stdlib: Fix more signatures with unrepresentable defaults (#11007)

Author: JelleZijlstra

stdlib/_warnings.pyi

@@ -1,13 +1,36 @@
+import sys
 from typing import Any, overload
 
 _defaultaction: str
 _onceregistry: dict[Any, Any]
 filters: list[tuple[str, str | None, type[Warning], str | None, int]]
 
-@overload
-def warn(message: str, category: type[Warning] | None = None, stacklevel: int = 1, source: Any | None = None) -> None: ...
-@overload
-def warn(message: Warning, category: Any = None, stacklevel: int = 1, source: Any | None = None) -> None: ...
+if sys.version_info >= (3, 12):
+    @overload
+    def warn(
+        message: str,
+        category: type[Warning] | None = None,
+        stacklevel: int = 1,
+        source: Any | None = None,
+        *,
+        skip_file_prefixes: tuple[str, ...] = (),
+    ) -> None: ...
+    @overload
+    def warn(
+        message: Warning,
+        category: Any = None,
+        stacklevel: int = 1,
+        source: Any | None = None,
+        *,
+        skip_file_prefixes: tuple[str, ...] = (),
+    ) -> None: ...
+
+else:
+    @overload
+    def warn(message: str, category: type[Warning] | None = None, stacklevel: int = 1, source: Any | None = None) -> None: ...
+    @overload
+    def warn(message: Warning, category: Any = None, stacklevel: int = 1, source: Any | None = None) -> None: ...
+
 @overload
 def warn_explicit(
     message: str,

stdlib/builtins.pyi

@@ -1434,9 +1434,9 @@ def getattr(__o: object, __name: str, __default: None) -> Any | None: ...
 @overload
 def getattr(__o: object, __name: str, __default: bool) -> Any | bool: ...
 @overload
-def getattr(__o: object, name: str, __default: list[Any]) -> Any | list[Any]: ...
+def getattr(__o: object, __name: str, __default: list[Any]) -> Any | list[Any]: ...
 @overload
-def getattr(__o: object, name: str, __default: dict[Any, Any]) -> Any | dict[Any, Any]: ...
+def getattr(__o: object, __name: str, __default: dict[Any, Any]) -> Any | dict[Any, Any]: ...
 @overload
 def getattr(__o: object, __name: str, __default: _T) -> Any | _T: ...
 def globals() -> dict[str, Any]: ...
@@ -1451,13 +1451,13 @@ class _GetItemIterable(Protocol[_T_co]):
     def __getitem__(self, __i: int) -> _T_co: ...
 
 @overload
-def iter(__iterable: SupportsIter[_SupportsNextT]) -> _SupportsNextT: ...
+def iter(__object: SupportsIter[_SupportsNextT]) -> _SupportsNextT: ...
 @overload
-def iter(__iterable: _GetItemIterable[_T]) -> Iterator[_T]: ...
+def iter(__object: _GetItemIterable[_T]) -> Iterator[_T]: ...
 @overload
-def iter(__function: Callable[[], _T | None], __sentinel: None) -> Iterator[_T]: ...
+def iter(__object: Callable[[], _T | None], __sentinel: None) -> Iterator[_T]: ...
 @overload
-def iter(__function: Callable[[], _T], __sentinel: object) -> Iterator[_T]: ...
+def iter(__object: Callable[[], _T], __sentinel: object) -> Iterator[_T]: ...
 
 # Keep this alias in sync with unittest.case._ClassInfo
 if sys.version_info >= (3, 10):

stdlib/codecs.pyi

@@ -213,7 +213,7 @@ class StreamWriter(Codec):
     def reset(self) -> None: ...
     def __enter__(self) -> Self: ...
     def __exit__(self, type: type[BaseException] | None, value: BaseException | None, tb: types.TracebackType | None) -> None: ...
-    def __getattr__(self, name: str, getattr: Callable[[str], Any] = ...) -> Any: ...
+    def __getattr__(self, name: str, getattr: Callable[[Any, str], Any] = ...) -> Any: ...
 
 class StreamReader(Codec):
     stream: _ReadableStream
@@ -227,7 +227,7 @@ class StreamReader(Codec):
     def __exit__(self, type: type[BaseException] | None, value: BaseException | None, tb: types.TracebackType | None) -> None: ...
     def __iter__(self) -> Self: ...
     def __next__(self) -> str: ...
-    def __getattr__(self, name: str, getattr: Callable[[str], Any] = ...) -> Any: ...
+    def __getattr__(self, name: str, getattr: Callable[[Any, str], Any] = ...) -> Any: ...
 
 # Doesn't actually inherit from TextIO, but wraps a BinaryIO to provide text reading and writing
 # and delegates attributes to the underlying binary stream with __getattr__.

stdlib/collections/__init__.pyi

@@ -372,6 +372,13 @@ class OrderedDict(dict[_KT, _VT], Reversible[_KT], Generic[_KT, _VT]):
     def setdefault(self: OrderedDict[_KT, _T | None], key: _KT, default: None = None) -> _T | None: ...
     @overload
     def setdefault(self, key: _KT, default: _VT) -> _VT: ...
+    # Same as dict.pop, but accepts keyword arguments
+    @overload
+    def pop(self, key: _KT) -> _VT: ...
+    @overload
+    def pop(self, key: _KT, default: _VT) -> _VT: ...
+    @overload
+    def pop(self, key: _KT, default: _T) -> _VT | _T: ...
     def __eq__(self, __value: object) -> bool: ...
     if sys.version_info >= (3, 9):
         @overload

stdlib/contextvars.pyi

@@ -23,17 +23,10 @@ class ContextVar(Generic[_T]):
     def name(self) -> str: ...
     @overload
     def get(self) -> _T: ...
-    if sys.version_info >= (3, 8):
-        @overload
-        def get(self, default: _T) -> _T: ...
-        @overload
-        def get(self, default: _D) -> _D | _T: ...
-    else:
-        @overload
-        def get(self, __default: _T) -> _T: ...
-        @overload
-        def get(self, __default: _D) -> _D | _T: ...
-
+    @overload
+    def get(self, __default: _T) -> _T: ...
+    @overload
+    def get(self, __default: _D) -> _D | _T: ...
     def set(self, __value: _T) -> Token[_T]: ...
     def reset(self, __token: Token[_T]) -> None: ...
     if sys.version_info >= (3, 9):

stdlib/sqlite3/dbapi2.pyi

@@ -349,9 +349,9 @@ class Connection:
         def create_function(self, name: str, num_params: int, func: Callable[..., _SqliteData] | None) -> None: ...
 
     @overload
-    def cursor(self, cursorClass: None = None) -> Cursor: ...
+    def cursor(self, factory: None = None) -> Cursor: ...
     @overload
-    def cursor(self, cursorClass: Callable[[Connection], _CursorT]) -> _CursorT: ...
+    def cursor(self, factory: Callable[[Connection], _CursorT]) -> _CursorT: ...
     def execute(self, __sql: str, __parameters: _Parameters = ...) -> Cursor: ...
     def executemany(self, __sql: str, __parameters: Iterable[_Parameters]) -> Cursor: ...
     def executescript(self, __sql_script: str) -> Cursor: ...