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84 lines
2.7 KiB
Python
84 lines
2.7 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 import Agent
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from google.adk.tools.function_tool import FunctionTool
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from pydantic import BaseModel
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from pydantic import Field
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class OrderItem(BaseModel):
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name: str = Field(description="Name of the food item ordered")
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quantity: int = Field(description="Quantity ordered")
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class PaymentInfo(BaseModel):
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"""Output schema for the payment collection task."""
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credit_card_number: str
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cvv: str
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def place_order(orders: list[OrderItem], payment_info: PaymentInfo) -> str:
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"""Mock an order placement operation."""
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total_items = sum(item.quantity for item in orders)
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return f"Successfully placed order for {total_items} items."
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def confirmation() -> str:
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"""Confirm proceeding with the order."""
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return "Proceeding with order."
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order_collector = Agent(
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name="order_collector",
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mode="task",
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output_schema=list[OrderItem],
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instruction=("""\
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You are an order collection assistant for a food delivery service.
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Our menu today has exactly 3 items: 1. Pizza, 2. Burger, 3. Salad.
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Ask the user what they would like to order and collect their choice and quantity.
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Do not offer anything else.
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If the combined quantity of items exceeds 5, you MUST use the `confirmation` tool to get user's confirmation before proceeding.
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Do not ask for confirmation in natural language, always use the confirmation tool.
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Once you have their final order and confirmation if needed, finish your task.
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"""),
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description="Collects the food order from the user.",
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tools=[FunctionTool(confirmation, require_confirmation=True)],
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)
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payment_collector = Agent(
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name="payment_collector",
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mode="task",
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output_schema=PaymentInfo,
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instruction=("""\
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You are a payment collection assistant.
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Ask the user for their credit card number and CVV.
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Once you have both pieces of information, finish your task.
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"""),
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description="Collects credit card and CVV from the user.",
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)
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root_agent = Agent(
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name="coordinator",
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sub_agents=[order_collector, payment_collector],
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tools=[place_order],
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instruction="""\
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You are a helpful coordinator for a food delivery service.
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You need both order and payment information to place an order.
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""",
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)
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