https://pyobjc.readthedocs.io/en/latest/examples/Quartz/Core%20Image/CIBevelSample/index.html
CIBevelSample - PyObjC - the Python to Objective-C bridge
Download Example A PyObjC Example without documentation Sources: CIBevelView.py SampleCIView.py main.py setup.py
objective cpyobjcpythonbridge