Python image file resize using pill library

python_image_resize.py

__author__ = 'giasuddin'
from PIL import Image
import os, sys

size = (250, 500)

path = "/home/giasuddin/script/imgresize/all"
dirs = os.listdir(path)
directory = '/home/giasuddin/script/imgresize/dr'
# os.makedirs(directory)


# filePath = os.path.abspath('IMG_3391.JPG')

for item in dirs:
    if os.path.isfile(path + '/' + item):
            img = Image.open(path + '/' + item)
            # Resize it.
            img = img.resize(size, Image.BILINEAR)
            # Save it back to disk.
            img.save(os.path.join(directory, 'resized-' + item))