move django.core stubs

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

@@ -0,0 +1,22 @@
+from typing import Any, Callable, Dict, Optional, Union
+
+from django.core.cache.backends.base import BaseCache
+
+class FileBasedCache(BaseCache):
+    default_timeout: int
+    key_func: Callable
+    key_prefix: str
+    version: int
+    cache_suffix: str = ...
+    def __init__(self, dir: str, params: Dict[str, Union[Callable, Dict[str, int], int, str]]) -> None: ...
+    def add(
+        self, key: str, value: Union[Dict[str, int], bytes, int, str], timeout: Any = ..., version: Optional[int] = ...
+    ) -> bool: ...
+    def get(
+        self, key: str, default: Optional[Union[int, str]] = ..., version: Optional[int] = ...
+    ) -> Optional[str]: ...
+    def set(self, key: str, value: Any, timeout: Any = ..., version: Optional[int] = ...) -> None: ...
+    def touch(self, key: str, timeout: Any = ..., version: None = ...) -> bool: ...
+    def delete(self, key: str, version: Optional[int] = ...) -> None: ...
+    def has_key(self, key: str, version: Optional[int] = ...) -> bool: ...
+    def clear(self) -> None: ...