From 0159bc7b5243fb603f7afd12d8ff34ffacff291f Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@sugarlabs.org>
Date: Fri, 11 Sep 2009 11:47:40 +0000
Subject: Warn when the XoColor string is invalid.

---
diff --git a/src/sugar/graphics/xocolor.py b/src/sugar/graphics/xocolor.py
index 92a61a4..00238d9 100644
--- a/src/sugar/graphics/xocolor.py
+++ b/src/sugar/graphics/xocolor.py
@@ -20,6 +20,7 @@ STABLE.
 """
 
 import random
+import logging
 
 colors = [
 ['#B20008', '#FF2B34'], \
@@ -225,7 +226,16 @@ def is_valid(color_string):
 class XoColor:
 
     def __init__(self, color_string=None):
-        if color_string == None or not is_valid(color_string):
+        if color_string == None:
+            randomize = True
+        elif not is_valid(color_string):
+            logging.error('Color string is not valid: %s, will generate a '
+                          'random color pair.', color_string)
+            randomize = True
+        else:
+            randomize = False
+
+        if randomize:
             n = int(random.random() * (len(colors) - 1))
             [self.stroke, self.fill] = colors[n]
         else:
--
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