[enh] youtube engine added

searx/engines/youtube.py

@@ -0,0 +1,35 @@
+from json import loads
+from urllib import quote
+
+categories = ['videos']
+
+search_url = 'https://gdata.youtube.com/feeds/api/videos?alt=json&q='
+
+def request(query, params):
+    global search_url
+    query = quote(query.replace(' ', '+'), safe='+')
+    params['url'] = search_url + query
+
+    return params
+
+
+def response(resp):
+    results = []
+    search_results = loads(resp.text)
+    if not 'feed' in search_results:
+        return results
+    feed = search_results['feed']
+    for result in feed['entry']:
+        url = [x['href'] for x in result['link'] if x['type'] == 'text/html']
+        if not len(url):
+            return
+        # remove tracking
+        url = url[0].replace('feature=youtube_gdata', '')
+        if url.endswith('&'):
+            url = url[:-1]
+        title = result['title']['$t']
+        content = result['content']['$t']
+        results.append({'url': url, 'title': title, 'content': content})
+
+    return results
+