|
import re
|
|
import cn2an
|
|
import opencc
|
|
|
|
|
|
converter = opencc.OpenCC('jyutjyu')
|
|
|
|
|
|
_latin_to_ipa = [(re.compile('%s' % x[0]), x[1]) for x in [
|
|
('A', 'ei˥'),
|
|
('B', 'biː˥'),
|
|
('C', 'siː˥'),
|
|
('D', 'tiː˥'),
|
|
('E', 'iː˥'),
|
|
('F', 'e˥fuː˨˩'),
|
|
('G', 'tsiː˥'),
|
|
('H', 'ɪk̚˥tsʰyː˨˩'),
|
|
('I', 'ɐi˥'),
|
|
('J', 'tsei˥'),
|
|
('K', 'kʰei˥'),
|
|
('L', 'e˥llou˨˩'),
|
|
('M', 'ɛːm˥'),
|
|
('N', 'ɛːn˥'),
|
|
('O', 'ou˥'),
|
|
('P', 'pʰiː˥'),
|
|
('Q', 'kʰiːu˥'),
|
|
('R', 'aː˥lou˨˩'),
|
|
('S', 'ɛː˥siː˨˩'),
|
|
('T', 'tʰiː˥'),
|
|
('U', 'juː˥'),
|
|
('V', 'wiː˥'),
|
|
('W', 'tʊk̚˥piː˥juː˥'),
|
|
('X', 'ɪk̚˥siː˨˩'),
|
|
('Y', 'waːi˥'),
|
|
('Z', 'iː˨sɛːt̚˥')
|
|
]]
|
|
|
|
|
|
def number_to_cantonese(text):
|
|
return re.sub(r'\d+(?:\.?\d+)?', lambda x: cn2an.an2cn(x.group()), text)
|
|
|
|
|
|
def latin_to_ipa(text):
|
|
for regex, replacement in _latin_to_ipa:
|
|
text = re.sub(regex, replacement, text)
|
|
return text
|
|
|
|
|
|
def cantonese_to_ipa(text):
|
|
text = number_to_cantonese(text.upper())
|
|
text = converter.convert(text).replace('-','').replace('$',' ')
|
|
text = re.sub(r'[A-Z]', lambda x: latin_to_ipa(x.group())+' ', text)
|
|
text = re.sub(r'[、；：]', '，', text)
|
|
text = re.sub(r'\s*，\s*', ', ', text)
|
|
text = re.sub(r'\s*。\s*', '. ', text)
|
|
text = re.sub(r'\s*？\s*', '? ', text)
|
|
text = re.sub(r'\s*！\s*', '! ', text)
|
|
text = re.sub(r'\s*$', '', text)
|
|
return text
|
|
|
