Class AsyncEventContextManager

playwright/_impl/_async_base.py:44–60

class AsyncEventContextManager(Generic[T], AbstractAsyncContextManager):
    def __init__(self, future: "asyncio.Future[T]") -> None:
        self._event = AsyncEventInfo[T](future)

    async def __aenter__(self) -> AsyncEventInfo[T]:
        return self._event

    async def __aexit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_val: Optional[BaseException],
        exc_tb: Optional[TracebackType],
    ) -> None:
        if exc_val:
            self._event._cancel()
        else:
            await self._event.value


class AsyncBase(ImplWrapper):