[enh] add length and author details to youtube videos

closes #775

searx/engines/youtube_noapi.py

@@ -70,11 +70,15 @@ def response(resp):
                 title = get_text_from_json(video.get('title', {}))
                 content = get_text_from_json(video.get('descriptionSnippet', {}))
                 embedded = embedded_url.format(videoid=videoid)
+                author = get_text_from_json(video.get('ownerText', {}))
+                length = get_text_from_json(video.get('lengthText', {}))
 
                 # append result
                 results.append({'url': url,
                                 'title': title,
                                 'content': content,
+                                'author': author,
+                                'length': length,
                                 'template': 'videos.html',
                                 'embedded': embedded,
                                 'thumbnail': thumbnail})

searx/templates/oscar/result_templates/videos.html

@@ -16,6 +16,8 @@
 <div class="container-fluid">
     <div class="row">
         <a href="{{ result.url }}" {% if results_on_new_tab %}target="_blank" rel="noopener noreferrer"{% else %}rel="noreferrer"{% endif %}><img class="thumbnail col-xs-6 col-sm-4 col-md-4 result-content" src="{{ image_proxify(result.thumbnail) }}" alt="{{ result.title|striptags }} {{ result.engine }}" /></a>
+        {% if result.author %}<p class="col-xs-12 col-sm-8 col-md-8 result-content"><b>{{ _('Author') }}</b>: {{ result.author }}</p>{% endif %}
+        {% if result.length %}<p class="col-xs-12 col-sm-8 col-md-8 result-content"><b>{{ _('Length') }}</b>: {{ result.length }}</p>{% endif %}
         {% if result.content %}<p class="col-xs-12 col-sm-8 col-md-8 result-content">{{ result.content|safe }}</p>{% endif %}
     </div>
 </div>