Merge pull request #9265 from alalek:python_stitching

modules/python/src2/cv2.cpp

@@ -149,7 +149,7 @@ public:
     {
         if( data != 0 )
         {
-            CV_Error(Error::StsAssert, "The data should normally be NULL!");
+            // issue #6969: CV_Error(Error::StsAssert, "The data should normally be NULL!");
             // probably this is safe to do in such extreme case
             return stdAllocator->allocate(dims0, sizes, type, data, step, flags, usageFlags);
         }

modules/python/test/test_stitching.py

+#!/usr/bin/env python
+import cv2
+
+from tests_common import NewOpenCVTests
+
+class stitching_test(NewOpenCVTests):
+
+    def test_simple(self):
+
+        img1 = self.get_sample('stitching/a1.png')
+        img2 = self.get_sample('stitching/a2.png')
+
+        stitcher = cv2.createStitcher(False)
+        (result, pano) = stitcher.stitch((img1, img2))
+
+        #cv2.imshow("pano", pano)
+        #cv2.waitKey()
+
+        self.assertAlmostEqual(pano.shape[0], 685, delta=100, msg="rows: %r" % list(pano.shape))
+        self.assertAlmostEqual(pano.shape[1], 1025, delta=100, msg="cols: %r" % list(pano.shape))