frame_montage.py

from scannertools import sample_video
import os

def main():
     with sample_video() as video:
         frame_nums = list(range(0, video.num_frames(), 100))
         montage_img = video.montage(frame_nums, cols=5)
         st.imwrite('sample_montage.jpg', montage_img)
         print('Wrote frame montage to {}'.format(os.path.abspath('sample_montage.jpg')))

if __name__ == "__main__":
    main()