from .widgets.toolbar import TiandituToolbar class TianDiTu: def __init__(self, iface): self.iface = iface self.toolbar = TiandituToolbar(self.iface) self.initGui() def initGui(self): self.iface.addToolBar(self.toolbar) def unload(self): """Unload from the QGIS interface""" self.toolbar.remove_dock() mw = self.iface.mainWindow() mw.removeToolBar(self.toolbar) self.toolbar.deleteLater()