86 lines
2.6 KiB
C#
86 lines
2.6 KiB
C#
using Azure.AI.OpenAI;
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using BotSharp.Abstraction.MLTasks;
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using System;
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using System.Threading.Tasks;
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using BotSharp.Plugin.AzureOpenAI.Settings;
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using Microsoft.Extensions.Logging;
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using BotSharp.Abstraction.Conversations;
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using Microsoft.Extensions.DependencyInjection;
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using BotSharp.Abstraction.Conversations.Models;
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using BotSharp.Abstraction.Agents.Enums;
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namespace BotSharp.Plugin.AzureOpenAI.Providers;
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public class TextCompletionProvider : ITextCompletion
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{
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private readonly IServiceProvider _services;
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private readonly AzureOpenAiSettings _settings;
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private readonly ILogger _logger;
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private readonly ITokenStatistics _tokenStatistics;
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private string _model;
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public string Provider => "azure-openai";
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public TextCompletionProvider(IServiceProvider services,
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AzureOpenAiSettings settings,
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ILogger<TextCompletionProvider> logger,
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ITokenStatistics tokenStatistics)
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{
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_services = services;
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_settings = settings;
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_logger = logger;
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_tokenStatistics = tokenStatistics;
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}
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public async Task<string> GetCompletion(string text)
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{
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var (client, _) = ProviderHelper.GetClient(_model, _settings);
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var completionsOptions = new CompletionsOptions()
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{
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Prompts =
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{
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text
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},
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MaxTokens = 256,
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};
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completionsOptions.StopSequences.Add($"{AgentRole.Assistant}:");
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var state = _services.GetRequiredService<IConversationStateService>();
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var temperature = float.Parse(state.GetState("temperature", "0.5"));
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var samplingFactor = float.Parse(state.GetState("sampling_factor", "0.5"));
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completionsOptions.Temperature = temperature;
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completionsOptions.NucleusSamplingFactor = samplingFactor;
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_tokenStatistics.StartTimer();
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var response = await client.GetCompletionsAsync(
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deploymentOrModelName: _settings.DeploymentModel.TextCompletionModel,
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completionsOptions);
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_tokenStatistics.StopTimer();
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_tokenStatistics.AddToken(new TokenStatsModel
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{
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Model = _model,
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PromptCount = response.Value.Usage.PromptTokens,
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CompletionCount = response.Value.Usage.CompletionTokens,
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PromptCost = 0.0015f,
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CompletionCost = 0.002f
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});
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// OpenAI
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var completion = "";
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foreach (var t in response.Value.Choices)
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{
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completion += t.Text;
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};
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_logger.LogInformation(text);
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return completion.Trim();
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}
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public void SetModelName(string model)
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{
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_model = model;
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}
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}
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