From 11153b1c778f131e2220572f18f313ec55b15521 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 19 Jul 2014 00:29:57 +0530
Subject: [PATCH] Add imghdr test for webp

---
 src/calibre/utils/imghdr.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/calibre/utils/imghdr.py b/src/calibre/utils/imghdr.py
index fc8d0942d7..cceaf7879f 100644
--- a/src/calibre/utils/imghdr.py
+++ b/src/calibre/utils/imghdr.py
@@ -68,6 +68,12 @@ def test_tiff(h, f):
 
 tests.append(test_tiff)
 
+def test_webp(h, f):
+    if h[:4] == b'RIFF' and h[8:12] == b'WEBP':
+        return 'webp'
+
+tests.append(test_webp)
+
 def test_rgb(h, f):
     """SGI image library"""
     if h[:2] == '\001\332':