| """ | |
| =============== | |
| Image Thumbnail | |
| =============== | |
| You can use Matplotlib to generate thumbnails from existing images. | |
| Matplotlib relies on Pillow_ for reading images, and thus supports all formats | |
| supported by Pillow. | |
| .. _Pillow: https://python-pillow.org/ | |
| """ | |
| from argparse import ArgumentParser | |
| from pathlib import Path | |
| import sys | |
| import matplotlib.image as image | |
| parser = ArgumentParser( | |
| description="Build thumbnails of all images in a directory.") | |
| parser.add_argument("imagedir", type=Path) | |
| args = parser.parse_args() | |
| if not args.imagedir.is_dir(): | |
| sys.exit(f"Could not find input directory {args.imagedir}") | |
| outdir = Path("thumbs") | |
| outdir.mkdir(parents=True, exist_ok=True) | |
| for path in args.imagedir.glob("*.png"): | |
| outpath = outdir / path.name | |
| fig = image.thumbnail(path, outpath, scale=0.15) | |
| print(f"saved thumbnail of {path} to {outpath}") | |