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.. highlightlang:: c
.. _instancemethod-objects:
Instance Method Objects
-----------------------
.. index:: object: instancemethod
An instance method is a wrapper for a :cdata:`PyCFunction` and the new way
to bind a :cdata:`PyCFunction` to a class object. It replaces the former call
``PyMethod_New(func, NULL, class)``.
.. cvar:: PyTypeObject PyInstanceMethod_Type
This instance of :ctype:`PyTypeObject` represents the Python instance
method type. It is not exposed to Python programs.
.. cfunction:: int PyInstanceMethod_Check(PyObject *o)
Return true if *o* is an instance method object (has type
:cdata:`PyInstanceMethod_Type`). The parameter must not be *NULL*.
.. cfunction:: PyObject* PyInstanceMethod_New(PyObject *func)
Return a new instance method object, with *func* being any callable object
*func* is is the function that will be called when the instance method is
called.
.. cfunction:: PyObject* PyInstanceMethod_Function(PyObject *im)
Return the function object associated with the instance method *im*.
.. cfunction:: PyObject* PyInstanceMethod_GET_FUNCTION(PyObject *im)
Macro version of :cfunc:`PyInstanceMethod_Function` which avoids error checking.
.. _method-objects:
Method Objects
--------------
.. index:: object: method
Methods are bound function objects. Methods are always bound to an instance of
an user-defined class. Unbound methods (methods bound to a class object) are
no longer available.
.. cvar:: PyTypeObject PyMethod_Type
.. index:: single: MethodType (in module types)
This instance of :ctype:`PyTypeObject` represents the Python method type. This
is exposed to Python programs as ``types.MethodType``.
.. cfunction:: int PyMethod_Check(PyObject *o)
Return true if *o* is a method object (has type :cdata:`PyMethod_Type`). The
parameter must not be *NULL*.
.. cfunction:: 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 is the function that will
be called when the method is called. *self* must not be *NULL*.
.. cfunction:: PyObject* PyMethod_Function(PyObject *meth)
Return the function object associated with the method *meth*.
.. cfunction:: PyObject* PyMethod_GET_FUNCTION(PyObject *meth)
Macro version of :cfunc:`PyMethod_Function` which avoids error checking.
.. cfunction:: PyObject* PyMethod_Self(PyObject *meth)
Return the instance associated with the method *meth*.
.. cfunction:: PyObject* PyMethod_GET_SELF(PyObject *meth)
Macro version of :cfunc:`PyMethod_Self` which avoids error checking.
.. cfunction:: int PyMethod_ClearFreeList(void)
Clear the free list. Return the total number of freed items.
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