How to use the rope.base.exceptions function in rope

def _check_redefinition(self, name, function_scope):
        class_scope = function_scope.parent
        if name in class_scope.pyobject:
            raise exceptions.RefactoringError(
                'The field %s already exists' % name)

def newfunc(*args, **kwds):
        try:
            return func(*args, **kwds)
        except exceptions.RopeError as e:
            short = None
            if isinstance(e, input_exceptions):
                if not raise_exceptions:
                    return error_return
                short = _exception_message(e)
            logger(str(traceback.format_exc()), short)
    newfunc.__name__ = func.__name__

def _create_resource(self, file_name, kind='file'):
        resource_path = self.project._get_resource_path(file_name)
        if os.path.exists(resource_path):
            raise exceptions.RopeError('Resource <%s> already exists'
                                       % resource_path)
        resource = self.project.get_file(file_name)
        if not resource.parent.exists():
            raise exceptions.ResourceNotFoundError(
                'Parent folder of <%s> does not exist' % resource.path)
        fscommands = self._get_fscommands(resource)
        try:
            if kind == 'file':
                fscommands.create_file(resource_path)
            else:
                fscommands.create_folder(resource_path)
        except IOError as e:
            raise exceptions.RopeError(e)

def __init__(self, project, resource, offset):
        self.project = project
        self.resource = resource
        self.offset = offset
        self._set_name_and_pyname()
        if self.pyname is None or self.pyname.get_object() is None or \
           not isinstance(self.pyname.get_object(), pyobjects.PyFunction):
            raise rope.base.exceptions.RefactoringError(
                'Change method signature should be performed on functions')

def redo(self, change=None, task_handle=taskhandle.NullTaskHandle()):
        """Redo undone changes from the history

        When `change` is `None`, the last undone change will be
        redone.  If change is not `None` it should be an item from
        `self.redo_list`; this change and all changes that depend on
        it will be redone.  In both cases the list of redone changes
        will be returned.

        """
        if not self.redo_list:
            raise exceptions.HistoryError('Redo list is empty')
        if change is None:
            change = self.redo_list[-1]
        dependencies = self._find_dependencies(self.redo_list, change)
        self._move_front(self.redo_list, dependencies)
        self._perform_redos(len(dependencies), task_handle)
        return self.undo_list[-len(dependencies):]

def _get_factory_method(self, lines, class_scope,
                            factory_name, global_):
        unit_indents = ' ' * sourceutils.get_indent(self.project)
        if global_:
            if self._get_scope_indents(lines, class_scope) > 0:
                raise rope.base.exceptions.RefactoringError(
                    'Cannot make global factory method for nested classes.')
            return ('\ndef %s(*args, **kwds):\n%sreturn %s(*args, **kwds)\n' %
                    (factory_name, unit_indents, self.old_name))
        unindented_factory = \
            ('@staticmethod\ndef %s(*args, **kwds):\n' % factory_name +
             '%sreturn %s(*args, **kwds)\n' % (unit_indents, self.old_name))
        indents = self._get_scope_indents(lines, class_scope) + \
            sourceutils.get_indent(self.project)
        return '\n' + sourceutils.indent_lines(unindented_factory, indents)

def find_implementations(project, resource, offset, resources=None,
                         task_handle=taskhandle.NullTaskHandle()):
    """Find the places a given method is overridden.

    Finds the places a method is implemented.  Returns a list of
    `Location`\s.
    """
    name = worder.get_name_at(resource, offset)
    this_pymodule = project.pycore.resource_to_pyobject(resource)
    pyname = rope.base.evaluate.eval_location(this_pymodule, offset)
    if pyname is not None:
        pyobject = pyname.get_object()
        if not isinstance(pyobject, rope.base.pyobjects.PyFunction) or \
           pyobject.get_kind() != 'method':
            raise exceptions.BadIdentifierError('Not a method!')
    else:
        raise exceptions.BadIdentifierError('Cannot resolve the identifier!')

    def is_defined(occurrence):
        if not occurrence.is_defined():
            return False

    def not_self(occurrence):
        if occurrence.get_pyname().get_object() == pyname.get_object():
            return False
    filters = [is_defined, not_self,
               occurrences.InHierarchyFilter(pyname, True)]
    finder = occurrences.Finder(project.pycore, name, filters=filters)
    if resources is None:
        resources = project.get_python_files()
    job_set = task_handle.create_jobset('Finding Implementations',

def get_name_locations(self, name):
        """Return a list of ``(resource, lineno)`` tuples"""
        result = []
        pycore = self.project.pycore
        for module in self.names:
            if name in self.names[module]:
                try:
                    pymodule = pycore.get_module(module)
                    if name in pymodule:
                        pyname = pymodule[name]
                        module, lineno = pyname.get_definition_location()
                        if module is not None:
                            resource = module.get_module().get_resource()
                            if resource is not None and lineno is not None:
                                result.append((resource, lineno))
                except exceptions.ModuleNotFoundError:
                    pass
        return result

def update_resource(self, resource, underlined=None):
        """Update the cache for global names in `resource`"""
        try:
            pymodule = self.project.pycore.resource_to_pyobject(resource)
            modname = self._module_name(resource)
            self._add_names(pymodule, modname, underlined)
        except exceptions.ModuleSyntaxError:
            pass

def _init_source(self, pycore, source_code, resource):
        filename = 'string'
        if resource:
            filename = resource.path
        try:
            if source_code is None:
                source_bytes = resource.read_bytes()
                source_code = fscommands.file_data_to_unicode(source_bytes)
            else:
                if isinstance(source_code, unicode):
                    source_bytes = fscommands.unicode_to_file_data(source_code)
                else:
                    source_bytes = source_code
            ast_node = ast.parse(source_bytes, filename=filename)
        except SyntaxError as e:
            raise exceptions.ModuleSyntaxError(filename, e.lineno, e.msg)
        except UnicodeDecodeError as e:
            raise exceptions.ModuleSyntaxError(filename, 1, '%s' % (e.reason))
        return source_code, ast_node