Implementation of AdvancedSQLAlchemy + tests

Author: DanieleMorotti

src/agents/extensions/memory/__init__.py

@@ -15,6 +15,7 @@
     "RedisSession",
     "SQLAlchemySession",
     "AdvancedSQLiteSession",
+    "AdvancedSQLAlchemySession",
 ]
 
 
@@ -60,4 +61,15 @@ def __getattr__(name: str) -> Any:
         except ModuleNotFoundError as e:
             raise ImportError(f"Failed to import AdvancedSQLiteSession: {e}") from e
 
+    if name == "AdvancedSQLAlchemySession":
+        try:
+            from .advanced_sqlalchemy_session import AdvancedSQLAlchemySession  # noqa: F401
+
+            return AdvancedSQLAlchemySession
+        except ModuleNotFoundError as e:
+            raise ImportError(
+                "AdvancedSQLAlchemySession requires the 'sqlalchemy' extra. "
+                "Install it with: pip install openai-agents[sqlalchemy]"
+            ) from e
+
     raise AttributeError(f"module {__name__} has no attribute {name}")