fix: use a more generic connection type in {Client,Server}Cursor

This makes them similar to plain Cursor class, i.e. being parametrized
on sync or async connection type, not the row type (which is handled
through the second type variable).

diff --git a/psycopg/psycopg/client_cursor.py b/psycopg/psycopg/client_cursor.py
index ee0e46c814283f06e131cc951e364e67e01544f3..bdaa4e127c3159ef83129f382600042e95202b81 100644 (file)
--- a/psycopg/psycopg/client_cursor.py
+++ b/psycopg/psycopg/client_cursor.py
@@ -19,6 +19,7 @@ from ._preparing import Prepare
 from .cursor_async import AsyncCursor
 
 if TYPE_CHECKING:
+    from typing import Any  # noqa: F401
     from .connection import Connection  # noqa: F401
     from .connection_async import AsyncConnection  # noqa: F401
 
@@ -87,11 +88,11 @@ class ClientCursorMixin(BaseCursor[ConnectionType, Row]):
         return (Prepare.NO, b"")
 
 
-class ClientCursor(ClientCursorMixin["Connection[Row]", Row], Cursor[Row]):
+class ClientCursor(ClientCursorMixin["Connection[Any]", Row], Cursor[Row]):
     __module__ = "psycopg"
 
 
 class AsyncClientCursor(
-    ClientCursorMixin["AsyncConnection[Row]", Row], AsyncCursor[Row]
+    ClientCursorMixin["AsyncConnection[Any]", Row], AsyncCursor[Row]
 ):
     __module__ = "psycopg"

diff --git a/psycopg/psycopg/server_cursor.py b/psycopg/psycopg/server_cursor.py
index 76e1cb19f8c1a12167a256dd164271452ccf887c..65db17212b9fe40b14b7dbaca5d70d85566ab39b 100644 (file)
--- a/psycopg/psycopg/server_cursor.py
+++ b/psycopg/psycopg/server_cursor.py
@@ -198,7 +198,7 @@ _C = TypeVar("_C", bound="ServerCursor[Any]")
 _AC = TypeVar("_AC", bound="AsyncServerCursor[Any]")
 
 
-class ServerCursor(ServerCursorMixin["Connection[Row]", Row], Cursor[Row]):
+class ServerCursor(ServerCursorMixin["Connection[Any]", Row], Cursor[Row]):
     __module__ = "psycopg"
     __slots__ = ()
 
@@ -338,7 +338,7 @@ class ServerCursor(ServerCursorMixin["Connection[Row]", Row], Cursor[Row]):
 
 
 class AsyncServerCursor(
-    ServerCursorMixin["AsyncConnection[Row]", Row], AsyncCursor[Row]
+    ServerCursorMixin["AsyncConnection[Any]", Row], AsyncCursor[Row]
 ):
     __module__ = "psycopg"
     __slots__ = ()