wehub-resource-sync
73 lines
2.9 KiB
C#
73 lines
2.9 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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using Microsoft.SemanticKernel;
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using Microsoft.SemanticKernel.Agents.OpenAI;
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using Microsoft.SemanticKernel.ChatCompletion;
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using OpenAI.Assistants;
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using Resources;
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namespace GettingStarted.OpenAIAssistants;
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/// <summary>
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/// Demonstrate providing image input to <see cref="OpenAIAssistantAgent"/> .
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/// </summary>
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public class Step03_Assistant_Vision(ITestOutputHelper output) : BaseAssistantTest(output)
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{
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/// <summary>
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/// Azure currently only supports message of type=text.
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/// </summary>
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protected override bool ForceOpenAI => true;
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[Fact]
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public async Task UseImageContentWithAssistant()
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{
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// Define the assistant
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Assistant assistant =
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await this.AssistantClient.CreateAssistantAsync(
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this.Model,
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metadata: SampleMetadata);
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// Create the agent
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OpenAIAssistantAgent agent = new(assistant, this.AssistantClient);
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// Upload an image
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await using Stream imageStream = EmbeddedResource.ReadStream("cat.jpg")!;
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string fileId = await this.Client.UploadAssistantFileAsync(imageStream, "cat.jpg");
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// Create a thread for the agent conversation.
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OpenAIAssistantAgentThread thread = new(this.AssistantClient, metadata: SampleMetadata);
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// Respond to user input
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try
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{
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// Refer to public image by url
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await InvokeAgentAsync(CreateMessageWithImageUrl("Describe this image.", "https://upload.wikimedia.org/wikipedia/commons/thumb/4/47/New_york_times_square-terabass.jpg/1200px-New_york_times_square-terabass.jpg"));
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await InvokeAgentAsync(CreateMessageWithImageUrl("What are is the main color in this image?", "https://upload.wikimedia.org/wikipedia/commons/5/56/White_shark.jpg"));
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// Refer to uploaded image by file-id.
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await InvokeAgentAsync(CreateMessageWithImageReference("Is there an animal in this image?", fileId));
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}
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finally
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{
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await thread.DeleteAsync();
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await this.AssistantClient.DeleteAssistantAsync(agent.Id);
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await this.Client.DeleteFileAsync(fileId);
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}
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// Local function to invoke agent and display the conversation messages.
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async Task InvokeAgentAsync(ChatMessageContent message)
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{
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this.WriteAgentChatMessage(message);
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await foreach (ChatMessageContent response in agent.InvokeAsync(message, thread))
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{
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this.WriteAgentChatMessage(response);
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}
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}
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}
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private ChatMessageContent CreateMessageWithImageUrl(string input, string url)
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=> new(AuthorRole.User, [new TextContent(input), new ImageContent(new Uri(url))]);
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private ChatMessageContent CreateMessageWithImageReference(string input, string fileId)
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=> new(AuthorRole.User, [new TextContent(input), new FileReferenceContent(fileId)]);
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}
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