cmd/rejpg.py

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Python
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2019-06-12 05:41:31 +00:00
'''
Recompress all jpg images in the current directory.
Add /r to do nested directories as well.
'''
from voussoirkit import bytestring
import io
import os
import PIL.Image
import PIL.ImageFile
import string
import sys
PIL.ImageFile.LOAD_TRUNCATED_IMAGES = True
if '/r' in sys.argv:
from voussoirkit import spinal
walker = spinal.walk_generator()
files = list(walker)
files = [f.absolute_path for f in files]
else:
files = os.listdir()
files = [f for f in files if os.path.isfile(f)]
files = [f for f in files if any(ext in f.lower() for ext in ['.jpg', '.jpeg'])]
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.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))