def _get_article_content(self, afile, output=None):
        if not os.path.exists(afile):
            slog.error(afile%'The file "%s" is inexistance!')
            return None, None, None, None
        txt = read_file(afile)

        outputdir, baseurl, namepre = self._get_output_arg(afile, output)

        html, md, txt = wpcmd.md.convert(txt, outputdir, baseurl, namepre)
        medias = self._get_medias(txt)
        meta = self._get_article_metadata(md.metadata)
        return html,meta,txt,medias
dataset/ETHPy150Open zrong/wpcmd/wpcmd/update.py/UpdateAction._get_article_content/swapped operands of `%`