[enh] github engine added

searx/engines/github.py

@@ -0,0 +1,25 @@
+from urllib import urlencode
+from json import loads
+
+categories = ['it']
+
+search_url = 'https://api.github.com/search/repositories?sort=stars&order=desc&'
+
+def request(query, params):
+    global search_url
+    params['url'] = search_url + urlencode({'q': query})
+    params['headers']['Accept'] = 'application/vnd.github.preview.text-match+json'
+    return params
+
+
+def response(resp):
+    results = []
+    search_res = loads(resp.text)
+    if not 'items' in search_res:
+        return results
+    for res in search_res['items']:
+        title = res['name']
+        url = res['html_url']
+        content = res['description']
+        results.append({'url': url, 'title': title, 'content': content})
+    return results