def on_cleanup_error(function, path, excinfo):
                click.secho("warning: failed to remove file or directory: {}\n"
                            "please delete it manually.".format(path),
                            fg="red")
def __init__(self):
        self.factory = yui.YUI.widgetFactory()
        self.dialog = self.factory.createPopupDialog()
        mainvbox = self.factory.createVBox(self.dialog)
        frame    = self.factory.createFrame(mainvbox,"Test frame")
        HBox     = self.factory.createHBox(frame)
        self.aboutbutton = self.factory.createPushButton(HBox,"&About")
        self.closebutton = self.factory.createPushButton(self.factory.createRight(HBox), "&Close")