From 8e42bd34fc60611a96294683edb3e3f102964d88 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 7 Feb 2013 01:03:08 +0530
Subject: [PATCH] Fix adding books from multiple directories with multiple
 books per directory treating opf files as an ebook

---
 src/calibre/library/database2.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index d6362f2a76..d01c943fce 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -3739,7 +3739,7 @@ books_series_link      feeds
                 if not ext:
                     continue
                 ext = ext[1:].lower()
-                if ext not in BOOK_EXTENSIONS and ext != 'opf':
+                if ext not in BOOK_EXTENSIONS:
                     continue
 
                 key = os.path.splitext(path)[0]