Image_resize.py

'''
Created on Sep 15, 2013

@author: Mohammad reza Kamalifard

'''

import Image
import sys

im = Image.open(sys.argv[1])
hSize, wSize = im.size
print 'Size of your image height is %d and width is %d'% (hSize, wSize)
print 'You can change Your image size with changing height of your photo and width is change automaticlly to maintain its aspect ratio?'
newHeight = float(raw_input('Please enter new height : '))
newWidth = wSize / (hSize / newHeight)
print newHeight, newWidth
answer = raw_input('This operation will replace and modify your image ! Do you want to change size? (Y, N) \n')
if answer.lower() == 'y':
    im = im.resize((int(newHeight), int(newWidth)))
    index = sys.argv[1].lower().find('.jpg')
    file_name = sys.argv[1][:index]
    im.save(file_name + 'resized.jpg')
elif answer.lower() == 'n':
    sys.exit()
else:
    print 'Please enter Y or N!'