Change "print " lines to "print(" lines

extract_scene.py

@@ -44,7 +44,7 @@ def get_configuration(sys_argv):
    try:
       opts, args = getopt.getopt(sys_argv[1:], 'hlmpwstqao:')
    except getopt.GetoptError as err:
-      print str(err)
+      print(str(err))
       sys.exit(2)
    config = {
       "file"            : None,
@@ -63,7 +63,7 @@ def get_configuration(sys_argv):
    }
    for opt, arg in opts:
       if opt == '-h':
-         print HELP_MESSAGE
+         print(HELP_MESSAGE)
          return
       if opt in ['-l', '-p']:
          config["camera_config"] = LOW_QUALITY_CAMERA_CONFIG
@@ -93,7 +93,7 @@ def get_configuration(sys_argv):
    config["skip_animations"] = config["save_image"] and not config["write_to_movie"]
 
    if len(args) == 0:
-      print HELP_MESSAGE
+      print(HELP_MESSAGE)
       sys.exit()
    config["file"] = args[0]
    if len(args) > 1:
@@ -129,7 +129,7 @@ def prompt_user_for_choice(name_to_obj):
    num_to_name = {}
    names = sorted(name_to_obj.keys())
    for count, name in zip(it.count(1), names):
-      print "%d: %s"%(count, name)
+      print("%d: %s"%(count, name))
       num_to_name[count] = name
    try:
       user_input = raw_input(CHOOSE_NUMBER_MESSAGE)
@@ -138,19 +138,19 @@ def prompt_user_for_choice(name_to_obj):
          for num_str in user_input.split(",")
       ]
    except:
-      print INVALID_NUMBER_MESSAGE
+      print(INVALID_NUMBER_MESSAGE)
       sys.exit()
 
 def get_scene_classes(scene_names_to_classes, config):
    if len(scene_names_to_classes) == 0:
-      print NO_SCENE_MESSAGE
+      print(NO_SCENE_MESSAGE)
       return []
    if len(scene_names_to_classes) == 1:
       return scene_names_to_classes.values()
    if config["scene_name"] in scene_names_to_classes:
       return [scene_names_to_classes[config["scene_name"]] ]
    if config["scene_name"] != "":
-      print SCENE_NOT_FOUND_MESSAGE
+      print(SCENE_NOT_FOUND_MESSAGE)
       return []
    if config["write_all"]:
       return scene_names_to_classes.values()
@@ -206,15 +206,11 @@ def main():
          handle_scene(SceneClass(**scene_kwargs), **config)
          play_finish_sound()
       except:
-         print "\n\n"
+         print("\n\n")
          traceback.print_exc()
-         print "\n\n"
+         print("\n\n")
          play_error_sound()
 
 
 if __name__ == "__main__":
    main()
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mobject/tex_mobject.py

@@ -284,9 +284,9 @@ def generate_tex_file(expression, template_tex_file):
         tex_hash(expression, template_tex_file)
     ) + ".tex"
     if not os.path.exists(result):
-        print "Writing \"%s\" to %s"%(
+        print("Writing \"%s\" to %s"%(
             "".join(expression), result
-        )
+        ))
         with open(template_tex_file, "r") as infile:
             body = infile.read()
             body = body.replace(TEX_TEXT_TO_REPLACE, expression)
@@ -345,17 +345,3 @@ def dvi_to_svg(dvi_file, regen_if_exists = False):
         ]
         os.system(" ".join(commands))
     return result
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nn/network.py

@@ -92,10 +92,10 @@ class Network(object):
             for mini_batch in mini_batches:
                 self.update_mini_batch(mini_batch, eta)
             if test_data:
-                print "Epoch {0}: {1} / {2}".format(
+                print("Epoch {0}: {1} / {2}".format(
-                    j, self.evaluate(test_data), n_test)
+                    j, self.evaluate(test_data), n_test))
             else:
-                print "Epoch {0} complete".format(j)
+                print("Epoch {0} complete".format(j))
 
     def update_mini_batch(self, mini_batch, eta):
         """Update the network's weights and biases by applying
@@ -215,7 +215,7 @@ def test_network():
             n_right += 1
         else:
             n_wrong += 1
-    print n_right, n_wrong, float(n_right)/(n_right + n_wrong)
+    print(n_right, n_wrong, float(n_right)/(n_right + n_wrong))
 
 def layer_to_image_array(layer):
     w = int(np.ceil(np.sqrt(len(layer))))
@@ -254,8 +254,8 @@ def maximizing_input(network, layer_index, layer_vect, n_steps = 100, seed_guess
         norms.append(norm)
         old_pre_sig_guess = np.array(pre_sig_guess)
         pre_sig_guess += 0.1*gradient
-        print np.linalg.norm(old_pre_sig_guess - pre_sig_guess)
+        print(np.linalg.norm(old_pre_sig_guess - pre_sig_guess))
-    print ""
+    print("")
     return sigmoid(pre_sig_guess)
 
 def save_organized_images(n_images_per_number = 10):
@@ -299,41 +299,3 @@ def get_organized_images():
 #     prev_vect /= np.max(np.abs(prev_vect))
 #     # prev_vect /= 1.1
 #     return maximizing_input(network, layer_index - 1, prev_vect)
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old_projects/counting_in_binary.py

