Index: utils/version.py
===================================================================
--- utils/version.py	(revision 10368)
+++ utils/version.py	(working copy)
@@ -2,6 +2,7 @@
 import os.path
 import re
 
+
 def get_svn_revision(path=None):
     """
     Returns the SVN revision in the form SVN-XXXX,
@@ -19,20 +20,26 @@
         path = django.__path__[0]
     entries_path = '%s/.svn/entries' % path
 
-    if os.path.exists(entries_path):
-        entries = open(entries_path, 'r').read()
-        # Versions >= 7 of the entries file are flat text.  The first line is
-        # the version number. The next set of digits after 'dir' is the revision.
-        if re.match('(\d+)', entries):
-            rev_match = re.search('\d+\s+dir\s+(\d+)', entries)
-            if rev_match:
-                rev = rev_match.groups()[0]
-        # Older XML versions of the file specify revision as an attribute of
-        # the first entries node.
-        else:
-            from xml.dom import minidom
-            dom = minidom.parse(entries_path)
-            rev = dom.getElementsByTagName('entry')[0].getAttribute('revision')
+    try:
+        if os.path.exists(entries_path):
+            entries = open(entries_path, 'r').read()
+            # Versions >= 7 of the entries file are flat text.  The first line
+            # is the version number. The next set of digits after 'dir' is the
+            # revision.
+            if re.match('(\d+)', entries):
+                rev_match = re.search('\d+\s+dir\s+(\d+)', entries)
+                if rev_match:
+                    rev = rev_match.groups()[0]
+            # Older XML versions of the file specify revision as an attribute
+            # of the first entries node.
+            else:
+                from xml.dom import minidom
+                dom = minidom.parse(entries_path)
+                rev = dom.getElementsByTagName('entry')[0].getAttribute(
+                        'revision')
+    except:
+        # We may be running in an environment that doesn't allow file access.
+        pass
 
     if rev:
         return u'SVN-%s' % rev
