BotSharp/src/Plugins/BotSharp.Plugin.LLamaSharp/Providers/TextCompletionProvider.cs
Haiping Chen fbd3c6f0ca Fix #167
2023-10-11 19:59:09 -05:00

59 lines
1.7 KiB
C#

using BotSharp.Abstraction.Conversations;
using BotSharp.Abstraction.MLTasks;
using BotSharp.Plugin.LLamaSharp.Settings;
using BotSharp.Plugins.LLamaSharp;
using LLama;
using LLama.Common;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using System.Threading.Tasks;
namespace BotSharp.Plugin.LLamaSharp.Providers;
public class TextCompletionProvider : ITextCompletion
{
private readonly IServiceProvider _services;
private readonly ILogger _logger;
private readonly LlamaSharpSettings _settings;
private readonly ITokenStatistics _tokenStatistics;
private string _model;
public string Provider => "llama-sharp";
public TextCompletionProvider(IServiceProvider services,
ILogger<TextCompletionProvider> logger,
LlamaSharpSettings settings,
ITokenStatistics tokenStatistics)
{
_services = services;
_logger = logger;
_settings = settings;
_tokenStatistics = tokenStatistics;
}
public Task<string> GetCompletion(string text)
{
var llama = _services.GetRequiredService<LlamaAiModel>();
llama.LoadModel(_model);
var executor = new InstructExecutor(llama.Model.CreateContext(llama.Params));
var inferenceParams = new InferenceParams() { Temperature = 0.5f, MaxTokens = 128 };
_tokenStatistics.StartTimer();
string totalResponse = "";
foreach (var response in executor.Infer(text, inferenceParams))
{
Console.Write(response);
totalResponse += response;
}
_tokenStatistics.StopTimer();
return Task.FromResult(totalResponse);
}
public void SetModelName(string model)
{
_model = model;
}
}