Fixing tests for Python3.

CMake/vtkTestDriver.py

@@ -8,6 +8,8 @@ Usage:
                           --process ...
 """
 
+from __future__ import print_function
+
 import sys
 import subprocess
 import time
@@ -25,7 +27,7 @@ if prev <= len(sys.argv):
 
 procs = []
 for cmdlist in command_lists:
-    print >> sys.stderr, "Executing '", " ".join(cmdlist), "'"
+    print("Executing '", " ".join(cmdlist), "'", file=sys.stderr)
     proc = subprocess.Popen(cmdlist)
     procs.append(proc)
     # sleep to ensure that the process starts.
@@ -39,6 +41,6 @@ for proc in procs:
 
 for proc in procs:
     if proc.returncode != 0:
-        print >> sys.stderr, "ERROR: A process exited with error. Test will fail."
+        print("ERROR: A process exited with error. Test will fail.", file=sys.stderr)
         sys.exit(1) # error
-print "All's well!"
+print("All's well!")

Common/DataModel/Testing/Python/TestNumericArrayImageData.py

@@ -16,7 +16,7 @@ import sys
 try:
     import numpy.core.numeric as numeric
 except ImportError:
-    print "WARNING: This test requires Numeric Python: http://numpy.sf.net"
+    print("WARNING: This test requires Numeric Python: http://numpy.sf.net")
     sys.exit(0)
 
 import os

Common/DataModel/Testing/Python/TestTemplates.py

@@ -12,7 +12,12 @@ Created on May 29, 2011 by David Gobbi
 """
 
 import sys
-import exceptions
+try:
+    # for Python2
+    import exceptions
+except ImportError:
+    # In Python 3 standard exceptions were moved to builtin module.
+    pass
 import vtk
 from vtk.test import Testing
 
@@ -48,7 +53,7 @@ class TestTemplates(Testing.vtkTest):
                 result = a.GetValue(i)
                 self.assertEqual(value, result)
             elif t in [str, 'str', 'unicode']:
-                value = unicode("hello")
+                value = u"hello"
                 a.SetValue(i, value)
                 result = a.GetValue(i)
                 self.assertEqual(value, result)
@@ -85,7 +90,7 @@ class TestTemplates(Testing.vtkTest):
                 result = a.GetValue(i)
                 self.assertEqual(value, result)
             elif t in [str, 'str', 'unicode']:
-                value = unicode("hello")
+                value = u"hello"
                 a.SetValue(i, value)
                 result = a.GetValue(i)
                 self.assertEqual(value, result)

Filters/Core/Testing/Python/TestContourCases.py

@@ -6,7 +6,7 @@ from vtk.test import Testing
 try:
     import numpy as np
 except ImportError:
-    print "WARNING: This test requires Numeric Python: http://numpy.sf.net"
+    print("WARNING: This test requires Numeric Python: http://numpy.sf.net")
     sys.exit(0)
 
 def GenerateCell(cellType, points):

Filters/Core/Testing/Python/fieldToPolyData.py

@@ -86,4 +86,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Couldn't open PolyField.vtk for writing."
+    print("Couldn't open PolyField.vtk for writing.")

Filters/Core/Testing/Python/fieldToRGrid.py

@@ -185,4 +185,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Couldn't open RGridField.vtk for writing."
+    print("Couldn't open RGridField.vtk for writing.")

Filters/Core/Testing/Python/fieldToSGrid.py

@@ -142,4 +142,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Couldn't open combsg.vtk or SGridField.vtk for writing."
+    print("Couldn't open combsg.vtk or SGridField.vtk for writing.")

Filters/Core/Testing/Python/fieldToUGrid.py

@@ -141,4 +141,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Couldn't open UGridField.vtk for writing."
+    print("Couldn't open UGridField.vtk for writing.")

Filters/General/Testing/Python/tableBasedClip.py

@@ -79,7 +79,7 @@ class TestClip(Testing.vtkTest):
         nps = i.GetNumberOfPoints()
         ps = vtk.vtkPoints()
         ps.SetNumberOfPoints(nps)
-        for idx in xrange(nps):
+        for idx in range(nps):
             ps.SetPoint(idx, i.GetPoint(idx))
 
         st.SetPoints(ps)

Filters/Geometry/Testing/Python/TestGhostPoints.py

 import sys
-import exceptions
+try:
+    # for Python2
+    import exceptions
+except ImportError:
+    # In Python 3 standard exceptions were moved to builtin module.
+    pass
 import vtk
 from vtk.test import Testing
 

