From 83d6736217f03993ce1dc0649bb2143cc17a39c4 Mon Sep 17 00:00:00 2001
From: Max Muoto <maxmuoto@gmail.com>
Date: Sat, 27 Dec 2025 04:18:16 -0600
Subject: [PATCH] [codecs] Add 3.14 `codecs.open` deprecation (#15174)

---
 stdlib/codecs.pyi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/stdlib/codecs.pyi b/stdlib/codecs.pyi
index fa4d4fd4b..4dfe3fd9e 100644
--- a/stdlib/codecs.pyi
+++ b/stdlib/codecs.pyi
@@ -5,7 +5,7 @@ from _typeshed import ReadableBuffer
 from abc import abstractmethod
 from collections.abc import Callable, Generator, Iterable
 from typing import Any, BinaryIO, ClassVar, Final, Literal, Protocol, TextIO, overload, type_check_only
-from typing_extensions import Self, TypeAlias, disjoint_base
+from typing_extensions import Self, TypeAlias, deprecated, disjoint_base
 
 __all__ = [
     "register",
@@ -191,6 +191,7 @@ def getincrementaldecoder(encoding: _BufferedEncoding) -> _BufferedIncrementalDe
 def getincrementaldecoder(encoding: str) -> _IncrementalDecoder: ...
 def getreader(encoding: str) -> _StreamReader: ...
 def getwriter(encoding: str) -> _StreamWriter: ...
+@deprecated("Deprecated since Python 3.14. Use `open()` instead.")
 def open(
     filename: str, mode: str = "r", encoding: str | None = None, errors: str = "strict", buffering: int = -1
 ) -> StreamReaderWriter: ...