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101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
# Copyright 2026 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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"""Example agent demonstrating the use of SkillToolset."""
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import pathlib
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from google.adk import Agent
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from google.adk.code_executors.unsafe_local_code_executor import UnsafeLocalCodeExecutor
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from google.adk.skills import load_skill_from_dir
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from google.adk.skills import models
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from google.adk.tools.base_tool import BaseTool
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from google.adk.tools.skill_toolset import SkillToolset
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from google.genai import types
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class GetTimezoneTool(BaseTool):
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"""A tool to get the timezone for a given location."""
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def __init__(self):
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super().__init__(
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name="get_timezone",
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description="Returns the timezone for a given location.",
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)
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def _get_declaration(self) -> types.FunctionDeclaration | None:
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return types.FunctionDeclaration(
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name=self.name,
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description=self.description,
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parameters_json_schema={
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"type": "object",
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"properties": {
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"location": {
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"type": "string",
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"description": "The location to get the timezone for.",
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},
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},
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"required": ["location"],
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},
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)
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async def run_async(self, *, args: dict, tool_context) -> str:
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return f"The timezone for {args['location']} is UTC+00:00."
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def get_wind_speed(location: str) -> str:
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"""Returns the current wind speed for a given location."""
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return f"The wind speed in {location} is 10 mph."
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greeting_skill = models.Skill(
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frontmatter=models.Frontmatter(
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name="greeting-skill",
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description=(
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"A friendly greeting skill that can say hello to a specific person."
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),
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metadata={"adk_additional_tools": ["get_timezone"]},
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),
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instructions=(
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"Step 1: Read the 'references/hello_world.txt' file to understand how"
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" to greet the user. Step 2: Return a greeting based on the reference."
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),
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resources=models.Resources(
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references={
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"hello_world.txt": "Hello! 👋👋👋 So glad to have you here! ✨✨✨",
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"example.md": "This is an example reference.",
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},
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),
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)
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weather_skill = load_skill_from_dir(
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pathlib.Path(__file__).parent / "skills" / "weather-skill"
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)
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# WARNING: UnsafeLocalCodeExecutor has security concerns and should NOT
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# be used in production environments.
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my_skill_toolset = SkillToolset(
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skills=[greeting_skill, weather_skill],
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additional_tools=[GetTimezoneTool(), get_wind_speed],
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code_executor=UnsafeLocalCodeExecutor(),
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)
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root_agent = Agent(
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name="skill_user_agent",
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description="An agent that can use specialized skills.",
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tools=[
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my_skill_toolset,
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],
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)
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