检查下面的python3代码进行换行美化def process_videovideo_file global success_count row failed_count try # 获取文件名 file_name = ospathbasenamevideo_file # 获取文件大小 size_str = convert_siz

def process_video(video_file): global success_count, row, failed_count try: # 获取文件名 file_name = os.path.basename(video_file)

    # 获取文件大小
    size_str = convert_size(os.path.getsize(video_file))

    # 使用mediainfo获取视频信息 / 音频信息
    with subprocess.Popen(['mediainfo', '--Inform=Video;%Format%|%Width%x%Height%|%BitRate/String%|%FrameRate%|%Duration/String3%', video_file], stdout=subprocess.PIPE) as video_proc, \
         subprocess.Popen(['mediainfo', '--Inform=Audio;%BitRate/String%|%SamplingRate/String%|%Language/String%', video_file], stdout=subprocess.PIPE) as audio_proc:
        video_output = video_proc.communicate()[0].decode().strip()
        audio_output = audio_proc.communicate()[0].decode().strip()

    # 解析输出结果
    video_info = video_output.split('|')
    audio_info = audio_output.split('|')

    # 处理多音轨情况
    audio_bitrate, audio_sampling_rate, audio_lang = zip(*[(audio_info[i*3], 
    audio_info[i*3+1], audio_info[i*3+2]) for i in range(len(audio_info)//3)])

    # 时长取整
    duration = video_info[4].split('.')[0]
    h, m, s = duration.split(':')
    duration = f'{h}:{m}:{str(s).zfill(2)}'

    # 以分钟计算的时长
    duration_minutes = int(h) * 60 + int(m) + math.ceil(float(s)) / 60

    # 计算压缩比率
    ratio = round(duration_minutes / os.path.getsize(video_file) * 1000000000, 2)

    # 使用正则表达式替换码率数据中第1、2数字之间的空格
    bitrate = re.sub(pattern, r'\1\2', video_info[2])

    # 写入Excel文件
    write_cell(ws, row, 1, file_name)
    write_cell(ws, row, 2, os.path.dirname(video_file))  # 写入文件路径
    write_cell(ws, row, 3, video_info[0])
    write_cell(ws, row, 4, size_str)
    write_cell(ws, row, 5, duration)
    write_cell(ws, row, 6, video_info[1])
    write_cell(ws, row, 7, bitrate)
    write_cell(ws, row, 8, video_info[3])
    write_cell(ws, row, 9, ' / '.join(audio_bitrate))
    write_cell(ws, row, 10, ' / '.join(audio_sampling_rate))
    write_cell(ws, row, 11, ' / '.join(audio_lang))
    write_cell(ws, row, 12, ratio)
    write_cell(ws, 2, 13, total_count) # 写入文件总数

    # 打印进度
    success_count += 1
    row += 1

except Exception as e:
    # 处理失败, 跳过并打印文件
    failed_count += 1
    print(f'处理文件 {video_file} 时失败：{e}')
    # 写入失败到err.txt
    with open('err.txt', 'a') as f:
        f.write(f'{video_file}\n')
    return False

return True