expose ImageCms.core.CmsTransform

Author: nulano

Tests/test_imagecms.py

@@ -522,6 +522,15 @@ def test_profile_typesafety() -> None:
             ImageCms.core.CmsProfile(0)
 
 
+@pytest.mark.skipif(is_pypy(), reason="fails on PyPy")
+def test_transform_typesafety() -> None:
+    # core transform should not be directly instantiable
+    with pytest.raises(TypeError):
+        ImageCms.core.CmsProfile()
+    with pytest.raises(TypeError):
+        ImageCms.core.CmsProfile(0)
+
+
 def assert_aux_channel_preserved(
     mode: str, transform_in_place: bool, preserved_channel: str
 ) -> None:

src/_imagingcms.c

@@ -1518,6 +1518,9 @@ setup_module(PyObject *m) {
     Py_INCREF(&CmsProfile_Type);
     PyModule_AddObject(m, "CmsProfile", (PyObject *)&CmsProfile_Type);
 
+    Py_INCREF(&CmsTransform_Type);
+    PyModule_AddObject(m, "CmsTransform", (PyObject *)&CmsTransform_Type);
+
     d = PyModule_GetDict(m);
 
     /* this check is also in PIL.features.pilinfo() */