display.py 文件源码

def start(self, args, config):
        super(DisplayPlugin, self).start(args, config)

        if args.pattern_help:
            self.__print_pattern_help()
            return

        if not _have_grako:
            console.printError(u"Unknown module 'grako'" + os.linesep +
                               u"Please install grako! " +
                               u"E.g. $ pip install grako")
            self.__return_code = 2
            return

        if args.pattern_string is not None:
            self.__pattern = Pattern(args.pattern_string)
        if args.pattern_file is not None:
            pfile = open(args.pattern_file, "r")
            self.__pattern = Pattern(''.join(pfile.read().splitlines()))
            pfile.close()
        self.__output_ending = "" if args.no_newline else os.linesep