“Descriptors” are objects that describe some attribute of an object. They are found in the dictionary of type objects.

PyTypeObject PyProperty_Type

The type object for the built-in descriptor types.

PyObject* PyDescr_NewGetSet ( PyTypeObject  *type, struct PyGetSetDef  *getset )

Return value: New reference.

PyObject* PyDescr_NewMember ( PyTypeObject  *type, struct PyMemberDef  *meth )

Return value: New reference.

PyObject* PyDescr_NewMethod ( PyTypeObject  *type, struct PyMethodDef  *meth )

Return value: New reference.

PyObject* PyDescr_NewWrapper ( PyTypeObject  *type, struct wrapperbase  *wrapper, void  *wrapped )

Return value: New reference.

PyObject* PyDescr_NewClassMethod ( PyTypeObject  *type, PyMethodDef  *method )

Return value: New reference.

int 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.

PyObject* PyWrapper_New ( PyObject  *, PyObject  * )

Return value: New reference.