def generateKanaQuestion(word):
candidates = []
for w in Word.objects.all():
length = len(getLcs(word.kana, w.kana))
if min(len(word.kana) - 1, 1) <= length < len(word.kana):
candidates.append([w, length])
candidateFilter = list(filter(lambda e: e[1] / len(e[0].kana) > 0.4, candidates))
if len(candidateFilter) > 0:
candidates = candidateFilter
options = [word] + [e[0] for e in weightedSample(candidates, lambda e: e[1], 5)]
random.shuffle(options)
for i in range(len(options)):
if options[i] == word:
return { 'options': options, 'answer': i }
def makeChoices(word, kana, numberOfChoices = 5):
word = katakanaToHiragana(word)
lcs = getLcs(word, kana)
choices = []
while len(choices) < numberOfChoices:
choice = ''
lcsCopy = lcs
# TO-DO: 首先確定選項中變化的假名個數以及比例
for i in range(len(kana)):
if kana[i] in 'ゃゅょっんを':
choice += kana[i]
continue
if len(lcsCopy) > 0 and kana[i] == lcsCopy[0]:
lcsCopy = lcsCopy[1:]
choice += kana[i]
continue
# TO-DO: 針對促音及拗音部分檢查合法性
choice += pickSimilarKana(kana[i])
if choice != kana and choice not in choices:
choices.append(choice)
choices.append(kana)
random.shuffle(choices)
return choices
