initial 1312 funktioniert ein bisschen

resizegif.py

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+# Source - https://stackoverflow.com/a
+# Posted by brvoisin
+# Retrieved 2025-12-13, License - CC BY-SA 4.0
+
+"""
+# Resize an animated GIF
+Inspired from https://gist.github.com/skywodd/8b68bd9c7af048afcedcea3fb1807966
+Useful links:
+    * https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html#saving
+    * https://stackoverflow.com/a/69850807
+Example:
+    ```
+    python resize_gif.py input.gif output.gif 400,300
+    ```
+"""
+
+import sys
+
+from PIL import Image
+from PIL import ImageSequence
+
+
+def resize_gif(input_image, output_path, max_size):
+    frames = list(_thumbnail_frames(input_image, max_size))
+    output_image = frames[0]
+    output_image.save(
+        output_path,
+        save_all=True,
+        append_images=frames[1:],
+        disposal=input_image.disposal_method,
+        **input_image.info,
+    )
+
+
+def _thumbnail_frames(image, max_size):
+    for frame in ImageSequence.Iterator(image):
+        new_frame = frame.copy()
+        new_frame.thumbnail(max_size, Image.Resampling.LANCZOS)
+        yield new_frame
+
+
+if __name__ == "__main__":
+    max_size = [int(px) for px in sys.argv[3].split(",")]  # "150,100" -> (150, 100)
+    resize_gif(sys.argv[1], sys.argv[2], max_size)