From b19169d1927093c002e82dbd2b2d1db6512e7c95 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 28 Feb 2012 11:21:46 +0530
Subject: [PATCH] EPUB Input: Remove non XML documents from the spine
 automatically, instead of erroring out

---
 src/calibre/ebooks/oeb/reader.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/calibre/ebooks/oeb/reader.py b/src/calibre/ebooks/oeb/reader.py
index a458df5a83..7cea0ac75c 100644
--- a/src/calibre/ebooks/oeb/reader.py
+++ b/src/calibre/ebooks/oeb/reader.py
@@ -321,6 +321,12 @@ class OEBReader(object):
         if len(spine) == 0:
             raise OEBError("Spine is empty")
         self._spine_add_extra()
+        for item in spine:
+            if item.media_type.lower() not in OEB_DOCS:
+                if not hasattr(item.data, 'xpath'):
+                    self.oeb.log.warn('The item %s is not an XML document.'
+                            ' Removing it from spine.'%item.href)
+                    spine.remove(item)
 
     def _guide_from_opf(self, opf):
         guide = self.oeb.guide