From 7e0a9ea6c00a244a9b02e0ffce379e339e784462 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 30 Jul 2017 20:36:26 +0530
Subject: [PATCH] Server: Fix books that contain broken links with unicode
 characters in their paths not working with the browser viewer. Fixes #1704498
 [Private bug](https://bugs.launchpad.net/calibre/+bug/1704498)

---
 src/calibre/srv/render_book.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/srv/render_book.py b/src/calibre/srv/render_book.py
index e6f31c9843..aa8b90bc59 100644
--- a/src/calibre/srv/render_book.py
+++ b/src/calibre/srv/render_book.py
@@ -322,6 +322,8 @@ class Container(ContainerBase):
                     frag = urlunquote(frag)
                     url = resource_template.format(encode_url(name, frag))
                 else:
+                    if isinstance(name, unicode):
+                        name = name.encode('utf-8')
                     url = 'missing:' + quote(name)
                 changed.add(base)
             return url