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# Type hints copied from the typeshed project under the Apache License 2.0 # https://github.com/python/typeshed/blob/64c85cdd449ccaff90b546676220c9ecfa6e697f/LICENSE import sys from types import TracebackType from typing import ( IO, Any, AsyncContextManager, AsyncIterator, Awaitable, Callable, ContextManager, Iterator, Optional, Type, TypeVar, overload, ) from typing_extensions import ParamSpec, Protocol # contextlib2 API adaptation notes: # * the various 'if True:' guards replace sys.version checks in the original # typeshed file (those APIs are available on all supported versions) # * deliberately omitted APIs are listed in `dev/mypy.allowlist` # (e.g. deprecated experimental APIs that never graduated to the stdlib) AbstractContextManager = ContextManager if True: AbstractAsyncContextManager = AsyncContextManager _T = TypeVar("_T") _T_co = TypeVar("_T_co", covariant=True) _T_io = TypeVar("_T_io", bound=Optional[IO[str]]) _F = TypeVar("_F", bound=Callable[..., Any]) _P = ParamSpec("_P") _ExitFunc = Callable[[Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]], bool] _CM_EF = TypeVar("_CM_EF", ContextManager[Any], _ExitFunc) class _GeneratorContextManager(ContextManager[_T_co]): def __call__(self, func: _F) -> _F: ... # type ignore to deal with incomplete ParamSpec support in mypy def contextmanager(func: Callable[_P, Iterator[_T]]) -> Callable[_P, _GeneratorContextManager[_T]]: ... # type: ignore if True: def asynccontextmanager(func: Callable[_P, AsyncIterator[_T]]) -> Callable[_P, AsyncContextManager[_T]]: ... # type: ignore class _SupportsClose(Protocol): def close(self) -> object: ... _SupportsCloseT = TypeVar("_SupportsCloseT", bound=_SupportsClose) class closing(ContextManager[_SupportsCloseT]): def __init__(self, thing: _SupportsCloseT) -> None: ... if True: class _SupportsAclose(Protocol): async def aclose(self) -> object: ... _SupportsAcloseT = TypeVar("_SupportsAcloseT", bound=_SupportsAclose) class aclosing(AsyncContextManager[_SupportsAcloseT]): def __init__(self, thing: _SupportsAcloseT) -> None: ... _AF = TypeVar("_AF", bound=Callable[..., Awaitable[Any]]) class AsyncContextDecorator: def __call__(self, func: _AF) -> _AF: ... class suppress(ContextManager[None]): def __init__(self, *exceptions: Type[BaseException]) -> None: ... def __exit__( self, exctype: Optional[Type[BaseException]], excinst: Optional[BaseException], exctb: Optional[TracebackType] ) -> bool: ... class redirect_stdout(ContextManager[_T_io]): def __init__(self, new_target: _T_io) -> None: ... class redirect_stderr(ContextManager[_T_io]): def __init__(self, new_target: _T_io) -> None: ... class ContextDecorator: def __call__(self, func: _F) -> _F: ... _U = TypeVar("_U", bound=ExitStack) class ExitStack(ContextManager[ExitStack]): def __init__(self) -> None: ... def enter_context(self, cm: ContextManager[_T]) -> _T: ... def push(self, exit: _CM_EF) -> _CM_EF: ... def callback(self, callback: Callable[..., Any], *args: Any, **kwds: Any) -> Callable[..., Any]: ... def pop_all(self: _U) -> _U: ... def close(self) -> None: ... def __enter__(self: _U) -> _U: ... def __exit__( self, __exc_type: Optional[Type[BaseException]], __exc_value: Optional[BaseException], __traceback: Optional[TracebackType], ) -> bool: ... if True: _S = TypeVar("_S", bound=AsyncExitStack) _ExitCoroFunc = Callable[[Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]], Awaitable[bool]] _CallbackCoroFunc = Callable[..., Awaitable[Any]] _ACM_EF = TypeVar("_ACM_EF", AsyncContextManager[Any], _ExitCoroFunc) class AsyncExitStack(AsyncContextManager[AsyncExitStack]): def __init__(self) -> None: ... def enter_context(self, cm: ContextManager[_T]) -> _T: ... def enter_async_context(self, cm: AsyncContextManager[_T]) -> Awaitable[_T]: ... def push(self, exit: _CM_EF) -> _CM_EF: ... def push_async_exit(self, exit: _ACM_EF) -> _ACM_EF: ... def callback(self, callback: Callable[..., Any], *args: Any, **kwds: Any) -> Callable[..., Any]: ... def push_async_callback(self, callback: _CallbackCoroFunc, *args: Any, **kwds: Any) -> _CallbackCoroFunc: ... def pop_all(self: _S) -> _S: ... def aclose(self) -> Awaitable[None]: ... def __aenter__(self: _S) -> Awaitable[_S]: ... def __aexit__( self, __exc_type: Optional[Type[BaseException]], __exc_value: Optional[BaseException], __traceback: Optional[TracebackType], ) -> Awaitable[bool]: ... if True: class nullcontext(AbstractContextManager[_T]): enter_result: _T @overload def __init__(self: nullcontext[None], enter_result: None = ...) -> None: ... @overload def __init__(self: nullcontext[_T], enter_result: _T) -> None: ... def __enter__(self) -> _T: ... def __exit__(self, *exctype: Any) -> bool: ...