75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
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# -*- coding: utf-8 -*-
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"""BOPOMOFO 相关的几个拼音风格实现:
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Style.BOPOMOFO
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Style.BOPOMOFO_FIRST
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"""
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from __future__ import unicode_literals
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import re
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from pypinyin.constants import Style
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from pypinyin.style import register
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from pypinyin.style._constants import RE_TONE3
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from pypinyin.style._utils import replace_symbol_to_number
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# 注音转换表
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BOPOMOFO_REPLACE = (
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(re.compile(r'^m(\d)$'), 'mu\\1'), # 呣
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(re.compile(r'^n(\d)$'), 'N\\1'), # 嗯
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(re.compile(r'^r5$'), 'er5'), # 〜兒
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(re.compile(r'iu'), 'iou'),
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(re.compile(r'ui'), 'uei'),
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(re.compile(r'ong'), 'ung'),
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(re.compile(r'^yi?'), 'i'),
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(re.compile(r'^wu?'), 'u'),
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(re.compile(r'iu'), 'v'),
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(re.compile(r'^([jqx])u'), '\\1v'),
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(re.compile(r'([iuv])n'), '\\1en'),
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(re.compile(r'^zhi?'), 'Z'),
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(re.compile(r'^chi?'), 'C'),
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(re.compile(r'^shi?'), 'S'),
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(re.compile(r'^([zcsr])i'), '\\1'),
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(re.compile(r'ai'), 'A'),
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(re.compile(r'ei'), 'I'),
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(re.compile(r'ao'), 'O'),
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(re.compile(r'ou'), 'U'),
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(re.compile(r'ang'), 'K'),
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(re.compile(r'eng'), 'G'),
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(re.compile(r'an'), 'M'),
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(re.compile(r'en'), 'N'),
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(re.compile(r'er'), 'R'),
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(re.compile(r'eh'), 'E'),
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(re.compile(r'([iv])e'), '\\1E'),
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(re.compile(r'([^0-4])$'), '\\g<1>0'),
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(re.compile(r'1$'), ''),
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)
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BOPOMOFO_TABLE = dict(zip(
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'bpmfdtnlgkhjqxZCSrzcsiuvaoeEAIOUMNKGR2340ê',
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'ㄅㄆㄇㄈㄉㄊㄋㄌㄍㄎㄏㄐㄑㄒㄓㄔㄕㄖㄗㄘㄙㄧㄨㄩㄚㄛㄜㄝㄞㄟㄠㄡㄢㄣㄤㄥㄦˊˇˋ˙ㄝ'
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))
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class BopomofoConverter(object):
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def to_bopomofo(self, pinyin, **kwargs):
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pinyin = self._pre_convert(pinyin)
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# 查表替换成注音
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for find_re, replace in BOPOMOFO_REPLACE:
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pinyin = find_re.sub(replace, pinyin)
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pinyin = ''.join(BOPOMOFO_TABLE.get(x, x) for x in pinyin)
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return pinyin
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def to_bopomofo_first(self, pinyin, **kwargs):
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pinyin = self.to_bopomofo(pinyin, **kwargs)
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return pinyin[0]
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def _pre_convert(self, pinyin):
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# 用数字表示声调
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pinyin = replace_symbol_to_number(pinyin)
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# 将声调数字移动到最后
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return RE_TONE3.sub(r'\1\3\2', pinyin)
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converter = BopomofoConverter()
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register(Style.BOPOMOFO, func=converter.to_bopomofo)
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register(Style.BOPOMOFO_FIRST, func=converter.to_bopomofo_first)
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