python 3 compatibility

popUp.py

@@ -1,7 +1,8 @@
+from __future__ import print_function
 try:
 	import pygame_sdl2 as pygame
 except ImportError:
-	print "pygame_sdl2 not found; falling back to pygame."
+	print("pygame_sdl2 not found; falling back to pygame.")
 	import pygame
 import time
 

snake.py

@@ -1,14 +1,15 @@
 #!/usr/bin/env python
 
-
+from __future__ import print_function
 import os
 #from screen import screen
 import sys
 import random
+
 try:
 	import pygame_sdl2 as pygame
 except ImportError:
-	print "pygame_sdl2 not found; falling back to pygame."
+	print("pygame_sdl2 not found; falling back to pygame.")
 	import pygame
 import conf
 from ui import ui
@@ -292,7 +293,7 @@ def run_game(self):
 					elif event.key == pygame.K_q:
 						self.exit_game()
 					else:
-						print "event.key:", event.key
+						print("event.key:", event.key)
 					#if event.key == pygame.K_UP:
 					#	self.move(1)
 				else:
@@ -301,7 +302,7 @@ def run_game(self):
 
 			if conf.TOUCH_SCREEN:
 				mouseAction = self.touchScreen.getEventBoxes()
-				if mouseAction > 0:
+				if mouseAction and mouseAction > 0:
 					if gameOver:
 						self.resetGame()
 						gameOver = False

touchScreen.py

@@ -1,7 +1,9 @@
+from __future__ import print_function
+
 try:
 	import pygame_sdl2 as pygame
 except ImportError:
-	print "pygame_sdl2 not found; falling back to pygame."
+	print("pygame_sdl2 not found; falling back to pygame.")
 	import pygame
 
 class touchScreen(object):

ui.py

@@ -2,11 +2,11 @@
 
 # notes:
 # The Ten Commandments Of Video Game Menus http://kotaku.com/5955855/the-ten-commandments-of-video-game-menus
-
+from __future__ import print_function
 try:
 	import pygame_sdl2 as pygame
 except ImportError:
-	print "pygame_sdl2 not found; falling back to pygame."
+	print("pygame_sdl2 not found; falling back to pygame.")
 	import pygame
 import sys
 
@@ -183,11 +183,11 @@ def draw(self, menuKey=''):
 
 			elif event.type == pygame.KEYDOWN:
 				if iUi.interaction(event.key):
-					print "UI catched this key:", event.key
+					print("UI catched this key:", event.key)
 				else:
-					print "no UI catch, key pressed:", event.key
+					print("no UI catch, key pressed:", event.key)
 					if pygame.K_RETURN == event.key:
-						print "selected item:", iUi.getSelectedItem()
+						print("selected item:", iUi.getSelectedItem())
 
 					if event.key == pygame.K_q:
 						sys.exit(0)