searxng/searx/engines/duckduckgo.py

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from urllib import urlencode
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from lxml.html import fromstring
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from searx.utils import html_to_text
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url = 'https://duckduckgo.com/html?{query}&s={offset}'
locale = 'us-en'
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def request(query, params):
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offset = (params['pageno'] - 1) * 30
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q = urlencode({'q': query,
'l': locale})
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params['url'] = url.format(query=q, offset=offset)
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return params
def response(resp):
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result_xpath = '//div[@class="results_links results_links_deep web-result"]'
url_xpath = './/a[@class="large"]/@href'
title_xpath = './/a[@class="large"]//text()'
content_xpath = './/div[@class="snippet"]//text()'
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results = []
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doc = fromstring(resp.text)
for r in doc.xpath(result_xpath):
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try:
res_url = r.xpath(url_xpath)[-1]
except:
continue
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if not res_url:
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continue
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title = html_to_text(''.join(r.xpath(title_xpath)))
content = html_to_text(''.join(r.xpath(content_xpath)))
results.append({'title': title,
'content': content,
'url': res_url})
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return results
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#from json import loads
#search_url = url + 'd.js?{query}&p=1&s={offset}'
#
#paging = True
#
#
#def request(query, params):
# offset = (params['pageno'] - 1) * 30
# q = urlencode({'q': query,
# 'l': locale})
# params['url'] = search_url.format(query=q, offset=offset)
# return params
#
#
#def response(resp):
# results = []
# search_res = loads(resp.text[resp.text.find('[{'):-2])[:-1]
# for r in search_res:
# if not r.get('t'):
# continue
# results.append({'title': r['t'],
# 'content': html_to_text(r['a']),
# 'url': r['u']})
# return results