[stdlib] Mark constants as Final (#14577)

Author: donbarbos

stdlib/_ast.pyi

@@ -108,7 +108,7 @@ from ast import (
     unaryop as unaryop,
     withitem as withitem,
 )
-from typing import Literal
+from typing import Final
 
 if sys.version_info >= (3, 12):
     from ast import (
@@ -137,9 +137,9 @@ if sys.version_info >= (3, 10):
         pattern as pattern,
     )
 
-PyCF_ALLOW_TOP_LEVEL_AWAIT: Literal[8192]
-PyCF_ONLY_AST: Literal[1024]
-PyCF_TYPE_COMMENTS: Literal[4096]
+PyCF_ALLOW_TOP_LEVEL_AWAIT: Final = 8192
+PyCF_ONLY_AST: Final = 1024
+PyCF_TYPE_COMMENTS: Final = 4096
 
 if sys.version_info >= (3, 13):
-    PyCF_OPTIMIZED_AST: Literal[33792]
+    PyCF_OPTIMIZED_AST: Final = 33792

stdlib/_blake2.pyi

@@ -1,15 +1,15 @@
 from _typeshed import ReadableBuffer
-from typing import ClassVar, final
+from typing import ClassVar, Final, final
 from typing_extensions import Self
 
-BLAKE2B_MAX_DIGEST_SIZE: int = 64
-BLAKE2B_MAX_KEY_SIZE: int = 64
-BLAKE2B_PERSON_SIZE: int = 16
-BLAKE2B_SALT_SIZE: int = 16
-BLAKE2S_MAX_DIGEST_SIZE: int = 32
-BLAKE2S_MAX_KEY_SIZE: int = 32
-BLAKE2S_PERSON_SIZE: int = 8
-BLAKE2S_SALT_SIZE: int = 8
+BLAKE2B_MAX_DIGEST_SIZE: Final = 64
+BLAKE2B_MAX_KEY_SIZE: Final = 64
+BLAKE2B_PERSON_SIZE: Final = 16
+BLAKE2B_SALT_SIZE: Final = 16
+BLAKE2S_MAX_DIGEST_SIZE: Final = 32
+BLAKE2S_MAX_KEY_SIZE: Final = 32
+BLAKE2S_PERSON_SIZE: Final = 8
+BLAKE2S_SALT_SIZE: Final = 8
 
 @final
 class blake2b:

stdlib/_compat_pickle.pyi

@@ -1,8 +1,10 @@
-IMPORT_MAPPING: dict[str, str]
-NAME_MAPPING: dict[tuple[str, str], tuple[str, str]]
-PYTHON2_EXCEPTIONS: tuple[str, ...]
-MULTIPROCESSING_EXCEPTIONS: tuple[str, ...]
-REVERSE_IMPORT_MAPPING: dict[str, str]
-REVERSE_NAME_MAPPING: dict[tuple[str, str], tuple[str, str]]
-PYTHON3_OSERROR_EXCEPTIONS: tuple[str, ...]
-PYTHON3_IMPORTERROR_EXCEPTIONS: tuple[str, ...]
+from typing import Final
+
+IMPORT_MAPPING: Final[dict[str, str]]
+NAME_MAPPING: Final[dict[tuple[str, str], tuple[str, str]]]
+PYTHON2_EXCEPTIONS: Final[tuple[str, ...]]
+MULTIPROCESSING_EXCEPTIONS: Final[tuple[str, ...]]
+REVERSE_IMPORT_MAPPING: Final[dict[str, str]]
+REVERSE_NAME_MAPPING: Final[dict[tuple[str, str], tuple[str, str]]]
+PYTHON3_OSERROR_EXCEPTIONS: Final[tuple[str, ...]]
+PYTHON3_IMPORTERROR_EXCEPTIONS: Final[tuple[str, ...]]

stdlib/_ctypes.pyi

@@ -5,24 +5,24 @@ from abc import abstractmethod
 from collections.abc import Callable, Iterable, Iterator, Mapping, Sequence
 from ctypes import CDLL, ArgumentError as ArgumentError, c_void_p
 from types import GenericAlias
-from typing import Any, ClassVar, Generic, TypeVar, final, overload, type_check_only
+from typing import Any, ClassVar, Final, Generic, TypeVar, final, overload, type_check_only
 from typing_extensions import Self, TypeAlias
 
 _T = TypeVar("_T")
 _CT = TypeVar("_CT", bound=_CData)
 
-FUNCFLAG_CDECL: int
-FUNCFLAG_PYTHONAPI: int
-FUNCFLAG_USE_ERRNO: int
-FUNCFLAG_USE_LASTERROR: int
-RTLD_GLOBAL: int
-RTLD_LOCAL: int
+FUNCFLAG_CDECL: Final = 0x1
+FUNCFLAG_PYTHONAPI: Final = 0x4
+FUNCFLAG_USE_ERRNO: Final = 0x8
+FUNCFLAG_USE_LASTERROR: Final = 0x10
+RTLD_GLOBAL: Final[int]
+RTLD_LOCAL: Final[int]
 
 if sys.version_info >= (3, 11):
-    CTYPES_MAX_ARGCOUNT: int
+    CTYPES_MAX_ARGCOUNT: Final[int]
 
 if sys.version_info >= (3, 12):
-    SIZEOF_TIME_T: int
+    SIZEOF_TIME_T: Final[int]
 
 if sys.platform == "win32":
     # Description, Source, HelpFile, HelpContext, scode
@@ -37,8 +37,8 @@ if sys.platform == "win32":
 
     def CopyComPointer(src: _PointerLike, dst: _PointerLike | _CArgObject) -> int: ...
 
-    FUNCFLAG_HRESULT: int
-    FUNCFLAG_STDCALL: int
+    FUNCFLAG_HRESULT: Final = 0x2
+    FUNCFLAG_STDCALL: Final = 0x0
 
     def FormatError(code: int = ...) -> str: ...
     def get_last_error() -> int: ...