如何使用python查看视频的长度，python查看长度,import sub

如何使用python查看视频的长度，python查看长度,import sub

import subprocessimport redef get_length(filename):    result = subprocess.Popen(["ffprobe", filename],                                stdout=subprocess.PIPE,                                stderr=subprocess.STDOUT)    for x in result.stdout.readlines():        if b"Duration" in x:            print(x)            x = re.search(rb"Duration.+?\d{2}:(\d{2}):\d{2}", x)            return int(x.group(1))print(get_length(r"C:\Users\Administrator\Desktop\1.mp4"))‘‘‘b‘  Duration: 00:17:25.00, start: 0.000000, bitrate: 507 kb/s\r\n‘17‘‘‘

如何使用python查看视频的长度