python实现m3u8格式转换为mp4视频格式

# -*- coding:utf-8 -*- import sys import os from glob import glob #获取需要转换的路径 def get_user_path(argv_dir):   if os.path.isdir(argv_dir):     return argv_dir   elif os.path.isabs(argv_dir):     return argv_dir   else:     return False #对转换的TS文件进行排序     def get_sorted_ts(user_path):   ts_list = glob(os.path.join(user_path,'*.ts'))   #print(ts_list)   boxer = []   for ts in ts_list:     if os.path.exists(ts):       #print(os.path.splitext(os.path.basename(ts)))       file,_ = os.path.splitext(os.path.basename(ts))       boxer.append(int(file))   boxer.sort()   #print(boxer)   return boxer #文件合并   def convert_m3u8(boxer,o_file_name):   #cmd_arg = str(ts0)+"+"+str(ts1)+" "+o_file_name   tmp = []   for ts in boxer:     tmp.append(str(ts)+'.ts')   cmd_str = '+'.join(tmp)   exec_str = "copy /b "+cmd_str+' '+o_file_name   #print("copy /b "+cmd_str+' '+o_file_name)   os.system(exec_str)           if __name__=='__main__':   #print(sys.argv[1:])   argv_len = len(sys.argv)   if argv_len == 3:     o_dir,o_file_name =sys.argv[1:]     #print(o_dir+":"+o_file_name)     user_path = get_user_path(o_dir)     #print(user_path)     if not user_path:       print("您输入的路径不正确，:-(");     else:       if os.path.exists(os.path.join(user_path,o_file_name)):         print('目标文件已存在，程序停止运行。')         exit(0)       os.chdir(user_path)       #convert_m3u8('2.ts','4.ts',o_file_name)       boxer = get_sorted_ts(user_path)       convert_m3u8(boxer,o_file_name)       #print(os.getcwd())   else:     print("参数个数非法");