django-models

问题 NameError at /project/reset_password_confirm/MTQ-4c8-65d880f1c28996091226/ global name 'get_user_model' is not defined Request Method: POST Django Version: 1.9.1 Exception Type: NameError Exception Value: global name 'get_user_model' is not defined Exception Location: /root/django/studie/project/views.py in post, line 770 Python Executable: /usr/bin/python Python Version: 2.7.9 views.py from django.contrib.auth.models import User line 770: def post(self, request, uidb64=None, token=None, *arg

问题 I have two models that look something like class Address(models.Model): line1 = models.CharField(max_length=128, help_text="Address Line 1") city = models.CharField(max_length=128) state = USStateField() zipcode = USZipCodeField() class Company(models.Model): name = models.CharField(max_length=100) address = models.ForeignKey('Address', on_delete=models.PROTECT) And I would like to generate a form that looks something like below, although I have no idea how to save the address from within a

问题 I'm using django-autocomplete-light in django 1.8. But I don't know how to use it in forms.py . Instead of autocomplete field I see a select field. I followed the instructions from here. In models.py I have: class icd_10(models.Model): id = models.IntegerField(unique=True,primary_key=True,null=False,blank=False) icd_10_desc = models.CharField('ICD-10 description',max_length=80,null=True,blank=True) icd_10_code = models.CharField('ICD-10 code',max_length=10,null=True,blank=True) def __str__

问题 I'm using django-autocomplete-light in django 1.8. But I don't know how to use it in forms.py . Instead of autocomplete field I see a select field. I followed the instructions from here. In models.py I have: class icd_10(models.Model): id = models.IntegerField(unique=True,primary_key=True,null=False,blank=False) icd_10_desc = models.CharField('ICD-10 description',max_length=80,null=True,blank=True) icd_10_code = models.CharField('ICD-10 code',max_length=10,null=True,blank=True) def __str__

问题 I'm trying to build two abstract classes called SurveyQuestionBase and SurveyResponseBase that will serve as templates to quickly define new concrete Models for implementing specific surveys on our website. The issue I am having is in enforcing that the SurveyResponseBase model, when made concrete, should define a ForeignKey to a concrete model of SurveyQuestionBase . Django does not allow us to define ForeignKeys to abstract classes so I cannot, for instance, do this: question = models

问题 I'm trying to build two abstract classes called SurveyQuestionBase and SurveyResponseBase that will serve as templates to quickly define new concrete Models for implementing specific surveys on our website. The issue I am having is in enforcing that the SurveyResponseBase model, when made concrete, should define a ForeignKey to a concrete model of SurveyQuestionBase . Django does not allow us to define ForeignKeys to abstract classes so I cannot, for instance, do this: question = models

问题 I am trying to call this overrride save method in models: def save(self, *args, **kwargs): if self.done is True: if self.averagepa is None: pass elif self.averagepa < 26: self.links = 5 elif self.averagepa < 31: self.links = 10 elif self.averagepa < 36: self.links = 15 elif self.averagepa < 41: self.links = 20 else: self.links = 99 super(KW, self).save(*args, **kwargs) This works perfectly if I just save model in admin panel. But when I try to update it via ./manage.py shell like this: KW

问题 I am trying to call this overrride save method in models: def save(self, *args, **kwargs): if self.done is True: if self.averagepa is None: pass elif self.averagepa < 26: self.links = 5 elif self.averagepa < 31: self.links = 10 elif self.averagepa < 36: self.links = 15 elif self.averagepa < 41: self.links = 20 else: self.links = 99 super(KW, self).save(*args, **kwargs) This works perfectly if I just save model in admin panel. But when I try to update it via ./manage.py shell like this: KW

问题 I have this model: class Movie(models.Model): # here are some fields for this model to which I added the following field (the database was already populated with Movie models): user = models.ForeignKey(User, default=1) I ran the commands 'makemigrations' and then 'migrate': python manage.py makemigrations myapp python manage.py migrate but it doesn't work. What I want to do is to add the 'user' field to Movie objects and provide a default for it for all the existing Movie objects in my

问题 It is needed to attach to queryset results related object field. Models: class User(models.Model): name = models.CharField(max_length=50) friends = models.ManyToManyField('self', through='Membership', blank=True, null=True, symmetrical=False) class Membership(models.Model): status = models.CharField(choices=SOME_CHOICES, max_length=50) from_user = models.ForeignKey(User, related_name="member_from") to_user = models.ForeignKey(User, related_name="member_to") I can do this: >>> User.objects.all