Integrated media in results + Deezer Engine

New "embedded" item for the results, allow to give an iframe to display the media directly in the results.
Note that the attributes src of the iframes are not set, but instead data-src is set, allowing to only load the iframe when clicked.

Deezer engine based on public API (no key).

searx/engines/vimeo.py

@@ -7,7 +7,7 @@
 # @using-api   no (TODO, rewrite to api)
 # @results     HTML (using search portal)
 # @stable      no (HTML can change)
-# @parse       url, title, publishedDate,  thumbnail
+# @parse       url, title, publishedDate,  thumbnail, embedded
 #
 # @todo        rewrite to api
 # @todo        set content-parameter with correct data
@@ -33,6 +33,10 @@ title_xpath = './a/div[@class="data"]/p[@class="title"]/text()'
 results_xpath = '//div[@id="browse_content"]/ol/li'
 publishedDate_xpath = './/p[@class="meta"]//attribute::datetime'
 
+embedded_url = '<iframe data-src="//player.vimeo.com/video{videoid}" ' +\
+    'width="540" height="304" frameborder="0" ' +\
+    'webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>'
+
 
 # do search-request
 def request(query, params):
@@ -56,11 +60,13 @@ def response(resp):
 
     # parse results
     for result in dom.xpath(results_xpath):
-        url = base_url + result.xpath(url_xpath)[0]
+        videoid = result.xpath(url_xpath)[0]
+        url = base_url + videoid
         title = p.unescape(extract_text(result.xpath(title_xpath)))
         thumbnail = extract_text(result.xpath(content_xpath)[0])
         publishedDate = parser.parse(extract_text(
             result.xpath(publishedDate_xpath)[0]))
+        embedded = embedded_url.format(videoid=videoid)
 
         # append result
         results.append({'url': url,
@@ -68,6 +74,7 @@ def response(resp):
                         'content': '',
                         'template': 'videos.html',
                         'publishedDate': publishedDate,
+                        'embedded': embedded,
                         'thumbnail': thumbnail})
 
     # return results