def construct_syllable(self, phrase_tree, expected_vowel_len, noun=False):
"""
最初の音節を作成する．
Args:
phrase_tree: PhraseTree クラスオブジェクト
expected_vowel_len: 音節の読みの長さ
Returns:
音節
"""
# phrase_tree には，current と next が格納済み
while True:
if self._is_empty_first_node(phrase_tree):
raise ConstructionError('First node has become empty.')
while True:
# 単語タプルをランダムに1つ取得
try:
PhraseTree.disclose(phrase_tree, "construct ---------")
phrase_tree, phrase_tree.next_tree = self._get_word(
phrase_tree)
PhraseTree.disclose(phrase_tree, "construct 2 ---------")
except ValueError:
logger.info('*** Cnstruction failed ***')
raise
if phrase_tree.next_tree is None:
break
text_vowel_len = PhraseTree.count_phrase_len(
phrase_tree.next_tree)
if phrase_tree.possible_next_words == list():
try:
phrase_tree = self._back_prev_word_list(phrase_tree)
except ValueError:
logger.info('*** Cnstruction failed ***')
raise
elif self._is_n_char(expected_vowel_len, text_vowel_len):
assert phrase_tree is not None, "phrase_tree is None"
self._post_proc(phrase_tree.next_tree)
return phrase_tree.next_tree
elif self._is_less_than_n_char(expected_vowel_len,
text_vowel_len):
# 次の単語タプルを取得する前の処理
phrase_tree = phrase_tree.next_tree
assert phrase_tree is not None, "phrase_tree is None"
break
else:
# 5文字より長くなったら別の単語を取得しなおす
# 現在の next_tree を破棄する
pass
def compose(self):
"""
俳句を詠む．
"""
first_loop_limit = 500
first_current_loop = 0
while True:
logger.debug('+++ current loop: {} +++'.format(first_current_loop))
first_current_loop += 1
if first_current_loop == first_loop_limit:
return "***** だめでした *****"
try:
root = PhraseTree.define_root(
possible_next_words=self._get_word_list())
first_phrase_tree = self.construct_syllable(root, self.FIVE)
first_text_list = Phrase.text_list
PhraseTree.disclose(first_phrase_tree, "first -------------")
except ValueError:
logger.debug('***** first ValueError *****')
continue
try:
root = PhraseTree.define_root(
possible_next_words=first_phrase_tree.possible_next_words)
second_phrase_tree = self.construct_syllable(root, self.SEVEN)
second_last_vowel = Phrase.last_vowel
second_text_list = Phrase.text_list
PhraseTree.disclose(second_phrase_tree, "second -------------")
except ValueError:
logger.debug('***** second ValueError *****')
continue
try:
root = PhraseTree.define_root(
possible_next_words=second_phrase_tree.possible_next_words)
third_phrase_tree = self.construct_syllable(root, self.FIVE)
third_last_vowel = Phrase.last_vowel
third_text_list = Phrase.text_list
PhraseTree.disclose(third_phrase_tree, "third -------------")
except ValueError:
logger.debug('***** third ValueError *****')
continue
if Rhymer.is_rhymed(second_last_vowel, third_last_vowel):
haiku = "".join(first_text_list + second_text_list +
third_text_list)
logger.debug("[Haiku] >>> {}".format(haiku))
return haiku