From 69d2cb8b3b46a72bf592cd897c4993bcf3918a24 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 22 May 2016 22:21:28 +0530
Subject: [PATCH] Fix use of non-ascii characters in identifiers causing an
 error when identifier rules are used. Fixes #1584470 [URLs with file schema
 do not work](https://bugs.launchpad.net/calibre/+bug/1584470)

---
 src/calibre/ebooks/metadata/sources/identify.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/ebooks/metadata/sources/identify.py b/src/calibre/ebooks/metadata/sources/identify.py
index 319e78caf4..c537b47209 100644
--- a/src/calibre/ebooks/metadata/sources/identify.py
+++ b/src/calibre/ebooks/metadata/sources/identify.py
@@ -530,7 +530,7 @@ def urls_from_identifiers(identifiers):  # {{{
     if rules:
         formatter = EvalFormatter()
         for k, val in identifiers.iteritems():
-            vals = {'id':quote(val)}
+            vals = {'id':quote(val if isinstance(val, bytes) else val.encode('utf-8')).decode('ascii')}
             items = rules.get(k) or ()
             for name, template in items:
                 try: