Convert print statements to print functions

Author: bgilbert

examples/deepzoom/deepzoom_tile.py

@@ -20,6 +20,7 @@
 
 """An example program to generate a Deep Zoom directory tree from a slide."""
 
+from __future__ import print_function
 import json
 from multiprocessing import Process, JoinableQueue
 from openslide import open_slide, ImageSlide
@@ -105,10 +106,11 @@ def _tile_done(self):
         self._processed += 1
         count, total = self._processed, self._dz.tile_count
         if count % 100 == 0 or count == total:
-            print >> sys.stderr, "Tiling %s: wrote %d/%d tiles\r" % (
-                        self._associated or 'slide', count, total),
+            print("Tiling %s: wrote %d/%d tiles" % (
+                    self._associated or 'slide', count, total),
+                    end='\r', file=sys.stderr)
             if count == total:
-                print
+                print(file=sys.stderr)
 
     def _write_dzi(self):
         with open('%s.dzi' % self._basename, 'w') as fh:

openslide/__init__.py

@@ -25,7 +25,7 @@
 http://openslide.org/api/openslide_8h.html
 """
 
-from __future__ import division
+from __future__ import division, print_function
 from collections import Mapping
 from PIL import Image
 
@@ -359,12 +359,12 @@ def open_slide(filename):
 
 if __name__ == '__main__':
     import sys
-    print "OpenSlide can open:", OpenSlide.can_open(sys.argv[1])
-    print "PIL can open:", ImageSlide.can_open(sys.argv[1])
+    print("OpenSlide can open:", OpenSlide.can_open(sys.argv[1]))
+    print("PIL can open:", ImageSlide.can_open(sys.argv[1]))
     with open_slide(sys.argv[1]) as _slide:
-        print "Dimensions:", _slide.dimensions
-        print "Levels:", _slide.level_count
-        print "Level dimensions:", _slide.level_dimensions
-        print "Level downsamples:", _slide.level_downsamples
-        print "Properties:", _slide.properties
-        print "Associated images:", _slide.associated_images
+        print("Dimensions:", _slide.dimensions)
+        print("Levels:", _slide.level_count)
+        print("Level dimensions:", _slide.level_dimensions)
+        print("Level downsamples:", _slide.level_downsamples)
+        print("Properties:", _slide.properties)
+        print("Associated images:", _slide.associated_images)