Python: [BREAKING]: removed display_name, renamed context_providers, middleware and AggregateContextProvider (#3139)

* removed display_name, renamed context_providers, middleware and AggregateContextProvider

* fixes

* fixed test

* testfix

* removed mistakenly put back test

* updated new test

* rename middlewares to middleware

* middleware fixes

python/samples/getting_started/middleware/agent_and_run_level_middleware.py

@@ -202,7 +202,7 @@ async def main() -> None:
         print(f"User: {query}")
         result = await agent.run(
             query,
-            middleware=HighPriorityMiddleware(),  # Run-level middleware
+            middleware=[HighPriorityMiddleware()],  # Run-level middleware
         )
         print(f"Agent: {result.text if result.text else 'No response'}")
         print()

python/samples/getting_started/middleware/chat_middleware.py

@@ -146,7 +146,7 @@ async def class_based_chat_middleware() -> None:
             name="EnhancedChatAgent",
             instructions="You are a helpful AI assistant.",
             # Register class-based middleware at agent level (applies to all runs)
-            middleware=InputObserverMiddleware(),
+            middleware=[InputObserverMiddleware()],
             tools=get_weather,
         ) as agent,
     ):
@@ -168,7 +168,7 @@ async def function_based_chat_middleware() -> None:
             name="FunctionMiddlewareAgent",
             instructions="You are a helpful AI assistant.",
             # Register function-based middleware at agent level
-            middleware=security_and_override_middleware,
+            middleware=[security_and_override_middleware],
         ) as agent,
     ):
         # Scenario with normal query
@@ -226,7 +226,7 @@ async def run_level_middleware() -> None:
         print(f"User: {query}")
         result = await agent.run(
             query,
-            middleware=security_and_override_middleware,
+            middleware=[security_and_override_middleware],
         )
         print(f"Response: {result.text if result.text else 'No response'}")
 

python/samples/getting_started/middleware/exception_handling_with_middleware.py

@@ -62,7 +62,7 @@ async def main() -> None:
             name="DataAgent",
             instructions="You are a helpful data assistant. Use the data service tool to fetch information for users.",
             tools=unstable_data_service,
-            middleware=exception_handling_middleware,
+            middleware=[exception_handling_middleware],
         ) as agent,
     ):
         query = "Get user statistics"

python/samples/getting_started/middleware/middleware_termination.py

@@ -114,7 +114,7 @@ async def pre_termination_middleware() -> None:
             name="WeatherAgent",
             instructions="You are a helpful weather assistant.",
             tools=get_weather,
-            middleware=PreTerminationMiddleware(blocked_words=["bad", "inappropriate"]),
+            middleware=[PreTerminationMiddleware(blocked_words=["bad", "inappropriate"])],
         ) as agent,
     ):
         # Test with normal query
@@ -141,7 +141,7 @@ async def post_termination_middleware() -> None:
             name="WeatherAgent",
             instructions="You are a helpful weather assistant.",
             tools=get_weather,
-            middleware=PostTerminationMiddleware(max_responses=1),
+            middleware=[PostTerminationMiddleware(max_responses=1)],
         ) as agent,
     ):
         # First run (should work)

python/samples/getting_started/middleware/override_result_with_middleware.py

@@ -87,7 +87,7 @@ async def main() -> None:
             name="WeatherAgent",
             instructions="You are a helpful weather assistant. Use the weather tool to get current conditions.",
             tools=get_weather,
-            middleware=weather_override_middleware,
+            middleware=[weather_override_middleware],
         ) as agent,
     ):
         # Non-streaming example

python/samples/getting_started/middleware/thread_behavior_middleware.py

@@ -74,7 +74,7 @@ async def main() -> None:
         name="WeatherAgent",
         instructions="You are a helpful weather assistant.",
         tools=get_weather,
-        middleware=thread_tracking_middleware,
+        middleware=[thread_tracking_middleware],
         # Configure agent with message store factory to persist conversation history
         chat_message_store_factory=ChatMessageStore,
     )