fixup _attach/_detach hinting and testing

Author: altendky

chia/_tests/core/server/test_event_loop.py

@@ -105,7 +105,13 @@ async def main() -> None:
 
         for func in ("_attach", "_detach"):
             assert hasattr(base_server, func)
-            method = getattr(base_server, func)
-            assert str(inspect.signature(method)) == "()"
+            if sys.version_info >= (3, 13):
+                # https://github.com/python/cpython/blob/bcee1c322115c581da27600f2ae55e5439c027eb/Lib/asyncio/base_events.py#L296
+                method = getattr(base_server, func)
+                assert str(inspect.signature(method)) == "(transport)"
+            else:
+                method = getattr(base_server, func)
+                assert str(inspect.signature(method)) == "()"
+
     finally:
         selector_event_loop.close()

chia/server/chia_policy.py

@@ -68,9 +68,16 @@ class BaseEventsServer(asyncio.base_events.Server):
         _ssl_context: _SSLContext
         _ssl_handshake_timeout: Optional[float]
 
-        def _attach(self) -> None: ...
+        if sys.version_info >= (3, 13):
+            # https://github.com/python/cpython/blob/bcee1c322115c581da27600f2ae55e5439c027eb/Lib/asyncio/base_events.py#L296
+            def _attach(self, transport: object) -> None: ...
+
+            def _detach(self, transport: object) -> None: ...
+        else:
+
+            def _attach(self) -> None: ...
 
-        def _detach(self) -> None: ...
+            def _detach(self) -> None: ...
 
         def _start_serving(self) -> None: ...