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58 lines
1.9 KiB
Python
58 lines
1.9 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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from __future__ import annotations
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from google.adk.agents import Agent
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from google.adk.tools.function_tool import FunctionTool
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from google.adk.tools.tool_context import ToolContext
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def transfer_funds(
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amount: float, recipient: str, tool_context: ToolContext
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) -> dict[str, str]:
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"""Transfers funds to a recipient."""
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# Only request confirmation for amounts >= 100
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if amount >= 100:
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if not tool_context.tool_confirmation:
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tool_context.request_confirmation(
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hint=f"Confirm transfer of ${amount} to {recipient}.",
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)
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return {
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"error": (
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"This tool call requires confirmation, please approve or reject."
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)
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}
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elif not tool_context.tool_confirmation.confirmed:
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return {"error": "Transfer rejected by user."}
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# Proceed with transfer for amounts < 100 or if confirmed
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return {"result": f"Successfully transferred ${amount} to {recipient}."}
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def close_account(account_id: str) -> dict[str, str]:
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"""Closes a user account. This is a destructive action."""
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# With require_confirmation=True, this function is only called if the user
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# approves.
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return {"result": f"Account {account_id} closed successfully."}
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root_agent = Agent(
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name="money_transfer_assistant",
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tools=[
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transfer_funds,
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FunctionTool(func=close_account, require_confirmation=True),
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],
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)
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