I have found the right solution. Thanks
sebasti...@gmail.com <sebastian.ju...@gmail.com> schrieb am Do., 15. Apr.
2021, 18:07:
> Hello,
>
> i have following:
>
> models.py:
>
> from django.db import models
>
> class Tabs(models.Model):
> id = models.AutoField(primary_key=True)
> def __str__(self):
> return self.name
>
> class Box(models.Model):
> id = models.AutoField(primary_key=True)
> tabslink = models.ForeignKey(Tabs, on_delete=models.CASCADE,
> null=False,blank=False)
>
> def __init__(self, *args, **kwargs):
> super().__init__(*args, **kwargs)
> print([field.name for field in self._meta.get_fields()])
> for field in [field.name for field in self._meta.get_fields()]:
> getattr(self, field)
>
> views.py:
>
> from django.views.generic.edit import (
> CreateView,
>
> )
> from django.urls import reverse, reverse_lazy
> from django import forms
>
> class Boxform(forms.ModelForm):
> class Meta:
> model = Box
> fields = ['tabslink']
>
> class test(CreateView):
> model = Box
> template_name = 'test.html'
> form_class = Boxform
> success_url = reverse_lazy('Boxlistview')
>
> Now i get a Exception:
>
> Exception Value: Box has no tabslink.
>
> /home/sebastian/PycharmProjects/test3/test4/models.py, line 22, in __init__
> getattr(self, field) …
> ▶ Local vars
> /home/sebastian/.local/lib/python3.8/site-packages/django/db/models/fields/related_descriptors.py,
> line 197, in __get__
> raise self.RelatedObjectDoesNotExist( …
> ▶ Local vars
>
>
> This happens only on fields that have a models.ForeignKey entry...
>
> Please help me that i can also get related with getattr.
>
> Regards
>
>
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