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33 lines
1.0 KiB
33 lines
1.0 KiB
4 years ago
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import re
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from typing import Dict
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from typing import List
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from typing import Text
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from pypinyin import phonetic_symbol
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# 声母表
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_INITIALS = 'b,p,m,f,d,t,n,l,g,k,h,j,q,x,zh,ch,sh,r,z,c,s'.split(
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',') # type: List[Text]
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# 声母表, 把 y, w 也当作声母
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_INITIALS_NOT_STRICT = _INITIALS + ['y', 'w'] # type: List[Text]
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# 带声调字符与数字表示声调的对应关系
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PHONETIC_SYMBOL_DICT = phonetic_symbol.phonetic_symbol.copy(
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) # type: Dict[Text, Text]
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PHONETIC_SYMBOL_DICT_KEY_LENGTH_NOT_ONE = dict(
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(k, v) for k, v in PHONETIC_SYMBOL_DICT.items()
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if len(k) > 1) # type: Dict[Text, Text]
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# 匹配带声调字符的正则表达式
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RE_PHONETIC_SYMBOL = re.compile(r'[{0}]'.format(
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re.escape(''.join(x for x in PHONETIC_SYMBOL_DICT if len(x) == 1))))
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# 匹配使用数字标识声调的字符的正则表达式
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RE_TONE2 = re.compile(r'([aeoiuvnm])([1-5])$')
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# 匹配 TONE2 中标识韵母声调的正则表达式
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RE_TONE3 = re.compile(r'^([a-z]+)([1-5])([a-z]*)$')
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# 匹配单个数字
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RE_NUMBER = re.compile(r'\d')
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