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30 lines
940 B
Python
30 lines
940 B
Python
from urlparse import urljoin
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from cgi import escape
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from urllib import urlencode
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from lxml import html
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categories = ['it']
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url = 'http://stackoverflow.com/'
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search_url = url+'search?{query}&page={pageno}'
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result_xpath = './/div[@class="excerpt"]//text()'
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paging = True
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def request(query, params):
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params['url'] = search_url.format(query=urlencode({'q': query}),
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pageno=params['pageno'])
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return params
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def response(resp):
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results = []
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dom = html.fromstring(resp.text)
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for result in dom.xpath('//div[@class="question-summary search-result"]'):
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link = result.xpath('.//div[@class="result-link"]//a')[0]
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href = urljoin(url, link.attrib.get('href'))
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title = escape(' '.join(link.xpath('.//text()')))
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content = escape(' '.join(result.xpath(result_xpath)))
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results.append({'url': href, 'title': title, 'content': content})
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return results
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