1
0
mirror of https://github.com/searxng/searxng.git synced 2024-11-05 12:50:11 +01:00
searxng/searx/engines/yahoo.py
2014-03-21 16:36:13 +01:00

65 lines
1.8 KiB
Python

#!/usr/bin/env python
from urllib import urlencode
from urlparse import unquote
from lxml import html
from searx.engines.xpath import extract_text, extract_url
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
def parse_url(url_string):
endings = ['/RS', '/RK']
endpositions = []
start = url_string.find('http', url_string.find('/RU=')+1)
for ending in endings:
endpos = url_string.rfind(ending)
if endpos > -1:
endpositions.append(endpos)
end = min(endpositions)
return unquote(url_string[start:end])
def request(query, params):
offset = (params['pageno'] - 1) * 10 + 1
if params['language'] == 'all':
language = 'en'
else:
language = params['language'].split('_')[0]
params['url'] = search_url.format(offset=offset,
query=urlencode({'p': query}))
params['cookies']['sB'] = 'fl=1&vl=lang_{lang}&sh=1&rw=new&v=1'\
.format(lang=language)
return params
def response(resp):
results = []
dom = html.fromstring(resp.text)
for result in dom.xpath(results_xpath):
try:
url = parse_url(extract_url(result.xpath(url_xpath), search_url))
title = extract_text(result.xpath(title_xpath)[0])
except:
continue
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