From d3b61d909402f50e493d34ec24387fbd56119049 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 28 Oct 2009 10:25:53 -0600
Subject: [PATCH] Fix #3828 (Error 13, 'Permission denied'))

---
 src/calibre/ebooks/html/input.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/calibre/ebooks/html/input.py b/src/calibre/ebooks/html/input.py
index cf9b087295..36e21a0dc8 100644
--- a/src/calibre/ebooks/html/input.py
+++ b/src/calibre/ebooks/html/input.py
@@ -409,6 +409,9 @@ class HTMLInput(InputFormatPlugin):
         link = os.path.abspath(link)
         if not os.access(link, os.R_OK):
             return link_
+        if os.path.isdir(link):
+            self.log.warn(link_, 'is a link to a directory. Ignoring.')
+            return link_
         if not islinux:
             link = link.lower()
         if link not in self.added_resources: