Script to pull PNG Info from Stable Diffusion generated images.

png-info.py

#!/usr/bin/env python3

import click
import json

from PIL import Image


@click.command()
@click.argument("filename")
def main(filename: str) -> None:
    im = Image.open(filename)
    im.load()

    for key in ("sd-metadata", "parameters"):  # InvokeAI, automatic1111
        if key in im.info:
            if key == "sd-metadata":
                print(json.dumps(json.loads(im.info[key]), indent=4))
            else:
                print(im.info[key])


if __name__ == "__main__":
    main()