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examples/Assistants/Example01_RetrievalAugmentedGeneration.cs

152lines · modecode

1using NUnit.Framework;
2using OpenAI.Assistants;
3using OpenAI.Files;
4using System;
5using System.ClientModel;
6using System.IO;
7using System.Threading;
8
9namespace OpenAI.Examples;
10
11// This example uses experimental APIs which are subject to change. To use experimental APIs,
12// please acknowledge their experimental status by suppressing the corresponding warning.
13#pragma warning disable OPENAI001
14
15public partial class AssistantExamples
16{
17 [Test]
18 public void Example01_RetrievalAugmentedGeneration()
19 {
20 OpenAIClient openAIClient = new(Environment.GetEnvironmentVariable("OPENAI_API_KEY"));
21 OpenAIFileClient fileClient = openAIClient.GetOpenAIFileClient();
22 AssistantClient assistantClient = openAIClient.GetAssistantClient();
23
24 // First, let's contrive a document we'll use retrieval with and upload it.
25 using Stream document = BinaryData.FromBytes("""
26 {
27 "description": "This document contains the sale history data for Contoso products.",
28 "sales": [
29 {
30 "month": "January",
31 "by_product": {
32 "113043": 15,
33 "113045": 12,
34 "113049": 2
35 }
36 },
37 {
38 "month": "February",
39 "by_product": {
40 "113045": 22
41 }
42 },
43 {
44 "month": "March",
45 "by_product": {
46 "113045": 16,
47 "113055": 5
48 }
49 }
50 ]
51 }
52 """u8.ToArray()).ToStream();
53
54 OpenAIFile salesFile = fileClient.UploadFile(
55 document,
56 "monthly_sales.json",
57 FileUploadPurpose.Assistants);
58
59 // Now, we'll create a client intended to help with that data
60 AssistantCreationOptions assistantOptions = new()
61 {
62 Name = "Example: Contoso sales RAG",
63 Instructions =
64 "You are an assistant that looks up sales data and helps visualize the information based"
65 + " on user queries. When asked to generate a graph, chart, or other visualization, use"
66 + " the code interpreter tool to do so.",
67 Tools =
68 {
69 new FileSearchToolDefinition(),
70 new CodeInterpreterToolDefinition(),
71 },
72 ToolResources = new()
73 {
74 FileSearch = new()
75 {
76 NewVectorStores =
77 {
78 new VectorStoreCreationHelper([salesFile.Id]),
79 }
80 }
81 },
82 };
83
84 Assistant assistant = assistantClient.CreateAssistant("gpt-4o", assistantOptions);
85
86 // Now we'll create a thread with a user query about the data already associated with the assistant, then run it
87 ThreadCreationOptions threadOptions = new()
88 {
89 InitialMessages = { "How well did product 113045 sell in February? Graph its trend over time." }
90 };
91
92 ThreadRun threadRun = assistantClient.CreateThreadAndRun(assistant.Id, threadOptions);
93
94 // Check back to see when the run is done
95 do
96 {
97 Thread.Sleep(TimeSpan.FromSeconds(1));
98 threadRun = assistantClient.GetRun(threadRun.ThreadId, threadRun.Id);
99 } while (!threadRun.Status.IsTerminal);
100
101 // Finally, we'll print out the full history for the thread that includes the augmented generation
102 CollectionResult<ThreadMessage> messages
103 = assistantClient.GetMessages(threadRun.ThreadId, new MessageCollectionOptions() { Order = MessageCollectionOrder.Ascending });
104
105 foreach (ThreadMessage message in messages)
106 {
107 Console.Write($"[{message.Role.ToString().ToUpper()}]: ");
108 foreach (MessageContent contentItem in message.Content)
109 {
110 if (!string.IsNullOrEmpty(contentItem.Text))
111 {
112 Console.WriteLine($"{contentItem.Text}");
113
114 if (contentItem.TextAnnotations.Count > 0)
115 {
116 Console.WriteLine();
117 }
118
119 // Include annotations, if any.
120 foreach (TextAnnotation annotation in contentItem.TextAnnotations)
121 {
122 if (!string.IsNullOrEmpty(annotation.InputFileId))
123 {
124 Console.WriteLine($"* File citation, file ID: {annotation.InputFileId}");
125 }
126 if (!string.IsNullOrEmpty(annotation.OutputFileId))
127 {
128 Console.WriteLine($"* File output, new file ID: {annotation.OutputFileId}");
129 }
130 }
131 }
132 if (!string.IsNullOrEmpty(contentItem.ImageFileId))
133 {
134 OpenAIFile imageInfo = fileClient.GetFile(contentItem.ImageFileId);
135 BinaryData imageBytes = fileClient.DownloadFile(contentItem.ImageFileId);
136 using FileStream stream = File.OpenWrite($"{imageInfo.Filename}.png");
137 imageBytes.ToStream().CopyTo(stream);
138
139 Console.WriteLine($"<image: {imageInfo.Filename}.png>");
140 }
141 }
142 Console.WriteLine();
143 }
144
145 // Optionally, delete any persistent resources you no longer need.
146 _ = assistantClient.DeleteThread(threadRun.ThreadId);
147 _ = assistantClient.DeleteAssistant(assistant.Id);
148 _ = fileClient.DeleteFile(salesFile.Id);
149 }
150}
151
152#pragma warning restore OPENAI001