Filters/Geometry/Testing/Python/geomFilter.py

@@ -182,7 +182,7 @@ oa = pd.GetCellData().GetArray('testarray')
 correctcelldata = [1, 3, 0, 2]
 for i in range(4):
     if oa.GetValue(i) != correctcelldata[i]:
-        print 'Bad celldata of test array'
+        print('Bad celldata of test array')
         import sys
         sys.exit(1)
 # --- end of script --

Filters/Geometry/Testing/Python/structuredGridBlanking.py

@@ -15,9 +15,9 @@ sg.SetExtent(0,xlim,0,ylim,0,zlim)
 
 #a handy point iterator, calls action() on each point
 def forEachPoint(xlim,ylim,zlim, action):
-    for z in xrange(0,zlim+1):
-        for y in xrange(0,ylim+1):
-            for x in xrange(0,xlim+1):
+    for z in range(0,zlim+1):
+        for y in range(0,ylim+1):
+            for x in range(0,xlim+1):
                  action((x,y,z))
 
 #make geometry
@@ -44,7 +44,7 @@ if 64 < numcells:
     sg.BlankCell(64)
 if 164 < numcells:
     sg.BlankCell(164)
-for c in xrange(180,261):
+for c in range(180,261):
     if c < sg.GetNumberOfCells():
         sg.BlankCell(c)
 
@@ -53,9 +53,9 @@ dsf.SetInputData(sg)
 dsf.Update()
 nviscells = dsf.GetOutput().GetNumberOfCells()
 if nviscells != 356:
-    print "Problem"
-    print "Test expected 356 visible surface polygons but got", \
-          nviscells
+    print("Problem")
+    print("Test expected 356 visible surface polygons but got", \
+          nviscells)
     exit(-1)
 
 #render it so we can look at it

Filters/Hybrid/Testing/Python/TestProcrustesRigidCentroid.py

@@ -153,9 +153,9 @@ ren3.GetActiveCamera().SetPosition(1, -1, 0)
 ren3.ResetCamera()
 
 renWin.Render()
-print Actor1b.GetCenter()
-print Actor2b.GetCenter()
-print Actor3b.GetCenter()
+print(Actor1b.GetCenter())
+print(Actor2b.GetCenter())
+print(Actor3b.GetCenter())
 
 iren.Initialize()
 #iren.Start()

Filters/Modeling/Testing/Python/Hyper.py

@@ -54,7 +54,7 @@ try:
         pass
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")
     input = ptLoad.GetOutput()
 
 # Generate hyperstreamlines

Filters/Modeling/Testing/Python/TestSpherePuzzleArrows.py

@@ -44,7 +44,7 @@ def MotionCallback (x, y):
     ren1.SetDisplayPoint(x, y, z)
     ren1.DisplayToWorld()
     pt = ren1.GetWorldPoint()
-    print pt  ###############
+    print(pt)  ###############
     x = pt[0]
     y = pt[1]
     z = pt[2]

Filters/Verdict/Testing/Python/MeshQuality.py

@@ -113,7 +113,7 @@ def main():
 
             res += '\n'
 
-        print res
+        print(res)
 
 if __name__ == '__main__':
      main()

IO/Core/Testing/Python/TestGlobFileNames.py

@@ -43,25 +43,25 @@ class TestGlobFileNames(vtk.test.Testing.vtkTest):
 
         if n != 93:
             for i in range(0, n):
-                print "File:", i, " ", fileNames.GetValue(i)
-            print "GetNumberOfValues should return 93, returned", n
+                print("File:", i, " ", fileNames.GetValue(i))
+            print("GetNumberOfValues should return 93, returned", n)
 
-            print"Listing of ", VTK_DATA_ROOT, "/Data/headsq"
+            print("Listing of ", VTK_DATA_ROOT, "/Data/headsq")
             directory = vtk.vtkDirectory()
             directory.Open(VTK_DATA_ROOT + "/Data/headsq")
             m = directory.GetNumberOfFiles()
             for j in range(0, m):
-                print directory.GetFile(j)
+                print(directory.GetFile(j))
             exit(1)
 
         for i in range(0, n):
             filename = fileNames.GetValue(i)
             if filename != globFileNames.GetNthFileName(i):
-                print "mismatched filename for pattern quarter.*:", filename
+                print("mismatched filename for pattern quarter.*:", filename)
                 exit(1)
             m = re.search("[\w|\W]*quarter.*", filename)
             if m == None:
-                print "string does not match pattern quarter.*:", filename
+                print("string does not match pattern quarter.*:", filename)
 
