An instance method is a wrapper for a PyCFunction and the new way to bind a PyCFunction to a class object. It replaces the former call PyMethod_New(func, NULL, class).
PyTypeObject PyInstanceMethod_Type This instance of PyTypeObject represents the Python instance method type. It is not exposed to Python programs.
int PyInstanceMethod_Check(PyObject *o) Return true if o is an instance method object (has type PyInstanceMethod_Type). The parameter must not be NULL. This function always succeeds.
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.
PyObject *PyInstanceMethod_Function(PyObject *im) Return the function object associated with the instance method im.
PyObject *PyInstanceMethod_GET_FUNCTION(PyObject *im) Macro version of PyInstanceMethod_Function() which avoids error checking.
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