Ethan Dalool
4a9051e617
With pathclass.glob_many, we can clean up and feel more confident about many programs that use pipeable to take glob patterns. Added return 0 to all programs that didn't have it, so we have consistent and explicit command line return values. Other linting and whitespace.
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
import argparse
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import PIL.Image
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import sys
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from voussoirkit import pathclass
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from voussoirkit import pipeable
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def grayscale(filename, *, inplace=False):
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filename = pathclass.Path(filename)
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basename = filename.replace_extension('').basename
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if basename.endswith('_gray'):
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return
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if inplace:
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new_filename = filename
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else:
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basename += '_gray'
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new_filename = filename.parent.with_child(basename).add_extension(filename.extension)
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image = PIL.Image.open(filename.absolute_path)
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image = image.convert('LA').convert(image.mode)
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image.save(new_filename.absolute_path, exif=image.info.get('exif', b''))
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return new_filename
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def grayscale_argparse(args):
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patterns = pipeable.input_many(args.patterns, skip_blank=True, strip=True)
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files = pathclass.glob_many(patterns, files=True)
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for file in files:
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new_filename = grayscale(file, inplace=args.inplace)
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if new_filename:
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pipeable.stdout(new_filename.absolute_path)
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return 0
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('patterns', nargs='+')
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parser.add_argument('--inplace', action='store_true')
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parser.set_defaults(func=grayscale_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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