Python3.7 读取音频根据文件名生成字幕脚本

import librosa
import os

g = os.walk(r"mp3") 

def calTime(time):
    sec = int(time)
    micSec = time - sec
    
    timeStr = ''
    if (sec < 10):
        timeStr += '0' + str(sec)
    else:
        timeStr += str(sec)

    if micSec == 0:
        timeStr += ',000'
    else:
        timeStr += ',' + str(round(micSec * 1000))

    return timeStr

for path,dir_list,file_list in g:  
    for file_name in file_list:
        filename = str('mp3/') + file_name
        time = librosa.get_duration(filename = 'mp3/' + file_name)
        split = file_name.strip('.mp3').split('-')
        count = file_name.count('-') + 1
        average = time / count
        # y, sr = librosa.audioread('phonics_demo/' + file_name, sr=None)
        # print(sr)
        if count > 1:
            for inx, val in enumerate(split):
                # print(time)
                f = open("srt/" + file_name + ".srt",'a')
                f.write(str(inx + 1))
                f.write('\n')
                start = calTime((inx + 1) * average)
                end = calTime((inx + 2) * average)
                if inx == 0:
                    f.write("00:00:00,000" + " --> " + "00:00:" + start)
                else:
                    f.write("00:00:" + start + " --> " + "00:00:" + end)
                f.write('\n')
                f.write(val)
                f.write('\n\n')