__init__.py 文件源码

def load(self):
        """
        Performs whatever component needs to get loaded.
        Can be called multiple times without breaking anything, but returns
        True when called first time and then False every to signalize repeated
        call.
        """
        if self.loaded:
            return False
        self.builder = Gtk.Builder()
        self.builder.add_from_file(os.path.join(self.app.gladepath, self.GLADE))
        self.widget = self.builder.get_object(self.NAME)
        self.builder.connect_signals(self)
        self.loaded = True
        return True