public static async Task <TrainingModels::Export> ExportIteration(
this ICustomVisionTrainingClient trainingApi, Guid projectId, Guid iterationId, string flavor = "onnx12", int timeoutInSecond = 30)
{
TimeSpan timeout = TimeSpan.FromSeconds(timeoutInSecond);
TrainingModels::Export exportIteration = null;
try
{
exportIteration = exportIteration = string.IsNullOrEmpty(flavor)
? await trainingApi.ExportIterationAsync(projectId, iterationId, platform)
: await trainingApi.ExportIterationAsync(projectId, iterationId, platform, flavor);
}
catch (HttpOperationException ex)
{
string exceptionContent = ex?.Response?.Content ?? string.Empty;
if (!exceptionContent.Contains("BadRequestExportAlreadyInProgress"))
{
throw ex;
}
}
DateTime startTime = DateTime.Now;
while (true)
{
IList <TrainingModels::Export> exports = await trainingApi.GetExportsAsync(projectId, iterationId);
exportIteration = string.IsNullOrEmpty(flavor)
? exports?.FirstOrDefault(x => string.Equals(x.Platform, platform, StringComparison.OrdinalIgnoreCase))
: exports?.FirstOrDefault(x => string.Equals(x.Platform, platform, StringComparison.OrdinalIgnoreCase) &&
string.Equals(x.Flavor, flavor, StringComparison.OrdinalIgnoreCase));
if (exportIteration?.Status == "Exporting")
{
await Task.Delay(1000);
}
else
{
break;
}
if (DateTime.Now - startTime > timeout)
{
throw new TimeoutException("The operation couldn't be completed due to a timeout.");
}
}
return(exportIteration);
}
public async void ExportTests()
{
using (MockContext context = MockContext.Start(this.GetType()))
{
HttpMockServer.Initialize(this.GetType(), "ExportTests", RecorderMode);
using (var project = CreateTrainedImageClassificationProject(ProjectBuilderHelper.ExportableDomain))
{
ICustomVisionTrainingClient client = BaseTests.GetTrainingClient();
var iterations = await client.GetIterationsAsync(project.ProjectId);
var exportableIteration = iterations.FirstOrDefault(e => e.Exportable);
Assert.NotNull(exportableIteration);
var export = await client.ExportIterationAsync(project.ProjectId, exportableIteration.Id, ExportPlatform.TensorFlow);
Assert.Equal("Exporting", export.Status);
Assert.Null(export.DownloadUri);
Assert.Equal(ExportPlatform.TensorFlow, export.Platform);
Assert.False(export.NewerVersionAvailable);
while (export.Status != "Done")
{
var exports = await client.GetExportsAsync(project.ProjectId, exportableIteration.Id);
Assert.Equal(1, exports.Count);
export = exports.Where(e => e.Platform == ExportPlatform.TensorFlow).FirstOrDefault();
Assert.NotNull(export);
Thread.Sleep(1000);
}
Assert.NotEmpty(export.DownloadUri);
}
}
}
public static async Task <TrainingModels::Export> ExportIteration(this ICustomVisionTrainingClient trainingApi, Guid projectId, Guid iterationId, int timeoutInSecond = 30)
{
TimeSpan timeout = TimeSpan.FromSeconds(timeoutInSecond);
TrainingModels::Export exportIteration = null;
try
{
exportIteration = await trainingApi.ExportIterationAsync(projectId, iterationId, platform);
}
catch (TrainingModels::CustomVisionErrorException ex)
{
if (ex.Body.Code != TrainingModels::CustomVisionErrorCodes.BadRequestExportAlreadyInProgress)
{
throw ex;
}
}
DateTime startTime = DateTime.Now;
while (true)
{
IList <TrainingModels::Export> exports = await trainingApi.GetExportsAsync(projectId, iterationId);
exportIteration = exports?.FirstOrDefault(x => string.Equals(x.Platform, platform, StringComparison.OrdinalIgnoreCase));
if (exportIteration?.Status == "Exporting")
{
await Task.Delay(1000);
}
else
{
break;
}
if (DateTime.Now - startTime > timeout)
{
throw new TimeoutException("The operation couldn't be completed due to a timeout.");
}
}
return(exportIteration);
}