 
         # check that we can re-use the Glob object
@@ -75,15 +75,15 @@ class TestGlobFileNames(vtk.test.Testing.vtkTest):
             filename = fileNames.GetValue(i)
 
             if filename != globFileNames.GetNthFileName(i):
-                print "mismatched filename for pattern financial.*: ", filename
+                print("mismatched filename for pattern financial.*: ", filename)
                 exit(1)
 
             m = re.search("[\w|\W]*financial.*", filename)
             if m == None:
-                print "string does not match pattern financial.*:", filename
+                print("string does not match pattern financial.*:", filename)
                 exit(1)
 
         vtk.test.Testing.interact()
 
 if __name__ == "__main__":
-     vtk.test.Testing.main([(TestGlobFileNames, 'test')])
\ No newline at end of file
+     vtk.test.Testing.main([(TestGlobFileNames, 'test')])

IO/Core/Testing/Python/TestSortFileNames.py

@@ -47,8 +47,8 @@ class TestSortFileNames(vtk.test.Testing.vtkTest):
         sortFileNames.GroupingOn()
 
         if sortFileNames.GetNumberOfGroups() != 2:
-            print "GetNumberOfGroups returned incorrect number"
-            exit(1)
+             print("GetNumberOfGroups returned incorrect number")
+             exit(1)
 
         fileNames1 = sortFileNames.GetNthGroup(0)
         fileNames2 = sortFileNames.GetNthGroup(1)
@@ -59,33 +59,33 @@ class TestSortFileNames(vtk.test.Testing.vtkTest):
         n = fileNames1.GetNumberOfValues()
         if n != numberOfFiles1:
             for i in range(0, n):
-                print fileNames1.GetValue(i)
-            print "GetNumberOfValues should return", numberOfFiles1, "not", n
+                print(fileNames1.GetValue(i))
+            print("GetNumberOfValues should return", numberOfFiles1, "not", n)
             exit(1)
 
         for i in range(0, numberOfFiles1):
             j = i + 1
             s = VTK_DATA_ROOT + "/Data/headsq/quarter." + str(j)
             if fileNames1.GetValue(i) != s:
-                print "string does not match pattern"
-                print fileNames1.GetValue(i)
-                print s
+                print("string does not match pattern")
+                print(fileNames1.GetValue(i))
+                print(s)
                 exit(1)
 
         n = fileNames2.GetNumberOfValues()
         if n != numberOfFiles2:
             for i in range(0, n):
-                print fileNames2.GetValue(i)
-            print "GetNumberOfValues should return", numberOfFiles2, "not", n
+                print(fileNames2.GetValue(i))
+            print("GetNumberOfValues should return", numberOfFiles2, "not", n)
             exit(1)
 
         for i in range(0, numberOfFiles2):
             j = i + 1
             s = VTK_DATA_ROOT + "/Data/track" + str(j) + ".binary.vtk"
             if fileNames2.GetValue(i) != s:
-                print "string does not match pattern"
-                print fileNames2.GetValue(i)
-                print s
+                print("string does not match pattern")
+                print(fileNames2.GetValue(i))
+                print(s)
                 exit(1)
 
         vtk.test.Testing.interact()

IO/Exodus/Testing/Python/TestExodusPolyhedra.py

@@ -25,20 +25,20 @@ shr.SetInputData(rd2.GetOutput().GetBlock(0).GetBlock(0))
 shr.Update()
 
 ph = rdr.GetOutput().GetBlock(0).GetBlock(0).GetCell(0)
-print '%d polyhedral faces' % ph.GetNumberOfFaces()
+print('%d polyhedral faces' % ph.GetNumberOfFaces())
 if ph.GetNumberOfFaces() != 12:
   sys.exit(1)
 for i in range(ph.GetNumberOfFaces()):
   pg = ph.GetFace(i)
   if pg.GetNumberOfEdges() != 5 or pg.GetNumberOfPoints() != 5:
-    print '  %d edges on face %d' % (pg.GetNumberOfEdges(), i)
-    print '  %d points on face %d' % (pg.GetNumberOfPoints(), i)
+    print('  %d edges on face %d' % (pg.GetNumberOfEdges(), i))
+    print('  %d points on face %d' % (pg.GetNumberOfPoints(), i))
     sys.exit(1)
   #for j in range(pg.GetNumberOfPoints()):
   #  pid = pg.GetPointId(j)
   #  x = [0.0,0.0,0.0]
   #  pg.GetPoints().GetPoint(pid, x)
-  #  print '   p%02d: %g %g %g' % (pid, x[0], x[1], x[2]);
+  #  print('   p%02d: %g %g %g' % (pid, x[0], x[1], x[2]))
 
 renWin = vtkRenderWindow()
 ri = vtkRenderWindowInteractor()

