Quick tool to put together timed lyr file and a translation of the song given same lines

lyrmerge.py

import sys
import re


lyrReg = re.compile('^\\[\\d+:\\d+\\.\\d+\\]\\s+?$', re.MULTILINE)
def readInFile(filename, isTiming=True):
    out = []
    with open(filename, 'r', encoding='UTF-8') as f:
        for line in f:
            line = line.strip()
            if not line:
                continue
            if isTiming and lyrReg.match(line):
                continue
            out.append(line)
    return out


def addTranslate(krtext, entext):
    kr = readInFile(krtext, True)
    en = readInFile(entext, False)
    
    if len(kr) != len(en):
        raise Exception('Lyric lines mismatch! Difference: ' + str(len(kr)-len(en)))

    for i in range(len(kr)):
        if en[i] == '%skip%':
            continue
        kr[i] += '\n' + en[i]
    
    return(kr)


if __name__ == '__main__':
    if len(sys.argv) != 3:
        print('Usage: translate.py lyricsWithTiming.txt langToAdd.txt')
    tr = addTranslate(sys.argv[1], sys.argv[2])
    print('\n'.join(tr))
    #print(readInFile('kr.lrc'))