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Author: mtsokol

doc/release/upcoming_changes/27735.new_feature.rst

@@ -1,2 +1,3 @@
-* UFuncs new support `__dict__` attribute and allow overriding
-  `__doc__` (either directly or via `ufunc.__dict__["__doc__"]`).
+* UFuncs now support `__dict__` attribute and allow overriding `__doc__`
+  (either directly or via `ufunc.__dict__["__doc__"]`). `__dict__` can be
+  used to also override other properties, such as `__module__` or `__qualname__`.

numpy/_core/src/umath/ufunc_object.c

@@ -6448,12 +6448,7 @@ static int
 ufunc_set_doc(PyUFuncObject *ufunc, PyObject *doc, void *NPY_UNUSED(ignored))
 {
     if (doc == NULL) {
-        int result = PyDict_Contains(ufunc->dict, npy_interned_str.__doc__);
-        if (result == 1) {
-            return PyDict_DelItem(ufunc->dict, npy_interned_str.__doc__);
-        } else {
-            return result;
-        }
+        return PyDict_DelItem(ufunc->dict, npy_interned_str.__doc__);
     } else {
         return PyDict_SetItem(ufunc->dict, npy_interned_str.__doc__, doc);
     }

numpy/_core/tests/test_umath.py

@@ -4034,6 +4034,8 @@ def test_ufunc_docstring(self):
 
         del np.add.__dict__["__doc__"]
         assert np.add.__doc__ == original_doc
+        del np.add.__dict__["other"]
+        assert np.add.__dict__ == {}
 
 
 class TestChoose: