From 4736f0df8af97fad8d311880a74e68b3d2f071a9 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 16 Oct 2011 19:23:48 +0530
Subject: [PATCH] Fix #873288 (Python crashes on converting (X)html containing 
 links with "generic" signs)

---
 src/calibre/ebooks/conversion/plumber.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/ebooks/conversion/plumber.py b/src/calibre/ebooks/conversion/plumber.py
index 3a18b40539..defb2b837d 100644
--- a/src/calibre/ebooks/conversion/plumber.py
+++ b/src/calibre/ebooks/conversion/plumber.py
@@ -693,6 +693,8 @@ OptionRecommendation(name='sr3_replace',
     def unarchive(self, path, tdir):
         extract(path, tdir)
         files = list(walk(tdir))
+        files = [f if isinstance(f, unicode) else f.decode(filesystem_encoding)
+                for f in files]
         from calibre.customize.ui import available_input_formats
         fmts = available_input_formats()
         for x in ('htm', 'html', 'xhtm', 'xhtml'): fmts.remove(x)