Merge pull request #1 from stef/master

[enh] added flickr engine

searx/engines/flickr.py

+#!/usr/bin/env python
+
+from urllib import quote
+from lxml import html
+from urlparse import urljoin
+
+categories = ['img']
+
+base_url = 'https://secure.flickr.com/'
+search_url = base_url+'search/?q='
+
+def request(query, params):
+    global search_url
+    print 'qqwerqwerqwerqwer'
+    query = quote(query.replace(' ', '+'), safe='+')
+    params['url'] = search_url + query
+    return params
+
+def response(resp):
+    global base_url
+    print 'asdfasdfasdf'
+    results = []
+    dom = html.fromstring(resp.text)
+    for result in dom.xpath('//#thumbnails//a'):
+        url = urljoin(base_url, result.attrib.get('href'))
+        title = result.xpath('./img')[0].attrib.get('alt')
+        content = "<img src='%s'></img>" % result.xpath('./img')[0].attrib.get('src')
+        results.append({'url': url, 'title': title, 'content': content})
+    return results