fix #134

import math

import copy

import cv2

import re

from utils.imgproc_utils import union_area, xywh2xyxypoly, rotate_polygons, color_difference

LANG_LIST = ['eng', 'ja', 'unknown']

LANGCLS2IDX = {'eng': 0, 'ja': 1, 'unknown': 2}

# https://ayaka.shn.hk/hanregex/

# https://medium.com/the-artificial-impostor/detecting-chinese-characters-in-unicode-strings-4ac839ba313a

CJKPATTERN = re.compile(r'[\uac00-\ud7a3\u3040-\u30ff\u4e00-\u9FFF]')

class TextBlock(object):

    def __init__(self, xyxy: List, 

                 lines: List = None, 

        text = ''

        for t in self.text:

            if text and t:

                if text[-1].isalpha() and t[0].isalpha():

                if text[-1].isalpha() and t[0].isalpha() \

                    and CJKPATTERN.search(text[-1]) is None \

                    and CJKPATTERN.search(t[0]) is None:

                    text += ' '

            text += t

    def sub_text(self, text: str) -> str:

        for ii, subpair in enumerate(self.sublist):

            k = subpair['keyword']

            if not k:

            if k == '':

                continue

            regexr = k

                LOGGER.error(f'Invalid regex expression at line {ii}:')

                LOGGER.error(traceback.format_exc())

                continue

        #     print(f'k: {k}, {text}')

        # print('text: ', text)

        return text

 No newline at end of file