traverse_and_resize_image

#!/usr/bin/env python
import os
from os.path import join
from PIL import Image

#This script walks through subdirectories, checks if image is valid and if it is, saves the image in JPG format with quality setting of 65

for root, dirs, files in os.walk('.'):
    #print "Current directory", root
   
    #print "Sub directories", dirs
    #for directory in dirs:
    for filename in files:
        path = os.path.join(root, filename)
        
        try:
            #Verify that file is valid image
            trial_image = Image.open(path)
            trial_image.verify()
            
            print path + ' is a valid image file'
            
            #And now resize the image
            image = Image.open(path)
            file_name = os.path.splitext(path)[0]
            
            resized_filename = file_name.replace(' ', '_')[2:] + '_resized' + '.jpg'
            print('Resizing %s...') % file_name

            image.convert('RGB').save(resized_filename, 'JPEG', quality=65)
            
        except ImportError:
            # Under PyPy, it is possible to import PIL. However, the underlying
            # _imaging C module isn't available, so an ImportError will be
            # raised. Catch and re-raise.
            raise
        except IOError:
            pass
        except:
		    pass
        
            
    #print "Files", files