Example python code for saving animated GIF into file using Pillow

save_gif.py

# (c) 2018 Anh Tran <anhtran.net>
import requests
from PIL import ImageSequence


def fetch_chap_img(img_url):
  """ Get image from internet then saving it on disk """
    r = requests.head(img_url)
    if r.status_code == 200:
        r = requests.get(img_url)
        if r.ok:
            o = Image.open(BytesIO(r.content))
            if o.format == 'GIF':
                # get frames
                frames = [frame.copy() for frame in ImageSequence.Iterator(o)]
                # write GIF animation
                fn = '{}.{}'.format('gif_file_name', 'gif')
                o.save(fn, save_all=True, append_images=frames, quality=75, **o.info)