5.0: Update django.db.models.enums (#2148)

django-stubs/db/models/enums.pyi

@@ -8,10 +8,18 @@ _Self = TypeVar("_Self")
 
 if sys.version_info >= (3, 11):
     _enum_property = enum.property
+    EnumType = enum.EnumType
+    IntEnum = enum.IntEnum
+    StrEnum = enum.StrEnum
 else:
     _enum_property = property
+    EnumType = enum.EnumMeta
 
-class ChoicesMeta(enum.EnumMeta):
+    class ReprEnum(enum.Enum): ...
+    class IntEnum(int, ReprEnum): ...
+    class StrEnum(str, ReprEnum): ...
+
+class ChoicesMeta(EnumType):
     # There's a contradiction between mypy and PYI019 regarding metaclasses. Where mypy
     # disallows 'typing_extensions.Self' on metaclasses, while PYI019 try to enforce
     # 'typing_extensions.Self' for '__new__' methods.. We've chosen to ignore the
@@ -31,7 +39,7 @@ class ChoicesMeta(enum.EnumMeta):
 
 ChoicesType: TypeAlias = ChoicesMeta
 
-class Choices(enum.Enum, metaclass=ChoicesMeta):
+class Choices(enum.Enum, metaclass=ChoicesType):
     @property
     def label(self) -> str: ...
     @_enum_property
@@ -41,26 +49,26 @@ class Choices(enum.Enum, metaclass=ChoicesMeta):
 
 # fake, to keep simulate class properties
 @type_check_only
-class _IntegerChoicesMeta(ChoicesMeta):
+class _IntegerChoicesMeta(ChoicesType):
     @property
     def choices(self) -> list[tuple[int, str]]: ...
     @property
     def values(self) -> list[int]: ...
 
-class IntegerChoices(int, Choices, metaclass=_IntegerChoicesMeta):
+class IntegerChoices(Choices, IntEnum, metaclass=_IntegerChoicesMeta):
     def __new__(cls, value: int) -> Self: ...
     @_enum_property
     def value(self) -> int: ...
 
 # fake, to keep simulate class properties
 @type_check_only
-class _TextChoicesMeta(ChoicesMeta):
+class _TextChoicesMeta(ChoicesType):
     @property
     def choices(self) -> list[tuple[str, str]]: ...
     @property
     def values(self) -> list[str]: ...
 
-class TextChoices(str, Choices, metaclass=_TextChoicesMeta):
+class TextChoices(Choices, StrEnum, metaclass=_TextChoicesMeta):
     def __new__(cls, value: str) -> Self: ...
     @_enum_property
     def value(self) -> str: ...