samples: fix python samples compatibility with demo.py

2019-03-19 21:03:58 +03:00
parent f4c2c4412b
commit 04fad57fc1
48 changed files with 678 additions and 403 deletions
@@ -13,11 +13,10 @@ Keys:
 # Python 2/3 compatibility
 from __future__ import print_function

+import numpy as np
 import cv2 as cv

-if __name__ == '__main__':
-    print(__doc__)
-
+def main():
    import sys
    try:
        fn = sys.argv[1]
@@ -37,3 +36,10 @@ if __name__ == '__main__':
    cv.imshow('linearpolar', img3)

    cv.waitKey(0)
+    print('Done')
+
+
+if __name__ == '__main__':
+    print(__doc__)
+    main()
+    cv.destroyAllWindows()