Facundo Batista - It's not magic: descriptors exposed This talk shows the Python Descriptors, detailing their behaviour with a detailed practical example, so we can understand the power and flexibility they give. As a bonus track, class decorators are explained. ----- This talk presents, using a detailed practical example, the Python Descriptos. The behaviour of descriptors mechanisms is detailed, showing their power and flexibility. Finally, as a bonus track and to complete the used practical example, class descriptors are explained.