#!/usr/bin/python3
import sys
import pathlib
import subprocess

SIZES = [(320, 240), (480, 360), (640, 480)]

image_path = pathlib.Path(sys.argv[1])
for width, height in SIZES:
    thumb_name = image_path.with_name(f"{image_path.stem}_{height}.webp")
    print(f"Generating {width}x{height} at {thumb_name}")
    subprocess.run(["convert", str(image_path), "-resize", f"{width}x{height}", thumb_name])