def allomorph(self,
word,
morph,
tolerance_style=DEFAULT_TOLERANCE_STYLE,
guess_coda=DEFAULT_GUESS_CODA):
suffix = self.I_PATTERN.sub(u'', morph)
coda = guess_coda(word)
next_onset, next_nucleus, next_coda = split_phonemes(suffix[0])
if next_onset == u'ㅇ':
if next_nucleus == u'ㅣ':
# No allomorphs when a morph starts with "이" and has a coda.
return suffix
mapping = None
if coda == u'' and next_nucleus in self.J_INJECTIONS:
# Squeeze "이어" or "이에" to "여" or "예"
# after a word which ends with a nucleus.
mapping = self.J_INJECTIONS
elif coda != u'' and next_nucleus in self.J_INJECTIONS.inv:
# Lengthen "여" or "예" to "이어" or "이에"
# after a word which ends with a consonant.
mapping = self.J_INJECTIONS.inv
if mapping is not None:
next_nucleus = mapping[next_nucleus]
next_letter = join_phonemes(u'ㅇ', next_nucleus, next_coda)
suffix = next_letter + suffix[1:]
if coda is None:
morph = self.tolerance(tolerance_style)
else:
morph = self.rule(coda)
return morph + suffix
def test_join_phonemes():
assert join_phonemes(u'ㅅ', u'ㅓ', u'ㅂ') == u'섭'
assert join_phonemes((u'ㅅ', u'ㅓ', u'ㅂ')) == u'섭'
assert join_phonemes(u'ㅊ', u'ㅠ') == u'츄'
assert join_phonemes(u'ㅊ', u'ㅠ', u'') == u'츄'
assert join_phonemes((u'ㅊ', u'ㅠ')) == u'츄'
with pytest.raises(TypeError):
join_phonemes(u'ㄷ', u'ㅏ', u'ㄹ', u'ㄱ')
def test_join_phonemes():
assert join_phonemes(u'ㅅ', u'ㅓ', u'ㅂ') == u'섭'
assert join_phonemes((u'ㅅ', u'ㅓ', u'ㅂ')) == u'섭'
assert join_phonemes(u'ㅊ', u'ㅠ') == u'츄'
assert join_phonemes(u'ㅊ', u'ㅠ', u'') == u'츄'
assert join_phonemes((u'ㅊ', u'ㅠ')) == u'츄'
with pytest.raises(TypeError):
join_phonemes(u'ㄷ', u'ㅏ', u'ㄹ', u'ㄱ')
def regex_pattern(self):
if self.final:
return u'^(?:%s)$' % u'|'.join(re.escape(f) for f in self.morphs)
patterns = []
for morph in self.morphs:
try:
onset, nucleus, coda = split_phonemes(morph[-1])
except ValueError:
coda = None
if coda == u'':
start = morph[-1]
end = join_phonemes(onset, nucleus, u'ㅎ')
pattern = re.escape(morph[:-1]) + u'[%s-%s]' % (start, end)
else:
pattern = re.escape(morph)
patterns.append(pattern)
return u'^(?:%s)' % u'|'.join(u'(%s)' % p for p in patterns)