構造化出力

Python では、Pydantic を使用してオブジェクト スキーマを定義できます。 実行中の OpenAI ライブラリと Pydantic ライブラリのバージョンによっては、新しいバージョンにアップグレードする必要がある場合があります。 これらの例は、openai 1.42.0 と pydantic 2.8.2 に対してテストされています。

pip install openai pydantic --upgrade

認証に Microsoft Entra ID を初めて使用する場合は、「Microsoft Entra ID 認証を使用して Azure AI Foundry Models で Azure OpenAI を構成する方法」を参照してください。

import os
from pydantic import BaseModel
from openai import AzureOpenAI
from azure.identity import DefaultAzureCredential, get_bearer_token_provider

token_provider = get_bearer_token_provider(
    DefaultAzureCredential(), "https://cognitiveservices.azure.com/.default"
)

client = AzureOpenAI(
  azure_endpoint = os.getenv("AZURE_OPENAI_ENDPOINT"), 
  azure_ad_token_provider=token_provider,
  api_version="2024-10-21"
)


class CalendarEvent(BaseModel):
    name: str
    date: str
    participants: list[str]

completion = client.beta.chat.completions.parse(
    model="MODEL_DEPLOYMENT_NAME", # replace with the model deployment name of your gpt-4o 2024-08-06 deployment
    messages=[
        {"role": "system", "content": "Extract the event information."},
        {"role": "user", "content": "Alice and Bob are going to a science fair on Friday."},
    ],
    response_format=CalendarEvent,
)

event = completion.choices[0].message.parsed

print(event)
print(completion.model_dump_json(indent=2))

出力

name='Science Fair' date='Friday' participants=['Alice', 'Bob']
{
  "id": "chatcmpl-A1EUP2fAmL4SeB1lVMinwM7I2vcqG",
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "logprobs": null,
      "message": {
        "content": "{\n  \"name\": \"Science Fair\",\n  \"date\": \"Friday\",\n  \"participants\": [\"Alice\", \"Bob\"]\n}",
        "refusal": null,
        "role": "assistant",
        "function_call": null,
        "tool_calls": [],
        "parsed": {
          "name": "Science Fair",
          "date": "Friday",
          "participants": [
            "Alice",
            "Bob"
          ]
        }
      }
    }
  ],
  "created": 1724857389,
  "model": "gpt-4o-2024-08-06",
  "object": "chat.completion",
  "service_tier": null,
  "system_fingerprint": "fp_1c2eaec9fe",
  "usage": {
    "completion_tokens": 27,
    "prompt_tokens": 32,
    "total_tokens": 59
  }
}

Python では、Pydantic を使用してオブジェクト スキーマを定義できます。 実行中の OpenAI ライブラリと Pydantic ライブラリのバージョンによっては、新しいバージョンにアップグレードする必要がある場合があります。 これらの例は、openai 1.42.0 と pydantic 2.8.2 に対してテストされています。

pip install openai pydantic --upgrade

import os
from pydantic import BaseModel
from openai import AzureOpenAI

client = AzureOpenAI(
  azure_endpoint = os.getenv("AZURE_OPENAI_ENDPOINT"), 
  api_key=os.getenv("AZURE_OPENAI_API_KEY"),  
  api_version="2024-10-21"
)


class CalendarEvent(BaseModel):
    name: str
    date: str
    participants: list[str]

completion = client.beta.chat.completions.parse(
    model="MODEL_DEPLOYMENT_NAME", # replace with the model deployment name of your gpt-4o 2024-08-06 deployment
    messages=[
        {"role": "system", "content": "Extract the event information."},
        {"role": "user", "content": "Alice and Bob are going to a science fair on Friday."},
    ],
    response_format=CalendarEvent,
)

event = completion.choices[0].message.parsed

print(event)
print(completion.model_dump_json(indent=2))

出力

name='Science Fair' date='Friday' participants=['Alice', 'Bob']
{
  "id": "chatcmpl-A1EUP2fAmL4SeB1lVMinwM7I2vcqG",
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "logprobs": null,
      "message": {
        "content": "{\n  \"name\": \"Science Fair\",\n  \"date\": \"Friday\",\n  \"participants\": [\"Alice\", \"Bob\"]\n}",
        "refusal": null,
        "role": "assistant",
        "function_call": null,
        "tool_calls": [],
        "parsed": {
          "name": "Science Fair",
          "date": "Friday",
          "participants": [
            "Alice",
            "Bob"
          ]
        }
      }
    }
  ],
  "created": 1724857389,
  "model": "gpt-4o-2024-08-06",
  "object": "chat.completion",
  "service_tier": null,
  "system_fingerprint": "fp_1c2eaec9fe",
  "usage": {
    "completion_tokens": 27,
    "prompt_tokens": 32,
    "total_tokens": 59
  }
}

from enum import Enum
from typing import Union
from pydantic import BaseModel
import openai
from openai import AzureOpenAI

