I have 3 models:
class Node(models.Model):
ID = models.DecimalField(max_digits=19, decimal_places=10)
name = models.CharField(default='node', max_length=32)
connexion = models.CharField(max_length=255)
# Many2one fields | Foreign keys:
firm = models.ForeignKey('firme.Firme', on_delete=models.CASCADE,
null=True, blank=True)
class ScheduledAction(models.Model):
date = models.DateTimeField(default=datetime.now, blank=True)
firm = models.ForeignKey('firme.Firme', on_delete=models.CASCADE,
null=True, blank=True)
node_ids = models.ManyToManyField(Node)
I want in ScheduledAction form to show, for a selected firm, the list of
its related nodes. Normally I should do this by get:
class ScheduledActionForm(forms.ModelForm):
date = forms.DateTimeField()
firm = forms.ModelChoiceField(queryset=Firme.objects.all())
node_ids =
forms.ModelMultipleChoiceField(queryset=Node.objects.get(firm_id=firm.id),
widget=forms.CheckboxSelectMultiple)
class Meta:
model = ScheduledAction
fields = [
'date',
'firm',
'node_ids'
]
But I got this error:
AttributeError: 'ModelChoiceField' object has no attribute 'id'
How can I fix this?
This is my post
<https://stackoverflow.com/questions/54004320/get-the-list-of-related-objects-in-django>in
StackOverFlow.
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