integrated dev menu into game with secret code

pocket_friends/io/input_handler.py

@@ -1,5 +1,5 @@
 import pygame
-
+from collections import deque
 
 class InputHandler:
     """
@@ -24,6 +24,12 @@ class InputHandler:
         self.clock = pygame_clock
         self.tick_check = tick_check
         self.last_input_tick = 0
+        self.dev_check = deque()
+        self.dev_code = deque()
+        for button in [pygame.K_DOWN, pygame.K_DOWN, pygame.K_UP, pygame.K_UP, pygame.K_DOWN, pygame.K_LEFT,
+                       pygame.K_RIGHT, pygame.K_LEFT, pygame.K_a]:
+            self.dev_code.append(button)
+        self.dev_found = False
 
     def create_event(self, pressed_button):
         """
@@ -37,6 +43,9 @@ class InputHandler:
             if pygame.time.get_ticks() - self.last_input_tick > self.clock.get_time() * 2:
                 pygame.event.post(pygame.event.Event(pygame.KEYDOWN, {'key': pressed_button}))
                 pygame.event.post(pygame.event.Event(pygame.KEYUP, {'key': pressed_button}))
+                self.dev_check.append(pressed_button)
+                if len(self.dev_check) > len(self.dev_code):
+                    self.dev_check.popleft()
         else:
             pygame.event.post(pygame.event.Event(pygame.KEYDOWN, {'key': pressed_button}))
             pygame.event.post(pygame.event.Event(pygame.KEYUP, {'key': pressed_button}))
@@ -70,3 +79,5 @@ class InputHandler:
     def update(self):
         """Run either the GPIO handler or the keyboard handler to check for input and create events."""
         self.handle_keyboard()
+        if self.dev_code == self.dev_check:
+            self.dev_found = True