print_function transition in examples

Author: mdboom

examples/animation/old_animation/animate_decay_tk_blit.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import time, sys
 import numpy as np
 import matplotlib.pyplot as plt
@@ -44,7 +45,7 @@ def run(*args):
 
         if run.cnt==1000:
             # print the timing info and quit
-            print 'FPS:' , 1000/(time.time()-tstart)
+            print('FPS:' , 1000/(time.time()-tstart))
             sys.exit()
 
         run.cnt += 1

examples/animation/old_animation/animation_blit_fltk.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import fltk
 import matplotlib
@@ -37,7 +38,7 @@ def update(self,ptr):
         self.cnt+=1
         if self.cnt==1000:
             # print the timing info and quit
-            print 'FPS:' , 1000/(time.time()-self.tstart)
+            print('FPS:' , 1000/(time.time()-self.tstart))
             sys.exit()
         return True
 

examples/animation/old_animation/animation_blit_gtk.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+from __future__ import print_function
+
 # For detailed comments on animation and the techniques used here, see
 # the wiki entry
 # http://www.scipy.org/wikis/topical_software/MatplotlibAnimation
@@ -30,7 +32,7 @@
 tstart = time.time()
 
 def update_line(*args):
-    print 'you are here', update_line.cnt
+    print('you are here', update_line.cnt)
     if update_line.background is None:
         update_line.background = canvas.copy_from_bbox(ax.bbox)
 
@@ -46,7 +48,7 @@ def update_line(*args):
 
     if update_line.cnt==1000:
         # print the timing info and quit
-        print 'FPS:' , 1000/(time.time()-tstart)
+        print('FPS:' , 1000/(time.time()-tstart))
         gtk.mainquit()
         raise SystemExit
 

examples/animation/old_animation/animation_blit_gtk2.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+from __future__ import print_function
+
 """
 This example utlizes restore_region with optional bbox and xy
 arguments.  The plot is continuously shifted to the left. Instead of
@@ -137,7 +139,7 @@ def update_line(self, *args):
         dt = (time.time()-tstart)
         if dt>15:
             # print the timing info and quit
-            print 'FPS:' , self.cnt/dt
+            print('FPS:' , self.cnt/dt)
             gtk.main_quit()
             raise SystemExit
 

examples/animation/old_animation/animation_blit_qt.py

@@ -1,6 +1,8 @@
 # For detailed comments on animation and the techniqes used here, see
 # the wiki entry http://www.scipy.org/Cookbook/Matplotlib/Animations
 
+from __future__ import print_function
+
 import os, sys
 import matplotlib
 matplotlib.use('QtAgg') # qt3 example
@@ -47,7 +49,7 @@ def timerEvent(self, evt):
 
         if self.cnt==ITERS:
             # print the timing info and quit
-            print 'FPS:' , ITERS/(time.time()-self.tstart)
+            print('FPS:', ITERS/(time.time()-self.tstart))
             sys.exit()
 
         else:

examples/animation/old_animation/animation_blit_qt4.py

@@ -1,6 +1,8 @@
 # For detailed comments on animation and the techniqes used here, see
 # the wiki entry http://www.scipy.org/Cookbook/Matplotlib/Animations
 
+from __future__ import print_function
+
 import os
 import sys
 
@@ -63,7 +65,7 @@ def timerEvent(self, evt):
             self.draw()
         if self.cnt==ITERS:
             # print the timing info and quit
-            print 'FPS:' , ITERS/(time.time()-self.tstart)
+            print('FPS:' , ITERS/(time.time()-self.tstart))
             sys.exit()
         else:
             self.cnt += 1

examples/animation/old_animation/animation_blit_tk.py

@@ -1,6 +1,8 @@
 # For detailed comments on animation and the techniqes used here, see
 # the wiki entry http://www.scipy.org/Cookbook/Matplotlib/Animations
 
+from __future__ import print_function
+
 import matplotlib
 matplotlib.use('TkAgg')
 
