From 2e41bfcbdbb762be610ff379380ea2201f544edd Mon Sep 17 00:00:00 2001
From: Adam Tauber <asciimoo@gmail.com>
Date: Sat, 20 Dec 2014 12:17:03 +0100
Subject: [PATCH] [enh] engine shortcut validation

---
 searx/engines/__init__.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/searx/engines/__init__.py b/searx/engines/__init__.py
index 3c9ce3b57..d42339af8 100644
--- a/searx/engines/__init__.py
+++ b/searx/engines/__init__.py
@@ -81,7 +81,8 @@ def load_engine(engine_data):
         if engine_attr.startswith('_'):
             continue
         if getattr(engine, engine_attr) is None:
-            print '[E] Engine config error: Missing attribute "{0}.{1}"'.format(engine.name, engine_attr)  # noqa
+            print('[E] Engine config error: Missing attribute "{0}.{1}"'\
+                  .format(engine.name, engine_attr))
             sys.exit(1)
 
     engine.stats = {
@@ -100,6 +101,10 @@ def load_engine(engine_data):
 
     if engine.shortcut:
         # TODO check duplications
+        if engine.shortcut in engine_shortcuts:
+            print('[E] Engine config error: ambigious shortcut: {0}'\
+                  .format(engine.shortcut))
+            sys.exit(1)
         engine_shortcuts[engine.shortcut] = engine.name
     return engine