Add __all__ (#13704)

stubs/aiofiles/@tests/stubtest_allowlist.txt

@@ -1,8 +1,3 @@
-# TODO: missing from stub
-aiofiles.__all__
-aiofiles.tempfile.__all__
-aiofiles.threadpool.__all__
-
 # These all delegate using *args,**kwargs, but stubs use signature of
 # method they are being delegated to.
 aiofiles.threadpool.binary.AsyncBufferedIOBase.close

stubs/aiofiles/aiofiles/__init__.pyi

@@ -8,3 +8,5 @@ from .threadpool import (
     stdout as stdout,
     stdout_bytes as stdout_bytes,
 )
+
+__all__ = ["open", "tempfile", "stdin", "stdout", "stderr", "stdin_bytes", "stdout_bytes", "stderr_bytes"]

stubs/aiofiles/aiofiles/tempfile/__init__.pyi

@@ -321,3 +321,5 @@ def TemporaryDirectory(
 
 class AiofilesContextManagerTempDir(AiofilesContextManager[AsyncTemporaryDirectory]):
     async def __aenter__(self) -> str: ...  # type: ignore[override]
+
+__all__ = ["NamedTemporaryFile", "TemporaryFile", "SpooledTemporaryFile", "TemporaryDirectory"]

stubs/aiofiles/aiofiles/threadpool/__init__.pyi

@@ -104,3 +104,5 @@ stderr: AsyncTextIndirectIOWrapper
 stdin_bytes: AsyncIndirectBufferedIOBase
 stdout_bytes: AsyncIndirectBufferedIOBase
 stderr_bytes: AsyncIndirectBufferedIOBase
+
+__all__ = ("open", "stdin", "stdout", "stderr", "stdin_bytes", "stdout_bytes", "stderr_bytes")