Generate thumbnail from video

video.py

#!/usr/bin/python
# pip install ffmpeg-python
# puts a thumnail in .thumb folder
import ffmpeg

def thumbnail (filename, thumb):
    time = 0
    width = 640
    try:
        probe = ffmpeg.probe(filename)
    except Exception as e:
        print (e)
        return
    # print (probe)
    time = 0
    if "duration" in probe ["streams"][0]:
        time = (float)(probe ["streams"][0]['duration']) / 2
    elif "DURATION" in probe ["streams"][0]:
        time = (float)(probe ["streams"][0]['DURATION']) / 2

    ffmpeg.input(filename, ss=time).filter('scale', width, -1).output(thumb, vframes=1).run()