Replaced the raw_input() calls with a call into dlib since raw_input() isn't

available in python3.

python_examples/face_detector.py

@@ -58,4 +58,4 @@ for f in sys.argv[1:]:
     win.clear_overlay()
     win.set_image(img)
     win.add_overlay(dets)
-    raw_input("Hit enter to continue")
+    dlib.hit_enter_to_continue()

python_examples/face_landmark_detection.py

@@ -81,4 +81,4 @@ for f in glob.glob(os.path.join(faces_folder_path, "*.jpg")):
         win.add_overlay(shape)
 
     win.add_overlay(dets)
-    raw_input("Hit enter to continue")
+    dlib.hit_enter_to_continue()

python_examples/train_object_detector.py

@@ -117,7 +117,7 @@ for f in glob.glob(os.path.join(faces_folder, "*.jpg")):
     win.clear_overlay()
     win.set_image(img)
     win.add_overlay(dets)
-    raw_input("Hit enter to continue")
+    dlib.hit_enter_to_continue()
 
 
 
@@ -150,7 +150,7 @@ detector2 = dlib.train_simple_object_detector(images, boxes, options)
 
 # Now let's look at its HOG filter!
 win_det.set_image(detector2)
-raw_input("Hit enter to continue")
+dlib.hit_enter_to_continue()
 
 # Note that you don't have to use the XML based input to
 # test_simple_object_detector().  If you have already loaded your training

python_examples/train_shape_predictor.py

@@ -123,5 +123,5 @@ for f in glob.glob(os.path.join(faces_folder, "*.jpg")):
         win.add_overlay(shape)
 
     win.add_overlay(dets)
-    raw_input("Hit enter to continue")
+    dlib.hit_enter_to_continue()
 

tools/python/src/other.cpp

@@ -74,6 +74,14 @@ double _assignment_cost (
 
 // ----------------------------------------------------------------------------------------
 
+void hit_enter_to_continue()
+{
+    std::cout << "Hit enter to continue";
+    std::cin.get();
+}
+
+// ----------------------------------------------------------------------------------------
+
 void bind_other()
 {
     using boost::python::arg;
@@ -140,5 +148,8 @@ present in the output.   "
 ensures    \n\
     - saves the data to the given file in libsvm format   " 
     );
+
+    def("hit_enter_to_continue", hit_enter_to_continue, 
+        "Asks the user to hit enter to continue and pauses until they do so.");
 }