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'''
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searx is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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searx is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with searx. If not, see < http://www.gnu.org/licenses/ >.
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(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
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'''
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from lxml import etree
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from requests import get
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from json import loads
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from urllib import urlencode
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def dbpedia(query):
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# dbpedia autocompleter
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autocomplete_url = 'http://lookup.dbpedia.org/api/search.asmx/KeywordSearch?' # noqa
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response = get(autocomplete_url
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+ urlencode(dict(QueryString=query)))
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results = []
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if response.ok:
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dom = etree.fromstring(response.content)
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results = dom.xpath('//a:Result/a:Label//text()',
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namespaces={'a': 'http://lookup.dbpedia.org/'})
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return results
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def duckduckgo(query):
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# duckduckgo autocompleter
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url = 'https://ac.duckduckgo.com/ac/?{0}&type=list'
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resp = loads(get(url.format(urlencode(dict(q=query)))).text)
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if len(resp) > 1:
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return resp[1]
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return []
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def google(query):
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# google autocompleter
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autocomplete_url = 'http://suggestqueries.google.com/complete/search?client=toolbar&' # noqa
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response = get(autocomplete_url
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+ urlencode(dict(q=query)))
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results = []
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if response.ok:
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dom = etree.fromstring(response.text)
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results = dom.xpath('//suggestion/@data')
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return results
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def wikipedia(query):
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# wikipedia autocompleter
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url = 'https://en.wikipedia.org/w/api.php?action=opensearch&{0}&limit=10&namespace=0&format=json' # noqa
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resp = loads(get(url.format(urlencode(dict(search=query)))).text)
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if len(resp) > 1:
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return resp[1]
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return []
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backends = {'dbpedia': dbpedia,
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'duckduckgo': duckduckgo,
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'google': google,
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'wikipedia': wikipedia
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}
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