Add more save file helpers

diff --git a/tabakrolletjie/utils.py b/tabakrolletjie/utils.py
index 6be4469ecf8b404fc8032cb3f2bddb8dcacf0250..6f9e133cb999cd57b20dd64f65f251f4516415e3 100644 (file)
--- a/tabakrolletjie/utils.py
+++ b/tabakrolletjie/utils.py
@@ -4,6 +4,8 @@ import functools
 import time
 import pygame.surface
 import pygame.locals as pgl
+import os
+import sys
 
 from .constants import DEBUG
 from .loader import loader
@@ -69,3 +71,24 @@ def shadowed_text(text, font_name, size, offset=4):
     base.blit(background, (offset, offset), None)
     base.blit(foreground, (0, 0), None)
     return base
+
+
+def save_location():
+    """Return the directory for the save location."""
+    app = "tabakrolletjie"
+    if sys.platform.startswith('win'):
+        if 'APPDATA' in os.environ:
+            return os.path.join(os.environ['APPDATA'], app)
+        return os.path.join(os.path.expanduser('~'), '.' + app)
+    elif 'XDG_DATA_HOME' in os.environ:
+        return os.path.join(os.environ['XDG_DATA_HOME'], app)
+    return os.path.join(os.path.expanduser('~'), '.local', 'share', app)
+
+
+def get_save_file_name():
+    return os.path.join(save_location(), 'savegame.json')
+
+
+def save_file_exists():
+    savefile = get_save_file_name()
+    return os.path.isfile(savefile)