@@ -0,0 +1,25 @@
1+from urllib import quote
2+from lxml import html
3+from urlparse import urljoin
4+
5+base_url = 'http://stackoverflow.com/'
6+search_url = base_url+'search?q='
7+
8+def request(query, params):
9+ global search_url
10+ query = quote(query.replace(' ', '+'), safe='+')
11+ params['url'] = search_url + query
12+ return params
13+
14+
15+def response(resp):
16+ global base_url
17+ results = []
18+ dom = html.fromstring(resp.text)
19+ for result in dom.xpath('//div[@class="question-summary search-result"]'):
20+ link = result.xpath('.//div[@class="result-link"]//a')[0]
21+ url = urljoin(base_url, link.attrib.get('href'))
22+ title = ' '.join(link.xpath('.//text()'))
23+ content = ' '.join(result.xpath('.//div[@class="excerpt"]//text()'))
24+ results.append({'url': url, 'title': title, 'content': content})
25+ return results