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82 lines
2.6 KiB
Python
82 lines
2.6 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 google.adk import Agent
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from pydantic import BaseModel
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from pydantic import Field
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class UserPreferences(BaseModel):
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budget: int = Field(description="The user's maximum budget in USD")
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primary_use: str = Field(
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description=(
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"What the user primarily uses their phone for (e.g., photography,"
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" gaming, basics)"
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)
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)
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preferred_size: str = Field(
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description="Preferred phone size (e.g., small, large, any)"
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)
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class PhoneRecommendation(BaseModel):
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"""Output schema for the phone recommendation."""
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model_name: str
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price: float
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reason: str
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def check_phone_price(model_name: str) -> float:
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"""Mock tool to check the current price of a Pixel phone model."""
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prices = {
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"Pixel 10a": 499.0,
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"Pixel 10": 799.0,
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"Pixel 10 Pro": 999.0,
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"Pixel 10 Pro XL": 1199.0,
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"Pixel 10 Pro Fold": 1799.0,
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}
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# Simple mock logic, defaulting to 799 if not found exactly
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for key, value in prices.items():
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if key.lower() in model_name.lower():
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return value
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return 799.0
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phone_recommender = Agent(
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name="phone_recommender",
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mode="single_turn",
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input_schema=UserPreferences,
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output_schema=PhoneRecommendation,
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tools=[check_phone_price],
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instruction=("""\
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You are an expert Google Pixel hardware recommender.
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Based on the provided UserPreferences, recommend exactly one Pixel phone model.
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You must use the `check_phone_price` tool to find the exact current price of the model you are recommending before you finish your task.
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Only recommend these phones: Pixel 10a, Pixel 10, Pixel 10 Pro, Pixel 10 Pro XL, Pixel 10 Pro Fold.
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"""),
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description="Recommends a Pixel phone based on preferences.",
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)
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root_agent = Agent(
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name="root_agent",
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sub_agents=[phone_recommender],
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instruction=("""\
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You are a helpful phone sales associate.
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If the user is asking for a phone recommendation, use the `phone_recommender` to get a structured recommendation.
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Once the recommender finishes, present the model, price, and reason to the user in a friendly way.
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"""),
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)
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