[examples] switch to print function everywhere + fix E211

Signed-off-by: Thomas Hisch <t.hisch@gmail.com>

Author: twmr

examples/api/date_index_formatter.py

@@ -11,7 +11,7 @@
 import matplotlib.ticker as ticker
 
 datafile = cbook.get_sample_data('aapl.csv', asfileobj=False)
-print ('loading %s' % datafile)
+print('loading %s' % datafile)
 r = mlab.csv2rec(datafile)
 
 r.sort()

examples/api/watermark_image.py

@@ -8,7 +8,7 @@
 import matplotlib.pyplot as plt
 
 datafile = cbook.get_sample_data('logo2.png', asfileobj=False)
-print ('loading %s' % datafile)
+print('loading %s' % datafile)
 im = image.imread(datafile)
 im[:, :, -1] = 0.5  # set the alpha channel
 

examples/event_handling/pipong.py

@@ -81,12 +81,12 @@ def update(self,pads):
         fudge = .001
         # probably cleaner with something like...if not self.field.contains(self.x, self.y):
         if self.x < 0+fudge:
-            #print "player A loses"
+            #print("player A loses")
             pads[1].score += 1;
             self._reset(pads[0])
             return True
         if self.x > 7-fudge:
-            #print "player B loses"
+            #print("player B loses")
             pads[0].score += 1;
             self._reset(pads[1])
             return True

examples/misc/font_indexing.py

@@ -19,7 +19,7 @@
 #for ccode, glyphind in dsu:
 #    try: name = font.get_glyph_name(glyphind)
 #    except RuntimeError: pass
-#    else: print '% 4d % 4d %s %s'%(glyphind, ccode, hex(int(ccode)), name)
+#    else: print('% 4d % 4d %s %s' % (glyphind, ccode, hex(int(ccode)), name))
 
 
 # make a charname to charcode and glyphind dictionary
@@ -32,7 +32,7 @@
 
 code = coded['A']
 glyph = font.load_char(code)
-#print glyph.bbox
+#print(glyph.bbox)
 print(glyphd['A'], glyphd['V'], coded['A'], coded['V'])
 print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_DEFAULT))
 print('AV', font.get_kerning(glyphd['A'], glyphd['V'], KERNING_UNFITTED))

examples/misc/svg_filter_pie.py

@@ -91,5 +91,5 @@
     shadow.set("filter",'url(#dropshadow)')
 
 fn = "svg_filter_pie.svg"
-print "Saving '%s'" % fn
+print("Saving '%s'" % fn)
 ET.ElementTree(tree).write(fn)

examples/mplot3d/wire3d_animation_demo.py

@@ -36,4 +36,4 @@ def generate(X, Y, phi):
 
     plt.pause(.001)
 
-print ('FPS: %f' % (100 / (time.time() - tstart)))
+print('FPS: %f' % (100 / (time.time() - tstart)))

examples/pylab_examples/anscombe.py

@@ -54,6 +54,6 @@ def fit(x):
 # verify the stats
 pairs = (x,y1), (x,y2), (x,y3), (x4,y4)
 for x,y in pairs:
-    print ('mean=%1.2f, std=%1.2f, r=%1.2f'%(mean(y), std(y), corrcoef(x,y)[0][1]))
+    print('mean=%1.2f, std=%1.2f, r=%1.2f'%(mean(y), std(y), corrcoef(x,y)[0][1]))
 
 show()

examples/pylab_examples/coords_demo.py

@@ -20,21 +20,21 @@ def on_move(event):
 
     if event.inaxes:
         ax = event.inaxes  # the axes instance
-        print ('data coords %f %f' % (event.xdata, event.ydata))
+        print('data coords %f %f' % (event.xdata, event.ydata))
 
 
 def on_click(event):
     # get the x and y coords, flip y from top to bottom
     x, y = event.x, event.y
     if event.button==1:
         if event.inaxes is not None:
-            print ('data coords %f %f' % (event.xdata, event.ydata))
+            print('data coords %f %f' % (event.xdata, event.ydata))
 
 binding_id = connect('motion_notify_event', on_move)
 connect('button_press_event', on_click)
 
 if "test_disconnect" in sys.argv:
-    print ("disconnecting console coordinate printout...")
+    print("disconnecting console coordinate printout...")
     disconnect(binding_id)
 
 show()

examples/pylab_examples/cursor_demo.py

@@ -64,7 +64,7 @@ def mouse_move(self, event):
         self.ly.set_xdata(x)
 
         self.txt.set_text('x=%1.2f, y=%1.2f'%(x,y))
-        print ('x=%1.2f, y=%1.2f'%(x,y))
+        print('x=%1.2f, y=%1.2f'%(x,y))
         draw()
 
 t = arange(0.0, 1.0, 0.01)

examples/pylab_examples/dashpointlabel.py

@@ -22,7 +22,7 @@
 for i in range(len(DATA)):
     (x,y) = DATA[i]
     (dd, dl, r, dr, dp) = dash_style[i]
-    #print 'dashlen call', dl
+    #print('dashlen call %d' % dl)
     t = ax.text(x, y, str((x,y)), withdash=True,
                dashdirection=dd,
                dashlength=dl,