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adk-python/contributing/samples/a2a_human_in_loop/agent.py
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George Weale 2367901ec5 chore: Upgrade to headers to 2026
Co-authored-by: George Weale <gweale@google.com>
PiperOrigin-RevId: 858763407
2026-01-20 14:50:09 -08:00

53 lines
1.8 KiB
Python

# Copyright 2026 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.
from google.adk.agents.llm_agent import Agent
from google.adk.agents.remote_a2a_agent import AGENT_CARD_WELL_KNOWN_PATH
from google.adk.agents.remote_a2a_agent import RemoteA2aAgent
from google.genai import types
def reimburse(purpose: str, amount: float) -> str:
"""Reimburse the amount of money to the employee."""
return {
'status': 'ok',
}
approval_agent = RemoteA2aAgent(
name='approval_agent',
description='Help approve the reimburse if the amount is greater than 100.',
agent_card=(
f'http://localhost:8001/a2a/human_in_loop{AGENT_CARD_WELL_KNOWN_PATH}'
),
)
root_agent = Agent(
model='gemini-2.0-flash',
name='reimbursement_agent',
instruction="""
You are an agent whose job is to handle the reimbursement process for
the employees. If the amount is less than $100, you will automatically
approve the reimbursement. And call reimburse() to reimburse the amount to the employee.
If the amount is greater than $100. You will hand over the request to
approval_agent to handle the reimburse.
""",
tools=[reimburse],
sub_agents=[approval_agent],
generate_content_config=types.GenerateContentConfig(temperature=0.1),
)