From af594c16f27073bfe632e0e8d34739ad9d3b1ea5 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 18 Jun 2010 10:11:00 -0600
Subject: [PATCH] ...

---
 src/calibre/gui2/device.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/device.py b/src/calibre/gui2/device.py
index 36faee6dcb..33191d1773 100644
--- a/src/calibre/gui2/device.py
+++ b/src/calibre/gui2/device.py
@@ -1355,10 +1355,12 @@ class DeviceMixin(object): # {{{
             # library view. In this case, simply give up
             if not hasattr(self, 'library_view') or self.library_view is None:
                 return
+            db = getattr(self.library_view.model(), 'db', None)
+            if db is None:
+                return
             # Build a cache (map) of the library, so the search isn't On**2
             self.db_book_title_cache = {}
             self.db_book_uuid_cache = {}
-            db = self.library_view.model().db
             for id in db.data.iterallids():
                 mi = db.get_metadata(id, index_is_id=True)
                 title = re.sub('(?u)\W|[_]', '', mi.title.lower())