From a605377c40e5f9d5ce80a222df65b605dfcd3907 Mon Sep 17 00:00:00 2001
From: Adam Tauber <asciimoo@gmail.com>
Date: Tue, 27 Dec 2016 17:25:19 +0100
Subject: [PATCH] [enh] explicit engine init

---
 searx/engines/__init__.py | 14 ++++++--------
 searx/webapp.py           |  3 ++-
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/searx/engines/__init__.py b/searx/engines/__init__.py
index 87b1b0eb..d3a57c32 100644
--- a/searx/engines/__init__.py
+++ b/searx/engines/__init__.py
@@ -32,7 +32,6 @@ engine_dir = dirname(realpath(__file__))
 engines = {}
 
 categories = {'general': []}
-_initialized = False
 
 engine_shortcuts = {}
 engine_default_args = {'paging': False,
@@ -202,11 +201,10 @@ def get_engines_stats():
     ]
 
 
-if 'engines' not in settings or not settings['engines']:
-    logger.error('No engines found. Edit your settings.yml')
-    exit(2)
-
-for engine_data in settings['engines']:
-    engine = load_engine(engine_data)
-    if engine is not None:
+def initialize_engines(engine_list):
+    global categories, engines
+    engines = {}
+    categories = {'general': []}
+    for engine_data in engine_list:
+        engine = load_engine(engine_data)
         engines[engine.name] = engine
diff --git a/searx/webapp.py b/searx/webapp.py
index 8f02a034..8a720fdc 100644
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -53,7 +53,7 @@ from flask_babel import Babel, gettext, format_date, format_decimal
 from flask.json import jsonify
 from searx import settings, searx_dir, searx_debug
 from searx.engines import (
-    categories, engines, get_engines_stats, engine_shortcuts
+    categories, engines, engine_shortcuts, get_engines_stats, initialize_engines
 )
 from searx.utils import (
     UnicodeWriter, highlight_content, html_to_text, get_themes,
@@ -765,6 +765,7 @@ def page_not_found(e):
 
 
 def run():
+    initialize_engines(settings['engines'])
     app.run(
         debug=searx_debug,
         use_debugger=searx_debug,