Fix serializer method field hidden unique together (#9700) #9710
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auvipy
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May 27, 2025
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also can you please fix the failing tests as well?
| other_field = models.CharField(max_length=100, default="default_value") | ||
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| class Meta: | ||
| unique_together = [("name", "description")] |
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why not using unique constraint here?
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Please tidy the diff in this file. It's clearly AI generated file (even the commit is not hiding that fact), with extra verbose comments. It should follow the style of the surrounding code
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…e_together Ensures SerializerMethodFields shadowing model fields in uniqueness constraints aren't hidden.
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Fix: SerializerMethodField as HiddenField in unique_together
Corrects an issue where a
SerializerMethodFieldthat shares its namewith a model field involved in a
unique_togetherconstraint (orUniqueConstraint) could be incorrectly treated as aHiddenField.This typically occurred if the underlying model field was nullable or had
a default value, and the
SerializerMethodFieldwas not being correctlyprioritized during the uniqueness metadata processing.
The
ModelSerializer.get_uniqueness_extra_kwargsmethod has been updatedto ensure that if a field name corresponding to a model field in a
uniqueness constraint is explicitly declared as a
SerializerMethodFieldon the serializer, it is not converted into a
HiddenField.A test case has been added to
tests/test_model_serializer.py(
TestSerializerMethodFieldInUniqueTogether) to verify this behavior.