adk-python/contributing/samples/langchain_structured_tool_agent/agent.py
2025-05-29 11:48:15 -07:00

50 lines
1.4 KiB
Python

# 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.
"""
This agent aims to test the Langchain tool with Langchain's StructuredTool
"""
from google.adk.agents import Agent
from google.adk.tools.langchain_tool import LangchainTool
from langchain_core.tools.structured import StructuredTool
from pydantic import BaseModel
def add(x, y) -> int:
return x + y
class AddSchema(BaseModel):
x: int
y: int
test_langchain_tool = StructuredTool.from_function(
add,
name="add",
description="Adds two numbers",
args_schema=AddSchema,
)
root_agent = Agent(
model="gemini-2.0-flash-001",
name="test_app",
description="A helpful assistant for user questions.",
instruction=(
"You are a helpful assistant for user questions, you have access to a"
" tool that adds two numbers."
),
tools=[LangchainTool(tool=test_langchain_tool)],
)