openai/openai-dotnet
Publicmirrored from https://github.com/openai/openai-dotnetAvailable
examples/Responses/Example04_FunctionCallingStreamingAsync.cs
114lines · modecode
| 1 | using NUnit.Framework; |
| 2 | using OpenAI.Responses; |
| 3 | using System; |
| 4 | using System.ClientModel; |
| 5 | using System.Collections.Generic; |
| 6 | using System.Linq; |
| 7 | using System.Text.Json; |
| 8 | using System.Threading.Tasks; |
| 9 | |
| 10 | namespace OpenAI.Examples; |
| 11 | |
| 12 | // This example uses experimental APIs which are subject to change. To use experimental APIs, |
| 13 | // please acknowledge their experimental status by suppressing the corresponding warning. |
| 14 | #pragma warning disable OPENAI001 |
| 15 | |
| 16 | public partial class ResponseExamples |
| 17 | { |
| 18 | // See Example03_FunctionCalling.cs for the tool and function definitions. |
| 19 | |
| 20 | [Test] |
| 21 | public async Task Example04_FunctionCallingStreamingAsync() |
| 22 | { |
| 23 | ResponsesClient client = new(model: "gpt-5", apiKey: Environment.GetEnvironmentVariable("OPENAI_API_KEY")); |
| 24 | |
| 25 | List<ResponseItem> inputItems = |
| 26 | [ |
| 27 | ResponseItem.CreateUserMessageItem("What's the weather like today for my current location?"), |
| 28 | ]; |
| 29 | |
| 30 | PrintMessageItems(inputItems.OfType<MessageResponseItem>()); |
| 31 | |
| 32 | bool requiresAction; |
| 33 | |
| 34 | do |
| 35 | { |
| 36 | requiresAction = false; |
| 37 | |
| 38 | CreateResponseOptions options = new(inputItems) |
| 39 | { |
| 40 | Tools = { getCurrentLocationTool, getCurrentWeatherTool }, |
| 41 | StreamingEnabled = true, |
| 42 | }; |
| 43 | |
| 44 | AsyncCollectionResult<StreamingResponseUpdate> responseUpdates = client.CreateResponseStreamingAsync(options); |
| 45 | |
| 46 | await foreach (StreamingResponseUpdate update in responseUpdates) |
| 47 | { |
| 48 | if (update is StreamingResponseOutputItemAddedUpdate outputItemAddedUpdated) |
| 49 | { |
| 50 | if (outputItemAddedUpdated.Item is MessageResponseItem message && message.Role == MessageRole.Assistant) |
| 51 | { |
| 52 | Console.WriteLine($"[ASSISTANT]:"); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | if (update is StreamingResponseOutputTextDeltaUpdate outputTextUpdate) |
| 57 | { |
| 58 | Console.Write(outputTextUpdate.Delta); |
| 59 | } |
| 60 | |
| 61 | if (update is StreamingResponseOutputItemDoneUpdate outputItemDoneUpdate) |
| 62 | { |
| 63 | inputItems.Add(outputItemDoneUpdate.Item); |
| 64 | |
| 65 | if (outputItemDoneUpdate.Item is FunctionCallResponseItem functionCall) |
| 66 | { |
| 67 | switch (functionCall.FunctionName) |
| 68 | { |
| 69 | case nameof(GetCurrentLocation): |
| 70 | { |
| 71 | string functionOutput = GetCurrentLocation(); |
| 72 | inputItems.Add(new FunctionCallOutputResponseItem(functionCall.CallId, functionOutput)); |
| 73 | break; |
| 74 | } |
| 75 | |
| 76 | case nameof(GetCurrentWeather): |
| 77 | { |
| 78 | // The arguments that the model wants to use to call the function are specified as a |
| 79 | // stringified JSON object based on the schema defined in the tool definition. Note that |
| 80 | // the model may hallucinate arguments too. Consequently, it is important to do the |
| 81 | // appropriate parsing and validation before calling the function. |
| 82 | using JsonDocument argumentsJson = JsonDocument.Parse(functionCall.FunctionArguments); |
| 83 | bool hasLocation = argumentsJson.RootElement.TryGetProperty("location", out JsonElement location); |
| 84 | bool hasUnit = argumentsJson.RootElement.TryGetProperty("unit", out JsonElement unit); |
| 85 | |
| 86 | if (!hasLocation) |
| 87 | { |
| 88 | throw new ArgumentNullException(nameof(location), "The location argument is required."); |
| 89 | } |
| 90 | |
| 91 | string functionOutput = hasUnit |
| 92 | ? GetCurrentWeather(location.GetString(), unit.GetString()) |
| 93 | : GetCurrentWeather(location.GetString()); |
| 94 | inputItems.Add(new FunctionCallOutputResponseItem(functionCall.CallId, functionOutput)); |
| 95 | break; |
| 96 | } |
| 97 | |
| 98 | default: |
| 99 | { |
| 100 | // Handle other unexpected calls. |
| 101 | throw new NotImplementedException(); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | requiresAction = true; |
| 106 | break; |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | } while (requiresAction); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | #pragma warning restore OPENAI001 |