cmd/rejpg.py

65 lines
1.7 KiB
Python

'''
Recompress all jpg images in the current directory.
'''
import argparse
import io
import os
import PIL.Image
import PIL.ImageFile
import string
import sys
from voussoirkit import bytestring
from voussoirkit import imagetools
PIL.ImageFile.LOAD_TRUNCATED_IMAGES = True
def rejpg_argparse(args):
if args.recurse:
from voussoirkit import spinal
walker = spinal.walk_generator()
files = list(walker)
else:
from voussoirkit import pathclass
files = pathclass.cwd().listdir()
files = [f for f in files if f.is_file]
files = [f for f in files if f.extension in ['.jpg', '.jpeg']]
files = [f.absolute_path for f in files]
bytes_saved = 0
remaining_size = 0
for filename in files:
print(''.join(c for c in filename if c in string.printable))
bytesio = io.BytesIO()
i = PIL.Image.open(filename)
i = imagetools.rotate_by_exif(i)
i.save(bytesio, format='jpeg', quality=80)
bytesio.seek(0)
new_bytes = bytesio.read()
old_size = os.path.getsize(filename)
new_size = len(new_bytes)
remaining_size += new_size
if new_size < old_size:
bytes_saved += (old_size - new_size)
f = open(filename, 'wb')
f.write(new_bytes)
f.close()
print('Saved', bytestring.bytestring(bytes_saved))
print('Remaining are', bytestring.bytestring(remaining_size))
def main(argv):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--recurse', dest='recurse', action='store_true')
parser.set_defaults(func=rejpg_argparse)
args = parser.parse_args(argv)
return args.func(args)
if __name__ == '__main__':
raise SystemExit(main(sys.argv[1:]))