|  | """
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							|  |  Gigablast (Web)
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							|  | 
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							|  |  @website     https://gigablast.com
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							|  |  @provide-api yes (https://gigablast.com/api.html)
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							|  | 
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							|  |  @using-api   yes
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							|  |  @results     XML
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							|  |  @stable      yes
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							|  |  @parse       url, title, content
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							|  | """
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							|  | 
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							|  | import random
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							|  | from json import loads
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							|  | from time import time
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							|  | from lxml.html import fromstring
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							|  | from searx.url_utils import urlencode
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							|  | 
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							|  | # engine dependent config
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							|  | categories = ['general']
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							|  | paging = True
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							|  | number_of_results = 10
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							|  | language_support = True
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							|  | safesearch = True
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							|  | 
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							|  | # search-url
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							|  | base_url = 'https://gigablast.com/'
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							|  | search_string = 'search?{query}'\
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							|  |     '&n={number_of_results}'\
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							|  |     '&c=main'\
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							|  |     '&s={offset}'\
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							|  |     '&format=json'\
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							|  |     '&qh=0'\
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							|  |     '&qlang={lang}'\
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							|  |     '&ff={safesearch}'\
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							|  |     '&rxieu={rxieu}'\
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							|  |     '&rand={rxikd}'  # current unix timestamp
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							|  | 
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							|  | # specific xpath variables
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							|  | results_xpath = '//response//result'
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							|  | url_xpath = './/url'
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							|  | title_xpath = './/title'
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							|  | content_xpath = './/sum'
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							|  | 
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							|  | supported_languages_url = 'https://gigablast.com/search?&rxikd=1'
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							|  | 
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							|  | 
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							|  | # do search-request
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							|  | def request(query, params):
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							|  |     offset = (params['pageno'] - 1) * number_of_results
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							|  | 
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							|  |     if params['language'] == 'all':
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							|  |         language = 'xx'
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							|  |     else:
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							|  |         language = params['language'].replace('-', '_').lower()
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							|  |         if language.split('-')[0] != 'zh':
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							|  |             language = language.split('-')[0]
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							|  | 
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							|  |     if params['safesearch'] >= 1:
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							|  |         safesearch = 1
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							|  |     else:
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							|  |         safesearch = 0
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							|  | 
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							|  |     # rxieu is some kind of hash from the search query, but accepts random atm
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							|  |     search_path = search_string.format(query=urlencode({'q': query}),
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							|  |                                        offset=offset,
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							|  |                                        number_of_results=number_of_results,
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							|  |                                        rxikd=int(time() * 1000),
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							|  |                                        rxieu=random.randint(1000000000, 9999999999),
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							|  |                                        lang=language,
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							|  |                                        safesearch=safesearch)
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							|  | 
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							|  |     params['url'] = base_url + search_path
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							|  | 
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							|  |     return params
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							|  | 
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							|  | 
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							|  | # get response from search-request
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							|  | def response(resp):
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							|  |     results = []
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							|  | 
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							|  |     # parse results
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							|  |     response_json = loads(resp.text)
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							|  | 
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							|  |     for result in response_json['results']:
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							|  |         # append result
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							|  |         results.append({'url': result['url'],
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							|  |                         'title': result['title'],
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							|  |                         'content': result['sum']})
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							|  | 
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							|  |     # return results
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							|  |     return results
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							|  | 
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							|  | 
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							|  | # get supported languages from their site
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							|  | def _fetch_supported_languages(resp):
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							|  |     supported_languages = []
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							|  |     dom = fromstring(resp.text)
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							|  |     links = dom.xpath('//span[@id="menu2"]/a')
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							|  |     for link in links:
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							|  |         href = link.xpath('./@href')[0].split('lang%3A')
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							|  |         if len(href) == 2:
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							|  |             code = href[1].split('_')
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							|  |             if len(code) == 2:
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							|  |                 code = code[0] + '-' + code[1].upper()
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							|  |             else:
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							|  |                 code = code[0]
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							|  |             supported_languages.append(code)
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							|  | 
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							|  |     return supported_languages
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