add dailymotion engine

engines.cfg_sample

@@ -79,3 +79,8 @@ suggestion_xpath = //div[@id="satat"]//a
 [youtube]
 engine = youtube
 categories = videos
+
+[dailymotion]
+engine = dailymotion
+categories = videos
+

searx/engines/dailymotion.py

@@ -0,0 +1,32 @@
+from urllib import urlencode
+from json import loads
+from cgi import escape
+
+categories = ['videos']
+localization = 'en'
+
+# see http://www.dailymotion.com/doc/api/obj-video.html
+search_url = 'https://api.dailymotion.com/videos?fields=title,description,duration,url,thumbnail_360_url&sort=relevance&limit=25&page=1&{query}'
+
+def request(query, params):
+    global search_url
+    params['url'] = search_url.format(query=urlencode({'search': query, 'localization': localization }))
+    return params
+
+
+def response(resp):
+    results = []
+    search_res = loads(resp.text)
+    if not 'list' in search_res:
+        return results
+    for res in search_res['list']:
+        title = res['title']
+        url = res['url']
+        if res['thumbnail_360_url']:
+            content = '<a href="{0}" title="{0}" ><img src="{1}" /></a><br />'.format(url, res['thumbnail_360_url'])
+        else:
+            content = ''
+        if res['description']:
+            content += escape(res['description'][:500])
+        results.append({'url': url, 'title': title, 'content': content})
+    return results