[mod] settings.yml can be /etc/searx/settings.yml

The exact order is
* first from SEARX_SETTINGS_PATH,
* if not found then from searx code base,
* if not found then from /etc/searx/settings.yml
* if not found an exception stops searx loading

1 files changed, 18 insertions, 7 deletions

diff --git a/searx/__init__.py b/searx/__init__.py
index b3abc61ae..a57588cd3 100644
--- a/searx/__init__.py
+++ b/searx/__init__.py
@@ -18,7 +18,7 @@ along with searx. If not, see < http://www.gnu.org/licenses/ >.
 import certifi
 import logging
 from os import environ
-from os.path import realpath, dirname, join, abspath
+from os.path import realpath, dirname, join, abspath, isfile
 from ssl import OPENSSL_VERSION_INFO, OPENSSL_VERSION
 try:
     from yaml import load
@@ -30,13 +30,24 @@ except:
 searx_dir = abspath(dirname(__file__))
 engine_dir = dirname(realpath(__file__))
 
-# if possible set path to settings using the
-# enviroment variable SEARX_SETTINGS_PATH
+
+def check_settings_yml(file_name):
+    if isfile(file_name):
+        return file_name
+    else:
+        return None
+
+# find location of settings.yml
 if 'SEARX_SETTINGS_PATH' in environ:
-    settings_path = environ['SEARX_SETTINGS_PATH']
-# otherwise using default path
+    # if possible set path to settings using the
+    # enviroment variable SEARX_SETTINGS_PATH
+    settings_path = check_settings_yml(environ['SEARX_SETTINGS_PATH'])
 else:
-    settings_path = join(searx_dir, 'settings.yml')
+    # if not, get it from searx code base or last solution from /etc/searx
+    settings_path = check_settings_yml(join(searx_dir, 'settings.yml')) or check_settings_yml('/etc/searx/settings.yml')
+
+if not settings_path:
+    raise Exception('settings.yml not found')
 
 # load settings
 with open(settings_path) as settings_yaml:
@@ -67,7 +78,7 @@ else:
     logging.basicConfig(level=logging.WARNING)
 
 logger = logging.getLogger('searx')
-
+logger.debug('read configuration from %s', settings_path)
 # Workaround for openssl versions <1.0.2
 # https://github.com/certifi/python-certifi/issues/26
 if OPENSSL_VERSION_INFO[0:3] < (1, 0, 2):