From 0015e9ce6821d4c4c6313d28eb3e0d1e58078078 Mon Sep 17 00:00:00 2001
From: Nulano <nulano@nulano.eu>
Date: Tue, 2 Jan 2024 00:25:57 +0100
Subject: [PATCH] expose ImageCms.core.CmsTransform

---
 Tests/test_imagecms.py | 9 +++++++++
 src/_imagingcms.c      | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/Tests/test_imagecms.py b/Tests/test_imagecms.py
index 821443e39..c80fab75b 100644
--- a/Tests/test_imagecms.py
+++ b/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:
diff --git a/src/_imagingcms.c b/src/_imagingcms.c
index 5ffb20a6a..b50c577d8 100644
--- a/src/_imagingcms.c
+++ b/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() */