How to use the labelme.utils.addActions function in labelme

def populateModeActions(self):
        tool, menu = self.actions.tool, self.actions.menu
        self.tools.clear()
        utils.addActions(self.tools, tool)
        self.canvas.menus[0].clear()
        utils.addActions(self.canvas.menus[0], menu)
        self.menus.edit.clear()
        actions = (
            self.actions.createMode,
            self.actions.createRectangleMode,
            self.actions.createCircleMode,
            self.actions.createLineMode,
            self.actions.createPointMode,
            self.actions.createLineStripMode,
            self.actions.editMode,
        )
        utils.addActions(self.menus.edit, actions + self.actions.editMenu)

def menu(self, title, actions=None):
        menu = self.menuBar().addMenu(title)
        if actions:
            utils.addActions(menu, actions)
        return menu

onShapesPresent=(saveAs, hideAll, showAll),
        )

        self.canvas.edgeSelected.connect(self.canvasShapeEdgeSelected)
        self.canvas.vertexSelected.connect(self.actions.removePoint.setEnabled)

        self.menus = utils.struct(
            file=self.menu(self.tr('&File')),
            edit=self.menu(self.tr('&Edit')),
            view=self.menu(self.tr('&View')),
            help=self.menu(self.tr('&Help')),
            recentFiles=QtWidgets.QMenu(self.tr('Open &Recent')),
            labelList=labelMenu,
        )

        utils.addActions(
            self.menus.file,
            (
                open_,
                openNextImg,
                openPrevImg,
                opendir,
                self.menus.recentFiles,
                save,
                saveAs,
                saveAuto,
                changeOutputDir,
                saveWithImageData,
                close,
                deleteFile,
                None,
                quit,

def populateModeActions(self):
        tool, menu = self.actions.tool, self.actions.menu
        self.tools.clear()
        utils.addActions(self.tools, tool)
        self.canvas.menus[0].clear()
        utils.addActions(self.canvas.menus[0], menu)
        self.menus.edit.clear()
        actions = (
            self.actions.createMode,
            self.actions.createRectangleMode,
            self.actions.createCircleMode,
            self.actions.createLineMode,
            self.actions.createPointMode,
            self.actions.createLineStripMode,
            self.actions.editMode,
        )
        utils.addActions(self.menus.edit, actions + self.actions.editMenu)

tool, menu = self.actions.tool, self.actions.menu
        self.tools.clear()
        utils.addActions(self.tools, tool)
        self.canvas.menus[0].clear()
        utils.addActions(self.canvas.menus[0], menu)
        self.menus.edit.clear()
        actions = (
            self.actions.createMode,
            self.actions.createRectangleMode,
            self.actions.createCircleMode,
            self.actions.createLineMode,
            self.actions.createPointMode,
            self.actions.createLineStripMode,
            self.actions.editMode,
        )
        utils.addActions(self.menus.edit, actions + self.actions.editMenu)

def toolbar(self, title, actions=None):
        toolbar = ToolBar(title)
        toolbar.setObjectName('%sToolBar' % title)
        # toolbar.setOrientation(Qt.Vertical)
        toolbar.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
        if actions:
            utils.addActions(toolbar, actions)
        self.addToolBar(Qt.LeftToolBarArea, toolbar)
        return toolbar

showAll,
                None,
                zoomIn,
                zoomOut,
                zoomOrg,
                None,
                fitWindow,
                fitWidth,
                None,
            ),
        )

        self.menus.file.aboutToShow.connect(self.updateFileMenu)

        # Custom context menu for the canvas widget:
        utils.addActions(self.canvas.menus[0], self.actions.menu)
        utils.addActions(
            self.canvas.menus[1],
            (
                action('&Copy here', self.copyShape),
                action('&Move here', self.moveShape),
            ),
        )

        self.tools = self.toolbar('Tools')
        # Menu buttons on Left
        self.actions.tool = (
            open_,
            opendir,
            openNextImg,
            openPrevImg,
            save,

None,
                zoomIn,
                zoomOut,
                zoomOrg,
                None,
                fitWindow,
                fitWidth,
                None,
            ),
        )

        self.menus.file.aboutToShow.connect(self.updateFileMenu)

        # Custom context menu for the canvas widget:
        utils.addActions(self.canvas.menus[0], self.actions.menu)
        utils.addActions(
            self.canvas.menus[1],
            (
                action('&Copy here', self.copyShape),
                action('&Move here', self.moveShape),
            ),
        )

        self.tools = self.toolbar('Tools')
        # Menu buttons on Left
        self.actions.tool = (
            open_,
            opendir,
            openNextImg,
            openPrevImg,
            save,
            deleteFile,