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George Weale
7ea4aed35b
Add `_to_litellm_response_format` to convert ADK's `response_schema` types (Pydantic models, JSON schema dicts) into the format needed by LiteLLM for JSON object/schema constraints Close #1967 Co-authored-by: George Weale <gweale@google.com> PiperOrigin-RevId: 829037987
48 lines
1.6 KiB
Python
48 lines
1.6 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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"""Sample agent showing LiteLLM structured output support."""
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from __future__ import annotations
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from google.adk import Agent
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from google.adk.models.lite_llm import LiteLlm
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from pydantic import BaseModel
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from pydantic import Field
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class CitySummary(BaseModel):
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"""Simple structure used to verify LiteLLM JSON schema handling."""
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city: str = Field(description="Name of the city being described.")
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highlights: list[str] = Field(
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description="Bullet points summarising the city's key highlights.",
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)
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recommended_visit_length_days: int = Field(
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description="Recommended number of days for a typical visit.",
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)
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root_agent = Agent(
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name="litellm_structured_output_agent",
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model=LiteLlm(model="gemini-2.5-flash"),
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description="Generates structured travel recommendations for a given city.",
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instruction="""
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Produce a JSON object that follows the CitySummary schema.
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Only include fields that appear in the schema and ensure highlights
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contains short bullet points.
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""".strip(),
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output_schema=CitySummary,
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)
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