Re: 'CharField' object has no attribute 'model'

I guest the problem is here
questions_included = models.ForeignKey(models.QuestionAnswer)

Django models haven't QuestionAnswer.


El sábado, 26 de diciembre de 2015, Simon Charette <charette.s@gmail.com> escribió:
> 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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