#!/user/bin/python # -*- coding: utf-8 -*- """ Description: 图注表注去除 Create: 2024/12/5 15:43 """ import re import time from typing import Dict, Any from loguru import logger from datamate.core.base_op import Mapper class LegendCleaner(Mapper): @staticmethod def _get_legend_re_compile(): chinese_legend_prefix = r"(图|表|图片|表格)" chinese_legend_number = r"(\d+((\.|-)\d+)*|[a-zA-Z]{1,2}((\.|-)\d+)*)" chinese_legend_pattern = r"(?<=\n)" + chinese_legend_prefix + "( )*" + chinese_legend_number + " +.*\n" english_legend_pattern = r"(Figure|Table|Fig\.?)" english_legend_number = r"(S?\d+((\.|-)\d+)*|[a-zA-Z]{1,2}\d?((\.|-)\d+)*)" english_legend_pattern = (r"(?<=\n)" + english_legend_pattern + "( )*" + english_legend_number + r"(\.|:)? +.*\n") legend_re_compile = re.compile('|'.join([chinese_legend_pattern, english_legend_pattern]), re.IGNORECASE) return legend_re_compile @classmethod def _clean_html_tag(cls, input_data: str): """移除文档中图注表注等""" input_data = ''.join(['\n', input_data, '\n']) text = cls._get_legend_re_compile().sub("", input_data) return text[1:-1] def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]: start = time.time() self.read_file_first(sample) sample[self.text_key] = self._clean_html_tag(sample[self.text_key]) logger.info(f"fileName: {sample[self.filename_key]}, method: LegendCleaner costs {time.time() - start:6f} s") return sample