code: def _qteRunQueuedMacro(self, macroName: str,
                             widgetObj: QtGui.QWidget=None,
                             keysequence: QtmacsKeysequence=None):
          app = qteGetAppletFromWidget(widgetObj)
          if app is not None:
              if sip.isdeleted(app):
                  msg = 'Ignored macro <b>{}</b> because it targeted a'
                  msg += '  nonexistent applet.'.format(macroName)
                  self.qteLogger.warning(msg)
                  return
          macroObj = self.qteGetMacroObject(macroName, widgetObj)
          if macroObj is None:
              msg = 'No <b>{}</b>-macro compatible with {}:{}-type applet'
              msg = msg.format(macroName, app.qteAppletSignature(),
                               widgetObj._qteAdmin.widgetSignature)
              self.qteLogger.warning(msg)
              return
          self.qteDefVar('last_key_sequence', keysequence,
                         doc="Last valid key sequence that triggered a macro.")
          if app is None:
              macroObj.qteApplet = macroObj.qteWidget = None
          else:
              macroObj.qteApplet = app
              macroObj.qteWidget = widgetObj
          macroObj.qtePrepareToRun()