭和|平成|令和)([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)年', 2), # 昭和四十二年 | |
| (r'第([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)(章|節|条|項|号)', 1), # 第二十三条 | |
| (r'[〇一二三四五六七八九十壱弐参拾百千万萬億兆]+の([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)', 1), # 第十九条の六の十五 | |
| (r'条の([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)', 1), # 第十九条の六 | |
| (r'^([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)', 1), # <行頭>二 | |
| (r'^第([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)', 1), # <行頭>第二 | |
| (r'^\(([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)\)', 1), # <行頭>（三） | |
| (r'([〇一二三四五六七八九十壱弐参拾百千万萬億兆]+)(週|日|時間|分|秒|回)', 1), # 七十二時間 | |
| ] | |
| knums = '〇一二三四五六七八九' | |
| kn2n = {} | |
| for i, k in enumerate(knums): kn2n[k] = str(i) | |
| def is_complex(kn): | |
| '''whether given string is a complex kanji number w/ rank characters''' | |
| for k in kn: | |
| if k in '十壱弐参拾百千万萬億兆': | |
| return True | |
| return False | |
| def gen_k2i(arg_n): | |
| def res(m): | |
| k = m.group(arg_n) | |
| if is_complex(k): | |
| i = str(kanji2int(k)) | |
| else: | |
| # treat as a simple list of kanji numerals e.g. "第一三〇号" | |
| i = ''.join(kn2n[kn] for kn in k) | |
| return m.group(0).replace(k, i) | |
| return res | |
| def subst(s): | |
| for expr, pos in exprs: | |
| pat = re.compile(expr, flags=re.MULTILINE) | |
| s = re.sub(pat, gen_k2i(pos), s) | |
| return s |
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