shuffle programs regularly

player/main.py

@@ -69,6 +69,21 @@ class Main(object):
                 print('***** load_program followup {} *****'.format(program._name))
             else:
                 self._program_index = (self._program_index + 1) % len(self._programs)
+                # shuffle programs?
+                middle_index = int(0.5*len(self._programs))
+                one_third_index = int(0.3*len(self._programs))
+                if self._program_index == 0:
+                    # shuffle last two third whenever program loop starts again
+                    a = self._programs[:one_third_index]
+                    b = self._programs[one_third_index:]
+                    shuffle(b)
+                    self._programs = a + b
+                elif self._program_index == middle_index + 1:
+                    # shuffle first half whenever program loop has reached second half
+                    a = self._programs[:middle_index]
+                    b = self._programs[middle_index:]
+                    shuffle(a)
+                    self._programs = a + b
                 program = self._programs[self._program_index]
             print('***** load_program {} *****'.format(program._name))
             loop = self._api.start_session()