Добавлен аттрибут в параметрах комнадной строки --keep-aspect-ratio

resize.py

@@ -8,6 +8,7 @@ parser = argparse.ArgumentParser()
 parser.add_argument("--width", dest="width", type=int, required=True)
 parser.add_argument("--height", dest="height", type=int, required=True)
 parser.add_argument("--crop", action="store_true", required=False)
+parser.add_argument("--keep-aspect-ratio", dest="keep_aspect_ratio", action="store_true", required=False)
 parser.add_argument("source", type=str)
 parser.add_argument("destination", type=str)
 args = parser.parse_args()
@@ -33,8 +34,11 @@ try:
         im_result = im_crop.resize(size, Image.ANTIALIAS)
     else:
         im.thumbnail(size, Image.ANTIALIAS)
-        im_result = Image.new('RGB', (args.width, args.height), (255, 255, 255))
-        im_result.paste(im, ((args.width - im.size[0]) / 2, (args.height - im.size[1]) / 2))
+        if args.keep_aspect_ratio:
+            im_result = im
+        else:
+            im_result = Image.new('RGB', (args.width, args.height), (255, 255, 255))
+            im_result.paste(im, ((args.width - im.size[0]) / 2, (args.height - im.size[1]) / 2))
     enhancer = ImageEnhance.Contrast(im_result)
     im_result = enhancer.enhance(1.05)
     im_result.save(outfile, "JPEG", quality=100)