models.py 文件源码

def create_code(self):
        if self.code:
            raise FieldError
        hash_input = (
            "fim_rudi" + self.participant_1_email +
            str(time.clock()) +
            str(self.event) +
            str(random.random()))
        digest = sha256(hash_input).digest()
        # if code already exists create another
        new_code = base58.b58encode(digest)
        if Team.objects.filter(code=new_code).exists():
            return self.create_code()
        self.code = new_code