diff --git a/AUTHORS.md b/AUTHORS.md
index b0d1f0c91..19cd4f5ed 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -45,6 +45,7 @@
- Luke Stratman ([@lstratman](https://github.com/lstratman))
- Konstantin Posudevskiy ([@konstantin-posudevskiy](https://github.com/konstantin-posudevskiy))
- Matthias Dittrich ([@matthid](https://github.com/matthid))
+- Meinrad Recheis ([@henon](https://github.com/henon))
- Mohamed Koubaa ([@koubaa](https://github.com/koubaa))
- Patrick Stewart ([@patstew](https://github.com/patstew))
- Raphael Nestler ([@rnestler](https://github.com/rnestler))
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f754cbc4e..13baf557e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,8 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].
- Added support for Jetson Nano.
- Added support for __len__ for .NET classes that implement ICollection
- Added PythonException.Format method to format exceptions the same as traceback.format_exception
+- Added Runtime.None to be able to pass None as parameter into Python from .NET
+- Added PyObject.IsNone() to check if a Python object is None in .NET.
### Changed
diff --git a/src/runtime/pyobject.cs b/src/runtime/pyobject.cs
index 96968e678..491c62e30 100644
--- a/src/runtime/pyobject.cs
+++ b/src/runtime/pyobject.cs
@@ -979,6 +979,10 @@ public bool IsTrue()
return Runtime.PyObject_IsTrue(obj) != 0;
}
+ ///
+ /// Return true if the object is None
+ ///
+ public bool IsNone() => CheckNone(this) == null;
///
/// Dir Method
diff --git a/src/runtime/runtime.cs b/src/runtime/runtime.cs
index 3d1fe2d39..2e06c9cba 100644
--- a/src/runtime/runtime.cs
+++ b/src/runtime/runtime.cs
@@ -473,6 +473,16 @@ private static void ResetPyMembers()
internal static IntPtr PyNone;
internal static IntPtr Error;
+ public static PyObject None
+ {
+ get
+ {
+ var none = Runtime.PyNone;
+ Runtime.XIncref(none);
+ return new PyObject(none);
+ }
+ }
+
///
/// Check if any Python Exceptions occurred.
/// If any exist throw new PythonException.