internal static FileInfo PreprocessLanguage(
FileInfo languageFile,
DirectoryInfo directory,
string languageCode,
FileInfo spmModel,
bool includePlaceholderTags,
bool includeTagPairs)
{
var preprocessedFile = new FileInfo(Path.Combine(directory.FullName, $"preprocessed_{languageFile.Name}"));
var spFile = new FileInfo(Path.Combine(directory.FullName, $"sp_{languageFile.Name}"));
using (var rawFile = languageFile.OpenText())
using (var preprocessedWriter = new StreamWriter(preprocessedFile.FullName))
{
String line;
while ((line = rawFile.ReadLine()) != null)
{
var preprocessedLine = MarianHelper.PreprocessLine(line, languageCode, includePlaceholderTags, includeTagPairs);
preprocessedWriter.WriteLine(preprocessedLine);
}
}
var spArgs = $"{preprocessedFile.FullName} --model {spmModel.FullName} --output {spFile.FullName}";
var spmProcess = MarianHelper.StartProcessInBackgroundWithRedirects("spm_encode.exe", spArgs);
spmProcess.WaitForExit();
return(spFile);
}
private void PreprocessInput()
{
var sourceSpm = this.customDir.GetFiles("source.spm").Single();
var targetSpm = this.customDir.GetFiles("target.spm").Single();
this.spSource = MarianHelper.PreprocessLanguage(this.customSource, this.customDir, this.sourceCode, sourceSpm, this.includePlaceholderTags, this.includeTagPairs);
this.spTarget = MarianHelper.PreprocessLanguage(this.customTarget, this.customDir, this.targetCode, targetSpm, this.includePlaceholderTags, this.includeTagPairs);
this.spValidSource = MarianHelper.PreprocessLanguage(this.validationSource, this.customDir, this.sourceCode, sourceSpm, this.includePlaceholderTags, this.includeTagPairs);
this.spValidTarget = MarianHelper.PreprocessLanguage(this.validationTarget, this.customDir, this.targetCode, targetSpm, this.includePlaceholderTags, this.includeTagPairs);
}
internal Process BatchTranslate(List <string> input)
{
Log.Information($"Starting batch translator for model {this.SystemName}.");
var cmd = "TranslateBatchSentencePiece.bat";
FileInfo spInput = this.PreprocessInput(input);
FileInfo spOutput = new FileInfo(
spInput.FullName.Replace($".{SourceCode}", $".{TargetCode}"));
var args = $"{this.modelDir.FullName} {spInput.FullName} {spOutput.FullName} --log-level=info --quiet";
var batchProcess = MarianHelper.StartProcessInBackgroundWithRedirects(cmd, args);
batchProcess.Exited += (x, y) => BatchProcess_Exited(input, spOutput, x, y);
return(batchProcess);
}
private FileInfo PreprocessInput(List <string> input)
{
var fileGuid = Guid.NewGuid();
var srcFile = new FileInfo(Path.Combine(Path.GetTempPath(), $"{fileGuid}.{this.SourceCode}"));
using (var srcStream = new StreamWriter(srcFile.FullName, true, Encoding.UTF8))
{
foreach (var line in input)
{
srcStream.WriteLine(line);
}
}
var spmModel = this.modelDir.GetFiles("source.spm").Single();
var spSrcFile = MarianHelper.PreprocessLanguage(srcFile, new DirectoryInfo(Path.GetTempPath()), this.SourceCode, spmModel, this.includePlaceholderTags, this.includeTagPairs);
return(spSrcFile);
}
public void Customize(EventHandler exitHandler)
{
//First copy the model to new dir
try
{
this.CopyModelDir(this.modelDir, this.customLabel);
}
catch (Exception ex)
{
Log.Information($"Customization failed: {ex.Message}");
return;
}
//Preprocess input files
this.PreprocessInput();
var decoderYaml = this.customDir.GetFiles("decoder.yml").Single();
var deserializer = new Deserializer();
var decoderSettings = deserializer.Deserialize <MarianDecoderConfig>(decoderYaml.OpenText());
MarianTrainerConfig trainingConfig;
using (var reader = new StreamReader(FiskmoMTEngineSettings.Default.CustomizationBaseConfig))
{
trainingConfig = deserializer.Deserialize <MarianTrainerConfig>(reader);
}
trainingConfig.TrainSets = new List <string>
{
spSource.FullName,
spTarget.FullName
};
trainingConfig.ValidSets = new List <string>
{
spValidSource.FullName,
spValidTarget.FullName
};
trainingConfig.vocabs = new List <string>
{
Path.Combine(this.customDir.FullName, decoderSettings.vocabs[0]),
Path.Combine(this.customDir.FullName, decoderSettings.vocabs[0])
};
trainingConfig.validLog = Path.Combine(this.customDir.FullName, "valid.log");
trainingConfig.log = Path.Combine(this.customDir.FullName, "train.log");
trainingConfig.model = Path.Combine(this.customDir.FullName, decoderSettings.models.Single());
var serializer = new Serializer();
var configPath = Path.Combine(this.customDir.FullName, "customize.yml");
using (var writer = File.CreateText(configPath))
{
serializer.Serialize(writer, trainingConfig, typeof(MarianTrainerConfig));
}
//var trainingArgs = $"--config {configPath} --log-level=warn";
var trainingArgs = $"--config {configPath} --log-level=info --quiet";
var trainProcess = MarianHelper.StartProcessInBackgroundWithRedirects("marian.exe", trainingArgs);
if (exitHandler != null)
{
trainProcess.Exited += exitHandler;
}
}
