PyJpegOptim is a utility for optimizing JPEG files. It provides lossless optimization (based on optimizing the Huffman tables) and "lossy" optimization based on setting a maximum quality factor.
You need to install libjpeg first, To install JpegOptim:
Debian:
apt-get install libjpeg-dev -y
FreeBSD:
cd /usr/ports/graphics/jpeg
make install clean
To install PyJpegOptim:
pip install pyjpegoptim
Following is a simple example:
# -*- coding: utf8 -*-
from pyjpegoptim import JpegOptim
t = JpegOptim('/tmp/test.jpg', quality=80)
t.save('/tmp/test_optim.jpg')
t.close()