From e74dbd17f1ebe5eec9469964c89719862d19dc77 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 7 Jan 2012 14:04:30 +0530
Subject: [PATCH] ...

---
 src/calibre/ebooks/oeb/display/test-cfi/run.py         | 4 ++--
 src/calibre/utils/{coffeescript.py => serve_coffee.py} | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)
 rename src/calibre/utils/{coffeescript.py => serve_coffee.py} (99%)

diff --git a/src/calibre/ebooks/oeb/display/test-cfi/run.py b/src/calibre/ebooks/oeb/display/test-cfi/run.py
index f6be76f478..17af70bf22 100644
--- a/src/calibre/ebooks/oeb/display/test-cfi/run.py
+++ b/src/calibre/ebooks/oeb/display/test-cfi/run.py
@@ -10,11 +10,11 @@ __docformat__ = 'restructuredtext en'
 import os
 
 try:
-    from calibre.utils.coffeescript import serve
+    from calibre.utils.serve_coffee import serve
 except ImportError:
     import init_calibre
     if False: init_calibre, serve
-    from calibre.utils.coffeescript import serve
+    from calibre.utils.serve_coffee import serve
 
 def run_devel_server():
     os.chdir(os.path.dirname(os.path.abspath(__file__)))
diff --git a/src/calibre/utils/coffeescript.py b/src/calibre/utils/serve_coffee.py
similarity index 99%
rename from src/calibre/utils/coffeescript.py
rename to src/calibre/utils/serve_coffee.py
index 98d685de28..fb95250c31 100644
--- a/src/calibre/utils/coffeescript.py
+++ b/src/calibre/utils/serve_coffee.py
@@ -12,6 +12,11 @@ Utilities to help with developing coffeescript based apps.
 A coffeescript compiler and a simple web server that automatically serves
 coffeescript files as javascript.
 '''
+import sys
+if sys.version_info.major > 2:
+    print('This script is not Python 3 compatible. Run it with Python 2',
+            file=sys.stderr)
+    raise SystemExit(1)
 
 import time, SimpleHTTPServer, SocketServer, os, sys, re
 from io import BytesIO