xdot.py 文件源码

def open_file(self, filename):
        try:
            fp = file(filename, 'rt')
            self.set_dotcode(fp.read(), filename)
            fp.close()
        except IOError, ex:
            dlg = gtk.MessageDialog(type=gtk.MESSAGE_ERROR,
                                    message_format=str(ex),
                                    buttons=gtk.BUTTONS_OK)
            dlg.set_title('Dot Viewer')
            dlg.run()
            dlg.destroy()