76 lines
2 KiB
C#
76 lines
2 KiB
C#
using BotSharp.Core.Abstractions;
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using BotSharp.NLP;
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using BotSharp.NLP.Tokenize;
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using BotSharp.Platform.Models;
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using BotSharp.Platform.Models.MachineLearning;
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using Microsoft.Extensions.Configuration;
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading.Tasks;
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namespace BotSharp.Core.Engines.BotSharp
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{
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public class BotSharpTokenizer : INlpTrain, INlpPredict
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{
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public IConfiguration Configuration { get; set; }
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public PipeSettings Settings { get; set; }
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private TokenizerFactory _tokenizer;
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public BotSharpTokenizer()
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{
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}
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public async Task<bool> Predict(AgentBase agent, NlpDoc doc, PipeModel meta)
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{
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Init();
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doc.Tokenizer = this;
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// same as train
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doc.Sentences.ForEach(snt =>
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{
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snt.Tokens = _tokenizer.Tokenize(snt.Text);
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});
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return true;
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}
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public async Task<bool> Train(AgentBase agent, NlpDoc doc, PipeModel meta)
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{
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Init();
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doc.Tokenizer = this;
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doc.Sentences = new List<NlpDocSentence>();
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agent.Corpus.UserSays.ForEach(say =>
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{
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doc.Sentences.Add(new NlpDocSentence
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{
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Tokens = _tokenizer.Tokenize(say.Text),
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Text = say.Text,
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Intent = new TextClassificationResult { Label = say.Intent }
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});
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});
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return true;
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}
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private void Init()
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{
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if(_tokenizer == null)
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{
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_tokenizer = new TokenizerFactory(new TokenizationOptions
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{
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Pattern = Configuration.GetValue<String>("options:pattern")
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}, SupportedLanguage.English);
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string tokenizerName = Configuration.GetValue<String>($"tokenizer");
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_tokenizer.GetTokenizer(tokenizerName);
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}
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}
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}
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}
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