symbian-qemu-0.9.1-12/python-2.6.1/Doc/c-api/method.rst
author bugtracker-ml@nttdocomo.com
Tue, 06 Apr 2010 17:00:22 +0100
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permissions -rw-r--r--
Merge BUG 1296
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.. highlightlang:: c
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.. _method-objects:
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Method Objects
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--------------
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.. index:: object: method
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There are some useful functions that are useful for working with method objects.
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.. cvar:: PyTypeObject PyMethod_Type
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   .. index:: single: MethodType (in module types)
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   This instance of :ctype:`PyTypeObject` represents the Python method type.  This
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   is exposed to Python programs as ``types.MethodType``.
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.. cfunction:: int PyMethod_Check(PyObject *o)
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   Return true if *o* is a method object (has type :cdata:`PyMethod_Type`).  The
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   parameter must not be *NULL*.
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.. cfunction:: PyObject* PyMethod_New(PyObject *func, PyObject *self, PyObject *class)
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   Return a new method object, with *func* being any callable object; this is the
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   function that will be called when the method is called.  If this method should
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   be bound to an instance, *self* should be the instance and *class* should be the
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   class of *self*, otherwise *self* should be *NULL* and *class* should be the
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   class which provides the unbound method..
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.. cfunction:: PyObject* PyMethod_Class(PyObject *meth)
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   Return the class object from which the method *meth* was created; if this was
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   created from an instance, it will be the class of the instance.
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.. cfunction:: PyObject* PyMethod_GET_CLASS(PyObject *meth)
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   Macro version of :cfunc:`PyMethod_Class` which avoids error checking.
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.. cfunction:: PyObject* PyMethod_Function(PyObject *meth)
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   Return the function object associated with the method *meth*.
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.. cfunction:: PyObject* PyMethod_GET_FUNCTION(PyObject *meth)
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   Macro version of :cfunc:`PyMethod_Function` which avoids error checking.
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.. cfunction:: PyObject* PyMethod_Self(PyObject *meth)
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   Return the instance associated with the method *meth* if it is bound, otherwise
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   return *NULL*.
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.. cfunction:: PyObject* PyMethod_GET_SELF(PyObject *meth)
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   Macro version of :cfunc:`PyMethod_Self` which avoids error checking.
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.. cfunction:: int PyMethod_ClearFreeList(void)
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   Clear the free list. Return the total number of freed items.
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   .. versionadded:: 2.6