1 files changed, 11 insertions, 5 deletions
diff --git a/src/olpc/datastore/backingstore.py b/src/olpc/datastore/backingstore.py
index 12dc582..e900649 100644
--- a/src/olpc/datastore/backingstore.py
+++ b/src/olpc/datastore/backingstore.py
@@ -22,6 +22,8 @@ import threading
 import errno
 import shutil
 import urllib
+import traceback
+import sys
 
 import dbus
 import xapian
@@ -267,11 +269,15 @@ class FileBackingStore(BackingStore):
         if 'uri' not in desc: desc['uri'] = self.uri
         if 'title' not in desc: desc['title'] = self.uri
 
-
-        fp = open(fn, 'w')
-        pickle.dump(desc, fp)
-        fp.close()
-
+        # TODO: Would be better to check if the device is present and
+        # don't try to update the descriptor file if it's not.
+        try:
+            fp = open(fn, 'w')
+            pickle.dump(desc, fp)
+            fp.close()
+        except IOError, e:
+            logging.error('Unable to write descriptor:\n' + \
+                ''.join(traceback.format_exception(*sys.exc_info())))
 
     @staticmethod
     def parse(uri):