initial commit

django/db/utils.pyi

@@ -0,0 +1,46 @@
+from django.apps.config import AppConfig
+from django.db.backends.base.base import BaseDatabaseWrapper
+from django.db.backends.sqlite3.base import DatabaseWrapper
+from django.db.models.base import Model
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    List,
+)
+
+
+def load_backend(backend_name: str) -> Any: ...
+
+
+class ConnectionHandler:
+    def __getitem__(self, alias: str) -> BaseDatabaseWrapper: ...
+    def __init__(self, databases: Dict[str, Dict[str, str]] = ...) -> None: ...
+    def all(self) -> List[DatabaseWrapper]: ...
+    def close_all(self) -> None: ...
+    @cached_property
+    def databases(self) -> Dict[str, Dict[str, str]]: ...
+    def ensure_defaults(self, alias: str) -> None: ...
+    def prepare_test_settings(self, alias: str) -> None: ...
+
+
+class ConnectionRouter:
+    def __init__(self, routers: None = ...) -> None: ...
+    def allow_migrate(self, db: str, app_label: str, **hints) -> bool: ...
+    def allow_migrate_model(self, db: str, model: Any) -> bool: ...
+    def allow_relation(self, obj1: Model, obj2: Model, **hints) -> bool: ...
+    def get_migratable_models(
+        self,
+        app_config: AppConfig,
+        db: str,
+        include_auto_created: bool = ...
+    ) -> Any: ...
+    @cached_property
+    def routers(self) -> Any: ...
+
+
+class DatabaseErrorWrapper:
+    def __call__(self, func: Callable) -> Callable: ...
+    def __enter__(self) -> None: ...
+    def __exit__(self, exc_type: None, exc_value: None, traceback: None) -> None: ...
+    def __init__(self, wrapper: DatabaseWrapper) -> None: ...