From e214e3c86ca937754a2fe62e792cc7b9acf62b63 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 16 Jun 2016 09:39:31 +0530
Subject: [PATCH] Allow passing bytestrings as replacements to the localunzip
 module as well

---
 src/calibre/utils/localunzip.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calibre/utils/localunzip.py b/src/calibre/utils/localunzip.py
index 2b7165385b..5777f25822 100644
--- a/src/calibre/utils/localunzip.py
+++ b/src/calibre/utils/localunzip.py
@@ -283,7 +283,10 @@ class LocalZipFile(object):
                 if header.filename in names:
                     zi = ZipInfo(header.filename)
                     zi.compress_type = header.compression_method
-                    ztemp.writestr(zi, replacements[header.filename].read())
+                    r = replacements[header.filename]
+                    if not isinstance(r, bytes):
+                        r = r.read()
+                    ztemp.writestr(zi, r)
                     found.add(header.filename)
                 else:
                     ztemp.writestr(header.filename, self.read(header.filename,