Instance Method Objects

.. index:: object: instancemethod

An instance method is a wrapper for a :c:data:`PyCFunction` and the new way to bind a :c:data:`PyCFunction` to a class object. It replaces the former call PyMethod_New(func, NULL, class).

.. c:var:: PyTypeObject PyInstanceMethod_Type

 This instance of :c:type:`PyTypeObject` represents the Python instance
 method type. It is not exposed to Python programs.

.. c:function:: int PyInstanceMethod_Check(PyObject *o)

 Return true if *o* is an instance method object (has type
 :c:data:`PyInstanceMethod_Type`). The parameter must not be ``NULL``.

.. c:function:: PyObject* PyInstanceMethod_New(PyObject *func)

 Return a new instance method object, with *func* being any callable object
 *func* is the function that will be called when the instance method is
 called.

.. c:function:: PyObject* PyInstanceMethod_Function(PyObject *im)

 Return the function object associated with the instance method *im*.

.. c:function:: PyObject* PyInstanceMethod_GET_FUNCTION(PyObject *im)

 Macro version of :c:func:`PyInstanceMethod_Function` which avoids error checking.

Method Objects

.. index:: object: method

Methods are bound function objects. Methods are always bound to an instance of a user-defined class. Unbound methods (methods bound to a class object) are no longer available.

.. c:var:: PyTypeObject PyMethod_Type

 .. index:: single: MethodType (in module types)

 This instance of :c:type:`PyTypeObject` represents the Python method type. This
 is exposed to Python programs as ``types.MethodType``.

.. c:function:: int PyMethod_Check(PyObject *o)

 Return true if *o* is a method object (has type :c:data:`PyMethod_Type`). The
 parameter must not be ``NULL``.

.. c:function:: PyObject* PyMethod_New(PyObject *func, PyObject *self)

 Return a new method object, with *func* being any callable object and *self*
 the instance the method should be bound. *func* is the function that will
 be called when the method is called. *self* must not be ``NULL``.

.. c:function:: PyObject* PyMethod_Function(PyObject *meth)

 Return the function object associated with the method *meth*.

.. c:function:: PyObject* PyMethod_GET_FUNCTION(PyObject *meth)

 Macro version of :c:func:`PyMethod_Function` which avoids error checking.

.. c:function:: PyObject* PyMethod_Self(PyObject *meth)

 Return the instance associated with the method *meth*.

.. c:function:: PyObject* PyMethod_GET_SELF(PyObject *meth)

 Macro version of :c:func:`PyMethod_Self` which avoids error checking.

.. c:function:: int PyMethod_ClearFreeList()

 Clear the free list. Return the total number of freed items.

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