From e2cab6f0ac6504ec1b55ae458812ff05837f7e98 Mon Sep 17 00:00:00 2001
From: Luke Faraone <luke@faraone.cc>
Date: Sat, 21 Aug 2010 21:25:08 +0000
Subject: Handle the case of an unwritable configuration directory.

---
(limited to 'turtleart.py')

diff --git a/turtleart.py b/turtleart.py
index c2933f1..faf5b96 100755
--- a/turtleart.py
+++ b/turtleart.py
@@ -28,6 +28,7 @@ import getopt
 import sys
 import os
 import os.path
+import cStringIO
 import errno
 
 try:
@@ -164,8 +165,14 @@ class TurtleMain():
             except IOError:
                 # Opening the config file failed
                 # We'll assume it needs to be created
-                mkdir_p(CONFIG_HOME)
-                data_file = open(os.path.join(CONFIG_HOME, 'turtleartrc'), 'a+')
+                try: 
+                    mkdir_p(CONFIG_HOME)
+                    data_file = open(os.path.join(CONFIG_HOME, 'turtleartrc'), 'a+')
+                except IOError:
+                    # We can't write to the configuration file, use 
+                    # a faux file that will persist for the length of 
+                    # the session.
+                    data_file = cStringIO.StringIO()
                 data_file.write(str(50) + '\n')
                 data_file.write(str(50) + '\n')
                 data_file.write(str(800) + '\n')
--
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