From e7fa8fd89485d5cf1fdce7f4575ad7450bc9514b Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 10 Mar 2012 09:26:29 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/viewer/javascript.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/calibre/gui2/viewer/javascript.py b/src/calibre/gui2/viewer/javascript.py
index e092d55f14..f5a29e26cc 100644
--- a/src/calibre/gui2/viewer/javascript.py
+++ b/src/calibre/gui2/viewer/javascript.py
@@ -36,6 +36,15 @@ class JavaScriptLoader(object):
 
     def __init__(self, dynamic_coffeescript=False):
         self._dynamic_coffeescript = dynamic_coffeescript
+        if self._dynamic_coffeescript:
+            try:
+                from calibre.utils.serve_coffee import compile_coffeescript
+                compile_coffeescript
+            except:
+                self._dynamic_coffeescript = False
+                print ('WARNING: Failed to load serve_coffee, not compiling '
+                        'coffeescript dynamically.')
+
         self._cache = {}
         self._hp_cache = {}