Fix IO Exception from keras.fit.

AsakusaRinne · Oceania2018 · commit 10f66f0bafa2 · 2022-11-25T19:03:58.000-06:00
diff --git a/src/TensorFlowNET.Keras/Engine/Model.Fit.cs b/src/TensorFlowNET.Keras/Engine/Model.Fit.cs
@@ -137,7 +137,10 @@ void on_train_batch_begin(int verbose, long step, long elapse, IEnumerable<(stri
                     remaining += ".";
 
                 Binding.tf_output_redirect.Write($"{step + 1:D4}/{data_handler.Inferredsteps:D4} [{progress}{remaining}] - {elapse}ms/step {result_pairs}");
-                Console.CursorLeft = 0;
+                if (!Console.IsOutputRedirected)
+                {
+                    Console.CursorLeft = 0;
+                }
             }
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,10 @@ void on_train_batch_begin(int verbose, long step, long elapse, IEnumerable<(stri`
`137`	`137`	`remaining += ".";`
`138`	`138`
`139`	`139`	`Binding.tf_output_redirect.Write($"{step + 1:D4}/{data_handler.Inferredsteps:D4} [{progress}{remaining}] - {elapse}ms/step {result_pairs}");`
`140`		`- Console.CursorLeft = 0;`
	`140`	`+ if (!Console.IsOutputRedirected)`
	`141`	`+ {`
	`142`	`+ Console.CursorLeft = 0;`
	`143`	`+ }`
`141`	`144`	`}`
`142`	`145`	`}`
`143`	`146`	`}`