allow engines to override pretty_url and use this in bing to show meaningful urls

searx/engines/bing.py

@@ -68,11 +68,13 @@ def response(resp):
     for result in eval_xpath(dom, '//div[@class="sa_cc"]'):
         link = eval_xpath(result, './/h3/a')[0]
         url = link.attrib.get('href')
+        pretty_url = extract_text(eval_xpath(result, './/cite'))
         title = extract_text(link)
         content = extract_text(eval_xpath(result, './/p'))
 
         # append result
         results.append({'url': url,
+                        'pretty_url': pretty_url,
                         'title': title,
                         'content': content})
 

searx/webapp.py

@@ -647,7 +647,7 @@ def search():
             # removing html content and whitespace duplications
             result['title'] = ' '.join(html_to_text(result['title']).strip().split())
 
-        if 'url' in result:
+        if 'url' in result and !('pretty_url' in result):
             result['pretty_url'] = prettify_url(result['url'])
 
         # TODO, check if timezone is calculated right