@@ -145,7 +145,7 @@ def get_hand_map(which_hand = "right"):
     elif which_hand == "left":
         Class = LeftHand
     else:
-        print "Bad arg, bro"
+        print("Bad arg, bro")
         return
     return dict([
         (num, Class(num, small=True))
@@ -170,7 +170,7 @@ class SaveEachNumber(OverHand):
             Image.fromarray(self.frames[COUNT_TO_FRAME_NUM[count]]).save(path)
 
     def write_to_movie(self, name = None):
-        print "Why bother writing to movie..."
+        print("Why bother writing to movie...")
 
 class ShowCounting(OverHand):
     def construct(self):
@@ -197,7 +197,7 @@ class ShowFrameNum(OverHand):
     def construct(self):
         OverHand.construct(self)
         for frame, count in zip(self.frames, it.count()):
-            print count, "of", len(self.frames)
+            print(count + "of" + len(self.frames))
             mob = Mobject(*[
                 TexMobject(char).shift(0.3*x*RIGHT)
                 for char, x, in zip(str(count), it.count())
@@ -480,14 +480,3 @@ class WithToes(Scene):
 
 if __name__ == "__main__":
     command_line_create_scene(MOVIE_PREFIX)
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old_projects/fractal_dimension.py

@@ -2671,7 +2671,7 @@ class SmoothBritainLogLogPlot(IntroduceLogLogPlot):
         interim_point1 = p2[0]*RIGHT + p1[1]*UP
         interim_point2 = p4[0]*RIGHT + p3[1]*UP
 
-        print self.func(2)
+        print(self.func(2))
 
         slope_lines1, slope_lines2 = VMobject(), VMobject()
         slope_lines1.set_points_as_corners(
@@ -2956,19 +2956,3 @@ class Thumbnail(Scene):
         koch_curve.to_edge(DOWN, buff = SMALL_BUFF)
 
         self.add(koch_curve, title)
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old_projects/playground_counting_in_binary.py

@@ -105,7 +105,7 @@ class BufferedCounting(SceneFromVideo):
             for dim, spread in zip(self.shape, spreads)
         ]
         for frame, index in zip(self.frames, it.count()):
-            print index, "of", len(self.frames)
+            print(index + "of" + len(self.frames))
             blurred = cv2.GaussianBlur(frame, ksize, sigmaX)
             edged = cv2.Canny(blurred, threshold1, threshold2)
             buffed = reduce(np.dot, [matrices[0], edged, matrices[1]])
@@ -186,7 +186,7 @@ class ShowCounting(SceneFromVideo):
         SceneFromVideo.construct(self, path)
         total_time = len(self.frames)*self.frame_duration
         for count in range(32):
-            print count
+            print(count)
             mob = TexMobject(str(count)).scale(1.5)
             mob.shift(0.3*LEFT).to_edge(UP, buff = 0.1)
             index_range = range(
@@ -210,7 +210,7 @@ class ShowFrameNum(SceneFromVideo):
         path = os.path.join(MOVIE_DIR, MOVIE_PREFIX, filename+".mp4")
         SceneFromVideo.construct(self, path)
         for frame, count in zip(self.frames, it.count()):
-            print count, "of", len(self.frames)
+            print(count + "of" + len(self.frames))
             mob = Mobject(*[
                 TexMobject(char).shift(0.3*x*RIGHT)
                 for char, x, in zip(str(count), it.count())

old_projects/zeta.py

@@ -158,11 +158,11 @@ class TestZetaOnHalfPlane(ZetaTransformationScene):
         self.add_transformable_plane()
         self.add_extra_plane_lines_for_zeta()
         self.prepare_for_transformation(self.plane)
-        print sum([
+        print(sum([
             mob.get_num_points()
             for mob in self.plane.family_members_with_points()
-        ])
+        ]))
-        print len(self.plane.family_members_with_points())
+        print(len(self.plane.family_members_with_points()))
         self.apply_zeta_function()
         self.dither()
 
@@ -3359,8 +3359,3 @@ class ZetaPartialSums(ZetaTransformationScene):
                 Transform(symbol, sigma)
             )
             self.dither()
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scene/scene.py

@@ -471,7 +471,7 @@ class Scene(object):
         name = str(self)
         file_path = self.get_movie_file_path(name, ".mp4")
         temp_file_path = file_path.replace(".mp4", "Temp.mp4")
-        print "Writing to %s"%temp_file_path
+        print("Writing to %s"%temp_file_path)
         self.args_to_rename_file = (temp_file_path, file_path)
 
         fps = int(1/self.frame_duration)
@@ -502,29 +502,3 @@ class Scene(object):
             shutil.move(*self.args_to_rename_file)
         else:
             os.rename(*self.args_to_rename_file)
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scene/scene_from_video.py

@@ -25,7 +25,7 @@ class SceneFromVideo(Scene):
             start_frame, end_frame = map(lambda t : fps*t, time_range)
 
         frame_count = end_frame - start_frame
-        print "Reading in " + file_name + "..."
+        print("Reading in " + file_name + "...")
         for count in show_progress(range(start_frame, end_frame+1)):
             returned, frame = cap.read()
             if not returned
@@ -52,6 +52,3 @@ class SceneFromVideo(Scene):
         for index in range(len(self.frames)):
             for i in range(3):
                 self.frames[index][:,:,i] = edged_frames[index]
-
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