How to create a form in Django from a model with multiple ForeignKey and ManytoManyField fields?

Question

I am a Django newbie. I cannot figure out how to create a form that properly displays my model, which has two ForeignKey fields and three ManytoManyFields. I am familiar with creating forms from more simple models, but I'm stuck on this one. So far, I've tried ModelForm and used ModelChoiceField for ForeignKey relationships, but that did not work. When viewing the form, the fields options did not render. I then tried inlineformset_factory but I could not find helpful examples. Any help is appreciated. I am trying to create CreateView, UpdateView, and DeleteView options for the model.

models.py

    class Animal(models.Model):
        name = models.CharField(max_length=500, blank=False, null=False)
        **atype = models.ForeignKey(Type, on_delete=models.SET_NULL, blank=False, null=True)**
        **ageGroup = models.ForeignKey(AgeGroup, max_length=300, on_delete=models.SET_NULL, blank=False, null=True)**
        ageYears = models.PositiveIntegerField(blank=False, null=False)
        ageMonths = models.PositiveIntegerField(blank=True, null=True)
        sex = models.CharField(max_length=100, choices=SEX, blank=False, null=False, default='NA')
        city = models.CharField(max_length=200, blank=True, null=True)
        state = models.CharField(max_length=200, blank=True, null=True)
        country = models.CharField(max_length=250, blank=True, null=True)
        **breedGroup = models.ManyToManyField(BreedGroup, blank=False)**
        **breed = models.ManyToManyField(Breed, blank=False)**
        tagLine = models.CharField(max_length=300, blank=False, null=False)
        goodWithCats = models.BooleanField(blank=False, null=False, default='Not Enough Information')
        goodWithDogs = models.BooleanField(null=False, blank=False, default='Not Enough Information')
        goodWKids = models.BooleanField(null=False, blank=False, default='Not Enough Information')
        profilePic = ResizedImageField(size=[300, 450], quality=100, upload_to='media/', default='', null=True, blank=True, keep_meta=False)
        **contact = models.ForeignKey(ContactDetails, on_delete=models.SET_NULL, blank=False, null=True)**

forms.py

    class AnimalDetailsForm(ModelForm):
        ftype = ModelChoiceField(queryset=Type.objects.all())         #doesn't work
        ageGroup = ModelChoiceField(queryset=AgeGroup.objects.all()) #doesn't work
        #breed = what method to use?
        #breedGroup = what method to use? 

        class Meta:
            model = Animal
            exclude = ['ftype', 'ageGroup', 'breed', 'breedGroup']

question from:https://stackoverflow.com/questions/65622918/how-to-create-a-form-in-django-from-a-model-with-multiple-foreignkey-and-manytom

Answer 1

Also in the Meta of your form you are excluding the fields you are trying to get data for. It should say

class Meta:
        model = Animal
        fields = ['type', 'ageGroup', 'breed', 'breedGroup']

Docs consulted: https://docs.djangoproject.com/en/3.1/topics/forms/modelforms/ https://docs.djangoproject.com/en/3.1/ref/models/fields/

**edit, removed comment about using type as a variable name.