Load a model by path

src/Microsoft.ML.Data/DataLoadSave/TransformerChain.cs

@@ -300,5 +300,13 @@ public static TransformerChain<ITransformer> LoadFrom(IHostEnvironment env, Stre
                 }
             }
         }
+
+        public static TransformerChain<ITransformer> LoadFromPath(IHostEnvironment env, string modelPath)
+        {
+            using (var stream = File.OpenRead(modelPath))
+            {
+                return LoadFrom(env, stream);
+            }
+        }
     }
 }

src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs

@@ -40,6 +40,13 @@ internal ModelOperationsCatalog(IHostEnvironment env)
         /// <returns>The loaded model.</returns>
         public ITransformer Load(Stream stream) => TransformerChain.LoadFrom(_env, stream);
 
+        /// <summary>
+        /// Load the model from a filePath of the model.
+        /// </summary>
+        /// <param name="modelPath">The path of the model to load./></param>
+        /// <returns>The loaded model.</returns>
+        public ITransformer Load(string modelPath) => TransformerChain.LoadFromPath(_env, modelPath);
+
         /// <summary>
         /// The catalog of model explainability operations.
         /// </summary>

test/Microsoft.ML.Tests/Scenarios/Api/CookbookSamples/CookbookSamplesDynamicApi.cs

@@ -130,9 +130,7 @@ private void TrainRegression(string trainDataPath, string testDataPath, string m
             // Potentially, the lines below can be in a different process altogether.
 
             // When you load the model, it's a 'dynamic' transformer. 
-            ITransformer loadedModel;
-            using (var stream = File.OpenRead(modelPath))
-                loadedModel = mlContext.Model.Load(stream);
+            ITransformer loadedModel = mlContext.Model.Load(modelPath);
         }
 
         [Fact]