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81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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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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#!/usr/bin/env python3
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"""Example 4: JSON Mode with Schema.
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Demonstrates structured output generation with JSON schema validation.
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Note: This requires xgrammar support and compatible model configuration.
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"""
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import json
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from openai import OpenAI
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# Initialize the client
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client = OpenAI(
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base_url="http://localhost:8000/v1",
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api_key="tensorrt_llm",
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)
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# Get the model name from the server
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models = client.models.list()
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model = models.data[0].id
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print("=" * 80)
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print("Example 4: JSON Mode with Schema")
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print("=" * 80)
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print()
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# Define the JSON schema
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schema = {
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"type": "json_schema",
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"name": "city_info",
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"schema": {
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"type": "object",
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"properties": {
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"name": {"type": "string"},
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"country": {"type": "string"},
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"population": {"type": "integer"},
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"famous_for": {"type": "array", "items": {"type": "string"}},
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},
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"required": ["name", "country", "population"],
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},
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"strict": True,
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}
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print("Request with JSON schema:")
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print(json.dumps(schema, indent=2))
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print()
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print("Note: JSON schema support requires xgrammar and compatible model configuration.\n")
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try:
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# Create responses with JSON schema
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response = client.responses.create(
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model=model,
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instructions="You are a helpful assistant that outputs JSON.",
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input="Give me information about Tokyo.",
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text={"format": schema},
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reasoning={"effort": "low"},
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max_output_tokens=1024,
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)
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print("JSON Response:")
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print(response.output_text)
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except Exception as e:
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print("JSON schema support requires xgrammar and proper configuration.")
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print(f"Error: {e}")
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