How to use the rope.base.pyobjects.PyObject function in rope

def __init__(self, *objects):
        self.objects = objects
        first = None
        if objects:
            first = objects[0]
        attributes = {
            '__getitem__': BuiltinName(BuiltinFunction(first)),
            '__getslice__': BuiltinName(BuiltinFunction(pyobjects.PyObject(self))),
            '__new__': BuiltinName(BuiltinFunction(function=self._new_tuple)),
            '__iter__': BuiltinName(BuiltinFunction(get_iterator(first)))}
        super(Tuple, self).__init__(tuple, attributes)

def _get_builtin_name(self, type_name):
        pytype = rope.base.builtins.builtins[type_name].get_object()
        return rope.base.pynames.UnboundName(
            rope.base.pyobjects.PyObject(pytype))

def _handle_first_parameter(pyobject, parameters):
    kind = pyobject.get_kind()
    if parameters is None or kind not in ['method', 'classmethod']:
        pass
    if not parameters:
        if not pyobject.get_param_names(special_args=False):
            return
        parameters.append(rope.base.pyobjects.get_unknown())
    if kind == 'method':
        parameters[0] = rope.base.pyobjects.PyObject(pyobject.parent)
    if kind == 'classmethod':
        parameters[0] = pyobject.parent

def __init__(self):
        self_object = pyobjects.PyObject(self)
        collector = _AttributeCollector(str)
        collector('__iter__', get_iterator(self_object), check_existence=False)

        self_methods = ['__getitem__', 'capitalize', 'center',
                        'encode', 'expandtabs', 'join', 'ljust',
                        'lower', 'lstrip', 'replace', 'rjust', 'rstrip',
                        'strip', 'swapcase', 'title', 'translate', 'upper',
                        'zfill']
        for method in self_methods:
            collector(method, self_object)

        py2_self_methods = ["__getslice__", "decode"]
        for method in py2_self_methods:
            try:
                collector(method, self_object)
            except AttributeError:

def _FunctionDef(self, node):
        pyfunction = PyFunction(self.pycore, node, self.owner_object)
        for decorator in pyfunction.decorators:
            if isinstance(decorator, ast.Name) and decorator.id == 'property':
                if isinstance(self, _ClassVisitor):
                    type_ = rope.base.builtins.Property(pyfunction)
                    arg = pynames.UnboundName(
                        rope.base.pyobjects.PyObject(self.owner_object))

                    def _eval(type_=type_, arg=arg):
                        return type_.get_property_object(
                            arguments.ObjectArguments([arg]))
                    self.names[node.name] = pynames.EvaluatedName(
                        _eval, module=self.get_module(), lineno=node.lineno)
                    break
        else:
            self.names[node.name] = pynames.DefinedName(pyfunction)
        self.defineds.append(pyfunction)

def __init__(self):
        self_object = pyobjects.PyObject(self)
        collector = _AttributeCollector(str)
        collector('__iter__', get_iterator(self_object), check_existence=False)

        self_methods = ['__getitem__', 'capitalize', 'center',
                        'encode', 'expandtabs', 'join', 'ljust',
                        'lower', 'lstrip', 'replace', 'rjust', 'rstrip', 'strip',
                        'swapcase', 'title', 'translate', 'upper', 'zfill']
        for method in self_methods:
            collector(method, self_object)

        for method in ['rsplit', 'split', 'splitlines']:
            collector(method, get_list(self_object))

        super(Str, self).__init__(str, collector.attributes)

def get_unknown():
    """Return a pyobject whose type is unknown

    Note that two unknown objects are equal.  So for example you can
    write::

      if pyname.get_object() == get_unknown():
          print('cannot determine what this pyname holds')

    Rope could have used `None` for indicating unknown objects but
    we had to check that in many places.  So actually this method
    returns a null object.

    """
    if PyObject._unknown is None:
        PyObject._unknown = PyObject(get_base_type('Unknown'))
    return PyObject._unknown

def _FunctionDef(self, node):
        pyfunction = PyFunction(self.pycore, node, self.owner_object)
        for decorator in pyfunction.decorators:
            if isinstance(decorator, ast.Name) and decorator.id == 'property':
                if isinstance(self, _ClassVisitor):
                    type_ = rope.base.builtins.Property(pyfunction)
                    arg = pynames.UnboundName(
                        rope.base.pyobjects.PyObject(self.owner_object))

                    def _eval(type_=type_, arg=arg):
                        return type_.get_property_object(
                            arguments.ObjectArguments([arg]))
                    self.names[node.name] = pynames.EvaluatedName(
                        _eval, module=self.get_module(), lineno=node.lineno)
                    break
        else:
            self.names[node.name] = pynames.DefinedName(pyfunction)
        self.defineds.append(pyfunction)

def _property_function(args):
    parameters = args.get_arguments(['fget', 'fset', 'fdel', 'fdoc'])
    return pyobjects.PyObject(Property(parameters[0]))

def __init__(self, *objects):
        self.objects = objects
        first = None
        if objects:
            first = objects[0]
        attributes = {
            '__getitem__': BuiltinName(BuiltinFunction(first)),
            '__getslice__': BuiltinName(BuiltinFunction(pyobjects.PyObject(self))),
            '__new__': BuiltinName(BuiltinFunction(function=self._new_tuple)),
            '__iter__': BuiltinName(BuiltinFunction(get_iterator(first)))}
        super(Tuple, self).__init__(tuple, attributes)