Pixiv Ugora to GIF

ugoira_to_gif.py

def download_ugoira(ugoira_zip: BytesIO, data: dict, filename: str):
    if not data.get("ugoira_metadata"):
        raise Exception("Not valid ugoira data")

    delay = 0
    frames = []
    raw_frames = data["ugoira_metadata"]["frames"]
    with zipfile.ZipFile(ugoira_zip) as file:
        for frame in raw_frames:
            frames.append(imageio.imread(file.read(frame["file"])))
            delay = frame["delay"]

    with imageio.get_writer(filename, mode="I", duration=delay / 1000) as gif:
        for frame in frames:
            gif.append_data(frame)