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Use generic self for socketserver.BaseServer.__enter__ (#4882)

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This is to guarantee the classes that inherit `BaseServer` (e.g.,
`HTTPServer`) to have a proper return type of `__enter__`. For example,

    with HTTPServer() as httpd:
        pass

`httpd` should be of type `HTTPServer`, not `BaseServer`.
This commit is contained in:
Hong Xu
2020-12-31 23:20:20 -08:00
committed by GitHub
parent dcaea8bf06
commit 6458a41568
1 changed files with 4 additions and 2 deletions
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6
stdlib/3/socketserver.pyi
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@@ -1,7 +1,9 @@
import sys
import types
from socket import SocketType
from typing import Any, BinaryIO, Callable, ClassVar, List, Optional, Tuple, Type, Union
from typing import Any, BinaryIO, Callable, ClassVar, List, Optional, Tuple, Type, TypeVar, Union
_T = TypeVar("_T")
class BaseServer:
address_family: int
@@ -26,7 +28,7 @@ class BaseServer:
def server_activate(self) -> None: ...
def server_bind(self) -> None: ...
def verify_request(self, request: bytes, client_address: Tuple[str, int]) -> bool: ...
def __enter__(self) -> BaseServer: ...
def __enter__(self: _T) -> _T: ...
def __exit__(
self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], exc_tb: Optional[types.TracebackType]
) -> None: ...