Use PEP 585 syntax in Python 2, protobuf & _ast stubs, where possible (#6949)

stdlib/@python2/inspect.pyi

@@ -1,5 +1,5 @@
 from types import CodeType, FrameType, FunctionType, MethodType, ModuleType, TracebackType
-from typing import Any, AnyStr, Callable, Dict, List, NamedTuple, Optional, Sequence, Tuple, Type, Union
+from typing import Any, AnyStr, Callable, NamedTuple, Optional, Sequence, Union
 
 # Types and members
 class EndOfBlock(Exception): ...
@@ -11,7 +11,7 @@ class BlockFinder:
     passline: bool
     last: int
     def tokeneater(
-        self, type: int, token: AnyStr, srow_scol: Tuple[int, int], erow_ecol: Tuple[int, int], line: AnyStr
+        self, type: int, token: AnyStr, srow_scol: tuple[int, int], erow_ecol: tuple[int, int], line: AnyStr
     ) -> None: ...
 
 CO_GENERATOR: int
@@ -29,7 +29,7 @@ class ModuleInfo(NamedTuple):
     mode: str
     module_type: int
 
-def getmembers(object: object, predicate: Callable[[Any], bool] | None = ...) -> List[Tuple[str, Any]]: ...
+def getmembers(object: object, predicate: Callable[[Any], bool] | None = ...) -> list[tuple[str, Any]]: ...
 def getmoduleinfo(path: str | unicode) -> ModuleInfo | None: ...
 def getmodulename(path: AnyStr) -> AnyStr | None: ...
 def ismodule(object: object) -> bool: ...
@@ -50,9 +50,9 @@ def isgetsetdescriptor(object: object) -> bool: ...
 def ismemberdescriptor(object: object) -> bool: ...
 
 # Retrieving source code
-_SourceObjectType = Union[ModuleType, Type[Any], MethodType, FunctionType, TracebackType, FrameType, CodeType, Callable[..., Any]]
+_SourceObjectType = Union[ModuleType, type[Any], MethodType, FunctionType, TracebackType, FrameType, CodeType, Callable[..., Any]]
 
-def findsource(object: _SourceObjectType) -> Tuple[List[str], int]: ...
+def findsource(object: _SourceObjectType) -> tuple[list[str], int]: ...
 def getabsfile(object: _SourceObjectType) -> str: ...
 def getblock(lines: Sequence[AnyStr]) -> Sequence[AnyStr]: ...
 def getdoc(object: object) -> str | None: ...
@@ -60,28 +60,28 @@ def getcomments(object: object) -> str | None: ...
 def getfile(object: _SourceObjectType) -> str: ...
 def getmodule(object: object) -> ModuleType | None: ...
 def getsourcefile(object: _SourceObjectType) -> str | None: ...
-def getsourcelines(object: _SourceObjectType) -> Tuple[List[str], int]: ...
+def getsourcelines(object: _SourceObjectType) -> tuple[list[str], int]: ...
 def getsource(object: _SourceObjectType) -> str: ...
 def cleandoc(doc: AnyStr) -> AnyStr: ...
 def indentsize(line: str | unicode) -> int: ...
 
 # Classes and functions
-def getclasstree(classes: List[type], unique: bool = ...) -> List[Tuple[type, Tuple[type, ...]] | List[Any]]: ...
+def getclasstree(classes: list[type], unique: bool = ...) -> list[tuple[type, tuple[type, ...]] | list[Any]]: ...
 
 class ArgSpec(NamedTuple):
-    args: List[str]
+    args: list[str]
     varargs: str | None
     keywords: str | None
-    defaults: Tuple[Any, ...]
+    defaults: tuple[Any, ...]
 
 class ArgInfo(NamedTuple):
-    args: List[str]
+    args: list[str]
     varargs: str | None
     keywords: str | None
-    locals: Dict[str, Any]
+    locals: dict[str, Any]
 
 class Arguments(NamedTuple):
-    args: List[str | List[Any]]
+    args: list[str | list[Any]]
     varargs: str | None
     keywords: str | None
 
@@ -94,8 +94,8 @@ def formatargspec(
 def formatargvalues(
     args, varargs=..., varkw=..., defaults=..., formatarg=..., formatvarargs=..., formatvarkw=..., formatvalue=..., join=...
 ) -> str: ...
-def getmro(cls: type) -> Tuple[type, ...]: ...
-def getcallargs(func, *args, **kwds) -> Dict[str, Any]: ...
+def getmro(cls: type) -> tuple[type, ...]: ...
+def getcallargs(func, *args, **kwds) -> dict[str, Any]: ...
 
 # The interpreter stack
 
@@ -103,18 +103,18 @@ class Traceback(NamedTuple):
     filename: str
     lineno: int
     function: str
-    code_context: List[str] | None
+    code_context: list[str] | None
     index: int | None  # type: ignore
 
-_FrameInfo = Tuple[FrameType, str, int, str, Optional[List[str]], Optional[int]]
+_FrameInfo = tuple[FrameType, str, int, str, Optional[list[str]], Optional[int]]
 
-def getouterframes(frame: FrameType, context: int = ...) -> List[_FrameInfo]: ...
+def getouterframes(frame: FrameType, context: int = ...) -> list[_FrameInfo]: ...
 def getframeinfo(frame: FrameType | TracebackType, context: int = ...) -> Traceback: ...
-def getinnerframes(traceback: TracebackType, context: int = ...) -> List[_FrameInfo]: ...
+def getinnerframes(traceback: TracebackType, context: int = ...) -> list[_FrameInfo]: ...
 def getlineno(frame: FrameType) -> int: ...
 def currentframe(depth: int = ...) -> FrameType: ...
-def stack(context: int = ...) -> List[_FrameInfo]: ...
-def trace(context: int = ...) -> List[_FrameInfo]: ...
+def stack(context: int = ...) -> list[_FrameInfo]: ...
+def trace(context: int = ...) -> list[_FrameInfo]: ...
 
 # Create private type alias to avoid conflict with symbol of same
 # name created in Attribute class.
@@ -126,4 +126,4 @@ class Attribute(NamedTuple):
     defining_class: type
     object: _Object
 
-def classify_class_attrs(cls: type) -> List[Attribute]: ...
+def classify_class_attrs(cls: type) -> list[Attribute]: ...