Update core.files.storages for Django 5.1 (#2558)

From django/django@0b33a3a:

* `django.core.files.storage.filesystem.FileSystemStorage.__init__` updated

From django/django@e42defb:

* `django.core.files.storage.base.Storage.is_name_available` added

From django/django@f72f420:

* `django.test.signals.file_storage_changed` removed
* `django.core.files.storage.GET_STORAGE_CLASS_DEPRECATED_MSG` removed
* `django.core.files.storage.__all__` changed
* `django.core.files.storage.get_storage_class` removed

Author: adamchainz

django-stubs/core/files/storage/__init__.pyi

@@ -11,16 +11,11 @@ __all__ = (
     "Storage",
     "DefaultStorage",
     "default_storage",
-    "get_storage_class",
     "InvalidStorageError",
     "StorageHandler",
     "storages",
 )
 
-GET_STORAGE_CLASS_DEPRECATED_MSG: str
-
-def get_storage_class(import_path: str | None = None) -> type[Storage]: ...
-
 class DefaultStorage(LazyObject): ...
 
 storages: StorageHandler

django-stubs/core/files/storage/base.pyi

@@ -7,6 +7,7 @@ from django.utils._os import _PathCompatible
 class Storage:
     def open(self, name: str, mode: str = "rb") -> File: ...
     def save(self, name: str | None, content: IO[Any], max_length: int | None = None) -> str: ...
+    def is_name_available(self, name: str, max_length: int | None = None) -> bool: ...
     def get_valid_name(self, name: str) -> str: ...
     def get_alternative_name(self, file_root: str, file_ext: str) -> str: ...
     def get_available_name(self, name: str, max_length: int | None = None) -> str: ...

django-stubs/core/files/storage/filesystem.pyi

@@ -15,6 +15,7 @@ class FileSystemStorage(_Deconstructible, Storage, StorageSettingsMixin):
         base_url: str | None = None,
         file_permissions_mode: int | None = None,
         directory_permissions_mode: int | None = None,
+        allow_overwrite: bool = False,
     ) -> None: ...
     @cached_property
     def base_location(self) -> _PathCompatible: ...

django-stubs/test/signals.pyi

@@ -14,7 +14,6 @@ def storages_changed(*, setting: str, **kwargs: Any) -> None: ...
 def clear_serializers_cache(*, setting: str, **kwargs: Any) -> None: ...
 def language_changed(*, setting: str, **kwargs: Any) -> None: ...
 def localize_settings_changed(*, setting: str, **kwargs: Any) -> None: ...
-def file_storage_changed(*, setting: str, **kwargs: Any) -> None: ...
 def complex_setting_changed(*, setting: str, enter: bool, **kwargs: Any) -> None: ...
 def root_urlconf_changed(*, setting: str, **kwargs: Any) -> None: ...
 def static_storage_changed(*, setting: str, **kwargs: Any) -> None: ...

scripts/stubtest/allowlist_todo_django51.txt

@@ -57,15 +57,6 @@ django.contrib.postgres.fields.CIText
 django.contrib.postgres.fields.citext.CIText
 django.contrib.postgres.indexes.BTreeIndex.__init__
 django.contrib.postgres.indexes.OpClass.constraint_validation_compatible
-django.core.files.storage.FileSystemStorage.__init__
-django.core.files.storage.FileSystemStorage.is_name_available
-django.core.files.storage.GET_STORAGE_CLASS_DEPRECATED_MSG
-django.core.files.storage.Storage.is_name_available
-django.core.files.storage.__all__
-django.core.files.storage.base.Storage.is_name_available
-django.core.files.storage.filesystem.FileSystemStorage.__init__
-django.core.files.storage.filesystem.FileSystemStorage.is_name_available
-django.core.files.storage.get_storage_class
 django.core.signing.Signer.__init__
 django.db.backends.base.operations.BaseDatabaseOperations.bulk_insert_sql
 django.db.backends.base.operations.BaseDatabaseOperations.force_group_by
@@ -118,7 +109,6 @@ django.test.selenium.SeleniumTestCase.set_emulated_media
 django.test.selenium.SeleniumTestCase.small_screen_size
 django.test.selenium.SeleniumTestCase.take_screenshot
 django.test.selenium.screenshot_cases
-django.test.signals.file_storage_changed
 django.test.signals.form_renderer_changed
 django.test.utils.garbage_collect
 django.urls.resolvers.whitespace_set