Ponysearch/searx/engines/stackoverflow.py

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from urllib import quote
from lxml import html
from urlparse import urljoin
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from cgi import escape
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categories = ['it']
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base_url = 'http://stackoverflow.com/'
search_url = base_url+'search?q='
def request(query, params):
global search_url
query = quote(query.replace(' ', '+'), safe='+')
params['url'] = search_url + query
return params
def response(resp):
global base_url
results = []
dom = html.fromstring(resp.text)
for result in dom.xpath('//div[@class="question-summary search-result"]'):
link = result.xpath('.//div[@class="result-link"]//a')[0]
url = urljoin(base_url, link.attrib.get('href'))
title = ' '.join(link.xpath('.//text()'))
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content = escape(' '.join(result.xpath('.//div[@class="excerpt"]//text()')))
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results.append({'url': url, 'title': title, 'content': content})
return results