Hi Billlu,
Does one your model use an ArrayField?
Le samedi 26 décembre 2015 01:34:02 UTC-5, Billu a écrit :
>
> I'm trying to make a single choice quiz (i.e. Choose one from 4 options).
> I'll populate the quiz (with 30 questions) depending upon what topic the
> user chooses. I'm made some models and forms, but when I try to migrate it
> says
>
> AttributeError: 'CharField' object has no attribute 'model'
>
>
> I don't even know which model has problem. I've tried it in Django 1.9
> (with virtualenv) & 1.8, same error. I've tried both manage.py check &
> manage.py runserver and they all come up ok (with runserver saying I need
> to migrate).
>
> Python 2.7
> Windows 7
>
> Below are my models. Tell me if you require anything else. It's only
> partially made and I've taken long-cuts in many things, 1st I've to make
> the thing work.
>
> from django.db import models
> from django.template.defaultfilters import slugify
> from django.conf import settings
> from django.contrib.auth.models import User
>
>
> class UserProfile(models.Model):
> user = models.OneToOneField(settings.AUTH_USER_MODEL)
> topic = models.CharField(max_length=50, blank=True)
>
>
> def __unicode__(self):
> return self.user.username
>
>
> class Subject(models.Model):
> subject_name = models.CharField(max_length=50)
>
>
> def __unicode__(self):
> return self.subject_name
>
>
> class QuestionAnswer(models.Model):
> subject = models.ManyToManyField(Subject)
> question_text = models.TextField(max_length=150)
> option_w = models.CharField(max_length=75, blank=True, null=True)
> option_x = models.CharField(max_length=75, blank=True, null=True)
> option_y = models.CharField(max_length=75, blank=True)
> option_z = models.CharField(max_length=75, blank=True)
> correct_answer = models.CharField(max_length=75, blank=False, default=
> None)
> on = models.BooleanField(default=True)
>
>
> def __unicode__(self):
> return self.id
>
>
> class Meta:
> app_label = 'QuestionAnswer'
> verbose_name='Question'
> verbose_name_plural = 'Questions'
>
>
> class QuizAttempt(models.Model):
> username = models.ManyToManyField(User)
> subject = models.ManyToManyField(Subject)
> slug = models.SlugField(unique=False)
> datetime = models.DateTimeField(auto_now_add=True)
> questions_included = models.ForeignKey(models.QuestionAnswer)
> correctly_answered_questions = models.IntegerField()
> total_marks = models.IntegerField()
>
>
> class Meta:
> verbose_name='Quiz'
> verbose_name_plural = 'Quizzes'
>
>
> def save(self, *args, **kwargs):
> self.slug = slugify(self.username +' ' + self.subject + ' ' + self.
> datetime.month +' ' + self.datetime.year)
> super(QuizAttempt, self).save(*args, **kwargs)
>
>
> @property
> def correct_answer_count(self):
> return self._correct_answer_count
>
> def __unicode__(self):
> return "Quiz ID is {}".format(self.id)
> return "The quiz was taken by {} on {}".format(self.username, self.topic)
> return "The quiz was taken on {}".format(self.datetime)
>
>
>
>
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