Extended python bindings to support scalar values and tuples in place of…

Extended python bindings to support scalar values and tuples in place of InputArray (i.e. Mat) - ticket #2658. Added tests for #2611, #2505, #2658

modules/python/test/test2.py

+#/usr/bin/env python
+
+import unittest
+import random
+import time
+import math
+import sys
+import array
+import urllib
+import tarfile
+import hashlib
+import os
+import getopt
+import operator
+import functools
+import numpy as np
+import cv2
+import cv2.cv as cv
+
+class NewOpenCVTests(unittest.TestCase):
+
+    def get_sample(self, filename, iscolor = cv.CV_LOAD_IMAGE_COLOR):
+        if not filename in self.image_cache:
+            filedata = urllib.urlopen("https://raw.github.com/Itseez/opencv/master/" + filename).read()
+            self.image_cache[filename] = cv2.imdecode(np.fromstring(filedata, dtype=np.uint8), iscolor)
+        return self.image_cache[filename]
+
+    def setUp(self):
+        self.image_cache = {}
+
+    def hashimg(self, im):
+        """ Compute a hash for an image, useful for image comparisons """
+        return hashlib.md5(im.tostring()).digest()
+
+# Tests to run first; check the handful of basic operations that the later tests rely on
+
+class Hackathon244Tests(NewOpenCVTests):
+    
+    def test_int_array(self):
+        a = np.array([-1, 2, -3, 4, -5])
+        absa0 = np.abs(a)
+        self.assert_(cv2.norm(a, cv2.NORM_L1) == 15)
+        absa1 = cv2.absdiff(a, 0)
+        self.assert_(cv2.norm(absa1, absa0, cv2.NORM_INF) == 0)
+
+if __name__ == '__main__':
+    print "testing", cv.__version__
+    random.seed(0)
+    unittest.main()