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import os
import sys
import re
from pypinyin import lazy_pinyin, BOPOMOFO
import jieba
import cn2an
import logging
logging.getLogger('jieba').setLevel(logging.WARNING)
jieba.initialize()
# List of (Latin alphabet, bopomofo) pairs:
_latin_to_bopomofo = [(re.compile('%s' % x[0], re.IGNORECASE), x[1]) for x in [
('a', 'γΛ'),
('b', 'γ
γ§Λ'),
('c', 'γγ§Λ'),
('d', 'γγ§Λ'),
('e', 'γ§Λ'),
('f', 'γΛγγ¨Λ'),
('g', 'γγ§Λ'),
('h', 'γΛγγ©Λ'),
('i', 'γΛ'),
('j', 'γγΛ'),
('k', 'γγΛ'),
('l', 'γΛγΛ'),
('m', 'γΛγγ¨Λ'),
('n', 'γ£Λ'),
('o', 'γ‘Λ'),
('p', 'γγ§Λ'),
('q', 'γγ§γ‘Λ'),
('r', 'γΛ'),
('s', 'γΛγΛ'),
('t', 'γγ§Λ'),
('u', 'γ§γ‘Λ'),
('v', 'γ¨γ§Λ'),
('w', 'γγΛγ
γ¨Λγγ§γ‘Λ'),
('x', 'γΛγγ¨ΛγΛ'),
('y', 'γ¨γΛ'),
('z', 'γγΛ')
]]
# List of (bopomofo, romaji) pairs:
_bopomofo_to_romaji = [(re.compile('%s' % x[0]), x[1]) for x in [
('γ
γ', 'pβΌwo'),
('γγ', 'pΚ°wo'),
('γγ', 'mwo'),
('γγ', 'fwo'),
('γ
', 'pβΌ'),
('γ', 'pΚ°'),
('γ', 'm'),
('γ', 'f'),
('γ', 'tβΌ'),
('γ', 'tΚ°'),
('γ', 'n'),
('γ', 'l'),
('γ', 'kβΌ'),
('γ', 'kΚ°'),
('γ', 'h'),
('γ', 'Κ§βΌ'),
('γ', 'Κ§Κ°'),
('γ', 'Κ'),
('γ', 'Κ¦`βΌ'),
('γ', 'Κ¦`Κ°'),
('γ', 's`'),
('γ', 'ΙΉ`'),
('γ', 'Κ¦βΌ'),
('γ', 'Κ¦Κ°'),
('γ', 's'),
('γ', 'a'),
('γ', 'o'),
('γ', 'Ι'),
('γ', 'e'),
('γ', 'ai'),
('γ', 'ei'),
('γ ', 'au'),
('γ‘', 'ou'),
('γ§γ’', 'yeNN'),
('γ’', 'aNN'),
('γ§γ£', 'iNN'),
('γ£', 'ΙNN'),
('γ€', 'aNg'),
('γ§γ₯', 'iNg'),
('γ¨γ₯', 'uNg'),
('γ©γ₯', 'yuNg'),
('γ₯', 'ΙNg'),
('γ¦', 'ΙΙ»'),
('γ§', 'i'),
('γ¨', 'u'),
('γ©', 'Ι₯'),
('Λ', 'β'),
('Λ', 'β'),
('Λ', 'ββ'),
('Λ', 'β'),
('Λ', ''),
('οΌ', ','),
('γ', '.'),
('οΌ', '!'),
('οΌ', '?'),
('β', '-')
]]
# List of (romaji, ipa) pairs:
_romaji_to_ipa = [(re.compile('%s' % x[0], re.IGNORECASE), x[1]) for x in [
('Κy', 'Κ'),
('Κ§Κ°y', 'Κ§Κ°'),
('Κ§βΌy', 'Κ§βΌ'),
('NN', 'n'),
('Ng', 'Ε'),
('y', 'j'),
('h', 'x')
]]
def number_to_chinese(text):
numbers = re.findall(r'\d+(?:\.?\d+)?', text)
for number in numbers:
text = text.replace(number, cn2an.an2cn(number), 1)
return text
def chinese_to_bopomofo(text):
text = text.replace('γ', 'οΌ').replace('οΌ', 'οΌ').replace('οΌ', 'οΌ')
words = jieba.lcut(text, cut_all=False)
text = ''
for word in words:
bopomofos = lazy_pinyin(word, BOPOMOFO)
if not re.search('[\u4e00-\u9fff]', word):
text += word
continue
for i in range(len(bopomofos)):
if re.match('[\u3105-\u3129]', bopomofos[i][-1]):
bopomofos[i] += 'Λ'
if text != '':
text += ' '
text += ''.join(bopomofos)
return text
def latin_to_bopomofo(text):
for regex, replacement in _latin_to_bopomofo:
text = re.sub(regex, replacement, text)
return text
def bopomofo_to_romaji(text):
for regex, replacement in _bopomofo_to_romaji:
text = re.sub(regex, replacement, text)
return text
def chinese_to_romaji(text):
text = number_to_chinese(text)
text = chinese_to_bopomofo(text)
text = latin_to_bopomofo(text)
text = bopomofo_to_romaji(text)
text = re.sub('i[aoe]', lambda x: 'y'+x.group(0)[1:], text)
text = re.sub('u[aoΙe]', lambda x: 'w'+x.group(0)[1:], text)
text = re.sub('([Κ¦sΙΉ]`[βΌΚ°]?)([βββ ]+|$)', lambda x: x.group(1) +
'ΙΉ`'+x.group(2), text).replace('Ι»', 'ΙΉ`')
text = re.sub('([Κ¦s][βΌΚ°]?)([βββ ]+|$)',
lambda x: x.group(1)+'ΙΉ'+x.group(2), text)
return text
def chinese_to_lazy_ipa(text):
text = chinese_to_romaji(text)
for regex, replacement in _romaji_to_ipa:
text = re.sub(regex, replacement, text)
return text
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