import os

 import shutil

 from pymediainfo import MediaInfo

 file_dir = r"D:\Movie\180919"               　# 定义文件目录(需要自己添加文件的绝对路径)

 dire_dir = r'D:\Movie\BBB'                    # 目标路径,将可能重复的文件移动至此(需要自己添加文件的绝对路径)

 video_sumlist = []                            # 全音/视频文件列表(绝对路径)

 video_detail_list = []                        # 全音/视频文件详细信息列表

 video_info_list = []                          # 只记录需要的关键信息

 count = 0                                     # 用于记录已处理的文件数量

 def get_all_file(f_dir): # 获取文件名称与文件大小,以方便使用MediaInfo库遍历获取视频/音频文件的超详细信息

     for root, dirs, files in os.walk(f_dir, topdown=True): # root就是"D:\Movie\180919", dirs 为[], files为全部文件列表

         for name in files:

             video_sumlist.append(os.path.join(root, name))

 get_all_file(file_dir)

 # print(video_sumlist)

 for i in video_sumlist: # 获取视频/音频文件的详细信息并存储到video_detail_list中

     media_info = MediaInfo.parse(i)

     data = media_info.to_data()

     video_detail_list.append(data)

     count+=1

     print("执行完第%d条数据...,视频名称为:%s"%(count, data["tracks"][0]["other_file_name"]))

 with open(r"./video_detail.py", "w", encoding='utf-8') as f: # 因为遍历上万文件太费时,需要将视频/音频信息存储在文件中,以减少程序执行时间

     print("开始执行写入操作...")

     f.write(str(video_detail_list))

 with open(r"./video_detail.py", "r", encoding='utf-8') as f: # 将存储在file文件中的信息读取到vfile中

     print("开始执行读取操作...")

     vfile = eval(f.read())

 print(type(vfile))

 for elem in vfile: # 简化文件信息的列表格式: [{文件名: {"t_size": t_size, "v_duration": v_duration}}, {{文件名: {"t_size": t_size, "v_duration": v_duration}}]

     # print('v_size: ', elem["tracks"][0]["file_size"])

     # print('v_duration: ', elem["tracks"][0]["duration"])

     try:

         if elem["tracks"][0]["file_name"] != 'desktop.ini':

             video_info_list.append({(elem["tracks"][0]["other_file_name"][0]+"."+elem["tracks"][0]["file_extension"]):\

              {"v_size": elem["tracks"][0]["file_size"], "v_duration": elem["tracks"][0]["duration"]}})

         else:

             print("找到了隐藏文件desktop.ini, 它没有'duration'这个键值对,需要跳过...")

     except KeyError:

         print("找到一个隐藏文件,该文件名为: ", elem["tracks"][0]["file_name"])

 print(video_info_list)

 print(video_info_list[0].keys())       # dict_keys(['海阔天空.mp4'])

 print(type(video_info_list[0].keys())) # <class 'dict_keys'>

 start_index = 0

 tomove_list = []

 while start_index < (len(video_info_list)-1):

     find_index = start_index + 1

     # print("start_index = ", start_index, "find_index = ", find_index)

     # print(list(video_info_list[start_index].values()))

     # print(list(video_info_list[start_index].values())[0]["v_size"])

     # print(list(video_info_list[start_index].values())[0]["v_duration"])

     sample0 = [list(video_info_list[start_index].values())[0]["v_size"], list(video_info_list[start_index].values())[0]["v_duration"]]

     while find_index < len(video_info_list):

         if sample0[0] == list(video_info_list[find_index].values())[0]["v_size"] and \

         sample0[1] == list(video_info_list[find_index].values())[0]["v_duration"]:

             tomove_list.append(find_index)

             find_index += 1

         else:

             find_index += 1

     # 外层循环开始:

     if tomove_list != []:

         tomove_list.reverse()

         print("to move list after reverse: ", tomove_list)

         for tomove_item in tomove_list:

             shutil.move(os.path.join(file_dir ,list(video_info_list[tomove_item].keys())[0]), dire_dir)

             video_info_list.pop(tomove_item) # 非常重要,保证video_info_list与实际音频/视频数据一致

             print("已经移除文件的编号为: ", tomove_item)

     start_index += 1

     tomove_list = []