IO/Exodus/Testing/Python/TestExodusWithNaN.py

@@ -16,5 +16,5 @@ data = rdr.GetOutput().GetBlock(0).GetBlock(0)
 # Test that this dataset with NaNs gets a correct range i.e. range without NaNs
 # in it.
 drange = data.GetPointData().GetArray("dist_from_origin").GetRange()[:]
-print "'dist_from_origin' Range: ", drange
+print("'dist_from_origin' Range: ", drange)
 assert (abs(drange[0] - 0.5) < 1e-3) and (abs(drange[1] - 1.118) < 1e-3)

IO/Geometry/Testing/Python/Plot3D.py

@@ -10,7 +10,7 @@ class TestPlot3D(Testing.vtkTest):
 
         for name in names:
             r = vtk.vtkMultiBlockPLOT3DReader()
-            print "Testing ", name[0], name[1]
+            print("Testing ", name[0], name[1])
             if name[0] == "multi-ascii.xyz":
                 r.BinaryFileOff()
                 r.MultiGridOn()
@@ -40,7 +40,7 @@ class TestPlot3D(Testing.vtkTest):
 
         for name in names:
             r = vtk.vtkMultiBlockPLOT3DReader()
-            print "Testing ", name[0]
+            print("Testing ", name[0])
             r.AutoDetectFormatOn()
             r.SetFileName(str(VTK_DATA_ROOT) + "/Data/" + name[0])
             r.SetQFileName(str(VTK_DATA_ROOT) + "/Data/" + name[1])

IO/Image/Testing/Python/TestImageJSONWriter.py

@@ -19,9 +19,9 @@ dim_ref = [value for value in output.GetDimensions()]
 origin_ref = [value for value in output.GetOrigin()]
 spacing_ref = [value for value in output.GetSpacing()]
 
-print dim_ref
-print origin_ref
-print spacing_ref
+print(dim_ref)
+print(origin_ref)
+print(spacing_ref)
 
 writer = vtk.vtkJSONImageWriter()
 writer.SetInputData(image1.GetOutput())
@@ -31,36 +31,36 @@ writer.SetSlice(3)
 writer.Write()
 
 # Try to load JSON file and compare with dumped data
-print "Writing file:", tmp_file
+print("Writing file:", tmp_file)
 json_file = open(tmp_file, "r")
 json_obj = json.load(json_file)
 json_file.close()
 
 slice = json_obj['RTData']
 if json_obj["dimensions"] != dim_ref:
-    print "Dimension ERROR"
+    print("Dimension ERROR")
     sys.exit(1)
 else:
-    print "Dimension OK"
+    print("Dimension OK")
 if json_obj["origin"] != origin_ref:
-    print "Origin ERROR"
+    print("Origin ERROR")
     sys.exit(1)
 else:
-    print "Origin OK"
+    print("Origin OK")
 if json_obj["spacing"] != spacing_ref:
-    print "Spacing ERROR"
+    print("Spacing ERROR")
     sys.exit(1)
 else:
-    print "Spacing OK"
+    print("Spacing OK")
 if len(slice) == 441:
-    print "Slice size OK"
+    print("Slice size OK")
 else:
-    print "Slice size ERROR - Size of ", str(len(slice))
+    print("Slice size ERROR - Size of ", str(len(slice)))
     sys.exit(1)
 
 for i in range(len(expected_first_values)):
     if expected_first_values[i] != slice[i]:
         sys.exit(1)
 
-print "All good..."
+print("All good...")
 sys.exit()

IO/Image/Testing/Python/TestImageWriters.py

@@ -90,4 +90,4 @@ try:
     viewer.Render()
 
 except IOError:
-    print  "Unable to test the writers."
+    print("Unable to test the writers.")

