Add memcache_key_warnings() (#1562)

* Stub memcache_key_warnings

Stubs the function memcache_key_warnings

* Remove from todo

* Apply suggestions from code review

Co-authored-by: Nikita Sobolev <[email protected]>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

---------

Co-authored-by: Adam Johnson <[email protected]>
Co-authored-by: Nikita Sobolev <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 4 people

django-stubs/core/cache/backends/base.pyi

@@ -1,4 +1,4 @@
-from collections.abc import Callable, Iterable
+from collections.abc import Callable, Iterable, Iterator
 from typing import Any
 
 from django.core.exceptions import ImproperlyConfigured
@@ -65,3 +65,5 @@ class BaseCache:
     async def adecr_version(self, key: Any, delta: int = ..., version: int | None = ...) -> int: ...
     def close(self, **kwargs: Any) -> None: ...
     async def aclose(self, **kwargs: Any) -> None: ...
+
+def memcache_key_warnings(key: str) -> Iterator[str]: ...

scripts/stubtest/allowlist_todo.txt

@@ -792,7 +792,6 @@ django.contrib.staticfiles.management.commands.collectstatic
 django.contrib.staticfiles.management.commands.findstatic.Command.handle_label
 django.contrib.staticfiles.storage
 django.core.cache.InvalidCacheKey
-django.core.cache.backends.base.memcache_key_warnings
 django.core.cache.backends.db.DatabaseCache.pickle_protocol
 django.core.cache.backends.filebased.FileBasedCache.pickle_protocol
 django.core.cache.backends.locmem.LocMemCache.pickle_protocol