cmd/rotate.py

59 lines
1.8 KiB
Python

import argparse
import os
import PIL.Image
import sys
from voussoirkit import imagetools
from voussoirkit import pipeable
from voussoirkit import vlogging
from voussoirkit import winglob
log = vlogging.getLogger(__name__, 'rotate')
def rotate_argparse(args):
if args.angle is None and not args.exif:
pipeable.stderr('Either an angle or --exif must be provided.')
return 1
filenames = winglob.glob(args.pattern)
for filename in filenames:
image = PIL.Image.open(filename)
if args.exif:
(new_image, exif) = imagetools.rotate_by_exif(image)
if new_image is image:
log.debug('%s doesn\'t need exif rotation.', filename)
continue
image = new_image
else:
exif = image.getexif()
image = image.rotate(args.angle, expand=True)
if args.inplace:
newname = filename
else:
if args.exif:
suffix = f'_exifrot'
else:
suffix = f'_{args.angle}'
(base, extension) = os.path.splitext(filename)
newname = base + suffix + extension
pipeable.stdout(newname)
image.save(newname, exif=exif, quality=args.quality)
@vlogging.main_decorator
def main(argv):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('pattern')
parser.add_argument('angle', nargs='?', type=int, default=None)
parser.add_argument('--exif', action='store_true')
parser.add_argument('--inplace', action='store_true')
parser.add_argument('--quality', type=int, default=100)
parser.set_defaults(func=rotate_argparse)
args = parser.parse_args(argv)
return args.func(args)
if __name__ == '__main__':
raise SystemExit(main(sys.argv[1:]))