SongtingLiu
60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
import re
|
||
import cn2an
|
||
import opencc
|
||
|
||
|
||
converter = opencc.OpenCC('jyutjyu')
|
||
|
||
# List of (Latin alphabet, ipa) pairs:
|
||
_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
|