[enh] add searx engine

searx/engines/searx_engine.py

@@ -0,0 +1,57 @@
+"""
+ Searx (all)
+
+ @website     https://github.com/asciimoo/searx
+ @provide-api yes (https://asciimoo.ithub.io/searx/dev/search_api.html)
+
+ @using-api   yes
+ @results     JSON
+ @stable      yes (using api)
+ @parse       url, title, content
+"""
+
+from json import loads
+from searx.engines import categories as searx_categories
+
+
+categories = searx_categories.keys()
+
+# search-url
+instance_urls = []
+instance_index = 0
+
+
+# do search-request
+def request(query, params):
+    global instance_index
+    params['url'] = instance_urls[instance_index % len(instance_urls)]
+    params['method'] = 'POST'
+
+    instance_index += 1
+
+    params['data'] = {
+        'q': query,
+        'pageno': params['pageno'],
+        'language': params['language'],
+        'time_range': params['time_range'],
+        'category': params['category'],
+        'format': 'json'
+    }
+
+    return params
+
+
+# get response from search-request
+def response(resp):
+
+    response_json = loads(resp.text)
+    results = response_json['results']
+
+    for i in ('answers', 'infoboxes'):
+        results.extend(response_json[i])
+
+    results.extend({'suggestion': s} for s in response_json['suggestions'])
+
+    results.append({'number_of_results': response_json['number_of_results']})
+
+    return results

searx/settings.yml

@@ -441,6 +441,14 @@ engines:
     shortcut : scc
     disabled : True
 
+#  - name : searx
+#    engine : searx_engine
+#    shortcut : se
+#    instance_urls :
+#        - http://127.0.0.1:8888/
+#        - ...
+#    disabled : True
+
   - name : spotify
     engine : spotify
     shortcut : stf