“Descriptors” are objects that describe some attribute of an object. They are found in the dictionary of type objects.
PyProperty_Type
The type object for the built-in descriptor types.
New in version 2.2.
PyDescr_NewGetSet
(PyTypeObject *type, struct PyGetSetDef *getset)New in version 2.2.
PyDescr_NewMember
(PyTypeObject *type, struct PyMemberDef *meth)New in version 2.2.
PyDescr_NewMethod
(PyTypeObject *type, struct PyMethodDef *meth)New in version 2.2.
PyDescr_NewWrapper
(PyTypeObject *type, struct wrapperbase *wrapper, void *wrapped)New in version 2.2.
PyDescr_NewClassMethod
(PyTypeObject *type, PyMethodDef *method)New in version 2.3.
PyDescr_IsData
(PyObject *descr)Return true if the descriptor objects descr describes a data attribute, or false if it describes a method. descr must be a descriptor object; there is no error checking.
New in version 2.2.