normalize field.verbose_name

Author: provinzkraut

litestar_django/dto.py

@@ -100,7 +100,9 @@ def get_field_type(cls, field: Field, type_map: dict[type[AnyField], Any]) -> An
     def get_field_constraints(cls, field: AnyField) -> KwargDefinition:
         constraints = {}
         if isinstance(field, Field):
-            constraints["title"] = field.verbose_name
+            constraints["title"] = (
+                str(field.verbose_name) if field.verbose_name else field.name
+            )  # might be a proxy
 
             if field.help_text:
                 constraints["description"] = field.help_text
@@ -153,7 +155,7 @@ def get_field_constraints(cls, field: AnyField) -> KwargDefinition:
         else:
             constraints["title"] = field.name
 
-        return KwargDefinition(**constraints)
+        return KwargDefinition(**constraints)  # type: ignore[arg-type]
 
     @classmethod
     def create_constraints_for_validator(

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "litestar-django"
-version = "0.1.0"
+version = "0.1.1"
 description = "Django model support for Litestar"
 readme = "README.md"
 license = { text = "MIT" }

tests/some_app/app/models.py

@@ -4,6 +4,7 @@
 import enumfields
 from django.core import validators
 from django.db import models
+from django.utils.translation import gettext
 
 
 class StdEnum(str, enum.Enum):
@@ -117,6 +118,11 @@ class ModelWithFields(models.Model):
         max_length=100,
     )
 
+    field_with_non_string_verbose_name = models.CharField(
+        max_length=100,
+        verbose_name=gettext("Some field"),
+    )
+
 
 class ModelInvalidRegexValidator(models.Model):
     invalid_regex_validator = models.CharField(

tests/test_dto_field_definitions.py

@@ -311,6 +311,22 @@ def test_basic_field_types() -> None:
         ),
     )
 
+    assert field_defs[
+        "field_with_non_string_verbose_name"
+    ] == DTOFieldDefinition.from_field_definition(
+        model_name="ModelWithFields",
+        default_factory=None,
+        dto_field=DTOField(),
+        field_definition=FieldDefinition.from_annotation(
+            str,
+            name="field_with_non_string_verbose_name",
+            kwarg_definition=KwargDefinition(
+                title="Some field",
+                max_length=100,
+            ),
+        ),
+    )
+
 
 def test_invalid_regex_validator() -> None:
     dto_type = DjangoModelDTO[ModelInvalidRegexValidator]