TinyPNG command line

png_tiny.py

#!/usr/bin/env python
import tinify  # https://tinypng.com/developers/reference/python
import tomllib 
from pathlib import Path


def main(input, output, background):
	if output is None:
		output = input
	with open('.env', 'rb') as fp:
		config = tomllib.load(fp)
	tinify.key = config['tinify_api_key']
	s = tinify.from_file(input)
	s = s.convert(type='image/png')
	if background is not None:
		s = s.transform(background=background)
	return s.to_file(output)


if __name__ == '__main__':
	import argparse
	parser = argparse.ArgumentParser()
	parser.add_argument('input', type=Path, help='input PNG file')
	parser.add_argument('-o', '--output', type=Path, help='output PNG file')
	parser.add_argument('-b', '--background', metavar='COLOR', help='replace tranparency with background color')
	args = parser.parse_args()
	main(
		input=args.input,
		output=args.output,
		background=args.background
	)

requirements.txt

tinify