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Description
Using SlugRelatedField(queryset=ContentType.objects.all(), slug_field='model',) used to work but doesn't anymore
models.py
class Foo(models.Model):
product_type = models.ForeignKey(
ContentType,
on_delete=models.CASCADE,
)serializers.py
from django.contrib.contenttypes.models import ContentType
from rest_framework import serializers
from .models import Foo
class FooSerializer(serializers.ModelSerializer):
class Meta:
model = Foo
content_type = serializers.SlugRelatedField(
queryset=ContentType.objects.all(),
slug_field='model',
)views.py
class FooViewSet(viewsets.ModelViewSet):
queryset = Foo.objects.all()
serializer_class = serializers.FooSerializer
filterset_fields = ['content_type']The expectation is to be able to filter by doing content_type=user but instead it throws the following error:
Select a valid choice. That choice is not one of the available choices, which doesn't make sense, especially since printing the choices show that "user" is the "model" attribute of one of them.
One possible workaround is to create a custom FilterSet class, but it doesn't do anything special to fix it, just a blank filter with the same references used at SlugRelatedField before, so its clear its redundant and drf should work without it:
class ContentTypeFilterSet(django_filters.FilterSet):
content_type = django_filters.ModelChoiceFilter(
field_name='content_type',
queryset=ContentType.objects.all(),
to_field_name='model',
label='Model'
)
class Meta:
model = Foo
fields = (
'content_type',
)Metadata
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