searxng/searx/engines/yahoo.py

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#!/usr/bin/env python
from urllib import urlencode
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from urlparse import unquote
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from lxml import html
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from searx.engines.xpath import extract_text, extract_url
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categories = ['general']
search_url = 'http://search.yahoo.com/search?{query}&b={offset}'
results_xpath = '//div[@class="res"]'
url_xpath = './/h3/a/@href'
title_xpath = './/h3/a'
content_xpath = './/div[@class="abstr"]'
suggestion_xpath = '//div[@id="satat"]//a'
paging = True
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def parse_url(url_string):
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endings = ['/RS', '/RK']
endpositions = []
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start = url_string.find('http', url_string.find('/RU=')+1)
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for ending in endings:
endpos = url_string.rfind(ending)
if endpos > -1:
endpositions.append(endpos)
end = min(endpositions)
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return unquote(url_string[start:end])
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def request(query, params):
offset = (params['pageno'] - 1) * 10 + 1
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if params['language'] == 'all':
language = 'en'
else:
language = params['language'].split('_')[0]
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params['url'] = search_url.format(offset=offset,
query=urlencode({'p': query}))
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params['cookies']['sB'] = 'fl=1&vl=lang_{lang}&sh=1&rw=new&v=1'\
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.format(lang=language)
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return params
def response(resp):
results = []
dom = html.fromstring(resp.text)
for result in dom.xpath(results_xpath):
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url = parse_url(extract_url(result.xpath(url_xpath), search_url))
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title = extract_text(result.xpath(title_xpath)[0])
content = extract_text(result.xpath(content_xpath)[0])
results.append({'url': url, 'title': title, 'content': content})
if not suggestion_xpath:
return results
for suggestion in dom.xpath(suggestion_xpath):
results.append({'suggestion': extract_text(suggestion)})
return results