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 format

def 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')

# 处理多个文件

for i in range(19):

   txtname = 'titles\\title'+str(i+1)+'.txt'

   txt2srt(txtname)

# 处理一个文件

txtname = 'RNN.txt'

txt2srt(txtname)

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Step3

已整理好，可前往此处下载

http://download.csdn.net/download/qq_33039859/10109206

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作者：GoHust_Liu

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