Descriptor Objects — Python 2.7.18 documentation

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# 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.

  New in version 2.2.

PyObject* `PyDescr_NewGetSet`(PyTypeObject *type, struct PyGetSetDef *getset)
  Return value: New reference.

  New in version 2.2.

PyObject* `PyDescr_NewMember`(PyTypeObject *type, struct PyMemberDef *meth)
  Return value: New reference.

  New in version 2.2.

PyObject* `PyDescr_NewMethod`(PyTypeObject *type, struct PyMethodDef *meth)
  Return value: New reference.

  New in version 2.2.

PyObject* `PyDescr_NewWrapper`(PyTypeObject *type, struct wrapperbase *wrapper, void *wrapped)
  Return value: New reference.

  New in version 2.2.

PyObject* `PyDescr_NewClassMethod`(PyTypeObject *type, PyMethodDef *method)
  Return value: New reference.

  New in version 2.3.

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.

  New in version 2.2.

PyObject* `PyWrapper_New`(PyObject *, PyObject *)
  Return value: New reference.

  New in version 2.2.