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docs: make StoryFlowAgent example fully async/await (#379) #408

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docs: make StoryFlowAgent example fully async/await (#379) #408

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24 changes: 19 additions & 5 deletions examples/python/snippets/agents/custom-agent/storyflow_agent.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,17 @@
# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging
from typing import AsyncGenerator
from typing_extensions import override
Expand Down Expand Up @@ -219,7 +233,7 @@ async def _run_async_impl(
# --- Setup Runner and Session ---
session_service = InMemorySessionService()
initial_state = {"topic": "a brave kitten exploring a haunted house"}
session = session_service.create_session(
session = await session_service.create_session(
app_name=APP_NAME,
user_id=USER_ID,
session_id=SESSION_ID,
Expand All @@ -234,12 +248,12 @@ async def _run_async_impl(
)

# --- Function to Interact with the Agent ---
def call_agent(user_input_topic: str):
async def call_agent(user_input_topic: str):
"""
Sends a new topic to the agent (overwriting the initial one if needed)
and runs the workflow.
"""
current_session = session_service.get_session(app_name=APP_NAME,
current_session = await session_service.get_session(app_name=APP_NAME,
user_id=USER_ID,
session_id=SESSION_ID)
if not current_session:
Expand All @@ -261,7 +275,7 @@ def call_agent(user_input_topic: str):
print("\n--- Agent Interaction Result ---")
print("Agent Final Response: ", final_response)

final_session = session_service.get_session(app_name=APP_NAME,
final_session = await session_service.get_session(app_name=APP_NAME,
user_id=USER_ID,
session_id=SESSION_ID)
print("Final Session State:")
Expand All @@ -270,5 +284,5 @@ def call_agent(user_input_topic: str):
print("-------------------------------\n")

# --- Run the Agent ---
call_agent("a lonely robot finding a friend in a junkyard")
await call_agent("a lonely robot finding a friend in a junkyard")
# --8<-- [end:story_flow_agent]