@@ -34,7 +36,7 @@ def run(*args):
 
         if run.cnt==1000:
             # print the timing info and quit
-            print 'FPS:' , 1000/(time.time()-tstart)
+            print('FPS:', 1000/(time.time()-tstart))
             sys.exit()
 
         run.cnt += 1

examples/animation/old_animation/animation_blit_wx.py

@@ -2,6 +2,8 @@
 # the wiki entry
 # http://www.scipy.org/wikis/topical_software/MatplotlibAnimation
 
+from __future__ import print_function
+
 # The number of blits() to make before exiting
 NBLITS = 1000
 
@@ -58,11 +60,11 @@ def update_line(*args):
     if update_line.cnt == NBLITS:
         # print the timing info and quit
         frame_time = time.time() - tstart
-        print '%d frames: %.2f seconds' % (NBLITS, frame_time)
-        print '%d blits:  %.2f seconds' % (NBLITS, blit_time)
-        print
-        print 'FPS: %.2f' % (NBLITS/frame_time)
-        print 'BPS: %.2f' % (NBLITS/blit_time)
+        print('%d frames: %.2f seconds' % (NBLITS, frame_time))
+        print('%d blits:  %.2f seconds' % (NBLITS, blit_time))
+        print()
+        print('FPS: %.2f' % (NBLITS/frame_time))
+        print('BPS: %.2f' % (NBLITS/blit_time))
         sys.exit()
 
     update_line.cnt += 1

examples/animation/old_animation/dynamic_image_gtkagg.py

@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+
+from __future__ import print_function
 """
 An animated image
 """
@@ -34,7 +36,7 @@ def updatefig(*args):
     manager.canvas.draw()
     cnt += 1
     if cnt==50:
-        print 'FPS', cnt/(time.time() - tstart)
+        print('FPS', cnt/(time.time() - tstart))
         return False
     return True
 

examples/animation/old_animation/movie_demo.py

@@ -15,6 +15,8 @@
 # the script to suit your own needs.
 #
 
+from __future__ import print_function
+
 import matplotlib
 matplotlib.use('Agg')
 import matplotlib.pyplot as plt   # For plotting graphs.
@@ -28,9 +30,9 @@
 # Python interpreter, and matplotlib.  The version of
 # Mencoder is printed when it is called.
 #
-print 'Executing on', os.uname()
-print 'Python version', sys.version
-print 'matplotlib version', matplotlib.__version__
+print('Executing on', os.uname())
+print('Python version', sys.version)
+print('matplotlib version', matplotlib.__version__)
 
 not_found_msg = """
 The mencoder command was not found;
@@ -42,7 +44,7 @@
 try:
     subprocess.check_call(['mencoder'])
 except subprocess.CalledProcessError:
-    print "mencoder command was found"
+    print("mencoder command was found")
     pass # mencoder is found, but returns non-zero exit as expected
     # This is a quick and dirty check; it leaves some spurious output
     # for the user to puzzle over.
@@ -61,7 +63,7 @@
 # distributed Gaussian noise at each time step.
 #
 
-print 'Initializing data set...'   # Let the user know what's happening.
+print('Initializing data set...')   # Let the user know what's happening.
 
 # Initialize variables needed to create and store the example data set.
 numberOfTimeSteps = 100   # Number of frames we want in the movie.
@@ -78,7 +80,7 @@
     mean = mean + meaninc
     stddev = stddev + stddevinc
 
-print 'Done.'                       # Let the user know what's happening.
+print('Done.')                       # Let the user know what's happening.
 
 #
 # Now that we have an example data set (x,y) to work with, we can
@@ -113,7 +115,7 @@
     #
     # Let the user know what's happening.
     #
-    print 'Wrote file', filename
+    print('Wrote file', filename)
 
     #
     # Clear the figure to make way for the next image.
@@ -147,10 +149,10 @@
 
 #os.spawnvp(os.P_WAIT, 'mencoder', command)
 
-print "\n\nabout to execute:\n%s\n\n" % ' '.join(command)
+print("\n\nabout to execute:\n%s\n\n" % ' '.join(command))
 subprocess.check_call(command)
 
-print "\n\n The movie was written to 'output.avi'"
+print("\n\n The movie was written to 'output.avi'")
 
-print "\n\n You may want to delete *.png now.\n\n"
+print("\n\n You may want to delete *.png now.\n\n")