Delete an image if it is completely black. To delete all black jpeg in a Folder call ./rmBlackImages.py *.jpg

rmBlackImages.py

import sys
import os
import Image

black = (0, 0, 0)

def imageIsColor(image, color):
    width, height = image.size
    pix = image.load()
    for y in xrange(height):
        for x in xrange(width):
            if pix[x, y] != color:
                return False
    return True
    
# Process all files given by command line arguments
firstArgument = True  # Used to ignore first argument which contains name of script
for arg in sys.argv:
    if firstArgument:
        firstArgument = False
        continue
    print 'Checking', arg
    im = Image.open(arg)
    if imageIsColor(im, black):
        os.remove(arg)