def METHOD_NAME(self):
    cls = self.__self__.cls
    modname = cls.__module__
    module = sys.modules[modname]
    filename = getattr(module, '__file__', None)
    if filename is not None:
        filename = os.path.abspath(filename)
    return (nose.util.src(filename), modname, "%s.%s" % (cls.__name__,
                                                    self._func.__name__))