lazyfrosch · November 7, 2022 17:44 · Nov 7, 2022 · Nov 7, 2022
diff --git a/test-dict-similar.py b/test-dict-similar.py
@@ -52,5 +52,8 @@ def __init__(self, irrelevant=None, **kwargs):
 TestObject(**d)
 TestObject(False, **d)
 
+# Workaround of course
+TestObject(irrelevant=False, **d.__dict__)
+
 # Does not work in Pypy...
 TestObject(irrelevant=False, **d)
diff --git a/test-dict-similar.py b/test-dict-similar.py
@@ -0,0 +1,56 @@
+"""
+Example class for a strange problem passing **kwargs to a class init function, when other args are passed as keywords too.
+
+DictSimilar behaves as a wrapper around dict, to provide an object for dict structures.
+
+Works in CPython 3.10.8
+
+Does NOT work in Pypy:
+  Python 3.9.12 (05fbe3aa5b0845e6c37239768aa455451aa5faba, Mar 29 2022, 08:15:34)
+  [PyPy 7.3.9 with GCC 10.2.1 20210130 (Red Hat 10.2.1-11)]
+  
+Also discussed in:
+https://github.com/ansible-collections/kubernetes.core/issues/447
+"""
+
+class DictSimilar():
+    """
+    Minimal test class, based on ResourceField from kubernetes.base.dynamic.resource
+
+    https://github.com/kubernetes-client/python/blob/master/kubernetes/base/dynamic/resource.py
+    """
+
+    def __init__(self, params):
+        self.__dict__.update(**params)
+
+    def __getitem__(self, name):
+        return self.__dict__.get(name)
+
+    def __getattr__(self, name):
+        return self.__dict__.get(name, getattr(self.__dict__, name, None))
+
+    def __setattr__(self, name, value):
+        self.__dict__[name] = value
+
+    def __iter__(self):
+        for k, v in self.__dict__.items():
+            yield (k, v)
+
+
+class TestObject():
+    def __init__(self, irrelevant=None, **kwargs):
+        print(kwargs)
+
+
+d = DictSimilar({
+    "a": 1234,
+    "b": "4567",
+    "c": True
+})
+
+# Works even in Pypy
+TestObject(**d)
+TestObject(False, **d)
+
+# Does not work in Pypy...
+TestObject(irrelevant=False, **d)