rename CommonBaseSession to AbstractBaseSession

Author: sreenithi

src/mcp/client/base_client_session.py

@@ -2,14 +2,14 @@
 from typing import Any, TypeVar
 
 from mcp import types
-from mcp.shared.session import CommonBaseSession, ProgressFnT
+from mcp.shared.session import AbstractBaseSession, ProgressFnT
 from mcp.types._types import RequestParamsMeta
 
 ClientSessionT_contra = TypeVar("ClientSessionT_contra", bound="BaseClientSession", contravariant=True)
 
 
 class BaseClientSession(
-    CommonBaseSession[
+    AbstractBaseSession[
         Any,
         types.ClientRequest,
         types.ClientNotification,

src/mcp/shared/_context.py

@@ -5,10 +5,10 @@
 
 from typing_extensions import TypeVar
 
-from mcp.shared.session import CommonBaseSession
+from mcp.shared.session import AbstractBaseSession
 from mcp.types import RequestId, RequestParamsMeta
 
-SessionT_co = TypeVar("SessionT_co", bound=CommonBaseSession[Any, Any, Any, Any, Any, Any], covariant=True)
+SessionT_co = TypeVar("SessionT_co", bound=AbstractBaseSession[Any, Any, Any, Any, Any, Any], covariant=True)
 
 
 @dataclass(kw_only=True)

src/mcp/shared/session.py

@@ -155,7 +155,7 @@ def cancelled(self) -> bool:
         return self._cancel_scope.cancel_called
 
 
-class CommonBaseSession(
+class AbstractBaseSession(
     ABC,
     Generic[
         WireMessageT,
@@ -228,7 +228,7 @@ async def send_progress_notification(
 
 
 class BaseSession(
-    CommonBaseSession[
+    AbstractBaseSession[
         SessionMessage,
         SendRequestT,
         SendNotificationT,