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/Doc/c-api/method.rst

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 1.. highlightlang:: c
 2
 3.. _method-objects:
 4
 5Method Objects
 6--------------
 7
 8.. index:: object: method
 9
10There are some useful functions that are useful for working with method objects.
11
12
13.. cvar:: PyTypeObject PyMethod_Type
14
15   .. index:: single: MethodType (in module types)
16
17   This instance of :ctype:`PyTypeObject` represents the Python method type.  This
18   is exposed to Python programs as ``types.MethodType``.
19
20
21.. cfunction:: int PyMethod_Check(PyObject *o)
22
23   Return true if *o* is a method object (has type :cdata:`PyMethod_Type`).  The
24   parameter must not be *NULL*.
25
26
27.. cfunction:: PyObject* PyMethod_New(PyObject *func, PyObject *self, PyObject *class)
28
29   Return a new method object, with *func* being any callable object; this is the
30   function that will be called when the method is called.  If this method should
31   be bound to an instance, *self* should be the instance and *class* should be the
32   class of *self*, otherwise *self* should be *NULL* and *class* should be the
33   class which provides the unbound method..
34
35
36.. cfunction:: PyObject* PyMethod_Class(PyObject *meth)
37
38   Return the class object from which the method *meth* was created; if this was
39   created from an instance, it will be the class of the instance.
40
41
42.. cfunction:: PyObject* PyMethod_GET_CLASS(PyObject *meth)
43
44   Macro version of :cfunc:`PyMethod_Class` which avoids error checking.
45
46
47.. cfunction:: PyObject* PyMethod_Function(PyObject *meth)
48
49   Return the function object associated with the method *meth*.
50
51
52.. cfunction:: PyObject* PyMethod_GET_FUNCTION(PyObject *meth)
53
54   Macro version of :cfunc:`PyMethod_Function` which avoids error checking.
55
56
57.. cfunction:: PyObject* PyMethod_Self(PyObject *meth)
58
59   Return the instance associated with the method *meth* if it is bound, otherwise
60   return *NULL*.
61
62
63.. cfunction:: PyObject* PyMethod_GET_SELF(PyObject *meth)
64
65   Macro version of :cfunc:`PyMethod_Self` which avoids error checking.
66
67
68.. cfunction:: int PyMethod_ClearFreeList(void)
69
70   Clear the free list. Return the total number of freed items.
71
72   .. versionadded:: 2.6