add stubs for admin_changeset tests

django-stubs/contrib/admin/options.pyi

@@ -1,5 +1,5 @@
 from collections import OrderedDict
-from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Type, Union
+from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Type, Union, Sequence
 
 from django.contrib.admin.filters import SimpleListFilter
 from django.contrib.admin.models import LogEntry
@@ -94,13 +94,13 @@ class BaseModelAdmin:
 
 class ModelAdmin(BaseModelAdmin):
     formfield_overrides: Any
-    list_display: Any = ...
-    list_display_links: Any = ...
-    list_filter: Any = ...
-    list_select_related: bool = ...
+    list_display: Sequence[str] = ...
+    list_display_links: Sequence[str] = ...
+    list_filter: Sequence[str] = ...
+    list_select_related: Sequence[str] = ...
     list_per_page: int = ...
     list_max_show_all: int = ...
-    list_editable: Any = ...
+    list_editable: Sequence[str] = ...
     search_fields: Any = ...
     date_hierarchy: Any = ...
     save_as: bool = ...
@@ -167,17 +167,17 @@ class ModelAdmin(BaseModelAdmin):
         self, request: WSGIRequest, default_choices: List[Tuple[str, str]] = ...
     ) -> List[Tuple[str, str]]: ...
     def get_action(self, action: Union[Callable, str]) -> Tuple[Callable, str, str]: ...
-    def get_list_display(self, request: WSGIRequest) -> Union[List[Callable], List[str], Tuple[str]]: ...
-    def get_list_display_links(
-        self, request: WSGIRequest, list_display: Union[List[Callable], List[str], Tuple[str]]
-    ) -> Optional[Union[List[Callable], List[str], Tuple[str]]]: ...
-    def get_list_filter(self, request: WSGIRequest) -> Union[List[Type[SimpleListFilter]], List[str], Tuple]: ...
-    def get_list_select_related(self, request: WSGIRequest) -> Union[Tuple, bool]: ...
-    def get_search_fields(self, request: WSGIRequest) -> Union[List[str], Tuple]: ...
+    def get_list_display(self, request: WSGIRequest) -> Sequence[str]: ...
+    def get_list_display_links(self, request: WSGIRequest, list_display: Sequence[str]) -> Optional[Sequence[str]]: ...
+    def get_list_filter(self, request: WSGIRequest) -> Sequence[str]: ...
+    def get_list_select_related(self, request: WSGIRequest) -> Sequence[str]: ...
+    def get_search_fields(self, request: WSGIRequest) -> List[str]: ...
     def get_search_results(
         self, request: WSGIRequest, queryset: QuerySet, search_term: str
     ) -> Tuple[QuerySet, bool]: ...
     def get_preserved_filters(self, request: WSGIRequest) -> str: ...
+    def _get_edited_object_pks(self, request: WSGIRequest, prefix: str) -> List[str]: ...
+    def _get_list_editable_queryset(self, request: WSGIRequest, prefix: str) -> QuerySet: ...
     def construct_change_message(
         self, request: WSGIRequest, form: AdminPasswordChangeForm, formsets: None, add: bool = ...
     ) -> List[Dict[str, Dict[str, List[str]]]]: ...

django-stubs/contrib/admin/sites.pyi

@@ -26,6 +26,7 @@ class AdminSite:
     password_change_template: Any = ...
     password_change_done_template: Any = ...
     name: str = ...
+    _registry: Dict[Type[Model], ModelAdmin]
     def __init__(self, name: str = ...) -> None: ...
     def check(self, app_configs: None) -> List[str]: ...
     def register(

django-stubs/contrib/admin/templatetags/admin_list.pyi

@@ -1,4 +1,4 @@
-from typing import Any, Dict, Iterator, List, Optional, Union
+from typing import Any, Dict, Iterator, List, Optional, Union, Iterable
 
 from django.contrib.admin.filters import FieldListFilter
 from django.contrib.admin.templatetags.base import InclusionAdminNode
@@ -15,7 +15,7 @@ register: Any
 DOT: str
 
 def paginator_number(cl: ChangeList, i: int) -> SafeText: ...
-def pagination(cl: ChangeList) -> Dict[str, Union[List[Union[int, str]], ChangeList, int, range, str]]: ...
+def pagination(cl: ChangeList) -> Dict[str, Iterable[Any]]: ...
 def pagination_tag(parser: Parser, token: Token) -> InclusionAdminNode: ...
 def result_headers(cl: ChangeList) -> Iterator[Dict[str, Optional[Union[int, str]]]]: ...
 def items_for_result(cl: ChangeList, result: Model, form: None) -> Iterator[SafeText]: ...

django-stubs/contrib/admin/views/main.pyi

@@ -9,6 +9,7 @@ from django.db.models.expressions import Combinable, CombinedExpression, OrderBy
 from django.db.models.query import QuerySet
 
 from django.db.models.options import Options
+from django.forms.formsets import BaseFormSet
 
 ALL_VAR: str
 ORDER_VAR: str
@@ -44,6 +45,7 @@ class ChangeList:
     queryset: Any = ...
     title: Any = ...
     pk_attname: Any = ...
+    formset: Optional[BaseFormSet]
     def __init__(
         self,
         request: WSGIRequest,

django-stubs/db/models/expressions.pyi

@@ -111,6 +111,8 @@ class F(Combinable):
         summarize: bool = ...,
         for_save: bool = ...,
     ) -> Expression: ...
+    def asc(self, **kwargs) -> OrderBy: ...
+    def desc(self, **kwargs) -> OrderBy: ...
 
 class OuterRef(F): ...
 

django-stubs/db/models/functions/__init__.pyi

@@ -1 +1 @@
-from .text import Lower as Lower
+from .text import Lower as Lower, Upper as Upper

django-stubs/db/models/query_utils.pyi

@@ -58,6 +58,8 @@ class RegisterLookupMixin:
     def merge_dicts(dicts: List[Dict[str, Any]]) -> Dict[str, Any]: ...
     @classmethod
     def register_lookup(cls, lookup: Any, lookup_name: Optional[str] = ...) -> Type[Any]: ...
+    @classmethod
+    def _unregister_lookup(cls, lookup: Any, lookup_name: Optional[str] = ...): ...
 
 def select_related_descend(
     field: Field,

scripts/typecheck_tests.py

@@ -21,12 +21,16 @@ IGNORED_ERROR_PATTERNS = [
     'Cannot infer type of lambda',
     'Incompatible types in assignment (expression has type "Callable[',
     'Invalid value for a to= parameter',
+    'Incompatible types in assignment (expression has type "FilteredChildAdmin", variable has type "ChildAdmin")',
     re.compile(r'"Callable\[\[(Any(, )?)+\], Any\]" has no attribute'),
     re.compile(r'"HttpResponseBase" has no attribute "[A-Za-z_]+"'),
+    re.compile(r'Incompatible types in assignment \(expression has type "Tuple\[\]", '
+               r'variable has type "Tuple\[[A-Za-z, ]+\]"'),
 ]
 TESTS_DIRS = [
     'absolute_url_overrides',
-    'admin_autodiscover'
+    'admin_autodiscover',
+    'admin_changelist',
 ]