Convert images to different mobile devices screen sizes

image2mobile.py

#!/usr/bin/env python
from os import path, makedirs
from glob import glob
from PIL import Image

## list of folders to create
folders = [r'3.5-Inch', r'4-Inch' ,r'4.7-Inch', r'5.5-Inch', r'iPad'] 

 ## create folders
for f in folders:
    if not path.exists(f):
        makedirs(f)
        
## list of desired portrait sizes, must match the folders list.
vsizes = [[640, 920], [640, 1096], [750, 1334], [1242, 2208], [768, 1024]]  

## search for a jpg file in the root folder
for f in glob('*.jpg'):  
    im = Image.open(f)
    for s in vsizes:
        size = s[0], s[1]
        sizeText = folders[vsizes.index(s)]
        im_resized = im.resize(size, Image.ANTIALIAS)
        im_resized.save(r'%s\p_%s' % (sizeText, f))