Add BaseConstraint.violation_error_code (#1969)

Author: q0w

django-stubs/contrib/postgres/constraints.pyi

@@ -20,5 +20,6 @@ class ExclusionConstraint(BaseConstraint):
         deferrable: Deferrable | None = ...,
         include: list[str] | tuple[str] | None = ...,
         opclasses: list[str] | tuple[str] = ...,
+        violation_error_code: str | None = ...,
         violation_error_message: _StrOrPromise | None = ...,
     ) -> None: ...

django-stubs/db/models/constraints.pyi

@@ -15,6 +15,7 @@ class Deferrable(Enum):
 
 class BaseConstraint:
     name: str
+    violation_error_code: str | None
     violation_error_message: _StrOrPromise | None
     default_violation_error_message: _StrOrPromise
     def __init__(self, name: str, violation_error_message: _StrOrPromise | None = ...) -> None: ...
@@ -27,7 +28,12 @@ class BaseConstraint:
 class CheckConstraint(BaseConstraint):
     check: Q | BaseExpression
     def __init__(
-        self, *, check: Q | BaseExpression, name: str, violation_error_message: _StrOrPromise | None = ...
+        self,
+        *,
+        check: Q | BaseExpression,
+        name: str,
+        violation_error_code: str | None = ...,
+        violation_error_message: _StrOrPromise | None = ...,
     ) -> None: ...
 
 class UniqueConstraint(BaseConstraint):
@@ -46,6 +52,7 @@ class UniqueConstraint(BaseConstraint):
         deferrable: Deferrable | None = ...,
         include: Sequence[str] | None = ...,
         opclasses: Sequence[Any] = ...,
+        violation_error_code: str | None = ...,
         violation_error_message: _StrOrPromise | None = ...,
     ) -> None: ...
     @overload

scripts/stubtest/allowlist_todo_django50.txt

@@ -50,9 +50,7 @@ django.contrib.gis.admin.options.spherical_mercator_srid
 django.contrib.gis.admin.widgets
 django.contrib.gis.db.backends.spatialite.schema.SpatialiteSchemaEditor.alter_db_table
 django.contrib.gis.db.models.BaseConstraint.__init__
-django.contrib.gis.db.models.BaseConstraint.violation_error_code
 django.contrib.gis.db.models.Case.allowed_default
-django.contrib.gis.db.models.CheckConstraint.__init__
 django.contrib.gis.db.models.ExpressionWrapper.allowed_default
 django.contrib.gis.db.models.F.allowed_default
 django.contrib.gis.db.models.Field.__init__
@@ -160,9 +158,7 @@ django.db.backends.sqlite3.schema.DatabaseSchemaEditor.sql_alter_table_comment
 django.db.backends.utils.CursorWrapper.APPS_NOT_READY_WARNING_MSG
 django.db.migrations.serializer.BaseUnorderedSequenceSerializer
 django.db.models.BaseConstraint.__init__
-django.db.models.BaseConstraint.violation_error_code
 django.db.models.Case.allowed_default
-django.db.models.CheckConstraint.__init__
 django.db.models.ExpressionWrapper.allowed_default
 django.db.models.F.allowed_default
 django.db.models.Field.__init__
@@ -183,8 +179,6 @@ django.db.models.QuerySet.update_or_create
 django.db.models.Value.allowed_default
 django.db.models.When.allowed_default
 django.db.models.constraints.BaseConstraint.__init__
-django.db.models.constraints.BaseConstraint.violation_error_code
-django.db.models.constraints.CheckConstraint.__init__
 django.db.models.expressions.BaseExpression.allowed_default
 django.db.models.expressions.Case.allowed_default
 django.db.models.expressions.CombinedExpression.allowed_default