From 4ffac190718f6f80e32090e7472b9829e1225e56 Mon Sep 17 00:00:00 2001
From: Doug Blank <doug.blank@gmail.com>
Date: Thu, 22 Oct 2009 23:48:04 +0000
Subject: [PATCH] Change to test to see if ast.literal_eval exists; if not
 fallback to eval (which is not safe)

svn: r13394
---
 src/config.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/config.py b/src/config.py
index ebd7b18f6..f98abc9d5 100644
--- a/src/config.py
+++ b/src/config.py
@@ -34,12 +34,17 @@ This package implements access to GRAMPS configuration.
 #
 #---------------------------------------------------------------
 import os
-import ast
 import time
 import ConfigParser
 import errno
 from gettext import gettext as _
 
+try:
+    from ast import literal_eval as safe_eval
+except:
+    # not safe, but works:
+    safe_eval = eval
+
 #---------------------------------------------------------------
 #
 # Gramps imports
@@ -177,8 +182,8 @@ class ConfigManager(object):
                             continue # with next setting
                     ####################### End upgrade code
                     else:
-                        # a simple eval (does not eval expressions):
-                        value = ast.literal_eval(setting)
+                        # as safe as we can be:
+                        value = safe_eval(setting)
                     ####################### Now, let's test and set:
                     if opt.lower() in self.default[name]:
                         if type(value) == type(self.default[name][opt.lower()]):