IO/MINC/Testing/Python/TestMINCImageWriter.py

@@ -73,4 +73,4 @@ try:
     viewer.Render()
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")

IO/MINC/Testing/Python/TestMNIObjects.py

@@ -138,4 +138,4 @@ try:
 #        iren.Start()
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")

IO/MINC/Testing/Python/TestMNITagPoints.py

@@ -129,4 +129,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")

IO/MINC/Testing/Python/TestMNITransforms.py

@@ -153,4 +153,4 @@ try:
         pass
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")

IO/MPIParallel/Testing/Python/Plot3DMPIIO.py

@@ -15,7 +15,7 @@ def Gather(c, arr, root):
     c.Gather(vtkArr, vtkResult, root)
     result = [vtkResult.GetValue(i) for i in range(vtkResult.GetNumberOfTuples())]
     return [ tuple(result[i : i + count]) \
-                for i in xrange(0, vtkResult.GetNumberOfTuples(), count) ]
+                for i in range(0, vtkResult.GetNumberOfTuples(), count) ]
 
 renWin = vtk.vtkRenderWindow()
 
@@ -43,10 +43,10 @@ bounds = r.GetOutput().GetBlock(block).GetBounds()
 bounds = Gather(c, bounds, root=0)
 
 if rank == 0:
-    print "Reader:", r.GetClassName()
-    print "Bounds:"
+    print("Reader:", r.GetClassName())
+    print("Bounds:")
     for i in range(size):
-        print bounds[i]
+        print(bounds[i])
 
 c.Barrier()
 aname = "StagnationEnergy"
@@ -54,8 +54,8 @@ rng = r.GetOutput().GetBlock(block).GetPointData().GetArray(aname).GetRange(0)
 
 rng = Gather(c, rng, root=0)
 if rank == 0:
-    print "StagnationEnergy Ranges:"
+    print("StagnationEnergy Ranges:")
     for i in range(size):
-        print rng[i]
+        print(rng[i])
         assert rng[i][0] > 1.1 and rng[i][0] < 24.1 and \
                rng[i][1] > 1.1 and rng[i][1] < 24.1

IO/PLY/Testing/Python/TestPLYReadWrite.py

@@ -130,4 +130,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Unable to test the writers."
+    print("Unable to test the writers.")

IO/XML/Testing/Python/TestEmptyXML.py

@@ -22,9 +22,9 @@ fow.SetFlush(0)
 fow.SetInstance(fow)
 
 # Prepare some test files.
-f = open('emptyFile.vtk', 'wb')
+f = open('emptyFile.vtk', 'wt')
 f.close()
-f = open('junkFile.vtk', 'wb')
+f = open('junkFile.vtk', 'wt')
 f.write("v9np7598mapwcawoiur-,rjpmW9MJV28nun-q38ynq-9.8ugujqvt-8n3-nv8")
 f.close()
 

Imaging/Core/Testing/Python/voxelModel.py

@@ -80,4 +80,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")

Imaging/Hybrid/Testing/Python/genHead.py

@@ -91,4 +91,4 @@ try:
 #    iren.Start()
 
 except IOError:
-    print  "Unable to test the writer/reader."
+    print("Unable to test the writer/reader.")

Interaction/Style/Testing/Python/TestInteractorStyleTerrain.py

@@ -15,7 +15,7 @@ demModel = vtk.vtkDEMReader()
 demModel.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem")
 demModel.Update()
 
-print demModel
+print(demModel)
 
 lo = Scale * demModel.GetElevationBounds()[0]
 hi = Scale * demModel.GetElevationBounds()[1]

Interaction/Style/Testing/Python/TestStyleBase.py

 #!/usr/bin/env python
 
-import vtk
+from __future__ import print_function
 
+import vtk
 
 class TestStyleBase(object):
 
@@ -35,7 +36,7 @@ class TestStyleBase(object):
         style.UseTimersOff()
         style.AutoAdjustCameraClippingRangeOn()
 
-        print "Testing: " + style.GetClassName()
+        print("Testing: " + style.GetClassName())
 
         iren = style.GetInteractor()
         renwin = iren.GetRenderWindow()
@@ -54,9 +55,9 @@ class TestStyleBase(object):
 
         for ctrl in ctrls:
             for shift in shifts:
-                print " - ctrl: " + str(ctrl) + " shift: " + str(shift) + " " + "button: ",
+                print(" - ctrl: " + str(ctrl) + " shift: " + str(shift) + " " + "button: ", end=' ')
                 for button in buttons:
-                    print button,
+                    print(button, end=' ')
                     # First try to find a starting position where an actor
                     # can be picked (not mandatory for trackball modes).
                     # Search in increasingly big area, until we reach win size
@@ -70,7 +71,7 @@ class TestStyleBase(object):
                             break
                         else:
                             if search > win_center_x or search > win_center_y:
-                                print "   (resetting camera)",
+                                print("   (resetting camera)", end=' ')
                                 self.ren1.ResetCamera()
                                 search = radius
                             else:
@@ -111,7 +112,7 @@ class TestStyleBase(object):
                     iren.SetEventInformationFlipY(x, y, ctrl, shift, '', 0, '')
                     eval('iren.InvokeEvent("' + button + 'ButtonReleaseEvent")')
 
