from opencv_svn import cv

import numpy

def testcode(np_convert = False):

        temp = cv.CreateMat(2, 2, cv.CV_8UC1)

        cv.Set(temp, 1)

        if np_convert:

                npTemp = numpy.asarray(temp)

                temp = cv.fromarray(npTemp)

        print "before return", repr(temp.tostring())

        return temp

def testcode_wrapper(np_convert = False):

        temp = testcode(np_convert = np_convert)

        print "after return", repr(temp.tostring())

if __name__ == "__main__":

  print "cv -> numpy -> cv conversion problem"

  print

  print "without conversion : GOOD"

  print

  testcode_wrapper(np_convert = False)

  print

  print "with conversion : BAD"

  print

  testcode_wrapper(np_convert = True)