171108 将Youtube自动翻译字幕转换成srt文件本地播放

Step1
打开YouTube的字幕显示，手动复制到txt文件保存

Step2
将保存的txt程序运用下面代码转换成需要的srt文件，拖拽至视频即可播放

# -*- coding: utf-8 -*-"""Created on Wed Nov  8 09:22:22 2017@author: brucelau"""import re#%% define a function to transform the date formatdef time_format(cur):    time = cur.split(':')    hour = str(int(time[0])//60)    minute = str(int(time[0])-int(time[0])//60*60)    second = time[1]    return hour+':'+minute+':'+second +',000'    def txt2srt(filename):    #%% generate new titles    num = re.sub("\D", "", filename)    f1 = open(filename)    f2 = []    lines = f1.readlines()    for idx,time in enumerate(lines):        if idx%2==0 & idx<len(lines)-4:            cur = lines[idx]            try:                nex = lines[idx+2]                t1 = time_format(cur).replace('\n','')                t2 = time_format(nex).replace('\n','')                t3 = t1+" --> "+t2                f2.append(int(idx/2+1)) # order number                f2.append(t3)   # time                 f2.append(lines[idx+1]) # titles                except IndexError:                continue    f1.close()    #%% save the new titles to .txt file    srt_name = num + '. '+'Convex Optimization I Lecture '+num+'.srt'    title3 = open(srt_name,'w')     title3.writelines(["%s\n" % item  for item in f2])#%% genertate txt file for saving the titles#for i in range(19):#    title3 = open('title'+str(i+1)+'.txt','w') for i in range(19):    txtname = 'titles\\title'+str(i+1)+'.txt'    txt2srt(txtname)

Step3
已整理好，可前往此处下载
http://download.csdn.net/download/qq_33039859/10109206