Refactor __main__

imgrate.py

@@ -49,13 +49,18 @@ class imgrate:
 
 
 if __name__ == '__main__':
+    def parse_arguments():
         ap = ArgumentParser()
         ap.add_argument('images', type=str, nargs='+', help='')
-    args = ap.parse_args()
+        return ap.parse_args()
 
+
+    def run(args):
         ratings = {image: imgrate(image).quality for image in args.images}
         maximum = max(ratings, key=ratings.get)
 
         for rating in ratings.keys():
             maxmark = '*' if rating == maximum and len(ratings) > 1 else ' '
             print('{}imgrate("{}") = {}'.format(maxmark, rating, ratings[rating]))
+
+    run(parse_arguments())