def pickSimilarKana(kana):
row, col = getRowAndCol(kana)
while True:
newCol = weightedSample(range(5), lambda c: 5 - abs(min(col - c, col + 5 - c)), 1)[0]
newKana = Hiraganas[row * 5 + newCol]
if row in [1, 2, 3, 4, 5, 6, 8, 9 ,10]:
# TO-DO: 增加選擇清濁的功能
pass
if newKana in 'ゃゅょっんを':
continue
return newKana
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 }