client = AzureOpenAI(
  azure_endpoint = os.getenv("AZURE_OPENAI_ENDPOINT"), 
  api_key=os.getenv("AZURE_OPENAI_API_KEY"),  
  api_version="2024-10-21"
)


class GetDeliveryDate(BaseModel):
    order_id: str

tools = [openai.pydantic_function_tool(GetDeliveryDate)]

messages = []
messages.append({"role": "system", "content": "You are a helpful customer support assistant. Use the supplied tools to assist the user."})
messages.append({"role": "user", "content": "Hi, can you tell me the delivery date for my order #12345?"}) 

response = client.chat.completions.create(
    model="MODEL_DEPLOYMENT_NAME", # replace with the model deployment name of your gpt-4o 2024-08-06 deployment
    messages=messages,
    tools=tools
)

print(response.choices[0].message.tool_calls[0].function)
print(response.model_dump_json(indent=2))

from enum import Enum
from typing import Union
from pydantic import BaseModel
import openai
from openai import AzureOpenAI

client = AzureOpenAI(
  azure_endpoint = os.getenv("AZURE_OPENAI_ENDPOINT"), 
  api_key=os.getenv("AZURE_OPENAI_API_KEY"),  
  api_version="2024-10-21"
)

class GetDeliveryDate(BaseModel):
    order_id: str

tools = [openai.pydantic_function_tool(GetDeliveryDate)]

messages = []
messages.append({"role": "system", "content": "You are a helpful customer support assistant. Use the supplied tools to assist the user."})
messages.append({"role": "user", "content": "Hi, can you tell me the delivery date for my order #12345?"}) 

response = client.chat.completions.create(
    model="MODEL_DEPLOYMENT_NAME", # replace with the model deployment name of your gpt-4o 2024-08-06 deployment
    messages=messages,
    tools=tools
)

print(response.choices[0].message.tool_calls[0].function)
print(response.model_dump_json(indent=2))

認証に Microsoft Entra ID を初めて使用する場合は、「Microsoft Entra ID 認証を使用して Azure AI Foundry Models で Azure OpenAI を構成する方法」を参照してください。

using Azure.AI.OpenAI;
using Azure.Identity;
using Newtonsoft.Json.Schema.Generation;
using OpenAI.Chat;
using System.ClientModel;

// Create the clients
string endpoint = GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT");

AzureOpenAIClient openAIClient = new(
    new Uri(endpoint),
    new DefaultAzureCredential());

var client = openAIClient.GetChatClient("gpt-4o");

// Create a chat with initial prompts
var chat = new List<ChatMessage>()
    {
         new SystemChatMessage("Extract the event information and projected weather."),
         new UserChatMessage("Alice and Bob are going to a science fair in Seattle on June 1st, 2025.")
    };

// Get the schema of the class for the structured response
JSchemaGenerator generator = new JSchemaGenerator();
var jsonSchema = generator.Generate(typeof(CalendarEvent)).ToString();

// Get a completion with structured output
var chatUpdates = client.CompleteChatStreamingAsync(
        chat,
        new ChatCompletionOptions()
        {
            ResponseFormat = ChatResponseFormat.CreateJsonSchemaFormat(
                        "calenderEvent",
                        BinaryData.FromString(jsonSchema))
        });

// Write the structured response
await foreach (var chatUpdate in chatUpdates)
{
    foreach (var contentPart in chatUpdate.ContentUpdate)
    {
        Console.Write(contentPart.Text);
    }
}

// The class for the structured response
public class CalendarEvent()
{
    public string Name { get; set; }
    public string Date { get; set; }
    public List<string> Participants { get; set; }
}

using Azure.AI.OpenAI;
using Newtonsoft.Json.Schema.Generation;
using OpenAI.Chat;
using System.ClientModel;

// Create the clients
string endpoint = GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT");
string key = GetEnvironmentVariable("AZURE_OPENAI_API_KEY");

AzureOpenAIClient openAIClient = new(
    new Uri(endpoint),
    new ApiKeyCredential(key));

var client = openAIClient.GetChatClient("gpt-4o");

// Create a chat with initial prompts
var chat = new List<ChatMessage>()
    {
         new SystemChatMessage("Extract the event information and projected weather."),
         new UserChatMessage("Alice and Bob are going to a science fair in Seattle on June 1st, 2025.")
    };

// Get the schema of the class for the structured response
JSchemaGenerator generator = new JSchemaGenerator();
var jsonSchema = generator.Generate(typeof(CalendarEvent)).ToString();

// Get a completion with structured output
var chatUpdates = client.CompleteChatStreamingAsync(
        chat,
        new ChatCompletionOptions()
        {
            ResponseFormat = ChatResponseFormat.CreateJsonSchemaFormat(
                        "calenderEvent",
                        BinaryData.FromString(jsonSchema))
        });

// Write the structured response
await foreach (var chatUpdate in chatUpdates)
{
    foreach (var contentPart in chatUpdate.ContentUpdate)
    {
        Console.Write(contentPart.Text);
    }
}

