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我想超載在下面的代碼get函數...ValueError異常Django的model.Manager.get功能
class QuizzerBotManager(models.Manager):
def create_quizzer_bot(self):
quizzer_bot = self.create(
client_data=None,
should_set_name = False,
should_set_age = False,
should_set_gender = False,
quiz = None,
quiz_length = 0,
should_set_quiz = False,
should_check_postback = False,
should_check_message = True,
should_check_answer = False,
question_number = 0,
score = 0
)
quizzer_bot.answer_statuses = []
return quizzer_bot
def get_quizzer_bot(self, *args, **kwargs):
try:
quizzer_bot = self.get(args, kwargs)
quizzer_bot.answer_statuses = json.loads(quizzer_bot.answers)
except ProgrammingError:
quizzer_bot = self.create_quizzer_bot()
return quizzer_bot
不過,我發現了以下錯誤:
ValueError: need more than 0 values to unpack
堆棧顯示此錯誤發生在我嘗試撥打self.get(args, kwargs)
的地方。 這是爲什麼?我該如何解決?
謝謝,我簡直不敢相信這是一件如此基本的。但是,幫助我理解......這不僅僅意味着解開清單的包裝? – NJay
用'args'將參數作爲元組傳遞。但是,該函數不會使用元組。但是對於'* args',函數無法區分帶有所有參數的* regular *調用和this('* args')。 –