PythonTypeName property added to the PythonException object.

dse · dse · commit c9afb7ad758d · 2018-01-13T18:17:18.000+04:00
diff --git a/src/embed_tests/TestPythonException.cs b/src/embed_tests/TestPythonException.cs
@@ -40,5 +40,19 @@ public void TestNoError()
             var e = new PythonException(); // There is no PyErr to fetch
             Assert.AreEqual("", e.Message);
         }
+
+        [Test]
+        public void TestPythonErrorTypeName()
+        {
+            try
+            {
+                var module = PythonEngine.ImportModule("really____unknown___module");
+                Assert.Fail("Unknown module should not be loaded");
+            }
+            catch (PythonException ex)
+            {
+                Assert.AreEqual(ex.PythonTypeName, "ModuleNotFoundError");
+            }
+        }
     }
 }
diff --git a/src/runtime/pythonexception.cs b/src/runtime/pythonexception.cs
@@ -13,6 +13,7 @@ public class PythonException : System.Exception
         private IntPtr _pyTB = IntPtr.Zero;
         private string _tb = "";
         private string _message = "";
+        private string _pythonTypeName = "";
         private bool disposed = false;
 
         public PythonException()
@@ -33,6 +34,8 @@ public PythonException()
                     type = pyTypeName.ToString();
                 }
 
+                _pythonTypeName = type;
+
                 Runtime.XIncref(_pyValue);
                 using (var pyValue = new PyObject(_pyValue))
                 {
@@ -132,6 +135,13 @@ public override string StackTrace
             get { return _tb; }
         }
 
+        /// <summary>
+        /// Python error type name.
+        /// </summary>
+        public string PythonTypeName
+        {
+            get { return _pythonTypeName; }
+        }
 
         /// <summary>
         /// Dispose Method