-                print "."
+                print(".")
 
         style.SetUseTimers(use_timers)
 

Parallel/MPI4Py/Testing/Python/TestParallelNumpy.py

 """ Test for various numpy_interface modules. Main goal is to test
 parallel algorithms in vtk.numpy_interface.algorithms."""
 
+from __future__ import print_function
+
 import sys
 try:
     import numpy
 except ImportError:
-    print "Numpy (http://numpy.scipy.org) not found.",
-    print "This test requires numpy!"
+    print("Numpy (http://numpy.scipy.org) not found.", end=' ')
+    print("This test requires numpy!")
     sys.exit(0)
 
 import vtk
@@ -29,12 +31,12 @@ def PRINT(text, values):
     MPI.COMM_WORLD.Allreduce([values, MPI.DOUBLE], [res, MPI.DOUBLE], MPI.SUM)
     assert numpy.abs(res) < 1E-5
     if rank == 0:
-        print text, res
+        print(text, res)
 
 def testArrays(rtData, rtData2, grad, grad2, total_npts):
     " Test various parallel algorithms."
     if rank == 0:
-        print '-----------------------'
+        print('-----------------------')
     PRINT( "SUM ones:", algs.sum(rtData / rtData) - total_npts )
 
     PRINT( "SUM sin:", (algs.sum(algs.sin(rtData) + 1) - numpy.sum(numpy.sin(rtData2) + 1)) / numpy.sum(numpy.sin(rtData2) + 1) )
@@ -180,7 +182,7 @@ else:
     start = rank*NUM_BLOCKS - 3
     end = start + NUM_BLOCKS
 
-for i in xrange(start, end):
+for i in range(start, end):
     a = vtk.vtkImageData()
     a.ShallowCopy(w.GetOutput())
     c.SetBlock(i, a)

Rendering/Core/Testing/Python/TestOpacity2.py

@@ -93,10 +93,10 @@ ren1.ResetCameraClippingRange()
 
 renWin.Render()
 
-print ren1.GetLastRenderingUsedDepthPeeling()
+print(ren1.GetLastRenderingUsedDepthPeeling())
 if (ren1.GetLastRenderingUsedDepthPeeling()):
-    print "depth peeling was used"
+    print("depth peeling was used")
 else:
-    print "depth peeling was not used (alpha blending instead)"
+    print("depth peeling was not used (alpha blending instead)")
 
 #iren.Start()

Rendering/Core/Testing/Python/TestOutOfRangeColorTransferFunction.py

@@ -25,8 +25,8 @@ sphere.SetThetaResolution(32)
 sphere.Update()
 
 pd = sphere.GetOutput().GetPointData()
-for i in xrange(pd.GetNumberOfArrays()):
-    print pd.GetArray(i).GetName()
+for i in range(pd.GetNumberOfArrays()):
+    print(pd.GetArray(i).GetName())
 
 mapper = vtk.vtkPolyDataMapper()
 mapper.SetInputConnection(sphere.GetOutputPort())

Rendering/Core/Testing/Python/TestOutOfRangeDiscretizableColorTransferFunction.py

@@ -25,8 +25,8 @@ sphere.SetThetaResolution(32)
 sphere.Update()
 
 pd = sphere.GetOutput().GetPointData()
-for i in xrange(pd.GetNumberOfArrays()):
-    print pd.GetArray(i).GetName()
+for i in range(pd.GetNumberOfArrays()):
+    print(pd.GetArray(i).GetName())
 
 mapper = vtk.vtkPolyDataMapper()
 mapper.SetInputConnection(sphere.GetOutputPort())

Rendering/Core/Testing/Python/TestWindowToImageTransparency.py

@@ -30,10 +30,10 @@ renWin.SetSize(256, 256)
 # render first image
 renWin.Render()
 if 0 == renWin.GetAlphaBitPlanes():
-    print "Failed to find a visual with alpha bit planes."
+    print(