Little utility to resize globbed images

requirements.txt

Pillow==3.4.1
python-resize-image==1.1.3

resizer.py

import os
from sys import argv
from PIL import Image
from resizeimage import resizeimage

def new_file_path(old_path):
    path_parts = os.path.split(old_path)
    filename_parts = path_parts[1].split('.')
    new_filename = '%s_resized.%s' % (filename_parts[0], filename_parts[1])
    return os.path.join(path_parts[0], new_filename)


for image_path in (argv[1:]):
    with open(image_path, 'r+b') as f:
	    with Image.open(f) as image:
		    resized_image = resizeimage.resize_cover(image, [200, 200])
		    resized_image.save(new_file_path(image_path))