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Xuan Yang
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
# Copyright 2025 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import random
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from dotenv import load_dotenv
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from google.adk import Agent
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from google.adk.tools.google_search_tool import GoogleSearchTool
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from google.adk.tools.tool_context import ToolContext
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from google.adk.tools.vertex_ai_search_tool import VertexAiSearchTool
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load_dotenv(override=True)
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VERTEXAI_DATASTORE_ID = os.getenv("VERTEXAI_DATASTORE_ID")
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if not VERTEXAI_DATASTORE_ID:
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raise ValueError("VERTEXAI_DATASTORE_ID environment variable not set")
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def roll_die(sides: int, tool_context: ToolContext) -> int:
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"""Roll a die and return the rolled result.
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Args:
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sides: The integer number of sides the die has.
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Returns:
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An integer of the result of rolling the die.
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"""
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result = random.randint(1, sides)
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if "rolls" not in tool_context.state:
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tool_context.state["rolls"] = []
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tool_context.state["rolls"] = tool_context.state["rolls"] + [result]
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return result
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root_agent = Agent(
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model="gemini-2.5-pro",
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name="hello_world_agent",
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description="A hello world agent with multiple tools.",
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instruction="""
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You are a helpful assistant which can help user to roll dice and search for information.
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- Use `roll_die` tool to roll dice.
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- Use `VertexAISearchTool` to search for Google Agent Development Kit (ADK) information in the datastore.
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- Use `google_search` to search for general information.
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""",
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tools=[
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roll_die,
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VertexAiSearchTool(
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data_store_id=VERTEXAI_DATASTORE_ID, bypass_multi_tools_limit=True
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),
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GoogleSearchTool(bypass_multi_tools_limit=True),
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],
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)
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