#!/usr/bin/env python
from magickwand.image import Image
import sys
if __name__=='__main__':
img = Image(sys.argv[1])
props = ['format', 'units', 'size', 'compression', 'background_color', 'colorspace']
for p in props:
print p, getattr(img, p)
img.trim()
print 'new size', img.size
del img
