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import re |
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import cn2an |
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import opencc |
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converter = opencc.OpenCC('zaonhe') |
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_latin_to_ipa = [(re.compile('%s' % x[0]), x[1]) for x in [ |
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('A', 'ᴇ'), |
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('B', 'bi'), |
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('C', 'si'), |
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('D', 'di'), |
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('E', 'i'), |
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('F', 'ᴇf'), |
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('G', 'dʑi'), |
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('H', 'ᴇtɕʰ'), |
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('I', 'ᴀi'), |
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('J', 'dʑᴇ'), |
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('K', 'kʰᴇ'), |
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('L', 'ᴇl'), |
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('M', 'ᴇm'), |
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('N', 'ᴇn'), |
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('O', 'o'), |
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('P', 'pʰi'), |
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('Q', 'kʰiu'), |
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('R', 'ᴀl'), |
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('S', 'ᴇs'), |
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('T', 'tʰi'), |
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('U', 'ɦiu'), |
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('V', 'vi'), |
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('W', 'dᴀbɤliu'), |
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('X', 'ᴇks'), |
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('Y', 'uᴀi'), |
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('Z', 'zᴇ') |
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]] |
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def _number_to_shanghainese(num): |
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num = cn2an.an2cn(num).replace('一十','十').replace('二十', '廿').replace('二', '两') |
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return re.sub(r'((?:^|[^三四五六七八九])十|廿)两', r'\1二', num) |
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def number_to_shanghainese(text): |
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return re.sub(r'\d+(?:\.?\d+)?', lambda x: _number_to_shanghainese(x.group()), text) |
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def latin_to_ipa(text): |
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for regex, replacement in _latin_to_ipa: |
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text = re.sub(regex, replacement, text) |
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return text |
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def shanghainese_to_ipa(text): |
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text = number_to_shanghainese(text.upper()) |
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text = converter.convert(text).replace('-','').replace('$',' ') |
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text = re.sub(r'[A-Z]', lambda x: latin_to_ipa(x.group())+' ', text) |
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text = re.sub(r'[、；：]', '，', text) |
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text = re.sub(r'\s*，\s*', ', ', text) |
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text = re.sub(r'\s*。\s*', '. ', text) |
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text = re.sub(r'\s*？\s*', '? ', text) |
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text = re.sub(r'\s*！\s*', '! ', text) |
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text = re.sub(r'\s*$', '', text) |
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return text |
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