Descriptor Objects — Python 3.9.23 documentation

# Descriptor Objects

“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.