Files
hhhhsc701 d59c167da4 算子将抽取与落盘固定到流程中 (#134)
* feature: 将抽取动作移到每一个算子中

* feature: 落盘算子改为默认执行

* feature: 优化前端展示

* feature: 使用pyproject管理依赖
2025-12-05 17:26:29 +08:00

32 lines
1020 B
Python

#!/user/bin/python
# -*- coding: utf-8 -*-
"""
Description: 不可见字符去除
Create: 2025/01/13
"""
import re
import time
from typing import Dict, Any
from loguru import logger
from datamate.core.base_op import Mapper
class InvisibleCharactersCleaner(Mapper):
@staticmethod
def _invisible_characters_filter(input_data: str):
# 移除ASCII中不可见字符,包括0-7、14-19 21-31、127-160的字符
invisible_char_pattern = '[\x00-\x07|\x0E-\x13|\x15-\x1F|\x7F-\xA0]'
invisible_chars_re = re.compile(invisible_char_pattern)
return invisible_chars_re.sub('', input_data)
def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]:
start = time.time()
self.read_file_first(sample)
sample[self.text_key] = self._invisible_characters_filter(sample[self.text_key])
logger.info(f"fileName: {sample[self.filename_key]}, "
f"method: InvisibleCharactersCleaner costs {time.time() - start:6f} s")
return sample