pythonnet · sefgit · Dec 26, 2023 · Dec 26, 2023 · Dec 29, 2023
diff --git a/AUTHORS.md b/AUTHORS.md
@@ -86,3 +86,4 @@
 -   ([@gpetrou](https://github.com/gpetrou))
 -   Ehsan Iran-Nejad ([@eirannejad](https://github.com/eirannejad))
 -   ([@legomanww](https://github.com/legomanww))
+-   Effendi Soewono ([@sefgit](https://github.com/sefgit))
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,7 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].

 ### Fixed

+- Improve loader (AddReference) robustness. Ignore and print loader error and try to continue to load if possible.

 ## [3.0.3](https://github.com/pythonnet/pythonnet/releases/tag/v3.0.3) - 2023-10-11


diff --git a/src/runtime/AssemblyManager.cs b/src/runtime/AssemblyManager.cs
@@ -414,6 +414,10 @@ internal static Type[] GetTypes(Assembly a)
                catch (ReflectionTypeLoadException exc)
                {
                    // Return all types that were successfully loaded
+                    foreach (var item in exc.LoaderExceptions)
+                    {
+                        Debug.WriteLine("[pythonnet] {0}", item.Message);
+                    }
                    return exc.Types.Where(x => x != null && IsExported(x)).ToArray();
                }
            }
@@ -425,8 +429,31 @@ internal static Type[] GetTypes(Assembly a)
                }
                catch (FileNotFoundException)
                {
+                    Debug.WriteLine("[pythonnet] {0} File not found", a.GetName());
+                    return new Type[0];
+                }
+                catch (System.TypeLoadException e)
+                {
+                    try
+                    {
+                        return a.GetTypes().Where(IsExported).ToArray();
+                    }
+                    catch (ReflectionTypeLoadException exc)
+                    {
+                        foreach (var item in exc.LoaderExceptions)
+                        {
+                            Debug.WriteLine("[pythonnet] {0}", item.Message);
+                        }
+                        // Return all types that were successfully loaded
+                        return exc.Types.Where(x => x != null && IsExported(x)).ToArray();
+                    }
+                }
+                catch (Exception e) // System.TypeLoadException
+                {
+                    Debug.WriteLine("[pythonnet] {0} {1}", a.GetName(), e);
                    return new Type[0];
                }
+
            }
        }