update a2a

cookbook/pocketflow_a2a/a2a_client.py

@@ -3,6 +3,8 @@ import asyncio
 import asyncclick as click # Using asyncclick for async main
 from uuid import uuid4
 import json # For potentially inspecting raw errors
+import anyio
+import functools
 
 # Import from the common directory placed alongside this script
 from common.client import A2AClient
@@ -51,17 +53,20 @@ async def cli(agent_url: str):
     while True:
         taskId = uuid4().hex # Generate a new task ID for each interaction
         try:
-            prompt = await click.prompt(
+            # Use functools.partial to prepare the prompt function call
+            prompt_func = functools.partial(
+                click.prompt,
                 colorize(C_CYAN, "\nEnter your question (:q or quit to exit)"),
                 prompt_suffix=" > ",
-                type=str # Ensure prompt returns string
+                type=str
             )
-        except RuntimeError:
+            # Run the synchronous prompt function in a worker thread
-             # This can happen if stdin is closed, e.g., in some test runners
+            prompt = await anyio.to_thread.run_sync(prompt_func)
-            print(colorize(C_RED, "Failed to read input. Exiting."))
+        except (EOFError, RuntimeError, KeyboardInterrupt):
+            # Catch potential errors during input or if stdin closes
+            print(colorize(C_RED, "\nInput closed or interrupted. Exiting."))
             break
 
-
         if prompt.lower() in [":q", "quit"]:
             print(colorize(C_YELLOW, "Exiting client."))
             break

cookbook/pocketflow_a2a/a2a_server.py

@@ -8,7 +8,7 @@ from common.server import A2AServer
 from common.types import AgentCard, AgentCapabilities, AgentSkill, MissingAPIKeyError
 
 # Import your custom TaskManager (which now imports from your original files)
-from .task_manager import PocketFlowTaskManager
+from task_manager import PocketFlowTaskManager
 
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)

cookbook/pocketflow_a2a/requirements.txt

@@ -17,5 +17,6 @@ click>=8.0.0,<9.0.0
 
 # For A2A Client
 httpx>=0.27.0,<0.28.0
+httpx-sse>=0.4.0
 asyncclick>=8.1.8 # Or just 'click' if you prefer asyncio.run
 pydantic>=2.0.0,<3.0.0 # For common.types

cookbook/pocketflow_a2a/task_manager.py

@@ -9,13 +9,13 @@ from common.types import (
     JSONRPCResponse, SendTaskRequest, SendTaskResponse,
     SendTaskStreamingRequest, SendTaskStreamingResponse, Task, TaskSendParams,
     TaskState, TaskStatus, TextPart, Artifact, UnsupportedOperationError,
-    InternalError, InvalidParamsError
+    InternalError, InvalidParamsError, 
+    Message
 )
 import common.server.utils as server_utils
 
 # Import directly from your original PocketFlow files
-from .flow import create_agent_flow # Assumes flow.py is in the same directory
+from flow import create_agent_flow
-from .utils import call_llm, search_web # Make utils functions available if needed elsewhere
 
 logger = logging.getLogger(__name__)
 
@@ -62,9 +62,10 @@ class PocketFlowTaskManager(InMemoryTaskManager):
             # executor to avoid blocking the event loop. For simplicity here, we run it directly.
             # Consider adding a timeout if flows can hang.
             logger.info(f"Running PocketFlow for task {task_params.id}...")
-            final_state_dict = agent_flow.run(shared_data)
+            agent_flow.run(shared_data) # Run the flow, modifying shared_data in place
             logger.info(f"PocketFlow completed for task {task_params.id}")
-            answer_text = final_state_dict.get("answer", "Agent did not produce a final answer text.")
+            # Access the original shared_data dictionary, which was modified by the flow
+            answer_text = shared_data.get("answer", "Agent did not produce a final answer text.")
 
             # --- Package result into A2A Task ---
             final_task_status = TaskStatus(state=TaskState.COMPLETED)