dotfiles/cron/blackcheck.py
2017-01-27 21:31:32 +01:00

41 lines
1.2 KiB
Python
Executable file

from PIL import Image
from optparse import OptionParser
# import sys
parser = OptionParser()
parser.add_option("-q", "--quiet", action="store_false", dest="verbose",
default=True, help="don't print status messages to stdout")
parser.add_option("-i", "--image", type="string", dest="imagename",
help="Name of Image")
parser.add_option("-d", "--diff", type="string", dest="diff",
default=0, help="maximum difference between Red, Green, Blue")
(options, args) = parser.parse_args()
if (options.imagename is None):
parser.error("no image entered")
diff = int(options.diff)
img_path = options.imagename
def is_grey_scale(img_path):
try:
im = Image.open(img_path).convert('RGB')
except (FileNotFoundError):
print ("Image not found")
quit()
w, h = im.size
for i in range(w):
for j in range(h):
r, g, b = im.getpixel((i, j))
if ((abs(r - g) > diff) &
(abs(r - b) > diff) &
(abs(b - g) > diff)):
return False
return True
if (bool(options.verbose) == False):
is_grey_scale(img_path)
else:
print (is_grey_scale(img_path))