Fixed calling repr on non pythonnet types e..g ironpython

mcneel · May 26, 2024 · 19b64fb · 19b64fb
1 parent 2914f98
commit 19b64fb
Showing 1 changed file with 16 additions and 10 deletions.
diff --git a/src/runtime/Types/ClassBase.cs b/src/runtime/Types/ClassBase.cs
@@ -325,18 +325,24 @@ public static NewReference tp_repr(BorrowedReference ob)
                 }
 
                 var instType = co.inst.GetType();
-
-                //if __repr__ is defined, use it
-                var methodInfo = instType.GetMethod("__repr__");
-                if (methodInfo != null && methodInfo.IsPublic)
+                // NOTE:
+                // Only do this for types from this assembly otherwise the signature
+                // of __repr__ might be different (e.g. IronPython types) and
+                // .Invoke will throw a parameter mismatch exception
+                if (ReferenceEquals(instType.Assembly, typeof(ClassBase).Assembly))
                 {
-                    if (methodInfo.Invoke(co.inst, null) is string reprString)
+                    //if __repr__ is defined, use it
+                    var methodInfo = instType.GetMethod("__repr__");
+                    if (methodInfo != null && methodInfo.IsPublic)
                     {
-                        return Runtime.PyString_FromString(reprString);
-                    }
-                    else
-                    {
-                        return new NewReference(Runtime.PyNone);
+                        if (methodInfo.Invoke(co.inst, null) is string reprString)
+                        {
+                            return Runtime.PyString_FromString(reprString);
+                        }
+                        else
+                        {
+                            return new NewReference(Runtime.PyNone);
+                        }
                     }
                 }