// The class for the structured response
public class CalendarEvent()
{
    public string Name { get; set; }
    public string Date { get; set; }
    public List<string> Participants { get; set; }
}

using Azure.AI.OpenAI;
using Newtonsoft.Json.Schema.Generation;
using OpenAI.Chat;
using System.ClientModel;

// Create the clients
string endpoint = GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT");

AzureOpenAIClient openAIClient = new(
    new Uri(endpoint),
    new DefaultAzureCredential());

var chatClient = openAIClient.GetChatClient("gpt-4o");

// Local function to be used by the assistant tooling
string GetTemperature(string ___location, string date)
{
    // Placeholder for Weather API
    if(___location == "Seattle" && date == "2025-06-01")
    {
        return "75";
    }

    return "50";
}

// Create a tool to get the temperature
ChatTool GetTemperatureTool = ChatTool.CreateFunctionTool(
    functionName: nameof(GetTemperature),
    functionSchemaIsStrict: true,
    functionDescription: "Get the projected temperature by date and ___location.",
    functionParameters: BinaryData.FromBytes("""
        {
            "type": "object",
            "properties": {
                "___location": {
                    "type": "string",
                    "description": "The ___location of the weather."
                },
                "date": {
                    "type": "string",
                    "description": "The date of the projected weather."
                }
            },
            "required": ["___location", "date"],
            "additionalProperties": false  
        }
        """u8.ToArray())
);

// Create a chat with prompts
var chat = new List<ChatMessage>()
    {
         new SystemChatMessage("Extract the event information and projected weather."),
         new UserChatMessage("Alice and Bob are going to a science fair in Seattle on June 1st, 2025.")
    };

// Create a JSON schema for the CalendarEvent structured response
JSchemaGenerator generator = new JSchemaGenerator();
var jsonSchema = generator.Generate(typeof(CalendarEvent)).ToString();

// Get a chat completion from the AI model
var completion = chatClient.CompleteChat(
        chat,
        new ChatCompletionOptions()
        {
            ResponseFormat = ChatResponseFormat.CreateJsonSchemaFormat(
                "calenderEvent",
                BinaryData.FromString(jsonSchema)),
            Tools = { GetTemperatureTool }
        });

Console.WriteLine(completion.Value.ToolCalls[0].FunctionName);

// Structured response class
public class CalendarEvent()
{
    public string Name { get; set; }
    public string Date { get; set; }
    public string Temperature { get; set; }
    public List<string> Participants { get; set; }
}

using Azure.AI.OpenAI;
using Newtonsoft.Json.Schema.Generation;
using OpenAI.Chat;
using System.ClientModel;

// Create the clients
string endpoint = GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT");
string key = GetEnvironmentVariable("AZURE_OPENAI_API_KEY");

AzureOpenAIClient openAIClient = new(
    new Uri(endpoint),
    new ApiKeyCredential(key));

var chatClient = openAIClient.GetChatClient("gpt-4o");

// Local function to be used by the assistant tooling
string GetTemperature(string ___location, string date)
{
    // Placeholder for Weather API
    if(___location == "Seattle" && date == "2025-06-01")
    {
        return "75";
    }

    return "50";
}

// Create a tool to get the temperature
ChatTool GetTemperatureTool = ChatTool.CreateFunctionTool(
    functionName: nameof(GetTemperature),
    functionSchemaIsStrict: true,
    functionDescription: "Get the projected temperature by date and ___location.",
    functionParameters: BinaryData.FromBytes("""
        {
            "type": "object",
            "properties": {
                "___location": {
                    "type": "string",
                    "description": "The ___location of the weather."
                },
                "date": {
                    "type": "string",
                    "description": "The date of the projected weather."
                }
            },
            "required": ["___location", "date"],
            "additionalProperties": false  
        }
        """u8.ToArray())
);

// Create a chat with prompts
var chat = new List<ChatMessage>()
    {
         new SystemChatMessage("Extract the event information and projected weather."),
         new UserChatMessage("Alice and Bob are going to a science fair in Seattle on June 1st, 2025.")
    };

// Create a JSON schema for the CalendarEvent structured response
JSchemaGenerator generator = new JSchemaGenerator();
var jsonSchema = generator.Generate(typeof(CalendarEvent)).ToString();

// Get a chat completion from the AI model
var completion = chatClient.CompleteChat(
        chat,
        new ChatCompletionOptions()
        {
            ResponseFormat = ChatResponseFormat.CreateJsonSchemaFormat(
                "calenderEvent",
                BinaryData.FromString(jsonSchema)),
            Tools = { GetTemperatureTool }
        });

Console.WriteLine(completion.Value.ToolCalls[0].FunctionName);

// Structured response class
public class CalendarEvent()
{
    public string Name { get; set; }
    public string Date { get; set; }
    public string Temperature { get; set; }
    public List<string> Participants { get; set; }
}